def testRenderLineLayerDataDefined(self): """ test that rendering a line symbol with data defined enabled layer works""" lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp') lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr') QgsProject.instance().addMapLayer(lines_layer) layer = QgsSimpleLineSymbolLayer() layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Name='Highway'")) layer.setColor(QColor(100, 150, 150)) layer.setWidth(5) symbol = QgsLineSymbol() symbol.changeSymbolLayer(0, layer) lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol)) ms = QgsMapSettings() ms.setOutputSize(QSize(400, 400)) ms.setOutputDpi(96) ms.setExtent(QgsRectangle(-133, 22, -70, 52)) ms.setLayers([lines_layer]) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(ms) renderchecker.setControlPathPrefix('symbol_layer') renderchecker.setControlName('expected_linelayer_ddenabled') self.assertTrue(renderchecker.runTest('linelayer_ddenabled')) QgsProject.instance().removeMapLayer(lines_layer)
def testHashPlacement(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Vertex) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(7) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_vertex', 'line_hash_vertex', rendered_image) s.symbolLayer(0).setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_first', 'line_hash_first', rendered_image) s.symbolLayer(0).setPlacement(QgsTemplatedLineSymbolLayerBase.LastVertex) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_last', 'line_hash_last', rendered_image)
def testLineOffset(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) s.symbolLayer(0).setOffset(3) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_offset_positive', 'line_offset_positive', rendered_image) s.symbolLayer(0).setOffset(-3) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_offset_negative', 'line_offset_negative', rendered_image)
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 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))
def testRingFilter(self): # test filtering rings during rendering s = QgsFillSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings) s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly) self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) s2 = s.clone() self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) doc = QDomDocument() context = QgsReadWriteContext() element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context) s2 = QgsSymbolLayerUtils.loadSymbol(element, context) self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) # rendering test s3 = QgsFillSymbol() s3.deleteSymbolLayer(0) s3.appendSymbolLayer( hash_line.clone()) s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly) g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))') rendered_image = self.renderGeometry(s3, g) assert self.imageCheck('hashline_exterioronly', 'hashline_exterioronly', rendered_image) s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly) g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))') rendered_image = self.renderGeometry(s3, g) assert self.imageCheck('hashline_interioronly', 'hashline_interioronly', rendered_image)
def testSimpleLineUnitPixel(self): symbol = QgsSimpleLineSymbolLayer(QColor("black"), 1) symbol.setCustomDashVector([10, 10]) symbol.setUseCustomDashPattern(True) symbol.setOffset(5) symbol.setOutputUnit(QgsUnitTypes.RenderPixels) dom, root = self.symbolToSld(symbol) # print ("Simple line px: \n" + dom.toString()) self.assertStrokeWidth(root, 1, 1) self.assertDashPattern(root, 4, '10 10') self.assertStaticPerpendicularOffset(root, '5')
def testHashAverageAngle(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(7) hash_line.setHashAngle(45) hash_line.setAverageAngleLength(30) s.appendSymbolLayer(hash_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_center_average_angle', 'line_hash_center_average_angle', rendered_image)
def testSimpleLineUnitDefault(self): symbol = QgsSimpleLineSymbolLayer(QColor("black"), 1) symbol.setCustomDashVector([10, 10]) symbol.setUseCustomDashPattern(True) symbol.setOffset(5) dom, root = self.symbolToSld(symbol) # print ("Simple line px: \n" + dom.toString()) self.assertStrokeWidth(root, 1, 4) self.assertDashPattern(root, 4, '36 36') self.assertStaticPerpendicularOffset(root, '18')
