def testWidth(self):
        ms = QgsMapSettings()
        extent = QgsRectangle(100, 200, 100, 200)
        ms.setExtent(extent)
        ms.setOutputSize(QSize(400, 400))
        context = QgsRenderContext.fromMapSettings(ms)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ms.setExtent(QgsRectangle(100, 150, 100, 150))
        ms.setOutputDpi(ms.outputDpi() * 2)
        context2 = QgsRenderContext.fromMapSettings(ms)
        context2.setScaleFactor(300 / 25.4)

        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        marker_line = QgsMarkerLineSymbolLayer(True)
        marker_line.setPlacement(QgsMarkerLineSymbolLayer.FirstVertex)
        marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 10)
        marker.setColor(QColor(255, 0, 0))
        marker.setStrokeStyle(Qt.NoPen)
        marker_symbol = QgsMarkerSymbol()
        marker_symbol.changeSymbolLayer(0, marker)
        marker_line.setSubSymbol(marker_symbol)

        self.assertEqual(marker_line.width(), 10)
        self.assertAlmostEqual(marker_line.width(context), 37.795275590551185, 3)
        self.assertAlmostEqual(marker_line.width(context2), 118.11023622047244, 3)

        marker_line.subSymbol().setSizeUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(marker_line.width(context), 10.0, 3)
        self.assertAlmostEqual(marker_line.width(context2), 10.0, 3)
    def testWidth(self):
        ms = QgsMapSettings()
        extent = QgsRectangle(100, 200, 100, 200)
        ms.setExtent(extent)
        ms.setOutputSize(QSize(400, 400))
        context = QgsRenderContext.fromMapSettings(ms)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ms.setExtent(QgsRectangle(100, 150, 100, 150))
        ms.setOutputDpi(ms.outputDpi() * 2)
        context2 = QgsRenderContext.fromMapSettings(ms)
        context2.setScaleFactor(300 / 25.4)

        s = QgsFillSymbol()
        s.deleteSymbolLayer(0)

        hash_line = QgsHashedLineSymbolLayer(True)
        hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex)
        simple_line = QgsSimpleLineSymbolLayer()
        line_symbol = QgsLineSymbol()
        line_symbol.changeSymbolLayer(0, simple_line)
        hash_line.setSubSymbol(line_symbol)
        hash_line.setHashLength(10)

        self.assertEqual(hash_line.width(), 10)
        self.assertAlmostEqual(hash_line.width(context), 37.795275590551185, 3)
        self.assertAlmostEqual(hash_line.width(context2), 118.11023622047244, 3)

        hash_line.setHashLengthUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(hash_line.width(context), 10.0, 3)
        self.assertAlmostEqual(hash_line.width(context2), 10.0, 3)
    def testFromQPainter(self):
        """ test QgsRenderContext.fromQPainter """

        # no painter
        c = QgsRenderContext.fromQPainter(None)
        self.assertFalse(c.painter())
        # assuming 88 dpi as fallback
        self.assertAlmostEqual(c.scaleFactor(), 88 / 25.4, 3)

        # no painter destination
        p = QPainter()
        c = QgsRenderContext.fromQPainter(p)
        self.assertEqual(c.painter(), p)
        self.assertEqual(c.testFlag(QgsRenderContext.Antialiasing), False)
        self.assertAlmostEqual(c.scaleFactor(), 88 / 25.4, 3)

        im = QImage(1000, 600, QImage.Format_RGB32)
        dots_per_m = 300 / 25.4 * 1000  # 300 dpi to dots per m
        im.setDotsPerMeterX(dots_per_m)
        im.setDotsPerMeterY(dots_per_m)
        p = QPainter(im)
        p.setRenderHint(QPainter.Antialiasing)
        c = QgsRenderContext.fromQPainter(p)
        self.assertEqual(c.painter(), p)
        self.assertEqual(c.testFlag(QgsRenderContext.Antialiasing), True)
        self.assertAlmostEqual(c.scaleFactor(), dots_per_m / 1000, 3)  # scaleFactor should be pixels/mm
    def testLegendKeysWhileCounting(self):
        # test determining legend keys for features, while counting features
        fields = QgsFields()
        fields.append(QgsField('x'))

        # setup renderer
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c', symbol_c, 'c', False))
        symbol_d = createMarkerSymbol()
        symbol_d.setColor(QColor(255, 0, 255))
        renderer.addCategory(QgsRendererCategory(['d', 'e'], symbol_d, 'de'))
        # add default category
        default_symbol = createMarkerSymbol()
        default_symbol.setColor(QColor(255, 255, 255))
        renderer.addCategory(QgsRendererCategory('', default_symbol, 'default'))

        context = QgsRenderContext()
        context.setRendererScale(0) # simulate counting
        renderer.startRender(context, fields)

        f = QgsFeature(fields)
        f.setAttributes(['a'])

        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'0'})

        f.setAttributes(['b'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'1'})

        # hidden category, should still return keys
        f.setAttributes(['c'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'2'})

        # list
        f.setAttributes(['d'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'3'})
        f.setAttributes(['e'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertEqual(keys, {'3'})

        # no matching category
        f.setAttributes(['xxx'])
        keys = renderer.legendKeysForFeature(f, context)
        self.assertFalse(keys)

        renderer.stopRender(context)
Beispiel #5
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    def testSize(self):
        # test size and setSize
        ms = QgsMapSettings()
        extent = QgsRectangle(100, 200, 100, 200)
        ms.setExtent(extent)
        ms.setOutputSize(QSize(400, 400))
        context = QgsRenderContext.fromMapSettings(ms)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ms.setExtent(QgsRectangle(100, 150, 100, 150))
        ms.setOutputDpi(ms.outputDpi() * 2)
        context2 = QgsRenderContext.fromMapSettings(ms)
        context2.setScaleFactor(300 / 25.4)

        # create a marker symbol with a single layer
        markerSymbol = QgsMarkerSymbol()
        markerSymbol.deleteSymbolLayer(0)
        markerSymbol.appendSymbolLayer(
            QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
                                       strokeColor=QColor(0, 255, 0), size=10))
        self.assertEqual(markerSymbol.size(), 10)
        self.assertAlmostEqual(markerSymbol.size(context), 37.795275590551185, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 118.11023622047244, 3)
        markerSymbol.setSize(20)
        self.assertEqual(markerSymbol.size(), 20)
        self.assertEqual(markerSymbol.symbolLayer(0).size(), 20)
        self.assertAlmostEqual(markerSymbol.size(context), 75.59055118, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 236.2204724409449, 3)

        # add additional layers
        markerSymbol.appendSymbolLayer(
            QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
                                       strokeColor=QColor(0, 255, 0), size=10))
        markerSymbol.appendSymbolLayer(
            QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.Star, color=QColor(255, 0, 0),
                                       strokeColor=QColor(0, 255, 0), size=30))
        self.assertEqual(markerSymbol.size(), 30)
        self.assertAlmostEqual(markerSymbol.size(context), 113.38582677165356, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 354.33070866141736, 3)

        markerSymbol.setSize(3)
        self.assertEqual(markerSymbol.size(), 3)
        # layer sizes should maintain relative size
        self.assertEqual(markerSymbol.symbolLayer(0).size(), 2)
        self.assertEqual(markerSymbol.symbolLayer(1).size(), 1)
        self.assertEqual(markerSymbol.symbolLayer(2).size(), 3)

        # symbol layer in different size
        markerSymbol.symbolLayer(1).setSize(15)
        self.assertAlmostEqual(markerSymbol.size(context), 56.69291338582678, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 177.16535433070868, 3)
        markerSymbol.symbolLayer(1).setSizeUnit(QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(markerSymbol.size(context), 15, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 35.43307086614173, 3)
        markerSymbol.symbolLayer(1).setSize(45)
        self.assertAlmostEqual(markerSymbol.size(context), 45, 3)
        self.assertAlmostEqual(markerSymbol.size(context2), 45, 3)
    def testGettersSetters(self):
        """
        Basic getter/setter tests
        """
        c = QgsRenderContext()

        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)
        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)

        c.setMapExtent(QgsRectangle(1, 2, 3, 4))
        self.assertEqual(c.mapExtent(), QgsRectangle(1, 2, 3, 4))
    def testFromMapSettings(self):
        """
        test QgsRenderContext.fromMapSettings()
        """
        ms = QgsMapSettings()

        ms.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)

        ms.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)
    def renderGeometry(self, symbol, geom, buffer=20):
        f = QgsFeature()
        f.setGeometry(geom)

        image = QImage(200, 200, QImage.Format_RGB32)

        painter = QPainter()
        ms = QgsMapSettings()
        extent = geom.get().boundingBox()
        # buffer extent by 10%
        if extent.width() > 0:
            extent = extent.buffered((extent.height() + extent.width()) / buffer)
        else:
            extent = extent.buffered(buffer / 2)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        context.expressionContext().setFeature(f)

        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))
            symbol.startRender(context)
            symbol.renderFeature(f, context)
            symbol.stopRender(context)
        finally:
            painter.end()

        return image
Beispiel #9
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    def testWillRenderFeatureNestedElse(self):
        vl = self.mapsettings.layers()[0]
        ft = vl.getFeature(0) # 'id' = 1

        ctx = QgsRenderContext.fromMapSettings(self.mapsettings)
        ctx.expressionContext().setFeature(ft)

        # Create rulebased style
        sym1 = QgsFillSymbol.createSimple({'color': '#fdbf6f', 'outline_color': 'black'})
        sym2 = QgsFillSymbol.createSimple({'color': '#71bd6c', 'outline_color': 'black'})
        sym3 = QgsFillSymbol.createSimple({'color': '#1f78b4', 'outline_color': 'black'})

        self.rx1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, '"id" = 1')
        self.rx2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, '"id" = 2')
        self.rx3 = QgsRuleBasedRenderer.Rule(sym3, 0, 0, 'ELSE')

        self.rx3.appendChild(self.rx1)

        rootrule = QgsRuleBasedRenderer.Rule(None)
        rootrule.appendChild(self.rx2)
        rootrule.appendChild(self.rx3)

        vl.setRenderer(QgsRuleBasedRenderer(rootrule))
        renderer = vl.renderer()

        # Reunder with else rule and all activated
        renderer.startRender(ctx, vl.fields())
        self.assertTrue(renderer.willRenderFeature(ft, ctx))
        renderer.stopRender(ctx)

        # Reunder with else rule where else is deactivated
        renderer.rootRule().children()[1].setActive(False)
        renderer.startRender(ctx, vl.fields())
        self.assertFalse(renderer.willRenderFeature(ft, ctx))
        renderer.stopRender(ctx)
    def testSimpleLineWithOffset(self):
        """ test that rendering a polygon with simple line symbol with offset results in closed line"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setOffset(-1)

        symbol = QgsFillSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0))')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.geometry().boundingBox()
        # buffer extent by 10%
        extent = extent.buffer((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer', 'fill_simpleline_offset', image))
Beispiel #11
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    def testRenderMarkerLayerDisabled(self):
        """ test that rendering a marker symbol with disabled layer works"""
        layer = QgsSimpleMarkerSymbolLayer()
        layer.setEnabled(False)

        symbol = QgsMarkerSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('Point (1 2)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = QgsRectangle(0, 0, 4, 4)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
Beispiel #12
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    def testRenderLineLayerDisabled(self):
        """ test that rendering a line symbol with disabled layer works"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setEnabled(False)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('LineString (0 0,3 4,4 3)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.constGet().boundingBox()
        # buffer extent by 10%
        extent = extent.buffered((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
Beispiel #13
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def build25d(canvas, layer, count):
    shadows = ""
    renderer = layer.renderer()
    renderContext = QgsRenderContext.fromMapSettings(canvas.mapSettings())
    fields = layer.fields()
    renderer.startRender(renderContext, fields)
    for feat in layer.getFeatures():
        if isinstance(renderer, QgsCategorizedSymbolRenderer):
            classAttribute = renderer.classAttribute()
            attrValue = feat.attribute(classAttribute)
            catIndex = renderer.categoryIndexForValue(attrValue)
            categories = renderer.categories()
            symbol = categories[catIndex].symbol()
        elif isinstance(renderer, QgsGraduatedSymbolRenderer):
            classAttribute = renderer.classAttribute()
            attrValue = feat.attribute(classAttribute)
            ranges = renderer.ranges()
            for range in ranges:
                if (attrValue >= range.lowerValue() and
                        attrValue <= range.upperValue()):
                    symbol = range.symbol().clone()
        else:
            symbol = renderer.symbolForFeature(feat, renderContext)
        symbolLayer = symbol.symbolLayer(0)
        if not symbolLayer.paintEffect().effectList()[0].enabled():
            shadows = "'2015-07-15 10:00:00'"
    renderer.stopRender(renderContext)
    osmb = """
var osmb = new OSMBuildings(map).date(new Date({shadows}));
osmb.set(json_{sln}_{count});""".format(shadows=shadows,
                                        sln=safeName(layer.name()),
                                        count=unicode(count))
    return osmb
Beispiel #14
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    def testRenderMetersInMapUnits(self):

        crs_wsg84 = QgsCoordinateReferenceSystem.fromOgcWmsCrs('EPSG:4326')
        rt_extent = QgsRectangle(13.37768985634235, 52.51625705830762, 13.37771931686235, 52.51628651882762)
        point_berlin_wsg84 = QgsPointXY(13.37770458660236, 52.51627178856762)
        length_wsg84_mapunits = 0.00001473026350140572
        meters_test = 2.40
        da_wsg84 = QgsDistanceArea()
        da_wsg84.setSourceCrs(crs_wsg84, QgsProject.instance().transformContext())
        if (da_wsg84.sourceCrs().isGeographic()):
            da_wsg84.setEllipsoid(da_wsg84.sourceCrs().ellipsoidAcronym())
        length_meter_mapunits = da_wsg84.measureLineProjected(point_berlin_wsg84, 1.0, (math.pi / 2))
        meters_test_mapunits = meters_test * length_wsg84_mapunits
        meters_test_pixel = meters_test * length_wsg84_mapunits
        ms = QgsMapSettings()
        ms.setDestinationCrs(crs_wsg84)
        ms.setExtent(rt_extent)
        r = QgsRenderContext.fromMapSettings(ms)
        r.setExtent(rt_extent)
        self.assertEqual(r.extent().center().toString(7), point_berlin_wsg84.toString(7))
        c = QgsMapUnitScale()
        r.setDistanceArea(da_wsg84)
        result_test_painterunits = r.convertToPainterUnits(meters_test, QgsUnitTypes.RenderMetersInMapUnits, c)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_painterunits, 7, QgsUnitTypes.DistanceUnknownUnit, True), QgsDistanceArea.formatDistance(meters_test_mapunits, 7, QgsUnitTypes.DistanceUnknownUnit, True))
        result_test_mapunits = r.convertToMapUnits(meters_test, QgsUnitTypes.RenderMetersInMapUnits, c)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_mapunits, 7, QgsUnitTypes.DistanceDegrees, True), QgsDistanceArea.formatDistance(meters_test_mapunits, 7, QgsUnitTypes.DistanceDegrees, True))
        result_test_meters = r.convertFromMapUnits(meters_test_mapunits, QgsUnitTypes.RenderMetersInMapUnits)
        self.assertEqual(QgsDistanceArea.formatDistance(result_test_meters, 1, QgsUnitTypes.DistanceMeters, True), QgsDistanceArea.formatDistance(meters_test, 1, QgsUnitTypes.DistanceMeters, True))
    def testCopyConstructor(self):
        """
        Test the copy constructor
        """
        c1 = QgsRenderContext()

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)

        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)
    def testFromMapSettings(self):
        """
        test QgsRenderContext.fromMapSettings()
        """
        ms = QgsMapSettings()
        ms.setOutputSize(QSize(1000, 1000))
        ms.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
        ms.setExtent(QgsRectangle(10000, 20000, 30000, 40000))

        ms.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)

        ms.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)

        self.assertEqual(rc.mapExtent(), QgsRectangle(10000, 20000, 30000, 40000))
Beispiel #17
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    def testConvertToPainterUnits(self):

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 8.33333333125, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 600.0, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)

        # minimum size greater than the calculated size, so size should be limited to minSizeMM
        c.minSizeMM = 5
        c.minSizeMMEnabled = True
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 59.0551181, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 8.33333333125, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 600.0, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)
        c.minSizeMMEnabled = False

