def testRenderLayerWithReferenceScale(self): layer = QgsAnnotationLayer( 'test', QgsAnnotationLayer.LayerOptions( QgsProject.instance().transformContext())) layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326')) self.assertTrue(layer.isValid()) item = QgsAnnotationPolygonItem( QgsPolygon( QgsLineString([ QgsPoint(12, 13), QgsPoint(14, 13), QgsPoint(14, 15), QgsPoint(12, 13) ]))) item.setSymbol( QgsFillSymbol.createSimple({ 'color': '200,100,100', 'outline_color': 'black', 'outline_width': '2' })) item.setZIndex(3) i1_id = 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) i2_id = layer.addItem(item) item = QgsAnnotationMarkerItem(QgsPoint(12, 13)) item.setSymbol( QgsMarkerSymbol.createSimple({ 'color': '100,200,200', 'size': '6', 'outline_color': 'black' })) item.setZIndex(1) i3_id = layer.addItem(item) settings = QgsMapSettings() settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326')) settings.setExtent(QgsRectangle(10, 10, 18, 18)) settings.setOutputSize(QSize(300, 300)) settings.setFlag(QgsMapSettings.Antialiasing, False) rc = QgsRenderContext.fromMapSettings(settings) layer.item(i1_id).setUseSymbologyReferenceScale(True) layer.item(i1_id).setSymbologyReferenceScale(rc.rendererScale() * 2) # note item 3 has use symbology reference scale set to false, so should be ignored layer.item(i2_id).setUseSymbologyReferenceScale(False) layer.item(i2_id).setSymbologyReferenceScale(rc.rendererScale() * 2) layer.item(i3_id).setUseSymbologyReferenceScale(True) layer.item(i3_id).setSymbologyReferenceScale(rc.rendererScale() * 2) image = QImage(200, 200, QImage.Format_ARGB32) image.setDotsPerMeterX(int(96 / 25.4 * 1000)) image.setDotsPerMeterY(int(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_reference_scale', 'layer_render_reference_scale', image)) # also check details of rendered items item_details = renderer.takeRenderedItemDetails() self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3) self.assertCountEqual([i.itemId() for i in item_details], [i1_id, i2_id, i3_id]) self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i1_id][0], QgsRectangle(12, 13, 14, 15)) self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i2_id][0], QgsRectangle(11, 13, 12, 15)) self.assertEqual([ i.boundingBox().toString(1) for i in item_details if i.itemId() == i3_id ][0], '11.4,12.4 : 12.6,13.6')
def test_resetSnappingIndex(self): self.pointsLayer.setDependencies([]) self.linesLayer.setDependencies([]) self.pointsLayer2.setDependencies([]) ms = QgsMapSettings() ms.setOutputSize(QSize(100, 100)) ms.setExtent(QgsRectangle(0, 0, 1, 1)) self.assertTrue(ms.hasValidSettings()) u = QgsSnappingUtils() u.setMapSettings(ms) cfg = u.config() cfg.setEnabled(True) cfg.setMode(QgsSnappingConfig.AdvancedConfiguration) cfg.setIndividualLayerSettings( self.pointsLayer, QgsSnappingConfig.IndividualLayerSettings(True, QgsSnappingConfig.Vertex, 20, QgsTolerance.Pixels)) u.setConfig(cfg) m = u.snapToMap(QPoint(95, 100)) self.assertTrue(m.isValid()) self.assertTrue(m.hasVertex()) self.assertEqual(m.point(), QgsPointXY(1, 0)) f = QgsFeature(self.linesLayer.fields()) f.setId(1) geom = QgsGeometry.fromWkt("LINESTRING(0 0,1 1)") f.setGeometry(geom) self.linesLayer.startEditing() self.linesLayer.addFeatures([f]) self.linesLayer.commitChanges() l1 = len([f for f in self.pointsLayer.getFeatures()]) self.assertEqual(l1, 4) m = u.snapToMap(QPoint(95, 0)) # snapping not updated self.pointsLayer.setDependencies([]) self.assertEqual(m.isValid(), False) # set layer dependencies self.pointsLayer.setDependencies( [QgsMapLayerDependency(self.linesLayer.id())]) # add another line f = QgsFeature(self.linesLayer.fields()) f.setId(2) geom = QgsGeometry.fromWkt("LINESTRING(0 0,0.5 0.5)") f.setGeometry(geom) self.linesLayer.startEditing() self.linesLayer.addFeatures([f]) self.linesLayer.commitChanges() # check