def testQgsSimpleLineSymbolLayer(self): """ Create a new style from a .sld file and match test """ mTestName = "QgsSimpleLineSymbolLayer" mFilePath = QDir.toNativeSeparators("%s/symbol_layer/%s.sld" % (unitTestDataPath(), mTestName)) mDoc = QDomDocument(mTestName) mFile = QFile(mFilePath) mFile.open(QIODevice.ReadOnly) mDoc.setContent(mFile, True) mFile.close() mSymbolLayer = QgsSimpleLineSymbolLayer.createFromSld( mDoc.elementsByTagName("LineSymbolizer").item(0).toElement() ) mExpectedValue = type(QgsSimpleLineSymbolLayer()) mValue = type(mSymbolLayer) mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = "#aa007f" mValue = mSymbolLayer.color().name() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = 1.26 mValue = mSymbolLayer.width() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = Qt.RoundCap mValue = mSymbolLayer.penCapStyle() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = Qt.MiterJoin mValue = mSymbolLayer.penJoinStyle() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = True mValue = mSymbolLayer.useCustomDashPattern() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage mExpectedValue = [5.0, 2.0] mValue = mSymbolLayer.customDashVector() mMessage = 'Expected "%s" got "%s"' % (mExpectedValue, mValue) assert mExpectedValue == mValue, mMessage
def testPointNumInterval(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) s.symbolLayer(0).setDataDefinedProperty(QgsSymbolLayer.PropertyLineDistance, QgsProperty.fromExpression( "@geometry_point_num * 2")) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_dd_size', 'line_dd_size', rendered_image)
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 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.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))
def testRingFilter(self): # test filtering rings during rendering s = QgsFillSymbol() s.deleteSymbolLayer(0) s.appendSymbolLayer( QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2)) self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings) s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly) self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) s2 = s.clone() self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) doc = QDomDocument() context = QgsReadWriteContext() element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context) s2 = QgsSymbolLayerUtils.loadSymbol(element, context) self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly) # rendering test s3 = QgsFillSymbol() s3.deleteSymbolLayer(0) s3.appendSymbolLayer( QgsSimpleLineSymbolLayer(color=QColor(255, 0, 0), width=2)) s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly) g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))') rendered_image = self.renderGeometry(s3, g) assert self.imageCheck('simpleline_exterioronly', 'simpleline_exterioronly', rendered_image) s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly) g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))') rendered_image = self.renderGeometry(s3, g) assert self.imageCheck('simpleline_interioronly', 'simpleline_interioronly', rendered_image)
def defStyle(self, layer): # # fs=l.renderer().rootRule().children()[1].symbols()[0] # sl ==> QgsSimpleLineSymbolLayer # sl=fs.symbolLayers()[0] # symbol = QgsSymbol.defaultSymbol(layer.geometryType()) # Exporterle Style (.qml) pour determiner les attributs symb_def = { 'color': '53,227,47,77', 'joinstyle': 'bevel', 'outline_color': '0,0,0,255', 'outline_style': 'dash', 'outline_width': '0.5', 'outline_width_unit': 'MM', 'style': 'solid' } symbol = QgsFillSymbol.createSimple(symb_def) renderer = QgsRuleBasedRenderer(symbol) root_rule = renderer.rootRule() rule = root_rule.children()[0] rule.setLabel("Valide") rule.setFilterExpression( "\"valide\" is not null and \"supprime\" is null") # root_rule.appendChild(rule) symb_def = { 'capstyle': 'square', 'customdash': '5;2', 'customdash_unit': 'MM', 'customdash_unit': '0', 'line_style': 'dash', 'line_color': '200,194,194,255', 'joinstyle': 'bevel', 'line_width': '0.80', 'line_width_unit': 'MM', 'offset': '0', 'use_custom_dash': '1' } symbol = QgsFillSymbol.createSimple(symb_def) symbol.changeSymbolLayer(0, QgsSimpleLineSymbolLayer.create(symb_def)) rule = QgsRuleBasedRenderer.Rule(symbol) rule.setLabel("En attente") rule.setFilterExpression("\"valide\" is null and \"supprime\" is null") root_rule.appendChild(rule) layer.setRenderer(renderer)