        # maximum size less than the calculated size, so size should be limited to maxSizeMM
        c.maxSizeMM = 0.1
        c.maxSizeMMEnabled = True
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 8.33333333125, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 600.0, places=5)
        size = r.convertToPainterUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)
Beispiel #18
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    def testConvertSingleUnit(self):

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()
        #self.assertEqual(r.scaleFactor(),666)

        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 0.5, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.8110236, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 4.166666665625, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(sf, 300.0, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)

        # minimum scale greater than the renderer scale, so should be limited to minScale
        c.minScale = 150000000.0
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 3.89250455, places=5)
        # only conversion from mapunits should be affected
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.8110236, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 4.166666665625, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(sf, 300.0, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)
        c.minScale = 0

        # maximum scale less than the renderer scale, so should be limited to maxScale
        c.maxScale = 350000000.0
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 0.5, places=5)
        # only conversion from mapunits should be affected
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.8110236, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 4.166666665625, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(sf, 300.0, places=5)
        sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)
    def testGettersSetters(self):
        """
        Basic getter/setter tests
        """
        c = QgsRenderContext()

        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)
        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)
    def paint(self, painter, option=None, widget=None): # Override
        if not self._feature:
            return

        mapSettings = self._mapCanvas.mapSettings()
        context = QgsRenderContext.fromMapSettings(mapSettings)
        renderer = self._getRenderer(context, self._pen.color(), self._brush.color())

        if renderer:
            context.setPainter(painter)
            renderer.startRender(context, self._layer.fields())
            renderer.renderFeature(self._feature, context)
            renderer.stopRender(context)
Beispiel #21
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    def testMapUnitsPerPixel(self):
        # test computeMapUnitsPerPixel

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(75)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 2.0, places=5)

        # add a minimum scale less than the renderer scale, so should be no change
        c.minScale = 350000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 2.0, places=5)

        # minimum scale greater than the renderer scale, so should be limited to minScale
        c.minScale = 150000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 1.0276160, places=5)
        c.minScale = 50000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 0.3425386, places=5)
        c.minScale = 350000000.0

        # add a maximum scale greater than the renderer scale, so should be no change
        c.maxScale = 150000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 2.0, places=5)

        # maximum scale less than the renderer scale, so should be limited to maxScale
        c.maxScale = 350000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 2.3977706, places=5)
        c.maxScale = 500000000.0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 3.4253867, places=5)

        # test resetting to min/max
        c.minScale = 0
        c.maxScale = 0
        mup = c.computeMapUnitsPerPixel(r)
        self.assertAlmostEqual(mup, 2.0, places=5)
Beispiel #22
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    def testPixelSizeScaleFactor(self):
        # test QgsSymbolLayerUtils::pixelSizeScaleFactor() using QgsMapUnitScale

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 0.5, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.8110236, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 33.48006689762, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)

        # minimum scale greater than the renderer scale, so should be limited to minScale
        c.minScale = 1 / 150000000.0
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 3.8925045, places=5)
        # only conversion from mapunits should be affected
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.811023, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 33.48006689762, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)
        c.minScale = 0

        # maximum scale less than the renderer scale, so should be limited to maxScale
        c.maxScale = 1 / 350000000.0
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(sf, 0.5, places=5)
        # only conversion from mapunits should be affected
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(sf, 11.8110236, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(sf, 33.48006689762, places=5)
        sf = QgsSymbolLayerUtils.pixelSizeScaleFactor(r, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(sf, 1.0, places=5)
Beispiel #23
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def add25dAttributes(cleanLayer, layer, canvas):
    provider = cleanLayer.dataProvider()
    provider.addAttributes([QgsField("height", QVariant.Double),
                            QgsField("wallColor", QVariant.String),
                            QgsField("roofColor", QVariant.String)])
    cleanLayer.updateFields()
    fields = cleanLayer.fields()
    renderer = layer.renderer()
    renderContext = QgsRenderContext.fromMapSettings(canvas.mapSettings())
    feats = layer.getFeatures()
    context = QgsExpressionContext()
    context.appendScope(QgsExpressionContextUtils.layerScope(layer))
    expression = QgsExpression('eval(@qgis_25d_height)')
    heightField = fields.indexFromName("height")
    wallField = fields.indexFromName("wallColor")
    roofField = fields.indexFromName("roofColor")
    renderer.startRender(renderContext, fields)
    cleanLayer.startEditing()
    for feat in feats:
        context.setFeature(feat)
        height = expression.evaluate(context)
        if isinstance(renderer, QgsCategorizedSymbolRenderer):
            classAttribute = renderer.classAttribute()
            attrValue = feat.attribute(classAttribute)
            catIndex = renderer.categoryIndexForValue(attrValue)
            categories = renderer.categories()
            symbol = categories[catIndex].symbol()
        elif isinstance(renderer, QgsGraduatedSymbolRenderer):
            classAttribute = renderer.classAttribute()
            attrValue = feat.attribute(classAttribute)
            ranges = renderer.ranges()
            for range in ranges:
                if (attrValue >= range.lowerValue() and
                        attrValue <= range.upperValue()):
                    symbol = range.symbol().clone()
        else:
            symbol = renderer.symbolForFeature(feat, renderContext)
        sl1 = symbol.symbolLayer(1)
        sl2 = symbol.symbolLayer(2)
        wallColor = sl1.subSymbol().color().name()
        roofColor = sl2.subSymbol().color().name()
        provider.changeAttributeValues({feat.id() + 1: {heightField: height,
                                                        wallField: wallColor,
                                                        roofField: roofColor}})
    cleanLayer.commitChanges()
    renderer.stopRender(renderContext)
def get_features_in_area(layer, area, transform, mapsettings):
    """
    Return all the features for the given layer in the search area
    :param layer: Search layer
    :param area: Search area
    :param transform:
    :return: yields a dict for each feature found in the area
    """
    renderer = layer.rendererV2()
    layerid = layer.id()
    context = QgsRenderContext.fromMapSettings(mapsettings)
    renderer.startRender(context, layer.pendingFields())
    for feature in layer.getFeatures(QgsFeatureRequest(area)):
        featuredata = to_feature_data(layerid, feature, renderer, transform)
        for data in featuredata:
            yield data
    renderer.stopRender(context)
Beispiel #25
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    def renderGeometry(self, geom):
        f = QgsFeature()
        f.setGeometry(geom)

        image = QImage(200, 200, QImage.Format_RGB32)

        painter = QPainter()
        ms = QgsMapSettings()
        extent = geom.get().boundingBox()
        # buffer extent by 10%
        if extent.width() > 0:
            extent = extent.buffered((extent.height() + extent.width()) / 20.0)
        else:
            extent = extent.buffered(10)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))

            if geom.type() == QgsWkbTypes.PolygonGeometry:
                self.fill_symbol.startRender(context)
                self.fill_symbol.renderFeature(f, context)
                self.fill_symbol.stopRender(context)

            elif geom.type() == QgsWkbTypes.LineGeometry:
                self.line_symbol.startRender(context)
                self.line_symbol.renderFeature(f, context)
                self.line_symbol.stopRender(context)

            elif geom.type() == QgsWkbTypes.PointGeometry:
                self.marker_symbol.startRender(context)
                self.marker_symbol.renderFeature(f, context)
                self.marker_symbol.stopRender(context)
            else:
                self.fail("Unknown type: " + geom.type())
        finally:
            painter.end()

        return image
Beispiel #26
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def is25d(layer, canvas, restrictToExtent, extent):
    if layer.type() != layer.VectorLayer:
        return False
    if layer.geometryType() != QgsWkbTypes.PolygonGeometry:
        return False
    vts = layer.customProperty("VectorTilesReader/vector_tile_source")
    if vts is not None:
        return False
    renderer = layer.renderer()
    if isinstance(renderer, Qgs25DRenderer):
        return True
    symbols = []
    if isinstance(renderer, QgsCategorizedSymbolRenderer):
        categories = renderer.categories()
        for category in categories:
            symbols.append(category.symbol())
    elif isinstance(renderer, QgsGraduatedSymbolRenderer):
        ranges = renderer.ranges()
        for range in ranges:
            symbols.append(range.symbol())
    elif isinstance(renderer, QgsRuleBasedRenderer):
        rules = renderer.rootRule().children()
        for rule in rules:
            symbols.append(rule.symbol())
    else:
        renderContext = QgsRenderContext.fromMapSettings(canvas.mapSettings())
        fields = layer.fields()
        if restrictToExtent and extent == "Canvas extent":
            request = QgsFeatureRequest(canvas.extent())
            request.setFlags(QgsFeatureRequest.ExactIntersect)
            features = layer.getFeatures(request)
        else:
            features = layer.getFeatures()
        renderer.startRender(renderContext, fields)
        for feature in features:
            symbol = renderer.symbolForFeature(feature, renderContext)
            symbols.append(symbol)
        renderer.stopRender(renderContext)
    for sym in symbols:
        sl1 = sym.symbolLayer(1)
        sl2 = sym.symbolLayer(2)
        if (isinstance(sl1, QgsGeometryGeneratorSymbolLayer) and
                isinstance(sl2, QgsGeometryGeneratorSymbolLayer)):
            return True
    return False
Beispiel #27
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    def testConvertFromMapUnits(self):
        # test QgsSymbolLayerUtils::convertToMapUnits() without QgsMapUnitScale

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841
        size = QgsSymbolLayerUtils.convertFromMapUnits(r, 2, QgsUnitTypes.RenderMapUnits)
        self.assertEqual(size, 2.0)
        size = QgsSymbolLayerUtils.convertFromMapUnits(r, 50, QgsUnitTypes.RenderMillimeters)
        self.assertAlmostEqual(size, 2.1166666666, places=5)
        size = QgsSymbolLayerUtils.convertFromMapUnits(r, 50, QgsUnitTypes.RenderPoints)
        self.assertAlmostEqual(size, 6.0000000015, places=5)
        size = QgsSymbolLayerUtils.convertFromMapUnits(r, 4, QgsUnitTypes.RenderPixels)
        self.assertAlmostEqual(size, 2.0, places=5)
    def testMapUnitScaleFactor(self):
        # test QgsSymbolLayerV2Utils::mapUnitScaleFactor() using QgsMapUnitScale

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        c = QgsMapUnitScale()
        sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.MapUnit, c)
        self.assertAlmostEqual(sf, 1.0, places=5)
        sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.MM, c)
        self.assertAlmostEqual(sf, 23.622047, places=5)
        sf = QgsSymbolLayerV2Utils.mapUnitScaleFactor(r, QgsSymbolV2.Pixel, c)
        self.assertAlmostEqual(sf, 2.0, places=5)
    def testConvertToPainterUnits(self):
        # test QgsSymbolLayerV2Utils::convertToPainterUnits() using QgsMapUnitScale

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, c)
        self.assertAlmostEqual(size, 2.0, places=5)

        # minimum size greater than the calculated size, so size should be limited to minSizeMM
        c.minSizeMM = 5
        c.minSizeMMEnabled = True
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
        self.assertAlmostEqual(size, 59.0551181, places=5)
        # only conversion from mapunits should be affected
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, c)
        self.assertAlmostEqual(size, 2.0, places=5)
        c.minSizeMMEnabled = False

        # maximum size less than the calculated size, so size should be limited to maxSizeMM
        c.maxSizeMM = 0.1
        c.maxSizeMMEnabled = True
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MapUnit, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        # only conversion from mapunits should be affected
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.MM, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerV2Utils.convertToPainterUnits(r, 2, QgsSymbolV2.Pixel, c)
        self.assertAlmostEqual(size, 2.0, places=5)
def isFeatureRendered(canvas, layer, feature):
    renderer = layer.rendererV2()

    renderContext = QgsRenderContext()
    renderContext.setExtent(canvas.mapRenderer().rendererContext().extent())
    renderContext.setMapToPixel(canvas.mapRenderer().rendererContext().mapToPixel())
    renderContext.setRendererScale(canvas.mapRenderer().scale())

    if QGis.QGIS_VERSION_INT >= 20300:
        renderer.startRender(renderContext, layer.pendingFields())
    else:
        renderer.startRender(renderContext, layer)

    ans = renderer.willRenderFeature(feature)

    renderer.stopRender(renderContext)

    return ans
    def test_no_feature_coordinate_transform(self):
        """
        Test rendering as a pure symbol, no feature associated, with coordinate transform
        """
        buffer_layer = QgsGeometryGeneratorSymbolLayer.create(
            {'geometryModifier': 'buffer($geometry, 5)'})
        buffer_layer.setSymbolType(QgsSymbol.Fill)
        buffer_layer.setUnits(QgsUnitTypes.RenderMillimeters)
        self.assertIsNotNone(buffer_layer.subSymbol())

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, buffer_layer)

        image = QImage(400, 400, QImage.Format_RGB32)
        image.fill(QColor(255, 255, 255))
        painter = QPainter(image)

        context = QgsRenderContext.fromQPainter(painter)
        context.setCoordinateTransform(
            QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:4326'),
                                   QgsCoordinateReferenceSystem('EPSG:3857'),
                                   QgsProject.instance().transformContext()))

        symbol.startRender(context)

        symbol.renderPolyline(
            QPolygonF([QPointF(50, 200),
                       QPointF(100, 170),
                       QPointF(350, 270)]), None, context)

        symbol.stopRender(context)
        painter.end()

        self.assertTrue(
            self.imageCheck('geometrygenerator_nofeature',
                            'geometrygenerator_nofeature', image))
Beispiel #32
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    def testSimpleLineWithOffset(self):
        """ test that rendering a polygon with simple line symbol with offset results in closed line"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setOffset(-1)
        layer.setColor(QColor(0, 0, 0))

        symbol = QgsFillSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0))')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.constGet().boundingBox()
        # buffer extent by 10%
        extent = extent.buffered((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(self.imageCheck('symbol_layer', 'fill_simpleline_offset', image))
Beispiel #33
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    def testRenderLineLayerDisabled(self):
        """ test that rendering a line symbol with disabled layer works"""
        layer = QgsSimpleLineSymbolLayer()
        layer.setEnabled(False)

        symbol = QgsLineSymbol()
        symbol.changeSymbolLayer(0, layer)

        image = QImage(200, 200, QImage.Format_RGB32)
        painter = QPainter()
        ms = QgsMapSettings()

        geom = QgsGeometry.fromWkt('LineString (0 0,3 4,4 3)')
        f = QgsFeature()
        f.setGeometry(geom)

        extent = geom.constGet().boundingBox()
        # buffer extent by 10%
        extent = extent.buffered((extent.height() + extent.width()) / 20.0)

        ms.setExtent(extent)
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI

        painter.begin(image)
        image.fill(QColor(255, 255, 255))

        symbol.startRender(context)
        symbol.renderFeature(f, context)
        symbol.stopRender(context)
        painter.end()

        self.assertTrue(
            self.imageCheck('symbol_layer', 'symbollayer_disabled', image))
    def testItemsInBounds(self):
        layer = QgsAnnotationLayer(
            'test',
            QgsAnnotationLayer.LayerOptions(
                QgsProject.instance().transformContext()))
        self.assertTrue(layer.isValid())

        item1uuid = layer.addItem(
            QgsAnnotationPolygonItem(
                QgsPolygon(
                    QgsLineString([
                        QgsPoint(12, 13),
                        QgsPoint(14, 13),
                        QgsPoint(14, 15),
                        QgsPoint(12, 13)
                    ]))))
        item2uuid = layer.addItem(
            QgsAnnotationLineItem(
                QgsLineString(
                    [QgsPoint(11, 13),
                     QgsPoint(12, 13),
                     QgsPoint(12, 150)])))
        item3uuid = layer.addItem(QgsAnnotationMarkerItem(QgsPoint(120, 13)))

        rc = QgsRenderContext()
        self.assertFalse(layer.itemsInBounds(QgsRectangle(-10, -10, -9, 9),
                                             rc))
        self.assertCountEqual(
            layer.itemsInBounds(QgsRectangle(12, 13, 14, 15), rc),
            [item1uuid, item2uuid])
        self.assertCountEqual(
            layer.itemsInBounds(QgsRectangle(12, 130, 14, 150), rc),
            [item2uuid])
        self.assertCountEqual(
            layer.itemsInBounds(QgsRectangle(110, 0, 120, 20), rc),
            [item3uuid])
Beispiel #35
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    def testSetPainterFlags(self):
        rc = QgsRenderContext()
        p = QPainter()
        im = QImage(1000, 600, QImage.Format_RGB32)
        p.begin(im)
        rc.setPainterFlagsUsingContext(p)
        self.assertFalse(p.testRenderHint(QPainter.Antialiasing))
        try:
            self.assertFalse(p.testRenderHint(QPainter.LosslessImageRendering))
        except AttributeError:
            pass

        rc.setPainter(p)
        rc.setFlag(QgsRenderContext.Antialiasing, True)
        rc.setFlag(QgsRenderContext.LosslessImageRendering, True)
        rc.setPainterFlagsUsingContext(p)
        self.assertTrue(p.testRenderHint(QPainter.Antialiasing))
        try:
            self.assertTrue(p.testRenderHint(QPainter.LosslessImageRendering))
        except AttributeError:
            pass

        p.end()
    def testQgsGraduatedSymbolRendererV2_1(self):
        """Test QgsGraduatedSymbolRendererV2: Basic get/set functions """