the snapped point is OK m = u.snapToMap(QPoint(45, 50)) self.assertTrue(m.isValid()) self.assertTrue(m.hasVertex()) self.assertEqual(m.point(), QgsPointXY(0.5, 0.5)) self.pointsLayer.setDependencies([]) # test chained layer dependencies A -> B -> C cfg.setIndividualLayerSettings( self.pointsLayer2, QgsSnappingConfig.IndividualLayerSettings(True, QgsSnappingConfig.Vertex, 20, QgsTolerance.Pixels)) u.setConfig(cfg) self.pointsLayer.setDependencies( [QgsMapLayerDependency(self.linesLayer.id())]) self.pointsLayer2.setDependencies( [QgsMapLayerDependency(self.pointsLayer.id())]) # add another line f = QgsFeature(self.linesLayer.fields()) f.setId(3) geom = QgsGeometry.fromWkt("LINESTRING(0 0.2,0.5 0.8)") f.setGeometry(geom) self.linesLayer.startEditing() self.linesLayer.addFeatures([f]) self.linesLayer.commitChanges() # check the second snapped point is OK m = u.snapToMap(QPoint(75, 100 - 80)) self.assertTrue(m.isValid()) self.assertTrue(m.hasVertex()) self.assertEqual(m.point(), QgsPointXY(0.7, 0.8)) self.pointsLayer.setDependencies([]) self.pointsLayer2.setDependencies([])
def testPointsUsedAttributes(self): points_shp = os.path.join(TEST_DATA_DIR, 'points.shp') points_layer = QgsVectorLayer(points_shp, 'Points', 'ogr') QgsProject.instance().addMapLayer(points_layer) # Create rulebased style sym1 = QgsMarkerSymbol() l1 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5) l1.setColor(QColor(255, 0, 0)) l1.setStrokeStyle(Qt.NoPen) l1.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle, QgsProperty.fromField("Heading")) sym1.changeSymbolLayer(0, l1) sym2 = QgsMarkerSymbol() l2 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5) l2.setColor(QColor(0, 255, 0)) l2.setStrokeStyle(Qt.NoPen) l2.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle, QgsProperty.fromField("Heading")) sym2.changeSymbolLayer(0, l2) sym3 = QgsMarkerSymbol() l3 = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Triangle, 5) l3.setColor(QColor(0, 0, 255)) l3.setStrokeStyle(Qt.NoPen) l3.setDataDefinedProperty(QgsSymbolLayer.PropertyAngle, QgsProperty.fromField("Heading")) sym3.changeSymbolLayer(0, l3) r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, '"Class" = \'B52\'') r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, '"Class" = \'Biplane\'') r3 = QgsRuleBasedRenderer.Rule(sym3, 0, 0, '"Class" = \'Jet\'') rootrule = QgsRuleBasedRenderer.Rule(None) rootrule.appendChild(r1) rootrule.appendChild(r2) rootrule.appendChild(r3) renderer = QgsRuleBasedRenderer(rootrule) points_layer.setRenderer(renderer) ms = QgsMapSettings() ms.setOutputSize(QSize(400, 400)) ms.setOutputDpi(96) ms.setExtent(QgsRectangle(-133, 22, -70, 52)) ms.setLayers([points_layer]) ctx = QgsRenderContext.fromMapSettings(ms) ctx.expressionContext().appendScope( points_layer.createExpressionContextScope()) # for symbol layer self.assertCountEqual(l1.usedAttributes(ctx), {'Heading'}) # for symbol self.assertCountEqual(sym1.usedAttributes(ctx), {'Heading'}) # for symbol renderer self.assertCountEqual(renderer.usedAttributes(ctx), {'Class', 'Heading'}) QgsProject.instance().removeMapLayer(points_layer)
def testTransparency(self): myPath = os.path.join(unitTestDataPath('raster'), 'band1_float32_noct_epsg4326.tif') myFileInfo = QFileInfo(myPath) myBaseName = myFileInfo.baseName() myRasterLayer = QgsRasterLayer(myPath, myBaseName) myMessage = 'Raster not loaded: %s' % myPath assert myRasterLayer.isValid(), myMessage renderer = QgsSingleBandGrayRenderer(myRasterLayer.dataProvider(), 1) myRasterLayer.setRenderer(renderer) myRasterLayer.setContrastEnhancement( QgsContrastEnhancement.StretchToMinimumMaximum, QgsRasterMinMaxOrigin.MinMax) myContrastEnhancement = myRasterLayer.renderer().contrastEnhancement() # print ("myContrastEnhancement.minimumValue = %.17g" % # myContrastEnhancement.minimumValue()) # print ("myContrastEnhancement.maximumValue = %.17g" % # myContrastEnhancement.maximumValue()) # Unfortunately the minimum/maximum values calculated in C++ and Python # are slightly different (e.g. 3.3999999521443642e+38 x # 3.3999999521444001e+38) # It is not clear where the precision is lost. # We set the same values as C++. myContrastEnhancement.setMinimumValue(-3.3319999287625854e+38) myContrastEnhancement.setMaximumValue(3.3999999521443642e+38) #myType = myRasterLayer.dataProvider().dataType(1); #myEnhancement = QgsContrastEnhancement(myType); myTransparentSingleValuePixelList = [] rasterTransparency = QgsRasterTransparency() myTransparentPixel1 = \ QgsRasterTransparency.TransparentSingleValuePixel() myTransparentPixel1.min = -2.5840000772112106e+38 myTransparentPixel1.max = -1.0879999684602689e+38 myTransparentPixel1.percentTransparent = 50 myTransparentSingleValuePixelList.append(myTransparentPixel1) myTransparentPixel2 = \ QgsRasterTransparency.TransparentSingleValuePixel() myTransparentPixel2.min = 1.359999960575336e+37 myTransparentPixel2.max = 9.520000231087593e+37 myTransparentPixel2.percentTransparent = 70 myTransparentSingleValuePixelList.append(myTransparentPixel2) rasterTransparency.setTransparentSingleValuePixelList( myTransparentSingleValuePixelList) rasterRenderer = myRasterLayer.renderer() assert rasterRenderer rasterRenderer.setRasterTransparency(rasterTransparency) QgsProject.instance().addMapLayers([myRasterLayer, ]) myMapSettings = QgsMapSettings() myMapSettings.setLayers([myRasterLayer]) myMapSettings.setExtent(myRasterLayer.extent()) myChecker = QgsRenderChecker() myChecker.setControlName("expected_raster_transparency") myChecker.setMapSettings(myMapSettings) myResultFlag = myChecker.runTest("raster_transparency_python") assert myResultFlag, "Raster transparency rendering test failed"
def testSymbolExpressionRender(self): """Test expressions embedded in legend node text""" point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') layout = QgsPrintLayout(QgsProject.instance()) layout.setName('LAYOUT') layout.initializeDefaults() map = QgsLayoutItemMap(layout) map.attemptSetSceneRect(QRectF(20, 20, 80, 80)) map.setFrameEnabled(True) map.setLayers([point_layer]) layout.addLayoutItem(map) map.setExtent(point_layer.extent()) legend = QgsLayoutItemLegend(layout) legend.setTitle("Legend") legend.attemptSetSceneRect(QRectF(120, 20, 100, 100)) legend.setFrameEnabled(True) legend.setFrameStrokeWidth(QgsLayoutMeasurement(2)) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') legend.setLegendFilterByMapEnabled(False) legend.setStyleFont(QgsLegendStyle.Title, QgsFontUtils.getStandardTestFont('Bold', 16)) legend.setStyleFont(QgsLegendStyle.Group, QgsFontUtils.getStandardTestFont('Bold', 16)) legend.setStyleFont(QgsLegendStyle.Subgroup, QgsFontUtils.getStandardTestFont('Bold', 16)) legend.setStyleFont(QgsLegendStyle.Symbol, QgsFontUtils.getStandardTestFont('Bold', 16)) legend.setStyleFont(QgsLegendStyle.SymbolLabel, QgsFontUtils.getStandardTestFont('Bold', 16)) legend.setAutoUpdateModel(False) QgsProject.instance().addMapLayers([point_layer]) s = QgsMapSettings() s.setLayers([point_layer]) group = legend.model().rootGroup().addGroup( "Group [% 1 + 5 %] [% @layout_name %]") layer_tree_layer = group.addLayer(point_layer) counterTask = point_layer.countSymbolFeatures() counterTask.waitForFinished() layer_tree_layer.setCustomProperty( "legend/title-label", 'bbbb [% 1+2 %] xx [% @layout_name %] [% @layer_name %]') QgsMapLayerLegendUtils.setLegendNodeUserLabel(layer_tree_layer, 0, 'xxxx') legend.model().refreshLayerLegend(layer_tree_layer) layer_tree_layer.setLabelExpression( 'Concat(@symbol_id, @symbol_label, count("Class"))') legend.model().layerLegendNodes(layer_tree_layer)[0].setUserLabel( ' sym 