def testOpacityWithDataDefinedColor(self): line_shp = os.path.join(TEST_DATA_DIR, 'lines.shp') line_layer = QgsVectorLayer(line_shp, 'Lines', 'ogr') self.assertTrue(line_layer.isValid()) s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setDataDefinedProperty(QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression( "if(Name='Arterial', 'red', 'green')")) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) line_symbol.setOpacity(0.5) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) # set opacity on both the symbol and subsymbol, to test that they get combined s.setOpacity(0.5) line_layer.setRenderer(QgsSingleSymbolRenderer(s)) ms = QgsMapSettings() ms.setOutputSize(QSize(400, 400)) ms.setOutputDpi(96) ms.setExtent(QgsRectangle(-118.5, 19.0, -81.4, 50.4)) ms.setLayers([line_layer]) # Test rendering renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(ms) renderchecker.setControlPathPrefix('symbol_hashline') renderchecker.setControlName('expected_hashline_opacityddcolor') res = renderchecker.runTest('expected_hashline_opacityddcolor') self.report += renderchecker.report() self.assertTrue(res)
def create_preview_vector_layer(image): marker_line = QgsSimpleLineSymbolLayer(color=QColor(110, 88, 232, 100), width=1) # FIXME: Save this to a uuid.gpkg file in user-defined dir or project dir vlayer = QgsVectorLayer("MultiPolygon?crs=EPSG:4326", "Footprints", "memory") vlayer.renderer().symbol().changeSymbolLayer(0, marker_line) dp = vlayer.dataProvider() qgs_fields = [ QgsField("item_id", QVariant.String), QgsField("item_type", QVariant.String), QgsField("search_query", QVariant.String), QgsField("sort_order", QVariant.String), ] for prop in image["properties"]: qgs_fields.append(QgsField(str(prop), QVariant.String)) dp.addAttributes(qgs_fields) return vlayer
def categorize_line_layer(self, layer=None, attr='FID_1', layer_name=None): """ :param attr: :return: """ if not layer: layer = self.get_layer_by_name(layer_name) try: attr_idx = layer.fields().indexFromName(attr) except: print('Could not get attr_idx, using 0.. correct?') attr_idx = 0 unique_values = layer.uniqueValues(attr_idx) categories = [] color_map = {0: '0, 0, 0', 1: '21, 153, 137'} color_map_hex = {0: '#000000', 1: '#159989'} for value in unique_values: symbol = QgsSymbol.defaultSymbol(layer.geometryType()) # configure a symbol layer layer_style = {'color': color_map[value], 'outline': color_map_hex[value]} symbol_layer = QgsSimpleLineSymbolLayer.create(layer_style) # replace default symbol layer with the configured one if symbol_layer is not None: symbol.changeSymbolLayer(0, symbol_layer) # create renderer object category = QgsRendererCategory(value, symbol, str(value)) # entry for the list of category items categories.append(category) # create renderer object renderer = QgsCategorizedSymbolRenderer(attr, categories) # assign the created renderer to the layer if renderer is not None: layer.setRenderer(renderer) layer.triggerRepaint()
def testSimpleLineWithCustomDashPatternHairline(self): """ test that rendering a simple line symbol with custom dash pattern""" layer = QgsSimpleLineSymbolLayer(QColor(0, 0, 0)) layer.setWidth(0) layer.setCustomDashVector([3, 3, 2, 2]) layer.setUseCustomDashPattern(True) symbol = QgsLineSymbol() symbol.changeSymbolLayer(0, layer) image = QImage(200, 200, QImage.Format_RGB32) painter = QPainter() ms = QgsMapSettings() geom = QgsGeometry.fromWkt('LineString (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_simpleline_customdashpattern_hairline', 'simpleline_customdashpattern_hairline', image))