        # Create a renderer
        renderer = QgsGraduatedSymbolRendererV2()

        symbol = createMarkerSymbol()
        renderer.setSourceSymbol(symbol.clone())
        self.assertEqual(symbol.dump(),
                         renderer.sourceSymbol().dump(),
                         "Get/set renderer source symbol")

        attr = '"value"*"value"'
        renderer.setClassAttribute(attr)
        self.assertEqual(attr, renderer.classAttribute(),
                         "Get/set renderer class attribute")

        for m in (
                QgsGraduatedSymbolRendererV2.Custom,
                QgsGraduatedSymbolRendererV2.EqualInterval,
                QgsGraduatedSymbolRendererV2.Quantile,
                QgsGraduatedSymbolRendererV2.Jenks,
                QgsGraduatedSymbolRendererV2.Pretty,
                QgsGraduatedSymbolRendererV2.StdDev,
        ):
            renderer.setMode(m)
            self.assertEqual(m, renderer.mode(), "Get/set renderer mode")

        format = createLabelFormat()
        renderer.setLabelFormat(format)
        self.assertEqual(dumpLabelFormat(format),
                         dumpLabelFormat(renderer.labelFormat()),
                         "Get/set renderer label format")

        ramp = createColorRamp()
        renderer.setSourceColorRamp(ramp)
        self.assertEqual(dumpColorRamp(ramp),
                         dumpColorRamp(renderer.sourceColorRamp()),
                         "Get/set renderer color ramp")

        renderer.setInvertedColorRamp(True)
        self.assertTrue(renderer.invertedColorRamp(),
                        "Get/set renderer inverted color ramp")
        renderer.setInvertedColorRamp(False)
        self.assertFalse(renderer.invertedColorRamp(),
                         "Get/set renderer inverted color ramp")

        value = '"value"*2'
        exp = QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
        valuestr = QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
        renderer.setRotationField(value)
        self.assertEqual(valuestr, renderer.rotationField(),
                         "Get/set renderer rotation field")

        value = '"value"*3'
        exp = QgsSymbolLayerV2Utils.fieldOrExpressionToExpression(value)
        valuestr = QgsSymbolLayerV2Utils.fieldOrExpressionFromExpression(exp)
        renderer.setSizeScaleField(value)
        self.assertEqual(valuestr, renderer.sizeScaleField(),
                         "Get/set renderer size scale field")

        renderer.setSourceColorRamp(ramp)
        self.assertEqual(dumpColorRamp(ramp),
                         dumpColorRamp(renderer.sourceColorRamp()),
                         "Get/set renderer color ramp")

        for sm in (
                QgsSymbolV2.ScaleArea,
                QgsSymbolV2.ScaleDiameter,
        ):
            renderer.setScaleMethod(sm)
            self.assertEqual(str(sm), str(renderer.scaleMethod()),
                             "Get/set renderer scale method")
        # test for classificatio with varying size
        renderer.setGraduatedMethod(QgsGraduatedSymbolRendererV2.GraduatedSize)
        renderer.setSourceColorRamp(None)
        renderer.addClassLowerUpper(0, 2)
        renderer.addClassLowerUpper(2, 4)
        renderer.addClassLowerUpper(4, 6)
        renderer.setSymbolSizes(2, 13)
        self.assertEqual(renderer.maxSymbolSize(), 13)
        self.assertEqual(renderer.minSymbolSize(), 2)
        refSizes = [2, (13 + 2) * .5, 13]
        ctx = QgsRenderContext()
        for idx, symbol in enumerate(renderer.symbols(ctx)):
            self.assertEqual(symbol.size(), refSizes[idx])
    def on_click_Carregar(self):
        global cur
        global conn
        global nomBD1
        global contra1
        global host1
        global port1
        global usuari1

        llistaErrors = self.controlErrorsCarrega()
        if len(llistaErrors) != 0:
            llista = "Llista d'errors:\n\n"
            for i in range(0, len(llistaErrors)):
                llista += ("- " + llistaErrors[i] + '\n')
            QMessageBox.information(None, "Error", llista)
            return

        select = 'select * from "GTC_Update"."ControlActualitzacio";'
        try:
            cur.execute(select)
            vec = cur.fetchall()
            conn.commit()
        except Exception as e:
            print(e.message, e.args)
            print("ERROR select Control")

        if (vec[0][0]):
            label = "Actualment s'està modificant el GTC.\nIntrodueix la paraula clau per carregar la capa."
            val = self.on_click_CarregarAux(label)
            if val == '':
                return
            comprovarParaulaClau = vec[0][3]
            if (comprovarParaulaClau != val):
                QMessageBox.information(None, "Error",
                                        "La paraula clau no és la correcta.")
                return
        else:
            label = "Actualment NO s'està modificant el GTC.\nIntrodueix la paraula clau per carregar la capa."
            val = self.on_click_CarregarAux(label)
            if val == '':
                return
            update = 'update "GTC_Update"."ControlActualitzacio" set "modificant" = true;\n'
            update += 'update "GTC_Update"."ControlActualitzacio" set "usuariModificador" = \'' + val + '\';\n'
            update += 'update "GTC_Update"."ControlActualitzacio" set "horaModificacio" = CURRENT_TIMESTAMP;'
            try:
                cur.execute(update)
                conn.commit()
            except Exception as e:
                print(e.message, e.args)
                print("ERROR update Control (modificant, paraula clau)")

            if (not vec[0][1]):
                create = 'drop table if exists "GTC_Update"."UpdateGTC";\n'
                create += 'create table "GTC_Update"."UpdateGTC" as (select * from "SegmentsXarxaCarrers" order by id);\n'
                create += 'ALTER TABLE "GTC_Update"."UpdateGTC" DROP COLUMN id;\n'
                create += 'ALTER TABLE "GTC_Update"."UpdateGTC" ADD COLUMN id serial;\n'
                create += 'ALTER TABLE "GTC_Update"."UpdateGTC" ADD PRIMARY KEY (id);\n'
                try:
                    cur.execute(create)
                    conn.commit()
                except Exception as e:
                    print("ERROR create GTC per actualitzar")
                    print(e.message.encode('utf8', 'strict'),
                          e.args.encode('utf8', 'strict'))

        select = 'select to_char("horaModificacio", \'DD/MM/YY HH24:MI\') from "GTC_Update"."ControlActualitzacio";'
        try:
            cur.execute(select)
            vec = cur.fetchall()
            conn.commit()
        except Exception as e:
            print(e.message, e.args)
            print("ERROR select Control")
        self.dlg.text_info.setText("Data de l'inici de la modificació: " +
                                   vec[0][0])

        uri = QgsDataSourceUri()
        try:
            uri.setConnection(host1, port1, nomBD1, usuari1, contra1)
        except Exception as e:
            print(e.message, e.args)
            print("Error a la connexió")

        sql_total = 'select * from "GTC_Update"."UpdateGTC" order by id'
        QApplication.processEvents()
        uri.setDataSource("GTC_Update", "UpdateGTC", "the_geom", "", "")
        QApplication.processEvents()
        '''
        #    13.2 Es prepara el titol de la capa que apareixerà a la llegenda
        '''
        titol = "UpdateGTC"
        vlayer = QgsVectorLayer(uri.uri(False), titol, "postgres")
        QApplication.processEvents()

        if vlayer.isValid():
            symbols = vlayer.renderer().symbols(QgsRenderContext())
            symbol = symbols[0]
            '''S'afegeix el color a la nova entitat'''
            symbol.setColor(QColor.fromRgb(0, 0, 0))
            QgsProject.instance().addMapLayer(vlayer, False)
            root = QgsProject.instance().layerTreeRoot()
            myLayerNode = QgsLayerTreeLayer(vlayer)
            root.insertChildNode(0, myLayerNode)
            myLayerNode.setCustomProperty("showFeatureCount", False)
            QApplication.processEvents()
            ''''S'afegeix la capa a la pantalla'''
            iface.mapCanvas().refresh()
            #qgis.utils.iface.legendInterface().refreshLayerSymbology(vlayer)
        else:
            print("No s'ha carregat la capa")
    def testConvertToMapUnits(self):
        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertEqual(size, 2.0)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 47.244094, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 47.2440833, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 3401.574, places=5)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 4.0, places=5)

        # minimum size greater than the calculated size, so size should be limited to minSizeMM
        c.minSizeMM = 5
        c.minSizeMMEnabled = True
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 118.1102362, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 47.244094, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 47.2440833, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 3401.574, places=5)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 4.0, places=5)
        c.minSizeMMEnabled = False

        # maximum size less than the calculated size, so size should be limited to maxSizeMM
        c.maxSizeMM = 0.05
        c.maxSizeMMEnabled = True
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.1811023622047245, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 47.244094, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 47.2440833, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 3401.574, places=5)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 4.0, places=5)
        c.maxSizeMMEnabled = False

        # test with minimum scale set
        c.minScale = 1 / 150000000.0
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 15.57001821, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 47.244094, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 47.2440833, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 3401.574, places=5)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 4.0, places=5)
        c.minScale = 0

        # test with maximum scale set
        c.maxScale = 1 / 1550000000.0
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.50677595625, places=5)
        # only conversion from mapunits should be affected
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 47.244094, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 47.2440833, places=5)
        size = r.convertToMapUnits(5.66929, QgsUnitTypes.RenderInches, c)
        self.assertAlmostEqual(size, 3401.574, places=5)
        size = r.convertToMapUnits(2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 4.0, places=5)
        c.maxScale = 0
Beispiel #39
0
def writeLayersAndGroups(layers, groups, visible, folder, popup,
                         settings, json, matchCRS, clustered, iface,
                         restrictToExtent, extent):

    canvas = iface.mapCanvas()
    basemapList = settings["Appearance"]["Base layer"]
    basemaps = [basemapOL()[item] for _, item in enumerate(basemapList)]
    if len(basemapList) > 1:
        baseGroup = "Base maps"
    else:
        baseGroup = ""
    baseLayer = """var baseLayer = new ol.layer.Group({
    'title': '%s',
    layers: [%s\n]
});""" % (baseGroup, ','.join(basemaps))

    layerVars = ""
    layer_names_id = {}
    for count, (layer, encode2json, cluster) in enumerate(zip(layers, json,
                                                              clustered)):
        layer_names_id[layer.id()] = str(count)
        try:
            if is25d(layer, canvas, restrictToExtent, extent):
                pass
            else:
                layerVars += "\n".join([layerToJavascript(iface, layer,
                                                          encode2json,
                                                          matchCRS, cluster,
                                                          restrictToExtent,
                                                          extent, count)])
        except:
            try:
                layerVars += "\n".join([layerToJavascript(iface, layer,
                                                          encode2json,
                                                          matchCRS, cluster,
                                                          restrictToExtent,
                                                          extent, count)])
            except:
                pass
    groupVars = ""
    groupedLayers = {}
    for group, groupLayers in groups.iteritems():
        groupLayerObjs = ""
        for layer in groupLayers:
            try:
                if isinstance(layer, TileLayer):
                    continue
            except:
                pass
            groupLayerObjs += ("lyr_" + safeName(layer.name()) +
                               layer_names_id[layer.id()] + ",")
        groupVars += ('''var %s = new ol.layer.Group({
                                layers: [%s],
                                title: "%s"});\n''' %
                      ("group_" + safeName(group), groupLayerObjs, group))
        for layer in groupLayers:
            groupedLayers[layer.id()] = safeName(group)
    mapLayers = ["baseLayer"]
    usedGroups = []
    osmb = ""
    for count, layer in enumerate(layers):
        try:
            renderer = layer.rendererV2()
            if is25d(layer, canvas, restrictToExtent, extent):
                shadows = ""
                renderer = layer.rendererV2()
                renderContext = QgsRenderContext.fromMapSettings(
                    canvas.mapSettings())
                fields = layer.pendingFields()
                renderer.startRender(renderContext, fields)
                for feat in layer.getFeatures():
                    if isinstance(renderer, QgsCategorizedSymbolRendererV2):
                        classAttribute = renderer.classAttribute()
                        attrValue = feat.attribute(classAttribute)
                        catIndex = renderer.categoryIndexForValue(attrValue)
                        categories = renderer.categories()
                        symbol = categories[catIndex].symbol()
                    elif isinstance(renderer, QgsGraduatedSymbolRendererV2):
                        classAttribute = renderer.classAttribute()
                        attrValue = feat.attribute(classAttribute)
                        ranges = renderer.ranges()
                        for range in ranges:
                            if (attrValue >= range.lowerValue() and
                                    attrValue <= range.upperValue()):
                                symbol = range.symbol().clone()
                    else:
                        symbol = renderer.symbolForFeature2(feat,
                                                            renderContext)
                    symbolLayer = symbol.symbolLayer(0)
                    if not symbolLayer.paintEffect().effectList()[0].enabled():
                        shadows = "'2015-07-15 10:00:00'"
                renderer.stopRender(renderContext)
                osmb = """
var osmb = new OSMBuildings(map).date(new Date({shadows}));
osmb.set(json_{sln}{count});""".format(shadows=shadows,
                                       sln=safeName(layer.name()),
                                       count=unicode(count))
            else:
                try:
                    if not isinstance(layer, TileLayer):
                        mapLayers.append("lyr_" + safeName(layer.name()) +
                                         unicode(count))
                except:
                    mapLayers.append("lyr_" + safeName(layer.name()) +
                                     unicode(count))
        except:
            QgsMessageLog.logMessage(traceback.format_exc(), "qgis2web",
                                     level=QgsMessageLog.CRITICAL)
            try:
                if not isinstance(layer, TileLayer):
                    mapLayers.append("lyr_" + safeName(layer.name()) +
                                     unicode(count))
            except:
                mapLayers.append("lyr_" + safeName(layer.name()) +
                                 unicode(count))
    visibility = ""
    for layer, v in zip(mapLayers[1:], visible):
        visibility += "\n".join(["%s.setVisible(%s);" % (layer,
                                                         unicode(v).lower())])

    group_list = ["baseLayer"] if len(basemapList) else []
    no_group_list = []
    for count, layer in enumerate(layers):
        try:
            if is25d(layer, canvas, restrictToExtent, extent):
                pass
            else:
                if layer.id() in groupedLayers:
                    groupName = groupedLayers[layer.id()]
                    if groupName not in usedGroups:
                        group_list.append("group_" + safeName(groupName))
                        usedGroups.append(groupName)
                else:
                    no_group_list.append("lyr_" + safeName(layer.name()) +
                                         unicode(count))
        except:
            if layer.id() in groupedLayers:
                groupName = groupedLayers[layer.id()]
                if groupName not in usedGroups:
                    group_list.append("group_" + safeName(groupName))
                    usedGroups.append(groupName)
            else:
                no_group_list.append("lyr_" + safeName(layer.name()) +
                                     unicode(count))

    layersList = []
    for layer in (group_list + no_group_list):
        layersList.append(layer)
    layersListString = "var layersList = [" + ",".join(layersList) + "];"

    fieldAliases = ""
    fieldImages = ""
    fieldLabels = ""
    blend_mode = ""
    for count, (layer, labels) in enumerate(zip(layers, popup)):
        sln = safeName(layer.name()) + unicode(count)
        if layer.type() == layer.VectorLayer and not is25d(layer, canvas,
                                                           restrictToExtent,
                                                           extent):
            fieldList = layer.pendingFields()
            aliasFields = ""
            imageFields = ""
            labelFields = ""
            for field, label in zip(labels.keys(), labels.values()):
                labelFields += "'%(field)s': '%(label)s', " % (
                    {"field": field, "label": label})
            labelFields = "{%(labelFields)s});\n" % (
                {"labelFields": labelFields})
            labelFields = "lyr_%(name)s.set('fieldLabels', " % (
                {"name": sln}) + labelFields
            fieldLabels += labelFields
            for f in fieldList:
                fieldIndex = fieldList.indexFromName(unicode(f.name()))
                aliasFields += "'%(field)s': '%(alias)s', " % (
                    {"field": f.name(),
                     "alias": layer.attributeDisplayName(fieldIndex)})
                widget = layer.editFormConfig().widgetType(fieldIndex)
                imageFields += "'%(field)s': '%(image)s', " % (
                    {"field": f.name(),
                     "image": widget})
            aliasFields = "{%(aliasFields)s});\n" % (
                {"aliasFields": aliasFields})
            aliasFields = "lyr_%(name)s.set('fieldAliases', " % (
                {"name": sln}) + aliasFields
            fieldAliases += aliasFields
            imageFields = "{%(imageFields)s});\n" % (
                {"imageFields": imageFields})
            imageFields = "lyr_%(name)s.set('fieldImages', " % (
                {"name": sln}) + imageFields
            fieldImages += imageFields
            blend_mode = """lyr_%(name)s.on('precompose', function(evt) {
    evt.context.globalCompositeOperation = '%(blend)s';
});""" % (
                {"name": sln,
                         "blend": BLEND_MODES[layer.blendMode()]})

    path = os.path.join(folder, "layers", "layers.js")
    with codecs.open(path, "w", "utf-8") as f:
        if basemapList:
            f.write(baseLayer + "\n")
        f.write(layerVars + "\n")
        f.write(groupVars + "\n")
        f.write(visibility + "\n")
        f.write(layersListString + "\n")
        f.write(fieldAliases)
        f.write(fieldImages)
        f.write(fieldLabels)
        f.write(blend_mode)
    return osmb
Beispiel #40
0
    def testCopyConstructor(self):
        """
        Test the copy constructor
        """
        c1 = QgsRenderContext()