1') legend.model().layerLegendNodes(layer_tree_layer)[1].setUserLabel( '[%@symbol_count %]') legend.model().layerLegendNodes(layer_tree_layer)[2].setUserLabel( '[% count("Class") %]') layout.addLayoutItem(legend) legend.setLinkedMap(map) legend.updateLegend() print(layer_tree_layer.labelExpression()) map.setExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30)) checker = QgsLayoutChecker('composer_legend_symbol_expression', layout) checker.setControlPathPrefix("composer_legend") sleep(4) result, message = checker.testLayout() self.assertTrue(result, message) QgsProject.instance().removeMapLayers([point_layer.id()])
def setUp(self): """Run before each test.""" self.mapSettings = QgsMapSettings() self.mComposition = QgsComposition(self.mapSettings) self.mComposition.setPaperSize(297, 210) #A4 landscape
def testRenderMultipleRenderersAboveAndBelow(self): poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp')) self.assertTrue(poly_layer.isValid()) sym1 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#000000', 'outline_width': '1' }) renderer = QgsSingleSymbolRenderer(sym1) poly_layer.setRenderer(renderer) # add secondary renderer, for rendering below class Gen1(QgsFeatureRendererGenerator): def id(self): return 'Gen1' def level(self): return 3 def createRenderer(self): renderer = QgsCategorizedSymbolRenderer() renderer.setClassAttribute('Name') cf1 = QgsCentroidFillSymbolLayer() cf1.setSubSymbol( QgsMarkerSymbol.createSimple({ 'color': '#33aa33', 'outline_style': 'no', 'size': '5' })) sym1 = QgsFillSymbol([cf1]) cf2 = QgsCentroidFillSymbolLayer() cf2.setSubSymbol( QgsMarkerSymbol.createSimple({ 'color': '#aa33aa', 'outline_style': 'no', 'size': '5' })) sym2 = QgsFillSymbol([cf2]) renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam')) renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake')) return renderer # add secondary renderer, for rendering below class Gen2(QgsFeatureRendererGenerator): def id(self): return 'Gen2' def level(self): return 2 def createRenderer(self): renderer = QgsCategorizedSymbolRenderer() renderer.setClassAttribute('Value < 12') cf1 = QgsCentroidFillSymbolLayer() cf1.setSubSymbol( QgsMarkerSymbol.createSimple({ 'color': '#aa1111', 'outline_style': 'no', 'size': '8' })) sym1 = QgsFillSymbol([cf1]) cf2 = QgsCentroidFillSymbolLayer() cf2.setSubSymbol( QgsMarkerSymbol.createSimple({ 'color': '#1111dd', 'outline_style': 'no', 'size': '8' })) sym2 = QgsFillSymbol([cf2]) renderer.addCategory(QgsRendererCategory('1', sym1, '1')) renderer.addCategory(QgsRendererCategory('0', sym2, '0')) return renderer # add secondary renderer, for rendering below class Gen1b(QgsFeatureRendererGenerator): def id(self): return 'Gen1b' def level(self): return -2 def createRenderer(self): renderer = QgsCategorizedSymbolRenderer() renderer.setClassAttribute('Name') sym1 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#33aa33', 'outline_width': '3' }) sym2 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#aa33aa', 'outline_width': '3' }) renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam')) renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake')) return renderer # add secondary renderer, for rendering below class Gen2b(QgsFeatureRendererGenerator): def id(self): return 'Gen2b' def level(self): return -3 def createRenderer(self): renderer = QgsCategorizedSymbolRenderer() renderer.setClassAttribute('Value < 12') sym1 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#aa1111', 'outline_width': '5' }) sym2 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#1111dd', 'outline_width': '5' }) renderer.addCategory(QgsRendererCategory('1', sym1, '1')) renderer.addCategory(QgsRendererCategory('0', sym2, '0')) return renderer