def setStyleLayer(self, layer): if self.dlg.checkBox_mask.isChecked(): # only border if layer.geometryType( ) == QgsWkbTypes.PolygonGeometry or layer.geometryType( ) == QgsWkbTypes.LineGeometry: properties = { 'color': self.mColor.name(), 'outline_width': '0.6' } symbol_layer = QgsSimpleLineSymbolLayer.create(properties) layer.renderer().symbols( QgsRenderContext())[0].changeSymbolLayer(0, symbol_layer) elif layer.geometryType() == QgsWkbTypes.PointGeometry: properties = { 'size': '2', 'color': self.mColor.name(), 'outline_color': self.mColor.name(), 'outline_width': '0.6' } symbol_layer = QgsSimpleMarkerSymbolLayer.create(properties) layer.renderer().symbols( QgsRenderContext())[0].changeSymbolLayer(0, symbol_layer) else: if self.colorIndex > (len(self.colorValues) - 1): self.colorIndex = 0 color = QColor(self.colorValues[self.colorIndex]) self.colorIndex += 1 if layer.geometryType() == QgsWkbTypes.PolygonGeometry: layer.renderer().symbols( QgsRenderContext())[0].symbolLayer(0).setStrokeWidth(0.4) layer.renderer().symbols( QgsRenderContext())[0].symbolLayer(0).setBrushStyle( Qt.Dense4Pattern) layer.renderer().symbols( QgsRenderContext())[0].symbolLayer(0).setFillColor(color) layer.setFeatureBlendMode(13) self.iface.layerTreeView().refreshLayerSymbology(layer.id())
def testSimpleLineWithCustomDashPattern(self): """ test that rendering a simple line symbol with custom dash pattern""" layer = QgsSimpleLineSymbolLayer(QColor(0, 0, 0)) layer.setWidth(0.5) layer.setCustomDashVector([2, 5]) layer.setUseCustomDashPattern(True) symbol = QgsLineSymbol() symbol.changeSymbolLayer(0, layer) image = QImage(200, 200, QImage.Format_RGB32) painter = QPainter() ms = QgsMapSettings() geom = QgsGeometry.fromWkt('LineString (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_simpleline_customdashpattern', 'simpleline_customdashpattern', image))
def testSegmentCenter(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.SegmentCenter) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 0 10)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_segmentcenter', 'line_hash_segmentcenter', rendered_image)
def testHashPlacement(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Vertex) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(7) hash_line.setAverageAngleLength(0) s.appendSymbolLayer(hash_line.clone()) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_vertex', 'line_hash_vertex', rendered_image) s.symbolLayer(0).setPlacement( QgsTemplatedLineSymbolLayerBase.FirstVertex) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_first', 'line_hash_first', rendered_image) s.symbolLayer(0).setPlacement( QgsTemplatedLineSymbolLayerBase.LastVertex) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_hash_last', 'line_hash_last', rendered_image)
def testSingleLines(self): source = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'lines_touching.shp')) self.assertTrue(source.isValid()) map_settings = QgsMapSettings() map_settings.setExtent(source.extent().buffered(2)) map_settings.setDestinationCrs(source.crs()) map_settings.setLayers([source]) layer = QgsSimpleLineSymbolLayer() layer.setColor(QColor(0, 0, 0)) layer.setWidth(1) symbol = QgsLineSymbol([layer]) layer2 = QgsMarkerLineSymbolLayer() layer2.setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex) marker = QgsMarkerSymbol.createSimple({'size': '4', 'color': '255,0,0', 'outline_style': 'no'}) layer2.setSubSymbol(marker) symbol.appendSymbolLayer(layer2) sub_renderer = QgsSingleSymbolRenderer(symbol) source.setRenderer(QgsMergedFeatureRenderer(sub_renderer)) self.assertTrue(self.imageCheck('lines_single_subrenderer', 'lines_single_subrenderer', map_settings))
def testPointNumInterval(self): s = QgsLineSymbol() s.deleteSymbolLayer(0) hash_line = QgsHashedLineSymbolLayer(True) hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval) hash_line.setInterval(6) simple_line = QgsSimpleLineSymbolLayer() simple_line.setColor(QColor(0, 255, 0)) simple_line.setWidth(1) line_symbol = QgsLineSymbol() line_symbol.changeSymbolLayer(0, simple_line) hash_line.setSubSymbol(line_symbol) hash_line.setHashLength(10) s.appendSymbolLayer(hash_line.clone()) s.symbolLayer(0).setDataDefinedProperty( QgsSymbolLayer.PropertyLineDistance, QgsProperty.fromExpression("@geometry_point_num * 2")) g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)') rendered_image = self.renderGeometry(s, g) assert self.imageCheck('line_dd_size', 'line_dd_size', rendered_image)