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        c1.setMapExtent(QgsRectangle(1, 2, 3, 4))

        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysText)
        self.assertEqual(c2.mapExtent(), QgsRectangle(1, 2, 3, 4))

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysOutlines)

        c1.setIsTemporal(True)
        c1.setTemporalRange(
            QgsDateTimeRange(QDateTime(2020, 1, 1, 0, 0),
                             QDateTime(2010, 12, 31, 23, 59)))
        c2 = QgsRenderContext(c1)

        self.assertEqual(c2.isTemporal(), True)
        self.assertEqual(
            c2.temporalRange(),
            QgsDateTimeRange(QDateTime(2020, 1, 1, 0, 0),
                             QDateTime(2010, 12, 31, 23, 59)))
    def testMatchToSymbols(self):
        """
        Test QgsCategorizedSymbolRender.matchToSymbols
        """
        renderer = QgsCategorizedSymbolRenderer()
        renderer.setClassAttribute('x')

        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 0, 0))
        renderer.addCategory(QgsRendererCategory('a', symbol_a, 'a'))
        symbol_b = createMarkerSymbol()
        symbol_b.setColor(QColor(0, 255, 0))
        renderer.addCategory(QgsRendererCategory('b', symbol_b, 'b'))
        symbol_c = createMarkerSymbol()
        symbol_c.setColor(QColor(0, 0, 255))
        renderer.addCategory(QgsRendererCategory('c ', symbol_c, 'c'))

        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            None, QgsSymbol.Marker)
        self.assertEqual(matched, 0)

        style = QgsStyle()
        symbol_a = createMarkerSymbol()
        symbol_a.setColor(QColor(255, 10, 10))
        self.assertTrue(style.addSymbol('a', symbol_a))
        symbol_B = createMarkerSymbol()
        symbol_B.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('B ', symbol_B))
        symbol_b = createFillSymbol()
        symbol_b.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('b', symbol_b))
        symbol_C = createLineSymbol()
        symbol_C.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol('C', symbol_C))
        symbol_C = createMarkerSymbol()
        symbol_C.setColor(QColor(10, 255, 10))
        self.assertTrue(style.addSymbol(' ----c/- ', symbol_C))

        # non-matching symbol type
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Line)
        self.assertEqual(matched, 0)
        self.assertEqual(unmatched_cats, ['a', 'b', 'c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'B ', 'C', 'a', 'b'])

        # exact match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Marker)
        self.assertEqual(matched, 1)
        self.assertEqual(unmatched_cats, ['b', 'c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'B ', 'C', 'b'])

        # make sure symbol was applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        renderer.stopRender(context)

        # case insensitive match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Marker, False)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('b')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)

        # case insensitive match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Marker, False)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['c '])
        self.assertEqual(unmatched_symbols, [' ----c/- ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('b')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)

        # tolerant match
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Marker, True, True)
        self.assertEqual(matched, 2)
        self.assertEqual(unmatched_cats, ['b'])
        self.assertEqual(unmatched_symbols, ['B ', 'C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('c ')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)

        # tolerant match, case insensitive
        matched, unmatched_cats, unmatched_symbols = renderer.matchToSymbols(
            style, QgsSymbol.Marker, False, True)
        self.assertEqual(matched, 3)
        self.assertFalse(unmatched_cats)
        self.assertEqual(unmatched_symbols, ['C', 'b'])

        # make sure symbols were applied
        context = QgsRenderContext()
        renderer.startRender(context, QgsFields())
        symbol, ok = renderer.symbolForValue2('a')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#ff0a0a')
        symbol, ok = renderer.symbolForValue2('b')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        symbol, ok = renderer.symbolForValue2('c ')
        self.assertTrue(ok)
        self.assertEqual(symbol.color().name(), '#0aff0a')
        renderer.stopRender(context)
    def testRenderedFeatureHandlers(self):
        rc = QgsRenderContext()
        self.assertFalse(rc.renderedFeatureHandlers())
        self.assertFalse(rc.hasRenderedFeatureHandlers())

        ms = QgsMapSettings()
        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertFalse(rc.renderedFeatureHandlers())
        self.assertFalse(rc.hasRenderedFeatureHandlers())

        handler = TestFeatureHandler()
        handler2 = TestFeatureHandler()
        ms.addRenderedFeatureHandler(handler)
        ms.addRenderedFeatureHandler(handler2)

        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.renderedFeatureHandlers(), [handler, handler2])
        self.assertTrue(rc.hasRenderedFeatureHandlers())

        rc2 = QgsRenderContext(rc)
        self.assertEqual(rc2.renderedFeatureHandlers(), [handler, handler2])
        self.assertTrue(rc2.hasRenderedFeatureHandlers())
    def testVectorSimplification(self):
        """
        Test vector simplification hints, ensure they are copied correctly from map settings
        """
        rc = QgsRenderContext()
        self.assertEqual(rc.vectorSimplifyMethod().simplifyHints(),
                         QgsVectorSimplifyMethod.NoSimplification)

        ms = QgsMapSettings()

        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.vectorSimplifyMethod().simplifyHints(),
                         QgsVectorSimplifyMethod.NoSimplification)
        rc2 = QgsRenderContext(rc)
        self.assertEqual(rc2.vectorSimplifyMethod().simplifyHints(),
                         QgsVectorSimplifyMethod.NoSimplification)

        method = QgsVectorSimplifyMethod()
        method.setSimplifyHints(QgsVectorSimplifyMethod.GeometrySimplification)
        ms.setSimplifyMethod(method)

        rc = QgsRenderContext.fromMapSettings(ms)
        self.assertEqual(rc.vectorSimplifyMethod().simplifyHints(),
                         QgsVectorSimplifyMethod.GeometrySimplification)

        rc2 = QgsRenderContext(rc)
        self.assertEqual(rc2.vectorSimplifyMethod().simplifyHints(),
                         QgsVectorSimplifyMethod.GeometrySimplification)
    def testCustomRenderingFlags(self):
        rc = QgsRenderContext()
        rc.setCustomRenderingFlag('myexport', True)
        rc.setCustomRenderingFlag('omitgeometries', 'points')
        self.assertTrue(rc.customRenderingFlags()['myexport'])
        self.assertEqual(rc.customRenderingFlags()['omitgeometries'], 'points')

        # test that custom flags are correctly copied from settings
        settings = QgsMapSettings()
        settings.setCustomRenderingFlag('myexport', True)
        settings.setCustomRenderingFlag('omitgeometries', 'points')
        rc = QgsRenderContext.fromMapSettings(settings)
        self.assertTrue(rc.customRenderingFlags()['myexport'])
        self.assertEqual(rc.customRenderingFlags()['omitgeometries'], 'points')
    def testGettersSetters(self):
        """
        Basic getter/setter tests
        """
        c = QgsRenderContext()

        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        self.assertEqual(c.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysText)
        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        self.assertEqual(c.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysOutlines)

        c.setMapExtent(QgsRectangle(1, 2, 3, 4))
        self.assertEqual(c.mapExtent(), QgsRectangle(1, 2, 3, 4))
Beispiel #46
0
    def testConvertToPainterUnits(self):
        # test QgsSymbolLayerUtils::convertToPainterUnits() using QgsMapUnitScale

        ms = QgsMapSettings()
        ms.setExtent(QgsRectangle(0, 0, 100, 100))
        ms.setOutputSize(QSize(100, 50))
        ms.setOutputDpi(300)
        r = QgsRenderContext.fromMapSettings(ms)

        # renderer scale should be about 1:291937841

        # start with no min/max scale
        c = QgsMapUnitScale()

        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 66.9601332, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)

        # minimum size greater than the calculated size, so size should be limited to minSizeMM
        c.minSizeMM = 5
        c.minSizeMMEnabled = True
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 59.0551181, places=5)
        # only conversion from mapunits should be affected
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 66.9601332, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)
        c.minSizeMMEnabled = False

        # maximum size less than the calculated size, so size should be limited to maxSizeMM
        c.maxSizeMM = 0.1
        c.maxSizeMMEnabled = True
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMapUnits, c)
        self.assertAlmostEqual(size, 1.0, places=5)
        # only conversion from mapunits should be affected
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderMillimeters, c)
        self.assertAlmostEqual(size, 23.622047, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPoints, c)
        self.assertAlmostEqual(size, 66.9601332, places=5)
        size = QgsSymbolLayerUtils.convertToPainterUnits(
            r, 2, QgsUnitTypes.RenderPixels, c)
        self.assertAlmostEqual(size, 2.0, places=5)
Beispiel #47
0
    def apply_masks(self, layer_bound):
        layers = QgsProject.instance().mapLayers().values()
        mask_dict = {}

        #Creating symbol layer reference list
        grid_symbol_ref_list = []
        renderer = layer_bound.renderer()
        grid_symbol_rule_id = renderer.rootRule().children()[0].ruleKey()
        layer_id = layer_bound.id()
        symbol_list = renderer.symbols(QgsRenderContext())
        symbol_layer_list = symbol_list[0].symbolLayers()
        for smb in range(1, len(symbol_layer_list)):
            idx_list = []
            idx_list.append(smb)
            idx_list.append(0)
            symbol_id = QgsSymbolLayerId(grid_symbol_rule_id, idx_list)
            temp = QgsSymbolLayerReference(layer_id, symbol_id)
            grid_symbol_ref_list.append(temp)

        #Listing available label masks
        for layer in layers:
            if not layer.type() == QgsMapLayer.VectorLayer:
                continue
            labels = layer.labeling()
            if not labels:
                continue
            providers = []
            if isinstance(labels, QgsVectorLayerSimpleLabeling):
                providers.append('--SINGLE--RULE--')
            if isinstance(labels, QgsRuleBasedLabeling):
                providers = [x.ruleKey() for x in labels.rootRule().children()]

            for provider in providers:
                if provider == '--SINGLE--RULE--':
                    label_settings = labels.settings()
                else:
                    label_settings = labels.settings(provider)
                label_format = label_settings.format()
                masks = label_format.mask()
                if not masks.enabled():
                    continue

                #Applying available lable masks to grid layer symbology
                mask_symbol_list = masks.maskedSymbolLayers()
                new_symbol_mask = []
                for item in mask_symbol_list:
                    if item.layerId() == layer_id:
                        continue
                    new_symbol_mask.append(item)
                for item in grid_symbol_ref_list:
                    new_symbol_mask.append(item)

                masks.setMaskedSymbolLayers(new_symbol_mask)
                label_format.setMask(masks)
                label_settings.setFormat(label_format)
                if provider == '--SINGLE--RULE--':
                    labels.setSettings(label_settings)
                else:
                    labels.setSettings(label_settings, provider)

            layer.setLabeling(labels)

        return
Beispiel #48
0
    def testRenderWithTransform(self):
        layer = QgsAnnotationLayer(
            'test',
            QgsAnnotationLayer.LayerOptions(
                QgsProject.instance().transformContext()))
        self.assertTrue(layer.isValid())

        item = QgsAnnotationPolygonItem(
            QgsPolygon(
                QgsLineString([
                    QgsPoint(11.5, 13),
                    QgsPoint(12, 13),
                    QgsPoint(12, 13.5),
                    QgsPoint(11.5, 13)
                ])))
        item.setSymbol(
            QgsFillSymbol.createSimple({
                'color': '200,100,100',
                'outline_color': 'black',
                'outline_width': '2'
            }))
        item.setZIndex(1)
        layer.addItem(item)

        item = QgsAnnotationLineItem(
            QgsLineString(
                [QgsPoint(11, 13),
                 QgsPoint(12, 13),
                 QgsPoint(12, 15)]))
        item.setSymbol(
            QgsLineSymbol.createSimple({
                'color': '#ffff00',
                'line_width': '3'
            }))
        item.setZIndex(2)
        layer.addItem(item)

        item = QgsAnnotationMarkerItem(QgsPoint(12, 13))
        item.setSymbol(
            QgsMarkerSymbol.createSimple({
                'color': '100,200,200',
                'size': '6',
                'outline_color': 'black'
            }))
        item.setZIndex(3)
        layer.addItem(item)

        layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))

        settings = QgsMapSettings()
        settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
        settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
        settings.setOutputSize(QSize(300, 300))

        settings.setFlag(QgsMapSettings.Antialiasing, False)

        rc = QgsRenderContext.fromMapSettings(settings)
        rc.setCoordinateTransform(
            QgsCoordinateTransform(layer.crs(), settings.destinationCrs(),
                                   QgsProject.instance()))
        image = QImage(200, 200, QImage.Format_ARGB32)
        image.setDotsPerMeterX(96 / 25.4 * 1000)
        image.setDotsPerMeterY(96 / 25.4 * 1000)
        image.fill(QColor(255, 255, 255))
        painter = QPainter(image)
        rc.setPainter(painter)

        try:
            renderer = layer.createMapRenderer(rc)
            renderer.render()
        finally:
            painter.end()

        self.assertTrue(
            self.imageCheck('layer_render_transform', 'layer_render_transform',
                            image))
Beispiel #49
0
    def getMatchingFeatures(self, geometry, contains, singleSelect):
        newFeatures = []
        if geometry.type() != QgsWkbTypes.PolygonGeometry:
            return newFeatures

        layer = self.canvas.currentLayer()
        if layer is None:
            return newFeatures

        selectGeomTrans = QgsGeometry(geometry)
        try:
            ct = QgsCoordinateTransform(self.canvas.mapSettings().destinationCrs(), layer.crs(), QgsProject.instance())
            if not ct.isShortCircuited() and selectGeomTrans.type() == QgsWkbTypes.PolygonGeometry:
                poly = selectGeomTrans.asPolygon()
                if len(poly) == 1 and len(poly[0]) == 5:
                    ringIn = poly[0]
                    ringOut = []
                    ringOut.append(ringIn[0])
                    i = 1
                    for j in range(1, 5):
                        v = QgsVector((ringIn[j] - ringIn[j - 1]) / 10.0)
                        for k in range(9):
                            ringOut.append(ringOut[i - 1] + v)
                            i += 1
                        ringOut.append(ringIn[j])
                        i += 1
                    selectGeomTrans = QgsGeometry.fromPolygonXY([ringOut])

            selectGeomTrans.transform(ct)
        except QgsCsException as e:
            QgsMessageLog.logMessage("Selection extends beyond layer's coordinate system")
            return newFeatures

        context = QgsRenderContext.fromMapSettings(self.canvas.mapSettings())
        context.expressionContext().appendScope(QgsExpressionContextUtils.layerScope(layer))

        r = None
        if layer.renderer():
            r = layer.renderer().clone()
            r.startRender(context, layer.fields())