poly_layer.addFeatureRendererGenerator(Gen1()) poly_layer.addFeatureRendererGenerator(Gen2()) poly_layer.addFeatureRendererGenerator(Gen1b()) poly_layer.addFeatureRendererGenerator(Gen2b()) mapsettings = QgsMapSettings() mapsettings.setOutputSize(QSize(400, 400)) mapsettings.setOutputDpi(96) mapsettings.setDestinationCrs( QgsCoordinateReferenceSystem('EPSG:3857')) mapsettings.setExtent( QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5)) mapsettings.setLayers([poly_layer]) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName( 'expected_multiple_renderers_both_above_below') result = renderchecker.runTest( 'expected_multiple_renderers_both_above_below') self.report += renderchecker.report() self.assertTrue(result) # also try with symbol levels renderer.setUsingSymbolLevels(True) poly_layer.setRenderer(renderer) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName( 'expected_multiple_renderers_both_above_below') result = renderchecker.runTest( 'expected_multiple_renderers_both_above_below') self.report += renderchecker.report() self.assertTrue(result)
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)
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)
def testIntersectionRuleBased(self): """ Test that rule based renderer using intersection clip paths correctly uses original feature area for rule evaluation, not clipped area """ poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp')) self.assertTrue(poly_layer.isValid()) sym1 = QgsFillSymbol.createSimple({ 'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1' }) sym2 = QgsFillSymbol.createSimple({ 'color': '#00ffff', 'outline_color': '#000000', 'outline_width': '1' }) r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, 'area($geometry)>25') r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, 'ELSE') rootrule = QgsRuleBasedRenderer.Rule(None) rootrule.appendChild(r1) rootrule.appendChild(r2) renderer = QgsRuleBasedRenderer(rootrule) poly_layer.setRenderer(renderer) mapsettings = QgsMapSettings() mapsettings.setOutputSize(QSize(400, 400)) mapsettings.setOutputDpi(96) mapsettings.setDestinationCrs( QgsCoordinateReferenceSystem('EPSG:3857')) mapsettings.setExtent( QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5)) mapsettings.setLayers([poly_layer]) mapsettings.setEllipsoid('') region = QgsMapClippingRegion( QgsGeometry.fromWkt( 'Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))' )) region.setFeatureClip( QgsMapClippingRegion.FeatureClippingType.ClipToIntersection) region2 = QgsMapClippingRegion( QgsGeometry.fromWkt( 'Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))' )) region2.setFeatureClip( QgsMapClippingRegion.FeatureClippingType.ClipToIntersection) mapsettings.addClippingRegion(region) mapsettings.addClippingRegion(region2) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName('expected_intersection_rule_based') result = renderchecker.runTest('expected_intersection_rule_based') self.report += renderchecker.report() self.assertTrue(result) # also try with symbol levels renderer.setUsingSymbolLevels(True) poly_layer.setRenderer(renderer) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName('expected_intersection_rule_based') result = renderchecker.runTest('expected_intersection_rule_based') self.report += renderchecker.report() self.assertTrue(result)