def setTreeStyle(self, layer): # get unique values field = 'ArcType' fni = layer.fields().indexFromName(field) unique_values = layer.dataProvider().uniqueValues(fni) # define categories categories = [] for unique_value in unique_values: # initialize the default symbol for this geometry type symbol = QgsSymbol.defaultSymbol(layer.geometryType()) # configure a symbol layer symbol_layer = None if layer.geometryType() == 0: # Point layer_style = dict() layer_style['color'] = '%d, %d, %d' % (randrange( 0, 256), randrange(0, 256), randrange(0, 256)) layer_style['size'] = str(2) symbol_layer = QgsSimpleMarkerSymbolLayer.create(layer_style) else: symbol = QgsLineSymbol().createSimple({}) symbol.deleteSymbolLayer(0) # Line lineSymbol = QgsSimpleLineSymbolLayer() lineSymbol.setWidthUnit(2) # Pixels lineSymbol.setWidth(3) lineSymbol.setColor(QColor(178, 47, 60)) if "Branch" in unique_value: lineSymbol.setColor(QColor(22, 139, 251)) else: lineSymbol.setPenStyle(3) lineSymbol.setWidth(1.5) symbol.appendSymbolLayer(lineSymbol) # replace default symbol layer with the configured one if symbol_layer is not None: symbol.changeSymbolLayer(0, symbol_layer) # create renderer object category = QgsRendererCategory(unique_value, symbol, str(unique_value)) # entry for the list of category items categories.append(category) # create renderer object renderer = QgsCategorizedSymbolRenderer(field, categories) # assign the created renderer to the layer if renderer is not None: layer.setRenderer(renderer)
def make_flow_sym_renderer(self, layer, field_name, ranges_colors=None): feats = layer.getFeatures() min_val = sys.float_info.max max_val = -min_val # Find values range for feat in feats: attr = feat.attribute(field_name) val = float(attr) if val < min_val: min_val = val if val > max_val: max_val = val # Define colors if ranges_colors is None: ranges_colors = [] colors = [ QColor(0, 255, 0), QColor(128, 255, 0), QColor(255, 255, 0), QColor(255, 128, 0), QColor(255, 0, 0)] intv_nr = len(colors) intv = (max_val - min_val) / intv_nr for c in range(intv_nr): vrange = [min_val + intv * c, min_val + intv * (c + 1)] if c == len(colors) - 1: vrange[1] = max_val ranges_colors.append([vrange, colors[c]]) range_list = [] for range_col in ranges_colors: r_min = range_col[0][0] r_max = range_col[0][1] title = str(r_min) + ' - ' + str(r_max) range_list.append(symbology_from_range(layer, r_min, r_max, range_col[1], title)) renderer = QgsGraduatedSymbolRenderer(field_name, range_list) # Line symbol = QgsLineSymbol().createSimple({}) symbol.deleteSymbolLayer(0) line_sym_lay = QgsSimpleLineSymbolLayer() line_sym_lay.setWidth(0.2) symbol.appendSymbolLayer(line_sym_lay) # Define arrows for flow and velocities if u'Link flow' in layer.name() in layer.name(): self.marker_sym = QgsMarkerSymbol.createSimple({'name': 'triangle', 'color': 'black'}) data_def_angle = QgsProperty() data_def_angle_exp =\ 'case ' \ 'when "' + field_name + '" >= 0 ' \ 'then degrees(azimuth( start_point( $geometry), end_point($geometry))) ' \ 'else ' \ 'case ' \ 'when degrees(azimuth( start_point( $geometry), end_point($geometry))) < 180 ' \ 'then degrees(azimuth( start_point( $geometry), end_point($geometry))) + 180 ' \ 'else ' \ 'degrees(azimuth( start_point( $geometry), end_point($geometry))) - 180 ' \ 'end ' \ 'end' data_def_angle.setExpressionString(data_def_angle_exp) data_def_angle.setActive(True) self.marker_sym.setDataDefinedAngle(data_def_angle) # Size: 0 if attribute = 0 data_def_size = QgsProperty() data_def_size_exp =\ 'case ' \ 'when "' + field_name + '" = 0 ' \ 'then 0 ' \ 'else ' \ '2 ' \ 'end' data_def_size.setExpressionString(data_def_size_exp) data_def_size.setActive(True) self.marker_sym.setDataDefinedSize(data_def_size) marker_sym_lay = QgsMarkerLineSymbolLayer() marker_sym_lay.setColor(QColor(0, 0, 0)) marker_sym_lay.setFillColor(QColor(0, 0, 0)) marker_sym_lay.setPlacement(QgsMarkerLineSymbolLayer.CentralPoint) marker_sym_lay.setRotateMarker(False) marker_sym_lay.setSubSymbol(self.marker_sym) self.marker_sym.appendSymbolLayer(marker_sym_lay) symbol.appendSymbolLayer(marker_sym_lay) # renderer.setSourceSymbol(symbol) renderer.updateSymbols(symbol) return renderer
def append_SimpleLineSymbolLayer(symbol, layer, context: Context): """ Appends a SimpleLineSymbolLayer to a symbol """ color = symbol_color_to_qcolor(layer.color) out = QgsSimpleLineSymbolLayer(color) out.setEnabled(layer.enabled) out.setLocked(layer.locked) out.setWidth(context.convert_size(max( 0, layer.width))) # sometimes lines have negative width? out.setWidthUnit(context.units) out.setPenStyle(symbol_pen_to_qpenstyle(layer.line_type)) # better matching of null stroke color to QGIS symbology if out.color().alpha() == 0: out.setPenStyle(Qt.NoPen) symbol.appendSymbolLayer(out)