        request = QgsFeatureRequest()
        request.setFilterRect(selectGeomTrans.boundingBox())
        request.setFlags(QgsFeatureRequest.ExactIntersect)

        if r:
            request.setSubsetOfAttributes(r.usedAttributes(context), layer.fields())
        else:
            request.setSubsetOfAttributes([])

        closestFeatureId = 0
        foundSingleFeature = False
        closestFeatureDist = sys.float_info.max
        for f in layer.getFeatures(request):
            context.expressionContext().setFeature(f)
            if r and  not r.willRenderFeature(f, context):
                continue

            g = f.geometry()
            if contains:
                if not selectGeomTrans.contains(g):
                    continue

            else:
                if not selectGeomTrans.intersects(g):
                    continue

            if singleSelect:
                foundSingleFeature = True
                distance = g.distance(selectGeomTrans)
                if distance <= closestFeatureDist:
                    closestFeatureDist = distance
                    closestFeatureId = f.id()
            else:
                newFeatures.append(f.id())

        if singleSelect and foundSingleFeature:
            newFeatures.append(closestFeatureId)

        if r:
            r.stopRender(context)

        return newFeatures
    def on_click_Inici(self):
        llistaErrors = self.controlErrorsValida()
        if len(llistaErrors) != 0:
            llista = "Llista d'errors:\n\n"
            for i in range(0, len(llistaErrors)):
                llista += ("- " + llistaErrors[i] + '\n')
            QMessageBox.information(None, "Error", llista)
            return

        textBox = 'INICI DEL PROCÉS DE VALIDACIÓ:\n'
        textBox += 'Elminació dels vertex:'
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()
        conta_errors = 0
        self.barraEstat_processant()
        drop = 'DROP TABLE IF EXISTS "GTC_Update"."UpdateGTC_vertices_pgr";'
        try:
            cur.execute(drop)
            conn.commit()
        except Exception as e:
            print("ERROR drop vertexs GTC per actualitzar")
            self.barraEstat_connectat()
            print(e.message, e.args)
        textBox += '...OK\n'
        textBox += 'Creació d\'una nova topologia'
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()

        create = 'select pgr_createTopology(\'GTC_Update.UpdateGTC\', 0.001,clean:=true);'
        try:
            cur.execute(create)
            vec = cur.fetchall()
            conn.commit()
            if vec[0][0] != 'OK':
                QMessageBox.information(
                    None, "Error", "No s'ha creat la topologia correctament.")
                print(vec)
                return
        except Exception as e:
            self.barraEstat_connectat()
            print("ERROR create vertexs GTC per actualitzar")
            print(e.message, e.args)

        textBox += '...OK\n'
        textBox += 'Comprovació de la nova topologia'
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()

        create = 'SELECT pgr_analyzeGraph(\'GTC_Update.UpdateGTC\', 0.001);'
        try:
            cur.execute(create)
            vec = cur.fetchall()
            conn.commit()
            if vec[0][0] != 'OK':
                QMessageBox.information(
                    None, "Error", "S'ha detectat un error a la topologia.")
                self.barraEstat_connectat()
                return
        except Exception as e:
            self.barraEstat_connectat()
            print("ERROR create vertexs GTC per actualitzar")
            print(e.message, e.args)

        textBox += '...OK\n'
        textBox += 'Comprovació dels punts amb possibles errors: '
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()

        select = 'SELECT * FROM "GTC_Update"."UpdateGTC_vertices_pgr" WHERE chk = 1;'
        try:
            cur.execute(select)
            vec = cur.fetchall()
            conn.commit()
            if (len(vec) != 0):
                uri = QgsDataSourceUri()
                try:
                    uri.setConnection(host1, port1, nomBD1, usuari1, contra1)
                except:
                    print("Error a la connexio")

                select = 'SELECT * FROM "GTC_Update"."UpdateGTC_vertices_pgr" WHERE chk = 1'
                QApplication.processEvents()
                uri.setDataSource("", "(" + select + ")", "the_geom", "", "id")
                QApplication.processEvents()
                '''
                #    13.2 Es prepara el titol de la capa que apareixerà a la llegenda
                '''
                titol = "Nodes a revisar"
                vlayer = QgsVectorLayer(uri.uri(False), titol, "postgres")
                QApplication.processEvents()

                if vlayer.isValid():
                    symbols = vlayer.renderer().symbols(QgsRenderContext())
                    symbol = symbols[0]
                    '''S'afegeix el color a la nova entitat'''
                    symbol.setColor(QColor.fromRgb(255, 0, 0))
                    QgsProject.instance().addMapLayer(vlayer, False)
                    root = QgsProject.instance().layerTreeRoot()
                    myLayerNode = QgsLayerTreeLayer(vlayer)
                    root.insertChildNode(0, myLayerNode)
                    myLayerNode.setCustomProperty("showFeatureCount", False)
                    QApplication.processEvents()
                    ''''S'afegeix la capa a la pantalla'''
                    iface.mapCanvas().refresh()
                    #qgis.utils.iface.legendInterface().refreshLayerSymbology(vlayer)
                else:
                    print("No s'ha carregat la capa de punts")
                self.barraEstat_connectat()
                QApplication.processEvents()
                textBox += 'S\'ha(n) detectat ' + str(
                    len(vec)) + ' punt(s) amb possibles errades.\n'
                self.dlg.text_info.setText(textBox)
                self.MouText()
                QApplication.processEvents()
                return
        except Exception as e:
            self.barraEstat_connectat()
            print("ERROR create vertexs GTC per actualitzar")
            print(e.message[0].decode('utf8'), e.args)
            return

        textBox += 'No s\'han detectat errades.\n'
        textBox += 'Detecció de trams aïllats: '
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()

        select = 'SELECT a.* FROM "GTC_Update"."UpdateGTC" a, "GTC_Update"."UpdateGTC_vertices_pgr" b, "GTC_Update"."UpdateGTC_vertices_pgr" c WHERE a.source=b.id AND b.cnt=1 AND a.target=c.id AND c.cnt=1;'
        try:
            cur.execute(select)
            vec = cur.fetchall()
            conn.commit()
            if (len(vec) != 0):
                uri = QgsDataSourceUri()
                try:
                    uri.setConnection(host1, port1, nomBD1, usuari1, contra1)
                except:
                    print("Error a la connexio")

                select = 'SELECT a.* FROM "GTC_Update"."UpdateGTC" a, "GTC_Update"."UpdateGTC_vertices_pgr" b, "GTC_Update"."UpdateGTC_vertices_pgr" c WHERE a.source=b.id AND b.cnt=1 AND a.target=c.id AND c.cnt=1'
                QApplication.processEvents()
                uri.setDataSource("", "(" + select + ")", "the_geom", "", "id")
                QApplication.processEvents()
                '''
                #    13.2 Es prepara el titol de la capa que apareixerà a la llegenda
                '''
                titol = "Trams sense connectivitat a revisar"
                vlayer = QgsVectorLayer(uri.uri(False), titol, "postgres")
                QApplication.processEvents()

                if vlayer.isValid():
                    symbols = vlayer.renderer().symbols(QgsRenderContext())
                    symbol = symbols[0]
                    '''S'afegeix el color a la nova entitat'''
                    symbol.setColor(QColor.fromRgb(255, 0, 0))
                    symbol.setWidth(1)
                    QgsProject.instance().addMapLayer(vlayer, False)
                    root = QgsProject.instance().layerTreeRoot()
                    myLayerNode = QgsLayerTreeLayer(vlayer)
                    root.insertChildNode(0, myLayerNode)
                    myLayerNode.setCustomProperty("showFeatureCount", False)
                    QApplication.processEvents()
                    ''''S'afegeix la capa a la pantalla'''
                    iface.mapCanvas().refresh()
                    #qgis.utils.iface.legendInterface().refreshLayerSymbology(vlayer)
                else:
                    print("No s'ha carregat la capa de segments aïllats")
                self.barraEstat_connectat()
                QApplication.processEvents()
                textBox += 'S\'ha(n) detectat ' + str(
                    len(vec)) + ' tram(s) aïllat(s).\n'
                self.dlg.text_info.setText(textBox)
                self.MouText()
                QApplication.processEvents()
                return
        except Exception as e:
            self.barraEstat_connectat()
            print("ERROR Segments aillats")
            print(e.message, e.args)
            return

        textBox += 'No s\'han detectat segments aïllats.\n'
        self.dlg.text_info.setText(textBox)
        self.MouText()
        QApplication.processEvents()

        #==============================================
        #    1. LINIES AMB DOS PUNTS I CAMP SOURCE
        #==============================================
        self.barraEstat_processant()
        sql_xarxa = 'select distinct(R.id) id,R.source Vertex, camp from (select S."the_geom",S."id",st_x(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_startpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr")) union '
        sql_xarxa += 'select S."the_geom",S."id",st_x(st_endpoint(S."the_geom")),S."target", \'T\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_endpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_startpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_endpoint(S."the_geom")),S."target",\'T\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_endpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )))R where (ST_NPoints(R.the_geom)=2 and R.camp=\'S\') order by R.id,R.source;'
        #print sql_xarxa
        try:
            cur.execute(sql_xarxa)
            vec = cur.fetchall()
            conta_errors += len(vec)
            #print str(len(vec))
            for x in range(0, len(vec)):
                sql_1 = 'select "source","target" from "GTC_Update"."UpdateGTC" where "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(sql_1)
                vec2 = cur.fetchall()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][1]) + '),1) WHERE "id"=' + str(vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, 0) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][0]) + '),0) WHERE "id"=' + str(vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, ST_NPoints(the_geom) - 1) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
        except Exception as e:
            print(e.message, e.args)
            print("ERROR SQL_XARXA")
        #==============================================
        #    2. LINIES AMB DOS PUNTS I CAMP TARGET
        #==============================================
        sql_xarxa = 'select distinct(R.id) id,R.source Vertex, camp from (select S."the_geom",S."id",st_x(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_startpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr")) union '
        sql_xarxa += 'select S."the_geom",S."id",st_x(st_endpoint(S."the_geom")),S."target", \'T\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_endpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_startpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_endpoint(S."the_geom")),S."target",\'T\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_endpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )))R where (ST_NPoints(R.the_geom)=2 and R.camp=\'T\') order by R.id,R.source;'
        #print sql_xarxa
        try:
            cur.execute(sql_xarxa)
            vec = cur.fetchall()
            conta_errors += len(vec)
            #print str(len(vec))
            for x in range(0, len(vec)):
                sql_1 = 'select "source","target" from "GTC_Update"."UpdateGTC" where "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(sql_1)
                vec2 = cur.fetchall()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][0]) + '),0) WHERE "id"=' + str(vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, ST_NPoints(the_geom) - 1) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][1]) + '),ST_NPoints(the_geom)) WHERE "id"=' + str(
                        vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, 0) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
        except Exception as e:
            print(e.message, e.args)
            print("ERROR SQL_XARXA")

        #==============================================
        #    3. LINIES AMB MES DE DOS PUNTS I CAMP SOURCE
        #==============================================

        sql_xarxa = 'select distinct(R.id) id,R.source Vertex, camp from (select S."the_geom",S."id",st_x(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_startpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr")) union '
        sql_xarxa += 'select S."the_geom",S."id",st_x(st_endpoint(S."the_geom")),S."target", \'T\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_endpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_startpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_endpoint(S."the_geom")),S."target",\'T\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_endpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )))R where (ST_NPoints(R.the_geom)<>2 and R.camp=\'S\') order by R.id,R.source;'
        #print sql_xarxa
        try:
            cur.execute(sql_xarxa)
            vec = cur.fetchall()
            conta_errors += len(vec)
            #print str(len(vec))
            for x in range(0, len(vec)):
                sql_1 = 'select "source","target" from "GTC_Update"."UpdateGTC" where "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(sql_1)
                vec2 = cur.fetchall()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, 0) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][0]) + '),0) WHERE "id"=' + str(vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
        except Exception as e:
            print(e.message, e.args)
            print("ERROR SQL_XARXA")

        #==============================================
        #    4. LINIES AMB MES DE DOS PUNTS I CAMP TARGET
        #==============================================
        sql_xarxa = 'select distinct(R.id) id,R.source Vertex, camp from (select S."the_geom",S."id",st_x(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_startpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr")) union '
        sql_xarxa += 'select S."the_geom",S."id",st_x(st_endpoint(S."the_geom")),S."target", \'T\' camp from "GTC_Update"."UpdateGTC" S where (st_x(st_endpoint(S."the_geom")) not in (select st_x("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_startpoint(S."the_geom")),S."source",\'S\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_startpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )) union '
        sql_xarxa += 'select S."the_geom",S."id",st_y(st_endpoint(S."the_geom")),S."target",\'T\' camp from "GTC_Update"."UpdateGTC" S where (st_y(st_endpoint(S."the_geom")) not in (select st_y("GTC_Update"."UpdateGTC_vertices_pgr"."the_geom") from "GTC_Update"."UpdateGTC_vertices_pgr" )))R where (ST_NPoints(R.the_geom)<>2 and R.camp=\'T\') order by R.id,R.source;'
        #print sql_xarxa
        try:
            cur.execute(sql_xarxa)
            vec = cur.fetchall()
            conta_errors += len(vec)
            #print str(len(vec))
            for x in range(0, len(vec)):
                sql_1 = 'select "source","target" from "GTC_Update"."UpdateGTC" where "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(sql_1)
                vec2 = cur.fetchall()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_RemovePoint(the_geom, ST_NPoints(the_geom) - 1) WHERE "id"=' + str(
                    vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()
                update = 'UPDATE "GTC_Update"."UpdateGTC" SET the_geom = ST_AddPoint(the_geom, (select "the_geom" from "GTC_Update"."UpdateGTC_vertices_pgr" where id=' + str(
                    vec2[0][1]) + '),ST_NPoints(the_geom)) WHERE "id"=' + str(
                        vec[x][0]) + ';'
                cur.execute(update)
                conn.commit()

        except Exception as e:
            print(e.message, e.args)
            print("ERROR SQL_XARXA")

        if conta_errors != 0:
            llista = "Errors trobats i reparats:"
            llista += (' ' + str(conta_errors) + '\n')
        else:
            llista = "No s'han detectat errors\n"
        textBox += llista
        self.dlg.text_info.setText(textBox)
        self.MouText()

        #UPDATE CAMPS DE CONTROL
        update = 'UPDATE "GTC_Update"."ControlActualitzacio" set modificant = false, modificat=true, "horaModificacio" = NULL, "usuariModificador" = NULL;'

        try:
            cur.execute(update)
            conn.commit()
            html = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"><html><head><meta name="qrichtext" content="1" /><style type="text/css">p, li { white-space: pre-wrap; }</style></head><body style=" font-family:\'MS Shell Dlg 2\'; font-size:10pt; font-weight:400; font-style:normal;"><div style=\"align:center\"><span style=\"background:#00FF00;font-size:14pt\">GRAF VALIDAT!<\span><\div></body></html>'
            self.dlg.text_info.insertHtml(html)
            self.MouText()
        except Exception as e:
            print(e.message, e.args)
            print(
                "ERROR update Control (modificant,modificat, paraula clau, timestamp"
            )

        self.barraEstat_connectat()
Beispiel #51
0
 def testTemporalState(self):
     rc = QgsRenderContext()
     self.assertEqual(rc.isTemporal(), False)
     self.assertIsNotNone(rc.temporalRange())
Beispiel #52
0
    def testCopyConstructor(self):
        """
        Test the copy constructor
        """
        c1 = QgsRenderContext()

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)

        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysText)

        c1.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        c2 = QgsRenderContext(c1)
        self.assertEqual(c2.textRenderFormat(),
                         QgsRenderContext.TextFormatAlwaysOutlines)
    def testGettersSetters(self):
        """
        Basic getter/setter tests
        """
        c = QgsRenderContext()

        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysText)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysText)
        c.setTextRenderFormat(QgsRenderContext.TextFormatAlwaysOutlines)
        self.assertEqual(c.textRenderFormat(), QgsRenderContext.TextFormatAlwaysOutlines)

        c.setMapExtent(QgsRectangle(1, 2, 3, 4))
        self.assertEqual(c.mapExtent(), QgsRectangle(1, 2, 3, 4))

        self.assertTrue(c.zRange().isInfinite())
        c.setZRange(QgsDoubleRange(1, 10))
        self.assertEqual(c.zRange(), QgsDoubleRange(1, 10))
    def testUsedAttributes(self):
        layer, renderer, mapsettings = self._setUp()
        ctx = QgsRenderContext.fromMapSettings(mapsettings)

        self.assertCountEqual(renderer.usedAttributes(ctx), {})
    def processAlgorithm(self, parameters, context, feedback):
        self.parameters = parameters
        self.context = context
        self.feedback = feedback
        filename = self.parameterAsFileOutput(parameters, self.PrmOutputKmz,
                                              context)
        source = self.parameterAsSource(parameters, self.PrmInputLayer,
                                        context)