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) # with symbologyReferenceScale set c = QgsMapUnitScale() r.setSymbologyReferenceScale(1000) r.setRendererScale(1000) 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) r.setRendererScale(2000) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c) self.assertAlmostEqual(sf, 0.5 / 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c) self.assertAlmostEqual(sf, 11.8110236 / 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c) self.assertAlmostEqual(sf, 4.166666665625 / 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c) self.assertAlmostEqual(sf, 300.0 / 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c) self.assertAlmostEqual(sf, 1.0 / 2, places=5) r.setRendererScale(500) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMapUnits, c) self.assertAlmostEqual(sf, 0.5 * 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderMillimeters, c) self.assertAlmostEqual(sf, 11.8110236 * 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPoints, c) self.assertAlmostEqual(sf, 4.166666665625 * 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderInches, c) self.assertAlmostEqual(sf, 300.0 * 2, places=5) sf = r.convertToPainterUnits(1, QgsUnitTypes.RenderPixels, c) self.assertAlmostEqual(sf, 1.0 * 2, places=5)
def test_render_via_job_with_transform(self): """ Test rendering an annotation layer via a map render job """ 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) i1_id = 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) i2_id = layer.addItem(item) item = QgsAnnotationMarkerItem(QgsPoint(12, 13)) item.setSymbol( QgsMarkerSymbol.createSimple({ 'color': '100,200,200', 'size': '6', 'outline_color': 'black' })) item.setZIndex(3) i3_id = 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(200, 200)) settings.setLayers([layer]) job = QgsMapRendererSequentialJob(settings) job.start() job.waitForFinished() # check rendered item results item_results = job.takeRenderedItemResults() item_details = item_results.renderedItems() self.assertEqual(len(item_details), 3) self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3) self.assertCountEqual([i.itemId() for i in item_details], [i1_id, i2_id, i3_id]) # bounds should be in map crs self.assertEqual( [ QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i1_id ][0], 'Polygon ((1280174 1459732, 1335834 1459732, 1335834 1516914, 1280174 1516914, 1280174 1459732))' ) self.assertEqual( [ QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i2_id ][0], 'Polygon ((1224514 1459732, 1335834 1459732, 1335834 1689200, 1224514 1689200, 1224514 1459732))' ) expected = 'Polygon ((1325786 1449684, 1345882 1449684, 1345882 1469780, 1325786 1469780, 1325786 1449684))' result = [ QgsGeometry.fromRect(i.boundingBox()).asWkt(0) for i in item_details if i.itemId() == i3_id ][0] self.assertTrue( compareWkt(result, expected, tol=1000), "mismatch Expected:\n{}\nGot:\n{}\n".format(expected, result))
def test_render_via_job(self): """ Test rendering an annotation layer via a map render job """ 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) i1_id = 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) i2_id = layer.addItem(item) item = QgsAnnotationMarkerItem(QgsPoint(12, 13)) item.setSymbol( QgsMarkerSymbol.createSimple({ 'color': '100,200,200', 'size': '6', 'outline_color': 'black' })) item.setZIndex(3) i3_id = layer.addItem(item) layer.setCrs(QgsCoordinateReferenceSystem('EPSG:4326')) settings = QgsMapSettings() settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326')) settings.setExtent(QgsRectangle(10, 10, 18, 18)) settings.setOutputSize(QSize(200, 200)) settings.setLayers([layer]) job = QgsMapRendererParallelJob(settings) job.start() job.waitForFinished() # check rendered item results item_results = job.takeRenderedItemResults() item_details = item_results.renderedItems() self.assertEqual(len(item_details), 3) self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3) self.assertCountEqual([i.itemId() for i in item_details], [i1_id, i2_id, i3_id]) self.assertCountEqual([ i.itemId() for i in item_results.renderedAnnotationItemsInBounds( QgsRectangle(0, 0, 1, 1)) ], []) self.assertCountEqual([ i.itemId() for i in item_results.renderedAnnotationItemsInBounds( QgsRectangle(10, 10, 11, 18)) ], [i2_id]) self.assertCountEqual([ i.itemId() for i in item_results.renderedAnnotationItemsInBounds( QgsRectangle(10, 10, 12, 18)) ], [i1_id, i2_id, i3_id]) # bounds should be in map crs self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i1_id][0], QgsRectangle(11.5, 13, 12, 13.5)) self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i2_id][0], QgsRectangle(11, 13, 12, 15)) self.assertEqual([ i.boundingBox().toString(1) for i in item_details if i.itemId() == i3_id ][0], '11.5,12.5 : 12.5,13.5')