def testCondenseFillAndOutline(self): """ Test QgsSymbolLayerUtils.condenseFillAndOutline """ self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( None, None)) # not simple fill or line self.assertFalse( QgsSymbolLayerUtils.condenseFillAndOutline( QgsShapeburstFillSymbolLayer(), QgsSimpleLineSymbolLayer())) self.assertFalse( QgsSymbolLayerUtils.condenseFillAndOutline( QgsSimpleFillSymbolLayer(), QgsMarkerLineSymbolLayer())) # simple fill/line fill = QgsSimpleFillSymbolLayer() line = QgsSimpleLineSymbolLayer() # set incompatible settings on outline line.setUseCustomDashPattern(True) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setDashPatternOffset(1) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setAlignDashPattern(True) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setTweakDashPatternOnCorners(True) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setTrimDistanceStart(1) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setTrimDistanceEnd(1) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setDrawInsidePolygon(True) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setRingFilter(QgsSimpleLineSymbolLayer.ExteriorRingOnly) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setOffset(1) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) line = QgsSimpleLineSymbolLayer() line.setDataDefinedProperty(QgsSymbolLayer.PropertyTrimEnd, QgsProperty.fromValue(4)) self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline( fill, line)) # compatible! line = QgsSimpleLineSymbolLayer() line.setColor(QColor(255, 0, 0)) line.setWidth(1.2) line.setWidthUnit(QgsUnitTypes.RenderPoints) line.setWidthMapUnitScale(QgsMapUnitScale(1, 2)) line.setPenJoinStyle(Qt.MiterJoin) line.setPenStyle(Qt.DashDotDotLine) self.assertTrue(QgsSymbolLayerUtils.condenseFillAndOutline(fill, line)) self.assertEqual(fill.strokeColor(), QColor(255, 0, 0)) self.assertEqual(fill.strokeWidth(), 1.2) self.assertEqual(fill.strokeWidthUnit(), QgsUnitTypes.RenderPoints) self.assertEqual(fill.strokeWidthMapUnitScale(), QgsMapUnitScale(1, 2)) self.assertEqual(fill.penJoinStyle(), Qt.MiterJoin) self.assertEqual(fill.strokeStyle(), Qt.DashDotDotLine)
def append_SimpleLineSymbolLayer(symbol, layer): """ Appends a SimpleLineSymbolLayer to a symbol """ color = symbol_color_to_qcolor(layer.color) out = QgsSimpleLineSymbolLayer(color) out.setEnabled(layer.enabled) out.setLocked(layer.locked) out.setWidth(layer.width) out.setWidthUnit(QgsUnitTypes.RenderPoints) out.setPenStyle(symbol_pen_to_qpenstyle(layer.line_type)) # out.setPenJoinStyle(symbol_pen_to_qpenjoinstyle(layer.join)) # better matching of null stroke color to QGIS symbology if out.color().alpha() == 0: out.setPenStyle(Qt.NoPen) # todo - change to new symbol layer if outline offset set symbol.appendSymbolLayer(out)
def append_CartographicLineSymbolLayer(symbol, layer: CartographicLineSymbolLayer, context: Context): """ Appends a CartographicLineSymbolLayer to a symbol """ color = symbol_color_to_qcolor(layer.color) out = QgsSimpleLineSymbolLayer(color) out.setEnabled(layer.enabled) out.setLocked(layer.locked) out.setWidth(context.convert_size(max( 0, layer.width))) # sometimes lines have negative width? out.setWidthUnit(context.units) out.setPenJoinStyle(symbol_pen_to_qpenjoinstyle(layer.join)) out.setPenCapStyle(symbol_pen_to_qpencapstyle(layer.cap)) if layer.template is not None: apply_template_to_LineSymbolLayer_custom_dash(layer.template, out, context) # better matching of null stroke color to QGIS symbology if out.color().alpha() == 0: out.setPenStyle(Qt.NoPen) out.setOffset(context.convert_size(layer.offset)) out.setOffsetUnit(context.units) symbol.appendSymbolLayer(out) if layer.decoration is not None: append_Decorations(symbol, layer.decoration, context)