        # Before we go further check to make sure we have a valid vector layer
        wkbtype = source.wkbType()
        geomtype = QgsWkbTypes.geometryType(wkbtype)
        if geomtype == QgsWkbTypes.UnknownGeometry or geomtype == QgsWkbTypes.NullGeometry:
            raise QgsProcessingException(
                'Algorithm input is not a valid point, line, or polygon layer.'
            )
        layer = self.parameterAsLayer(parameters, self.PrmInputLayer, context)
        if self.PrmNameField not in parameters or parameters[
                self.PrmNameField] is None:
            name_field = None
        else:
            name_field = self.parameterAsString(parameters, self.PrmNameField,
                                                context)
        desc_fields = self.parameterAsFields(parameters,
                                             self.PrmDescriptionField, context)
        desc_cnt = len(desc_fields)
        export_style = self.parameterAsInt(parameters, self.PrmExportStyle,
                                           context)
        if self.PrmUseGoogleIcon not in parameters or parameters[
                self.PrmUseGoogleIcon] is None:
            google_icon = None
        else:
            google_icon = self.parameterAsEnum(parameters,
                                               self.PrmUseGoogleIcon, context)
        self.line_width_factor = self.parameterAsDouble(
            parameters, self.PrmLineWidthFactor, context)
        alt_interpret = self.parameterAsEnum(parameters,
                                             self.PrmAltitudeInterpretation,
                                             context)
        if self.PrmAltitudeMode not in parameters or parameters[
                self.PrmAltitudeMode] is None:
            default_alt_mode = None
        else:
            default_alt_mode = ALTITUDE_MODES[self.parameterAsEnum(
                parameters, self.PrmAltitudeMode, context)]
        alt_mode_field = self.parameterAsString(parameters,
                                                self.PrmAltitudeModeField,
                                                context)
        altitude_field = self.parameterAsString(parameters,
                                                self.PrmAltitudeField, context)
        altitude_addend = self.parameterAsDouble(parameters,
                                                 self.PrmAltitudeAddend,
                                                 context)
        date_time_stamp_field = self.parameterAsString(
            parameters, self.PrmDateTimeStampField, context)
        date_stamp_field = self.parameterAsString(parameters,
                                                  self.PrmDateStampField,
                                                  context)
        time_stamp_field = self.parameterAsString(parameters,
                                                  self.PrmTimeStampField,
                                                  context)
        date_time_begin_field = self.parameterAsString(
            parameters, self.PrmDateTimeBeginField, context)
        date_begin_field = self.parameterAsString(parameters,
                                                  self.PrmDateBeginField,
                                                  context)
        time_begin_field = self.parameterAsString(parameters,
                                                  self.PrmTimeBeginField,
                                                  context)
        date_time_end_field = self.parameterAsString(parameters,
                                                     self.PrmDateTimeEndField,
                                                     context)
        date_end_field = self.parameterAsString(parameters,
                                                self.PrmDateEndField, context)
        time_end_field = self.parameterAsString(parameters,
                                                self.PrmTimeEndField, context)
        if self.PrmPhotoField not in parameters or parameters[
                self.PrmPhotoField] is None:
            photo_path_field = None
        else:
            photo_path_field = self.parameterAsString(parameters,
                                                      self.PrmPhotoField,
                                                      context)
        self.photos = {}

        hasz = QgsWkbTypes.hasZ(wkbtype)
        if alt_interpret == 0:
            hasz = False
            default_alt_mode = None
            alt_mode_field = None
            altitude_field = None
        elif alt_interpret == 2:
            hasz = False
        src_crs = source.sourceCrs()
        if src_crs != self.epsg4326:
            geomTo4326 = QgsCoordinateTransform(src_crs, self.epsg4326,
                                                QgsProject.instance())

        self.symcontext = QgsRenderContext.fromMapSettings(
            settings.canvas.mapSettings())
        self.png_icons = []
        self.cat_styles = {}
        kml = simplekml.Kml()
        kml.resetidcounter()
        if layer:
            try:
                self.render = layer.renderer()
                self.exp_context = QgsExpressionContext()
                self.exp_context.appendScopes(
                    QgsExpressionContextUtils.globalProjectLayerScopes(layer))
            except Exception:
                if export_style:
                    export_style = 0
                    feedback.reportError(
                        'Layer style cannot be determined. Processing will continue without symbol style export.'
                    )
        else:
            if export_style:
                feedback.reportError(
                    'There appears to be a valid source, but not a valid layer style. Processing will continue without symbol style export.'
                )
                export_style = 0
        if export_style:
            render_type = self.render.type()
            if render_type == 'singleSymbol':
                export_style = 1
            elif render_type == 'categorizedSymbol':
                style_field = self.render.classAttribute()
                self.field_exp = QgsExpression(style_field)
                export_style = 2
            elif render_type == 'graduatedSymbol':
                style_field = self.render.classAttribute()
                self.field_exp = QgsExpression(style_field)
                export_style = 3
            else:
                feedback.reportError(
                    'Only single, categorized, and graduated symbol styles can be exported. Processing will continue without symbol style export.'
                )
                export_style = 0
            if export_style:
                self.initStyles(export_style, google_icon, name_field,
                                geomtype, kml)

        folder = kml.newfolder(name=source.sourceName())
        altitude = 0
        featureCount = source.featureCount()
        total = 100.0 / featureCount if featureCount else 0
        num_features = 0
        iterator = source.getFeatures()
        for cnt, feature in enumerate(iterator):
            if feedback.isCanceled():
                break
            num_features += 1
            if altitude_field:
                try:
                    altitude = float(feature[altitude_field])
                except Exception:
                    altitude = 0
            geom = feature.geometry()
            if src_crs != self.epsg4326:
                geom.transform(geomTo4326)
            if geom.isMultipart() or (name_field and geomtype
                                      == QgsWkbTypes.PolygonGeometry):
                kmlgeom = folder.newmultigeometry()
                kml_item = kmlgeom
            else:
                kmlgeom = folder
                kml_item = None
            if geomtype == QgsWkbTypes.PointGeometry:  # POINTS
                for pt in geom.parts():
                    kmlpart = kmlgeom.newpoint()
                    self.setAltitudeMode(kmlpart, feature, default_alt_mode,
                                         alt_mode_field)
                    if kml_item is None:
                        kml_item = kmlpart
                    if hasz:
                        kmlpart.coords = [(pt.x(), pt.y(),
                                           pt.z() + altitude_addend)]
                    else:
                        kmlpart.coords = [(pt.x(), pt.y(),
                                           altitude + altitude_addend)]
            elif geomtype == QgsWkbTypes.LineGeometry:  # LINES
                for part in geom.parts():
                    kmlpart = kmlgeom.newlinestring()
                    self.setAltitudeMode(kmlpart, feature, default_alt_mode,
                                         alt_mode_field)
                    if kml_item is None:
                        kml_item = kmlpart
                    if hasz:
                        kmlpart.coords = [(pt.x(), pt.y(),
                                           pt.z() + altitude_addend)
                                          for pt in part]
                    else:
                        kmlpart.coords = [(pt.x(), pt.y(),
                                           altitude + altitude_addend)
                                          for pt in part]
            elif geomtype == QgsWkbTypes.PolygonGeometry:  # POLYGONS
                if name_field:
                    centroid = geom.centroid().asPoint()
                    name = '{}'.format(feature[name_field])
                    labelpart = kmlgeom.newpoint(coords=[(centroid.x(),
                                                          centroid.y())],
                                                 name=name)

                for part in geom.parts():
                    kmlpart = kmlgeom.newpolygon()
                    self.setAltitudeMode(kmlpart, feature, default_alt_mode,
                                         alt_mode_field)
                    if kml_item is None:
                        kml_item = kmlpart
                    num_interior_rings = part.numInteriorRings()
                    ext_ring = part.exteriorRing()
                    if hasz:
                        kmlpart.outerboundaryis = [(pt.x(), pt.y(),
                                                    pt.z() + altitude_addend)
                                                   for pt in ext_ring]
                    else:
                        kmlpart.outerboundaryis = [(pt.x(), pt.y(),
                                                    altitude + altitude_addend)
                                                   for pt in ext_ring]
                    if num_interior_rings:
                        ib = []
                        for i in range(num_interior_rings):
                            if hasz:
                                ib.append([(pt.x(), pt.y(),
                                            pt.z() + altitude_addend)
                                           for pt in part.interiorRing(i)])
                            else:
                                ib.append([(pt.x(), pt.y(),
                                            altitude + altitude_addend)
                                           for pt in part.interiorRing(i)])
                        kmlpart.innerboundaryis = ib

            self.exportStyle(kml_item, feature, export_style, geomtype)
            if name_field:
                self.exportName(kml_item, feature[name_field])

            if photo_path_field:
                photo_path = feature[photo_path_field].strip()
                if os.path.exists(photo_path):
                    if not (photo_path in self.photos):
                        local_path = kml.addfile(photo_path)
                        self.photos[photo_path] = local_path
                else:
                    photo_path = None
            else:
                photo_path = None

            if desc_cnt == 1:
                self.exportDescription(kml_item, feature[desc_fields[0]],
                                       photo_path)
            elif desc_cnt > 1:
                self.exportFields(kml_item, desc_fields, feature, photo_path)

            # Process the first date / time fields
            date_time_str = self.parseDateTimeValues(feature,
                                                     date_time_stamp_field,
                                                     date_stamp_field,
                                                     time_stamp_field)
            if date_time_str:
                kml_item.timestamp.when = date_time_str
            date_time_str = self.parseDateTimeValues(feature,
                                                     date_time_begin_field,
                                                     date_begin_field,
                                                     time_begin_field)
            if date_time_str:
                kml_item.timespan.begin = date_time_str
            date_time_str = self.parseDateTimeValues(feature,
                                                     date_time_end_field,
                                                     date_end_field,
                                                     time_end_field)
            if date_time_str:
                kml_item.timespan.end = date_time_str

            if cnt % 100 == 0:
                feedback.setProgress(int(cnt * total))
        if num_features == 0:
            feedback.pushInfo('No features processed')
        else:
            kml.savekmz(filename)

        self.cleanup()

        return ({})
Beispiel #56
0
def writeVector(writer, layerId, properties, progress=None, renderer=None, noFeature=False):
  mapLayer = QgsProject.instance().mapLayer(layerId)
  if mapLayer is None:
    return

  settings = writer.settings
  baseExtent = settings.baseExtent
  progress = progress or dummyProgress

  renderContext = QgsRenderContext.fromMapSettings(settings.mapSettings)
  expContext = settings.mapSettings.expressionContext()
  prop = VectorPropertyReader(writer.objectTypeManager, renderContext, expContext, mapLayer, properties)
  obj_mod = writer.objectTypeManager.module(prop.mod_index)
  if obj_mod is None:
    logMessage("Module not found")
    return

  # prepare triangle mesh
  geom_type = mapLayer.geometryType()
  if geom_type == QgsWkbTypes.PolygonGeometry and prop.type_index == 1 and prop.isHeightRelativeToDEM():   # Overlay
    progress(None, "Initializing triangle mesh for overlay polygons")
    writer.triangleMesh()
    progress(None, "Writing vector layer: {0}".format(mapLayer.name()))

  # write layer object
  layer = VectorLayer(writer, mapLayer, prop, obj_mod)
  writer.writeLayer(layer, layer.fieldNames)

  if noFeature:
    return

  # initialize symbol rendering
  mapLayer.renderer().startRender(renderContext, mapLayer.pendingFields())

  # features to export
  request = QgsFeatureRequest()
  clipGeom = None
  if properties.get("radioButton_IntersectingFeatures", False):
    request.setFilterRect(layer.transform.transformBoundingBox(baseExtent.boundingBox(), QgsCoordinateTransform.ReverseTransform))
    if properties.get("checkBox_Clip"):
      extent = baseExtent.clone().scale(0.999999)   # clip with slightly smaller extent than map canvas extent
      clipGeom = extent.geometry()

  for feat in layer.features(request, clipGeom):
    if writer.isCanceled:
      break

    # write feature
    obj_mod.write(writer, layer, feat)   # writer.writeFeature(layer, feat, obj_mod)

    # stack attributes in writer
    if layer.writeAttrs:
      writer.addAttributes(feat.attributes())

  # write attributes
  if layer.writeAttrs:
    writer.writeAttributes()

  # write materials
  writer.writeMaterials(layer.materialManager)

  mapLayer.renderer().stopRender(renderContext)
Beispiel #57
0
    def build(self, build_blocks=False):
        mapLayer = self.layer.mapLayer
        if mapLayer is None:
            return

        properties = self.layer.properties
        baseExtent = self.settings.baseExtent
        mapSettings = self.settings.mapSettings
        renderContext = QgsRenderContext.fromMapSettings(mapSettings)

        self.prop = VectorPropertyReader(objectTypeRegistry(), renderContext,
                                         mapLayer, properties)
        if self.prop.objType is None:
            logMessage("Object type not found")
            return

        # prepare triangle mesh
        if self.prop.objType.name == "Overlay" and self.prop.isHeightRelativeToDEM(
        ):
            # get the grid size of the DEM layer which polygons overlay
            demProp = self.settings.getPropertyReaderByLayerId(
                properties.get("comboBox_altitudeMode"))
            if demProp:
                self.demSize = demProp.demSize(mapSettings.outputSize())

        layer = VectorLayer(self.settings, mapLayer, self.prop,
                            self.materialManager, self.modelManager)
        self._layer = layer

        self.hasLabel = layer.hasLabel()
        self.clipGeom = None

        # feature request
        request = QgsFeatureRequest()
        if properties.get("radioButton_IntersectingFeatures", False):
            request.setFilterRect(
                layer.transform.transformBoundingBox(
                    baseExtent.boundingBox(),
                    QgsCoordinateTransform.ReverseTransform))

            # geometry for clipping
            if properties.get(
                    "checkBox_Clip"
            ) and self.prop.objType.name != "Triangular Mesh":
                extent = baseExtent.clone().scale(
                    0.999999
                )  # clip with slightly smaller extent than map canvas extent
                self.clipGeom = extent.geometry()

        # initialize symbol rendering, and then get features (geometry, attributes, color, etc.)
        mapLayer.renderer().startRender(renderContext, mapLayer.fields())
        self.features = layer.features(request)
        mapLayer.renderer().stopRender(renderContext)

        # materials/models
        data = {}
        if self.prop.objType.name != "Model File":
            for feat in self.features:
                feat.material = self.prop.objType.material(
                    self.settings, layer, feat)
                feat.model = None
            data["materials"] = self.materialManager.buildAll(
                self.imageManager,
                self.pathRoot,
                self.urlRoot,
                base64=self.settings.base64)

        else:
            for feat in self.features:
                feat.material = None
                feat.model = self.prop.objType.model(self.settings, layer,
                                                     feat)
            data["models"] = self.modelManager.build(self.pathRoot is not None)

        if build_blocks:
            data["blocks"] = [block.build() for block in self.blocks()]

        d = {
            "type": "layer",
            "id": self.layer.jsLayerId,
            "properties": self.layerProperties(),
            "data": data
        }

        if DEBUG_MODE:
            d["PROPERTIES"] = properties
        return d
    def testQgsGraduatedSymbolRenderer_1(self):
        """Test QgsGraduatedSymbolRenderer: Basic get/set functions """