def test_signalConnection(self): # remove all layers QgsProject.instance().removeAllMapLayers() # set dependencies and add back layers self.pointsLayer = QgsVectorLayer( "dbname='%s' table=\"node\" (geom) sql=" % self.fn, "points", "spatialite") assert (self.pointsLayer.isValid()) self.linesLayer = QgsVectorLayer( "dbname='%s' table=\"section\" (geom) sql=" % self.fn, "lines", "spatialite") assert (self.linesLayer.isValid()) self.pointsLayer2 = QgsVectorLayer( "dbname='%s' table=\"node2\" (geom) sql=" % self.fn, "_points2", "spatialite") assert (self.pointsLayer2.isValid()) self.pointsLayer.setDependencies( [QgsMapLayerDependency(self.linesLayer.id())]) self.pointsLayer2.setDependencies( [QgsMapLayerDependency(self.pointsLayer.id())]) # this should update connections between layers QgsProject.instance().addMapLayers([self.pointsLayer]) QgsProject.instance().addMapLayers([self.linesLayer]) QgsProject.instance().addMapLayers([self.pointsLayer2]) ms = QgsMapSettings() ms.setOutputSize(QSize(100, 100)) ms.setExtent(QgsRectangle(0, 0, 1, 1)) self.assertTrue(ms.hasValidSettings()) u = QgsSnappingUtils() u.setMapSettings(ms) cfg = u.config() cfg.setEnabled(True) cfg.setMode(QgsSnappingConfig.AdvancedConfiguration) cfg.setIndividualLayerSettings( self.pointsLayer, QgsSnappingConfig.IndividualLayerSettings(True, QgsSnappingConfig.Vertex, 20, QgsTolerance.Pixels)) cfg.setIndividualLayerSettings( self.pointsLayer2, QgsSnappingConfig.IndividualLayerSettings(True, QgsSnappingConfig.Vertex, 20, QgsTolerance.Pixels)) u.setConfig(cfg) # add another line f = QgsFeature(self.linesLayer.fields()) f.setId(4) geom = QgsGeometry.fromWkt("LINESTRING(0.5 0.2,0.6 0)") f.setGeometry(geom) self.linesLayer.startEditing() self.linesLayer.addFeatures([f]) self.linesLayer.commitChanges() # check the second snapped point is OK m = u.snapToMap(QPoint(75, 100 - 0)) self.assertTrue(m.isValid()) self.assertTrue(m.hasVertex()) self.assertEqual(m.point(), QgsPointXY(0.8, 0.0)) self.pointsLayer.setDependencies([]) self.pointsLayer2.setDependencies([])
def testRenderMultipleRenderersSelection(self): """ Test that selection colors only apply to main renderer :return: """ poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp')) self.assertTrue(poly_layer.isValid()) poly_layer.selectAll() sym1 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#000000', 'outline_style': 'no' }) renderer = QgsSingleSymbolRenderer(sym1) poly_layer.setRenderer(renderer) # add secondary renderer, for rendering below class Gen1(QgsFeatureRendererGenerator): def id(self): return 'Gen1' def level(self): return -2 def createRenderer(self): renderer = QgsCategorizedSymbolRenderer() renderer.setClassAttribute('Name') sym1 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#33aa33', 'outline_width': '3' }) sym2 = QgsFillSymbol.createSimple({ 'color': '#ffaaff', 'outline_color': '#aa33aa', 'outline_width': '3' }) renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam')) renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake')) return renderer poly_layer.addFeatureRendererGenerator(Gen1()) mapsettings = QgsMapSettings() mapsettings.setOutputSize(QSize(400, 