def setStyle(self, layer, name): if name == "": return stylePath = os.path.join(os.path.dirname(os.path.dirname(__file__)), "layerStyles") # user style qmlPath = os.path.join(stylePath, name + "_user.qml") if os.path.exists(qmlPath): layer.loadNamedStyle(qmlPath) return # default style qmlPath = os.path.join(stylePath, name + ".qml.bak") if os.path.exists(qmlPath): layer.loadNamedStyle(qmlPath) svgPath = os.path.join(stylePath, name + ".svg") if os.path.exists(svgPath): if layer.geometryType() == 0: # Point svg_style = dict() svg_style['name'] = svgPath svg_style['size'] = str(7) if name == "demands": svg_style['fill'] = '#9a1313' symbol_layer = QgsSvgMarkerSymbolLayer.create(svg_style) symbol = QgsSymbol.defaultSymbol(layer.geometryType()) symbol.changeSymbolLayer(0, symbol_layer) renderer = QgsSingleSymbolRenderer(symbol) else: # Line symbol = QgsLineSymbol().createSimple({}) symbol.deleteSymbolLayer(0) # Line lineSymbol = QgsSimpleLineSymbolLayer() lineSymbol.setWidthUnit(2) # Pixels lineSymbol.setWidth(1.5) if name == "pipes": lineSymbol.setColor(QColor("#0f1291")) symbol.appendSymbolLayer(lineSymbol) # Symbol marker = QgsMarkerSymbol.createSimple({}) marker.deleteSymbolLayer(0) svg_props = dict() svg_props['name'] = svgPath size = 5 if name == "pipes": size = 0 svg_props['size'] = str(size) svg_props['offset'] = '-0.5,-0.5' svg_props['offset_unit'] = 'Pixel' markerSymbol = QgsSvgMarkerSymbolLayer.create(svg_props) marker.appendSymbolLayer(markerSymbol) # Final Symbol finalMarker = QgsMarkerLineSymbolLayer() finalMarker.setSubSymbol(marker) finalMarker.setPlacement(QgsMarkerLineSymbolLayer.CentralPoint) symbol.appendSymbolLayer(finalMarker) if name == "pipes": prop = QgsProperty() prop.setExpressionString( "if(IniStatus is NULL, 0,if(IniStatus !='CV', 0,5))") symbol.symbolLayer(1).setDataDefinedProperty( 9, prop) # 9 = PropertyWidth renderer = QgsSingleSymbolRenderer(symbol) layer.setRenderer(renderer)
def editNetworkLayer(self, progressBar, layerName, scenariosExpression, networkExpression, variable, level, projectPath, group, networkLinkShapePath, method, layerId, expressionNetworkText, color): """ @summary: Get operators dictionary @param layerName: Layer name @type layerName: String @param scenariosExpression: Scenarios expression @type scenariosExpression: Stack object @param networkExpression: Network expression @type networkExpression: Stack object @param variable: Variable to evaluate @type variable: String @param level: Level to evaluate (Total, Routes, Operators) @type level: Level object @param projectPath: Project path @type projectPath: String @param group: Project group @type group: Layer group @param networkLinkShapePath: Network link shape path @type networkLinkShapePath: String @return: Result of the layer creation """ if scenariosExpression is None: QMessageBox.warning(None, "Network expression", "There is not scenarios information.") print("There is not scenarios information.") return False registry = QgsProject.instance() layersCount = len(registry.mapLayers()) result, resultData, minValue, maxValue = self.network_data_access.create_network_memory( layerName, scenariosExpression, networkExpression, variable, level, projectPath) progressBar.setValue(15) if result: # Source shape, name of the new shape, providerLib layer = QgsVectorLayer(networkLinkShapePath, layerName + "_network", 'ogr') epsg = layer.crs().postgisSrid() intMethod = 0 if method == "Color" else 1 rowCounter = len(resultData) if not layer.isValid(): return False feats = [feat for feat in layer.getFeatures()] # Create a vector layer with data on Memory memoryLayer = registry.mapLayer(layerId) memory_data = memoryLayer.dataProvider() joinedFieldName = "Result" shpField = "Id" attr = layer.dataProvider().fields().toList() attr += [QgsField(joinedFieldName, QVariant.Double)] progressBar.setValue(25) memory_data.addAttributes(attr) memory_data.addFeatures(feats) num = 30 progressBar.setValue(num) progressInterval = 70 / len(resultData) memoryLayer.startEditing() for rowItem in np.nditer(resultData): value = 0 num += progressInterval progressBar.setValue(num) it = memoryLayer.getFeatures("LINKID = '{0}'".format( str(rowItem['Id']).replace("b", "").replace("'", ""))) for id_feature in it: memoryLayer.changeAttributeValue( id_feature.id(), memory_data.fieldNameIndex(joinedFieldName), QVariant(round(float(rowItem['Result']), 2))) memoryLayer.commitChanges() myStyle = QgsStyle().defaultStyle() defaultColorRampNames = myStyle.colorRampNames() ramp = myStyle.colorRamp(defaultColorRampNames[0]) ranges = [] nCats = ramp.count() rng = maxValue - minValue nCats = 8 scale = QgsMapUnitScale(minValue, maxValue) if method == "Color": color1 = list( map(lambda x: int(x), color['color1'].split(",")[0:3])) color2 = list( map(lambda x: int(x), color['color2'].split(",")[0:3])) interpolatedColors = HP.linear_gradient(color1, color2, nCats) for i in range(0, nCats): v0 = minValue + rng / float(nCats) * i v1 = minValue + rng / float(nCats) * (i + 1) if method == "Color": line = QgsSimpleLineSymbolLayer( QColor(interpolatedColors['r'][i], interpolatedColors['g'][i], interpolatedColors['b'][i])) line.setOffsetUnit(2) line.setOffset(2) line.setWidth(0.8) symbol = QgsLineSymbol() symbol.changeSymbolLayer(0, line) myRange = QgsRendererRange(v0, v1, symbol, "") elif method == "Size": qcolor = QColor() qcolor.setRgb(color) line = QgsSimpleLineSymbolLayer(qcolor) line.setOffsetUnit(2) line.setOffset(0.7) # Symbol # symbolLine = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayerBase.ArrowHead) # Mark line # markLine = QgsMarkerLineSymbolLayer() # markLine.setPlacement(4) symbolo = QgsLineSymbol() symbolo.changeSymbolLayer(0, line) # symbolo.appendSymbolLayer(line) myRange = QgsRendererRange(v0, v1, symbolo, "") ranges.append(myRange) # The first parameter refers to the name of the field that contains the calculated value (expression) modeRender = QgsGraduatedSymbolRenderer.Mode(2) renderer = QgsGraduatedSymbolRenderer(joinedFieldName, ranges) renderer.setMode(modeRender) renderer.setGraduatedMethod(intMethod) if method == "Size": renderer.setSymbolSizes(0.200000, 2.60000) renderer.setSourceColorRamp(ramp) memoryLayer.setRenderer(renderer) typeLayer = "network" fieldName = "LINKID" networkExpressionText = str(scenariosExpression) # Create XML File ".qtranus" with the parameters of the executions if FileMXML.if_exist_xml_layers(projectPath): if FileMXML.if_exist_layer(projectPath, memoryLayer.id()): FileMXML.update_xml_file(memoryLayer.name(), memoryLayer.id(), scenariosExpression, variable, networkExpression, projectPath, expressionNetworkText, method, level, color) else: FileMXML.add_layer_xml_file(memoryLayer.name(), memoryLayer.id(), scenariosExpression, variable, networkExpression, projectPath, expressionNetworkText, shpField, typeLayer, method, level, color) else: FileMXML.create_xml_file(memoryLayer.name(), memoryLayer.id(), scenariosExpression, variable, networkExpression, projectPath, expressionNetworkText, shpField, typeLayer, method, level, color) #group.insertLayer((layersCount+1), memoryLayer) progressBar.setValue(100) return True
def append_CartographicLineSymbolLayer(symbol, layer): """ Appends a CartographicLineSymbolLayer to a symbol """ color = symbol_color_to_qcolor(layer.color) out = QgsSimpleLineSymbolLayer(color) out.setEnabled(layer.enabled) out.setLocked(layer.locked) out.setWidth(points_to_mm(layer.width)) out.setPenJoinStyle(symbol_pen_to_qpenjoinstyle(layer.join)) out.setPenCapStyle(symbol_pen_to_qpencapstyle(layer.cap)) if layer.pattern_parts: interval = layer.pattern_interval dash_vector = [] for part in layer.pattern_parts: dash_vector.append(points_to_mm(part[0] * interval)) dash_vector.append(points_to_mm(part[1] * interval)) out.setCustomDashVector(dash_vector) out.setUseCustomDashPattern(True) # better matching of null stroke color to QGIS symbology if out.color().alpha() == 0: out.setPenStyle(Qt.NoPen) if layer.marker_positions or layer.marker: raise NotImplementedException( 'Cartographic line start/end markers are not yet supported') # todo - change to new symbol layer if outline offset set symbol.appendSymbolLayer(out)
def append_CartographicLineSymbolLayer(symbol, layer: CartographicLineSymbolLayer): """ Appends a CartographicLineSymbolLayer to a symbol """ color = symbol_color_to_qcolor(layer.color) out = QgsSimpleLineSymbolLayer(color) out.setEnabled(layer.enabled) out.setLocked(layer.locked) out.setWidth(layer.width) out.setWidthUnit(QgsUnitTypes.RenderPoints) out.setPenJoinStyle(symbol_pen_to_qpenjoinstyle(layer.join)) out.setPenCapStyle(symbol_pen_to_qpencapstyle(layer.cap)) if layer.template is not None: apply_template_to_LineSymbolLayer_custom_dash(layer.template, out) # better matching of null stroke color to QGIS symbology if out.color().alpha() == 0: out.setPenStyle(Qt.NoPen) out.setOffset(layer.offset) out.setOffsetUnit(QgsUnitTypes.RenderPoints) symbol.appendSymbolLayer(out) if layer.decoration is not None: append_Decorations(symbol, layer.decoration)