        # Create a renderer
        renderer = QgsGraduatedSymbolRenderer()

        symbol = createMarkerSymbol()
        renderer.setSourceSymbol(symbol.clone())
        self.assertEqual(symbol.dump(), renderer.sourceSymbol().dump(), "Get/set renderer source symbol")

        attr = '"value"*"value"'
        renderer.setClassAttribute(attr)
        self.assertEqual(attr, renderer.classAttribute(), "Get/set renderer class attribute")

        for m in (
            QgsGraduatedSymbolRenderer.Custom,
            QgsGraduatedSymbolRenderer.EqualInterval,
            QgsGraduatedSymbolRenderer.Quantile,
            QgsGraduatedSymbolRenderer.Jenks,
            QgsGraduatedSymbolRenderer.Pretty,
            QgsGraduatedSymbolRenderer.StdDev,
        ):
            renderer.setMode(m)
            self.assertEqual(m, renderer.mode(), "Get/set renderer mode")

        format = createLabelFormat()
        renderer.setLabelFormat(format)
        self.assertEqual(
            dumpLabelFormat(format),
            dumpLabelFormat(renderer.labelFormat()),
            "Get/set renderer label format")

        ramp = createColorRamp()
        renderer.setSourceColorRamp(ramp)
        self.assertEqual(
            dumpColorRamp(ramp),
            dumpColorRamp(renderer.sourceColorRamp()),
            "Get/set renderer color ramp")

        renderer.setInvertedColorRamp(True)
        self.assertTrue(renderer.invertedColorRamp(),
                        "Get/set renderer inverted color ramp")
        renderer.setInvertedColorRamp(False)
        self.assertFalse(renderer.invertedColorRamp(),
                         "Get/set renderer inverted color ramp")

        renderer.setSourceColorRamp(ramp)
        self.assertEqual(
            dumpColorRamp(ramp),
            dumpColorRamp(renderer.sourceColorRamp()),
            "Get/set renderer color ramp")

        # test for classificatio with varying size
        renderer.setGraduatedMethod(QgsGraduatedSymbolRenderer.GraduatedSize)
        renderer.setSourceColorRamp(None)
        renderer.addClassLowerUpper(0, 2)
        renderer.addClassLowerUpper(2, 4)
        renderer.addClassLowerUpper(4, 6)
        renderer.setSymbolSizes(2, 13)
        self.assertEqual(renderer.maxSymbolSize(), 13)
        self.assertEqual(renderer.minSymbolSize(), 2)
        refSizes = [2, (13 + 2) * .5, 13]
        ctx = QgsRenderContext()
        for idx, symbol in enumerate(renderer.symbols(ctx)):
            self.assertEqual(symbol.size(), refSizes[idx])
Beispiel #59
0
    def testReprojectionErrorsWhileRendering(self):
        # WKT of a polygon which causes reprojection errors while rendering
        # (apologies for the ridiculously complex wkt, but I can't find a way to reproduce with simplifiction)
        wkt = 'MultiPolygon (((16.93392988400009358 42.77094147300012139, 16.88493899800005238 42.72939687700012712, ' \
              '16.80298912900011032 42.76349518400014915, 16.85816491000014139 42.78400299700011544, ' \
              '16.93392988400009358 42.77094147300012139)),((17.38200931100010393 42.79783763200002511, ' \
              '17.65894616000011297 42.74298737200008702, 17.74887129000009622 42.69456614800010641, ' \
              '17.32374108200008322 42.79083893400003547, 17.38200931100010393 42.79783763200002511)),' \
              '((16.768565300000148 42.97223541900014254, 17.03207441500009622 42.98261139500014849, ' \
              '17.13184655000009116 42.96954987200014386, 17.20020592500009116 42.92177969000012183, ' \
              '16.85141035200010151 42.90070221600008438, 16.65544681100004709 42.92625560099999404, ' \
              '16.70679772200014668 42.96954987200014386, 16.63168379000003938 42.98261139500014849, ' \
              '16.768565300000148 42.97223541900014254)),((17.05567467500011958 43.02895742400001211, ' \
              '17.24024498800011429 43.02277252800014651, 17.74146569100011561 42.83926015800001608, ' \
              '17.70736738400009358 42.88703034100014122, 17.65334906206413734 42.8909283361407887, ' \
              '17.70158573400010482 42.91950022500007833, 17.81175988700005064 42.909862570000044, ' \
              '17.85847538200005147 42.81697418200012351, 18.22413781700009849 42.62807098500009317, ' \
              '18.43735477700010961 42.55921213800017711, 18.4371480710000526 42.4934022020000981, ' \
              '18.49642988400009358 42.41632721600008438, 18.23894290500010129 42.55906810100005089, ' \
              '18.21753991000014139 42.6201032570001388, 18.07601972700010151 42.65131256700003348, ' \
              '18.0432235040000819 42.70205312700007028, 17.90162194100014403 42.75189850500014188, ' \
              '17.8928328790000819 42.79083893400003547, 17.72095787900005348 42.8262393250000315, ' \
              '17.7618921230000808 42.77871328300012976, 17.74870853000004445 42.77204010600017625, ' \
              '17.21387780000011958 42.98261139500014849, 17.04615319100011561 42.9950625670000619, ' \
              '17.00163821700004974 43.05149974200010377, 17.05567467500011958 43.02895742400001211)),' \
              '((16.19467207100007045 43.07440827000000638, 16.254893425000148 43.06854889500006323, ' \
              '16.08716881600014403 43.01146067900008063, 16.04883873800011429 43.06517161700004692, ' \
              '16.19467207100007045 43.07440827000000638)),((16.56275475400011032 43.22898997600010773, ' \
              '16.65951582100009887 43.21596914300012315, 16.72771243600001867 43.16461823100003414, ' \
              '17.19336998800014271 43.12726471600016964, 16.67017662900013875 43.12547435099999404, ' \
              '16.37159264400014536 43.19550202000006323, 16.49642988400006516 43.21808502800014651, ' \
              '16.58326256600014403 43.18866608300005794, 16.52051842500006273 43.22898997600010773, ' \
              '16.56275475400011032 43.22898997600010773)),((16.80681399800010922 43.34247467700005529, ' \
              '16.89234459700011826 43.31220123900006058, 16.84620201900008851 43.27338288000005662, ' \
              '16.62826582100012729 43.26373932500008834, 16.50074303500014139 43.28424713700003679, ' \
              '16.42188561300008587 43.31757233300011478, 16.40577233200011165 43.33270905200011214, ' \
              '16.45346113400009358 43.35317617400009738, 16.42628014400008851 43.39411041900011412, ' \
              '16.44703209700008983 43.39484284100014122, 16.80681399800010922 43.34247467700005529)),' \
              '((16.29818769600012729 43.40363190300011809, 16.30274498800008587 43.38727448100009099, ' \
              '16.39144941500012465 43.34638092700005529, 16.348643425000148 43.33869049700003018, ' \
              '16.20045006600014403 43.40704987200003018, 16.29818769600012729 43.40363190300011809)),' \
              '((16.33415774800010922 43.50153229400014254, 16.3752547540000819 43.49017975500008504, ' \
              '16.21143639400008851 43.49005768400009231, 16.26441491000014139 43.51288483300011478, ' \
              '16.33415774800010922 43.50153229400014254)),((15.67888431100004709 43.64801666900014254, ' \
              '15.74040774800010922 43.62750885600009099, 15.67204837300002396 43.63743724200010377, ' \
              '15.60377037900013875 43.67470937700007028, 15.67888431100004709 43.64801666900014254)),' \
              '((15.36736087300005238 43.79010651200015047, 15.39568118600007551 43.7724063170000619, ' \
              '15.22779381600014403 43.87445709800014981, 15.24073326900014536 43.88076406500009341, ' \
              '15.36736087300005238 43.79010651200015047)),((15.44271894600009887 43.89907461100013109, ' \
              '15.35865319100014403 43.91937897300014981, 15.26124108200011165 44.01105377800003282, ' \
              '15.38404381600008719 43.9701602230000077, 15.44271894600009887 43.89907461100013109)),' \
              '((15.22575931100010393 44.06622955900014915, 15.25440514400008851 44.01788971600014122, ' \
              '15.12183678500014139 44.09223053600005926, 15.06251061300008587 44.16193268400012073, ' \
              '15.22575931100010393 44.06622955900014915)),((14.83545983200014007 44.15102773600013109, ' \
              '14.85726972700010151 44.15204498900000374, 14.86915123800014271 44.14052969000006499, ' \
              '14.83521569100008719 44.14166901200009363, 14.81983483200014007 44.15302155199999845, ' \
              '14.82243899800005238 44.16868724200004692, 14.83545983200014007 44.15102773600013109)),' \
              '((14.98511803500011297 44.09096914300012315, 15.21680748800008587 43.91278717700008372, ' \
              '15.13331139400011693 43.92121002800003282, 15.19450931100004709 43.87262604400017096, ' \
              '15.10661868600007551 43.92544179900015422, 14.84961998800014271 44.17560455900014915, ' \
              '14.98511803500011297 44.09096914300012315)),((14.765961134000122 44.26504140800015819, ' \
              '14.74854576900014536 44.26166413000014188, 14.73959394600012729 44.28017812700015554, ' \
              '14.79167728000007287 44.27252838700003679, 14.765961134000122 44.26504140800015819)),' \
              '((14.66138756600011561 44.30866120000014519, 14.6407983730000808 44.31183502800003282, ' \
              '14.59506269600007045 44.34711334800006455, 14.643565300000148 44.32575104400011412, ' \
              '14.66138756600011561 44.30866120000014519)),((14.81120853000004445 44.35004303600000242, ' \
              '14.75619550900009358 44.36399974200004692, 14.76343834700008983 44.41535065300017493, ' \
              '14.80323326900008851 44.40550364800004957, 14.81120853000004445 44.35004303600000242)),' \
              '((14.27116946700002131 44.61253489800004957, 14.23259524800005238 44.62604401200012205, ' \
              '14.2657983730000808 44.67951080900003547, 14.28044681100007551 44.67755768400009231, ' \
              '14.27116946700002131 44.61253489800004957)),((14.84522545700008322 44.60053131700011875, ' \
              '14.93824303500014139 44.59414297100001079, 15.07553144600007045 44.48407623900006058, ' \
              '14.91114342500011958 44.54547760600014783, 15.04802493600004709 44.43943919500001982, ' \
              '15.09669030000009116 44.41518789300000947, 15.04151451900014536 44.47662995000008834, ' \
              '15.25440514400008851 44.34003327000000638, 15.165049675000148 44.36737702000006323, ' \
              '15.22022545700008322 44.3127302100001117, 15.13086998800008587 44.33258698100003414, ' \
              '15.17237389400014536 44.29913971600016964, 15.12875410200007309 44.31199778900018771, ' \
              '15.08920332100009887 44.37421295800000109, 15.11719811300014271 44.38719310099999404, ' \
              '15.04900149800010922 44.39468008000015686, 14.89747155000009116 44.49091217699999845, ' \
              '14.91863040500010129 44.50454336100013109, 14.87696373800011429 44.55975983300005794, ' \
              '14.73365319100008719 44.70319245000014519, 14.84522545700008322 44.60053131700011875)),' \
              '((14.41000410200010151 44.60097890800001608, 14.52662194100011561 44.50372955900012073, ' \
              '14.53435306100010393 44.48407623900006058, 14.42261803500008455 44.57387929900009738, ' \
              '14.36304772200014668 44.57343170800000109, 14.38257897200014668 44.60325755399999537, ' \
              '14.33578535200007309 44.71678294500010509, 14.39747155000009116 44.6856143250000315, ' \
              '14.41000410200010151 44.60097890800001608)),((14.75326582100007045 44.84585195500012844, ' \
              '14.74048912900011032 44.82050202000000638, 14.82243899800005238 44.77142975500005662, ' \
              '14.84961998800014271 44.70319245000014519, 14.65788821700004974 44.79877350500014188, ' \
              '14.7268172540000819 44.79877350500014188, 14.6858016290000819 44.8471540390000456, ' \
              '14.75326582100007045 44.84585195500012844)),((14.47103925900006516 44.95392487200003018, ' \
              '14.45191491000008455 44.79877350500014188, 14.47217858200011165 44.7079531920000619, ' \
              '14.53435306100010393 44.63426341400010244, 14.51335696700007816 44.618841864000089, ' \
              '14.42790774800005238 44.65656159100014122, 14.29420006600008719 44.9086367860001161, ' \
              '14.30152428500011297 44.94342682500014519, 14.38738040500004445 44.90900299700003018, ' \
              '14.39031009200004974 44.96039459800012139, 14.41138756600008719 44.95636627800014651, ' \
              '14.27849368600004709 45.1133487000000315, 14.29957116000014139 45.16233958499999801, ' \
              '14.35621178500014139 45.16925690300008966, 14.387705925000148 45.03904857000013351, ' \
              '14.47103925900006516 44.95392487200003018)),((14.56332441500012465 45.24974192900008063, ' \
              '14.62378991000011297 45.17548248900006058, 14.59742272200011826 45.16644928600005926, ' \
              '14.66529381600011561 45.16181061400011743, 14.66529381600011561 45.08734772300006455, ' \
              '14.74048912900011032 45.07306549700014386, 14.81495201900008851 44.97748444200009033, ' \
              '14.70639082100009887 44.9467227230000077, 14.62891686300014271 44.97817617400004053, ' \
              '14.62086022200008983 45.04559967700011214, 14.61695397200008983 45.02464427300007799, ' \
              '14.51050866000014139 45.03217194200011875, 14.43873131600014403 45.07050202000006323, ' \
              '14.4670516290000819 45.12409088700015047, 14.53012129000009622 45.13483307500014519, ' \
              '14.53435306100010393 45.23753489800002114, 14.56332441500012465 45.24974192900008063)),' \
              '((16.36947066200013978 46.54057118800012915, 16.63767134600004738 46.47447703100009164, ' \
              '16.75508020000012266 46.38187286400001597, 16.83765913900006694 46.38187286400001597, ' \
              '16.88923221800007468 46.29216257800014489, 17.05294315600005461 46.15346303300005104, ' \
              '17.20859257000006437 46.11656606000003933, 17.27587528500004055 46.01202463800002818, ' \
              '17.31680301900004793 45.99765859000002877, 17.29013798000011093 45.98463612900009423, ' \
              '17.40620324700006449 45.94365671800015605, 17.59110152100009827 45.93621531200012953, ' \
              '17.65652388500006964 45.84541982000014571, 17.80917606600013414 45.81441396100005647, ' \
              '17.85806197100004056 45.77172922800004073, 18.21121870900006456 45.78537180600012846, ' \
              '18.40438521300006869 45.74180857400001798, 18.57347049900010916 45.81668772400014689, ' \
              '18.6556360270001278 45.90758656800015558, 18.7755253500000947 45.88283355700004051, ' \
              '18.90130578600007993 45.93120269800006383, 18.87288374800004931 45.89523590100002082, ' \
              '18.90699019400011593 45.86795074500018643, 18.85531376100007606 45.85735707600009903, ' \
              '18.84497847500006174 45.8157058720000947, 18.96848514800012708 45.66873809800016204, ' \
              '18.90357954900008508 45.57308502200005762, 18.94171675700005153 45.53892689999999277, ' \
              '19.01809452300011571 45.56740061400002162, 19.10625451700005328 45.51164174500017623, ' \
              '19.00961958800010621 45.49867095900005154, 19.00300500400010151 45.45536611000007099, ' \
              '19.03742150900006891 45.42229319300010104, 18.97592655400006834 45.39495636000008005, ' \
              '19.09199182100007874 45.34999786400005917, 19.12475467900009107 45.29811472600006539, ' \
              '19.36308638500014467 45.24824696900010679, 19.40783817500010855 45.20313344400013023, ' \
              '19.39068160000005037 45.16933705700016333, 19.22593713300008744 45.16194732700016345, ' \
              '19.12186079900010327 45.195795390000157, 19.13767378700009658 45.14603098600004216, ' \
              '19.04486291500009543 45.13724599300006446, 19.08227665200013234 45.08494944300004192, ' \
              '19.0872375890000967 44.97710072800013847, 19.13167932100006396 44.95317454000003465, ' \
              '19.06667036900009293 44.90568389900012392, 18.99142948400006503 44.9149339800001286, ' \
              '19.01582076000008215 44.86563466400004074, 18.88962691200009658 44.86119049100013001, ' \
              '18.78338016700013213 44.91374542300012251, 18.79175174900009893 45.00154368100008639, ' \
              '18.73831831900008638 45.0159097290000858, 18.68405806500004473 45.08479441400000098, ' \
              '18.64871138500012648 45.06267689999999959, 18.61667199700013953 45.09766184500010411, ' \
              '18.54959598800010667 45.09476796500011631, 18.51703983500007666 45.05585561200003042, ' \
              '18.23788374800011525 45.15745147700012296, 18.15365116400005263 45.0975584930001645, ' \
              '18.00347945100011771 45.1493382780000303, 17.83573775200005684 45.0644338990000648, ' \
              '17.68473921700012852 45.1639627080000281, 17.48185754400009273 45.11440500900012296, ' \
              '17.49622359200009214 45.1416901650001563, 17.44775109900012922 45.13430043600014585, ' \
              '17.44330692500011537 45.16205068000009248, 17.38243208800008688 45.1396231090000839, ' \
              '17.26895064300006766 45.18954254200015441, 17.24548954300007608 45.15538442000017483, ' \
              '17.18709517400012032 45.14856313100001728, 17.0363033440001459 45.23047027600007652, ' \
              '17.00829471800011561 45.21615590500009318, 17.00829471800011561 45.24416453100009505, ' \
              '16.94731652900014751 45.23568959600000028, 16.9243721930001243 45.28452382500016427, ' \
              '16.81171757000004163 45.18122263700009, 16.52894413300009546 45.22225372400005483, ' \
              '16.38921106000003647 45.11683380099999852, 16.31624393700010955 45.00123362300008978, ' \
              '16.12152714000009723 45.09616322900008356, 16.02044803900011516 45.213933818000001, ' \
              '15.79234826700013627 45.18980092400012438, 15.76361617000014803 44.97555043600003444, ' \
              '15.7308533120001357 44.92723297200008403, 15.77343469200010873 44.84501576800015243, ' \
              '15.71607385200013596 44.80320953400008932, 15.72847619600008784 44.76910308800002269, ' \
              '15.80568078600006743 44.69665273000013883, 15.88877648900006534 44.72424794500012979, ' \
              '15.96897831200004703 44.63924021400013942, 16.02830285600006732 44.62471913700009907, ' \
              '16.04473596200011798 44.58937245700018082, 16.00608199000004106 44.54100331600012908, ' \
              '16.11646285000011858 44.52146962500013672, 16.15966434700004584 44.41610138000002905, ' \
              '16.13827030500004867 44.37760243800015303, 16.20286584400008678 44.35977406800010669, ' \
              '16.18756962000011868 44.28241444999999032, 16.21578495300011014 44.20815541600011045, ' \
              '16.32688928200008149 44.08237498000012522, 16.50103885900011846 43.99271637000008184, ' \
              '16.67859908100004418 43.8406843060001421, 16.71260217300007866 43.77151540100005889, ' \
              '17.03051558500007445 43.54847991900005866, 17.27050093600007585 43.46321380700000248, ' \
              '17.28993127500007176 43.3034302780000786, 17.44206669100009321 43.15243174300015028, ' \
              '17.6284119050001209 43.04657257100008394, 17.66272505700004558 42.96569895500012137, ' \
              '17.63450972400008254 42.950402731000068, 17.51563561300008587 42.95888906500012183, ' \
              '17.47087649800005238 43.01341380400010905, 17.50196373800014271 43.03099192900005221, ' \
              '17.43360436300014271 43.01740143400009231, 17.46021569100011561 43.03099192900005221, ' \
              '17.42611738400009358 43.06517161700004692, 17.4045516290000819 43.05149974200010377, ' \
              '17.31625410200012993 43.12726471600016964, 17.11394290500004445 43.21320221600008438, ' \
              '16.88062584700011826 43.40595123900006058, 16.62582441500009622 43.44904205900009231, ' \
              '16.52466881600011561 43.51080963700009363, 16.39144941500012465 43.51080963700009363, ' \
              '16.47339928500008455 43.5381533870001789, 16.43384850400013875 43.54975006700000506, ' \
              '16.11768639400008851 43.52448151200003679, 16.17237389400014536 43.4896914730000077, ' \
              '16.11312910200004467 43.47890859600009605, 15.95948326900011693 43.50397370000008834, ' \
              '15.987315300000148 43.54490794500010509, 15.92530358200011165 43.55857982000004824, ' \
              '15.91895592500009116 43.62872955900012073, 15.96631920700011165 43.64118073100003414, ' \
              '15.90479576900014536 43.64801666900014254, 15.95297285200010151 43.65086497599999404, ' \
              '15.95045006600008719 43.68854401200015047, 15.70630944100008719 43.76341380400005221, ' \
              '15.6174422540000819 43.82550690300017493, 15.66309655000009116 43.81297435099999404, ' \
              '15.67888431100004709 43.81928131700011875, 15.45508873800014271 43.92804596600014122, ' \
              '15.14454186300011429 44.19546133000015686, 15.15219160200012993 44.23529694200014717, ' \
              '15.11036217500011958 44.26434967700011214, 15.14063561300011429 44.28245677300013483, ' \
              '15.17660566500009622 44.24994538000005662, 15.20777428500008455 44.27277252800014651, ' \
              '15.19809004000012465 44.30166250200007028, 15.295258009000122 44.25067780199999845, ' \
              '15.30274498800008587 44.29913971600016964, 15.26124108200011165 44.33258698100003414, ' \
              '15.42448978000001603 44.26797109600006763, 15.52865644600009887 44.27179596600008438, ' \
              '15.30795332100009887 44.35439687700007028, 15.00733483200014007 44.56972890800012976, ' \
              '14.883799675000148 44.7236188820001388, 14.883799675000148 44.86147695500012844, 14.92164147200008983 ' \
              '44.95880768400009231, 14.85279381600011561 45.09365469000000815, 14.65788821700004974 ' \
              '45.19660065300017493, 14.57081139400008851 45.29364655200011214, 14.31153405000009116 ' \
              '45.34398021000005485, 14.23259524800005238 45.14935944200000506, 14.17937259200007816 ' \
              '45.13450755400005221, 14.19312584700008983 45.10561758000012844, 14.14389082100007045 ' \
              '45.05939362200003018, 14.151377800000148 44.97748444200009033, 14.06885826900014536 ' \
              '44.94953034100014122, 14.08383222700007309 44.9863955750000315, 14.04029381600014403 ' \
              '45.03896719000015025, 14.0756942070000548 44.98371002800003282, 14.02051842500011958 ' \
              '44.90110911700004692, 13.97266686300011429 44.90110911700004692, 13.99301191500009622 ' \
              '44.88129303600014453, 13.97266686300011429 44.82664622599999404, 14.00001061300008587 ' \
              '44.81305573100003414, 13.89014733200011165 44.83348216400010244, 13.91797936300014271 ' \
              '44.77826569200009033, 13.90316816500009622 44.77240631700014717, 13.89698326900011693 ' \
              '44.81305573100003414, 13.78711998800014271 44.87506745000008834, 13.84229576900008851 ' \
              '44.88812897300006455, 13.79460696700010658 44.89496491100008768, 13.77409915500007287 ' \
              '44.96381256700014717, 13.6232202480000808 45.07306549700014386, 13.61255944100014403 ' \
              '45.11786530199999845, 13.72624759200004974 45.13450755400005221, 13.5959578790000819 ' \
              '45.14541250200001343, 13.57545006600011561 45.26487864800007799, 13.60271243600001867 ' \
              '45.28534577000012007, 13.57545006600011561 45.30646393400006389, 13.60954837300005238 ' \
              '45.32013580900017757, 13.54127037900013875 45.34613678600005926, 13.50709069100014403 ' \
              '45.51190827000000638, 13.62901778100007277 45.45898346000016943, 13.75929406800014476 ' \
              '45.46316925100011019, 13.88900191200011136 45.42363678000005223, 13.98263960800005634 ' \
              '45.47531321200001742, 13.97189091000012695 45.5142255660000643, 14.09291711400010172 ' \
              '45.47391794800002174, 14.21869755100007637 45.49717234400004884, 14.37279667100006009 ' \
              '45.47784535800009564, 14.4689148350000778 45.52559438100014688, 14.49857710800012001 ' \
              '45.59618438800005435, 14.58094934100009255 45.66780792200010808, 14.66848921700008646 ' \
              '45.53396596300005683, 14.79716353300005949 45.46518463200006011, 14.88160282300009385 ' \
              '45.46978383400001178, 14.9226339110000481 45.51494903600017494, 15.13926151500010064 ' \
              '45.43004465799999991, 15.32519331800011742 45.45283396399999276, 15.36136682100004691 ' \
              '45.48203114900003641, 15.29666792800006192 45.52295888300012905, 15.2685559480001416 ' \
              '45.60166208900012919, 15.37376916500011248 45.64021270800010655, 15.25501672300006817 ' \
              '45.72346344000011698, 15.42906294700014769 45.77529490200011253, 15.45128381300008868 ' \
              '45.81513743100013869, 15.67607629400006886 45.84169911700014666, 15.65943648300003588 ' \
              '45.88882802400014782, 15.69798710100010908 46.0362092080000167, 15.58988000500005455 ' \
              '46.11351715100001059, 15.62284956800010605 46.19170359400006021, 16.01920780400010358 ' \
              '46.29882883700007312, 16.05961877400008575 46.33231516600015709, 16.0579651280001201 ' \
              '46.37753204400003426, 16.2756262620000598 46.37316538500006402, 16.23490523300009158 ' \
              '46.4933389280001137, 16.36947066200013978 46.54057118800012915))) '
        geom = QgsGeometry.fromWkt(wkt)
        f = QgsFeature()
        f.setGeometry(geom)

        image = QImage(200, 200, QImage.Format_RGB32)

        painter = QPainter()
        ms = QgsMapSettings()
        crs = QgsCoordinateReferenceSystem.fromProj4(
            '+proj=ortho +lat_0=36.5 +lon_0=-118.8 +x_0=0 +y_0=0 +a=6371000 +b=6371000 +units=m +no_defs'
        )
        self.assertTrue(crs.isValid())
        ms.setDestinationCrs(crs)
        ms.setExtent(QgsRectangle(1374999.8, 3912610.7, 4724462.5, 6505499.6))
        ms.setOutputSize(image.size())
        context = QgsRenderContext.fromMapSettings(ms)
        context.setPainter(painter)
        context.setScaleFactor(96 / 25.4)  # 96 DPI
        ct = QgsCoordinateTransform(QgsCoordinateReferenceSystem('epsg:4326'),
                                    crs, QgsProject.instance())
        self.assertTrue(ct.isValid())
        context.setCoordinateTransform(ct)
        context.setExtent(
            ct.transformBoundingBox(ms.extent(),
                                    QgsCoordinateTransform.ReverseTransform))

        fill_symbol = QgsFillSymbol.createSimple({
            'color': '#ffffff',
            'outline_color': '#ffffff',
            'outline_width': '10'
        })

        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))
            fill_symbol.startRender(context)
            fill_symbol.renderFeature(f, context)
            fill_symbol.stopRender(context)
        finally:
            painter.end()

        assert self.imageCheck('Reprojection errors polygon',
                               'reprojection_errors_polygon', image)

        #also test linestring
        linestring = QgsGeometry(geom.constGet().boundary())
        f.setGeometry(linestring)
        line_symbol = QgsLineSymbol.createSimple({
            'color': '#ffffff',
            'outline_width': '10'
        })

        image = QImage(200, 200, QImage.Format_RGB32)
        painter.begin(image)
        try:
            image.fill(QColor(0, 0, 0))
            line_symbol.startRender(context)
            line_symbol.renderFeature(f, context)
            line_symbol.stopRender(context)
        finally:
            painter.end()

        assert self.imageCheck('Reprojection errors linestring',
                               'reprojection_errors_linestring', image)
Beispiel #60
0
def writeVectorLayer(layer, safeLayerName, usedFields, highlight,
                     popupsOnHover, popup, outputProjectFileName, wfsLayers,
                     cluster, visible, json, legends, new_src, canvas, zIndex,
                     restrictToExtent, extent, feedback, labelCode,
                     useMultiStyle, useHeat, useShapes, useOSMB):
    feedback.showFeedback("Writing %s as JSON..." % layer.name())
    zIndex = zIndex + 400
    markerFolder = os.path.join(outputProjectFileName, "markers")
    labeltext = getLabels(layer, safeLayerName, outputProjectFileName)
    labelCode += labeltext
    (new_pop, popFuncs) = getPopups(layer, safeLayerName, highlight,
                                    popupsOnHover, popup)
    renderer = layer.rendererV2()
    layer_transp = 1 - (float(layer.layerTransparency()) / 100)
    style = ""

    if is25d(layer, canvas, restrictToExtent, extent):
        useOSMB = True
        shadows = ""
        renderer = layer.rendererV2()
        renderContext = QgsRenderContext.fromMapSettings(canvas.mapSettings())
        fields = layer.pendingFields()
        renderer.startRender(renderContext, fields)
        for feat in layer.getFeatures():
            if isinstance(renderer, QgsCategorizedSymbolRendererV2):
                classAttribute = renderer.classAttribute()
                attrValue = feat.attribute(classAttribute)
                catIndex = renderer.categoryIndexForValue(attrValue)
                categories = renderer.categories()
                symbol = categories[catIndex].symbol()
            elif isinstance(renderer, QgsGraduatedSymbolRendererV2):
                classAttribute = renderer.classAttribute()
                attrValue = feat.attribute(classAttribute)
                ranges = renderer.ranges()
                for range in ranges:
                    if (attrValue >= range.lowerValue()
                            and attrValue <= range.upperValue()):
                        symbol = range.symbol().clone()
            else:
                symbol = renderer.symbolForFeature2(feat, renderContext)
            symbolLayer = symbol.symbolLayer(0)
            if not symbolLayer.paintEffect().effectList()[0].enabled():
                shadows = "'2015-07-15 10:00:00'"
        renderer.stopRender(renderContext)
        new_obj = """
        var osmb = new OSMBuildings(map).date(new Date({shadows}));
        osmb.set(json_{sln});""".format(shadows=shadows, sln=safeLayerName)
    elif isinstance(renderer, QgsHeatmapRenderer):
        useHeat = True
        (new_obj, legends, wfsLayers) = heatmapLayer(layer, safeLayerName,
                                                     renderer, legends,
                                                     wfsLayers)
    elif isinstance(renderer, QgsSingleSymbolRendererV2):
        (style, markerType,
         useShapes) = getLayerStyle(layer, safeLayerName, markerFolder,
                                    outputProjectFileName, useShapes)
        (new_obj, legends, wfsLayers, useMultiStyle) = singleLayer(
            renderer, outputProjectFileName, safeLayerName, wfsLayers, layer,
            cluster, json, usedFields, legends, markerType, useMultiStyle)
    elif isinstance(renderer, QgsCategorizedSymbolRendererV2):
        (style, markerType,
         useShapes) = getLayerStyle(layer, safeLayerName, markerFolder,
                                    outputProjectFileName, useShapes)
        (new_obj, legends, wfsLayers, useMultiStyle) = categorizedLayer(
            layer, renderer, safeLayerName, outputProjectFileName, usedFields,
            legends, cluster, json, wfsLayers, markerType, useMultiStyle)
    elif isinstance(renderer, QgsGraduatedSymbolRendererV2):
        (style, markerType,
         useShapes) = getLayerStyle(layer, safeLayerName, markerFolder,
                                    outputProjectFileName, useShapes)
        (new_obj, legends, wfsLayers, useMultiStyle) = graduatedLayer(
            layer, safeLayerName, renderer, outputProjectFileName, cluster,
            json, usedFields, legends, wfsLayers, markerType, useMultiStyle)
    elif isinstance(renderer, QgsRuleBasedRendererV2):
        (style, markerType,
         useShapes) = getLayerStyle(layer, safeLayerName, markerFolder,
                                    outputProjectFileName, useShapes)
        (new_obj, legends, wfsLayers, useMultiStyle) = ruleBasedLayer(
            layer, renderer, safeLayerName, outputProjectFileName, usedFields,
            legends, cluster, json, wfsLayers, markerType, useMultiStyle)
    blend = BLEND_MODES[layer.blendMode()]
    new_obj = u"""{style}
        map.createPane('pane_{sln}');
        map.getPane('pane_{sln}').style.zIndex = {zIndex};
        map.getPane('pane_{sln}').style['mix-blend-mode'] = '{blend}';
        {new_obj}""".format(style=style,
                            sln=safeLayerName,
                            zIndex=zIndex,
                            blend=blend,
                            new_obj=new_obj)
    if usedFields != 0:
        new_src += new_pop.decode("utf-8")
    new_src += """
""" + new_obj
    if is25d(layer, canvas, restrictToExtent, extent):
        pass
    else:
        new_src += """
        bounds_group.addLayer(layer_""" + safeLayerName + """);"""
        if visible:
            if cluster is False:
                new_src += """
        map.addLayer(layer_""" + safeLayerName + """);"""
            else:
                new_src += """
        cluster_""" + safeLayerName + """.addTo(map);"""
    feedback.completeStep()
    return (new_src, legends, wfsLayers, labelCode, useMultiStyle, useHeat,
            useShapes, useOSMB)