400)) mapsettings.setOutputDpi(96) mapsettings.setDestinationCrs( QgsCoordinateReferenceSystem('EPSG:3857')) mapsettings.setExtent( QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5)) mapsettings.setLayers([poly_layer]) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName('expected_multiple_renderers_selection') result = renderchecker.runTest('expected_multiple_renderers_selection') self.report += renderchecker.report() self.assertTrue(result) # also try with symbol levels renderer.setUsingSymbolLevels(True) poly_layer.setRenderer(renderer) renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(mapsettings) renderchecker.setControlPathPrefix('vectorlayerrenderer') renderchecker.setControlName('expected_multiple_renderers_selection') result = renderchecker.runTest('expected_multiple_renderers_selection') self.report += renderchecker.report() self.assertTrue(result)
def generate(self, writer, parameters, context, feedback): self.feedback = feedback feedback.setProgress(1) extent = self.parameterAsExtent(parameters, self.EXTENT, context) self.min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context) self.max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context) dpi = self.parameterAsInt(parameters, self.DPI, context) self.color = self.parameterAsColor(parameters, self.BACKGROUND_COLOR, context) self.tile_format = self.formats[self.parameterAsEnum(parameters, self.TILE_FORMAT, context)] self.quality = self.parameterAsInt(parameters, self.QUALITY, context) self.metatilesize = self.parameterAsInt(parameters, self.METATILESIZE, context) self.maxThreads = int(ProcessingConfig.getSetting(ProcessingConfig.MAX_THREADS)) try: self.tile_width = self.parameterAsInt(parameters, self.TILE_WIDTH, context) self.tile_height = self.parameterAsInt(parameters, self.TILE_HEIGHT, context) except AttributeError: self.tile_width = 256 self.tile_height = 256 wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326') dest_crs = QgsCoordinateReferenceSystem('EPSG:3857') project = context.project() self.src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs, context.transformContext()) self.wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs, context.transformContext()) # without re-writing, we need a different settings for each thread to stop async errors # naming doesn't always line up, but the last number does self.settingsDictionary = {str(i): QgsMapSettings() for i in range(self.maxThreads)} for thread in self.settingsDictionary: self.settingsDictionary[thread].setOutputImageFormat(QImage.Format_ARGB32_Premultiplied) self.settingsDictionary[thread].setDestinationCrs(dest_crs) self.settingsDictionary[thread].setLayers(self.layers) self.settingsDictionary[thread].setOutputDpi(dpi) if self.tile_format == 'PNG': self.settingsDictionary[thread].setBackgroundColor(self.color) ## disable partial labels (they would be cut at the edge of tiles) labeling_engine_settings = self.settingsDictionary[thread].labelingEngineSettings() labeling_engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False) self.settingsDictionary[thread].setLabelingEngineSettings(labeling_engine_settings) # Transfer context scopes to MapSettings self.settingsDictionary[thread].setExpressionContext(context.expressionContext()) self.wgs_extent = self.src_to_wgs.transformBoundingBox(extent) self.wgs_extent = [self.wgs_extent.xMinimum(), self.wgs_extent.yMinimum(), self.wgs_extent.xMaximum(), self.wgs_extent.yMaximum()] metatiles_by_zoom = {} self.totalMetatiles = 0 allMetatiles = [] for zoom in range(self.min_zoom, self.max_zoom + 1): metatiles = get_metatiles(self.wgs_extent, zoom, self.metatilesize) metatiles_by_zoom[zoom] = metatiles allMetatiles += metatiles self.totalMetatiles += len(metatiles) lab_buffer_px = 100 self.progress = 0 tile_params = { 'format': self.tile_format, 'quality': self.quality, 'width': self.tile_width, 'height': self.tile_height, 'min_zoom': self.min_zoom, 'max_zoom': self.max_zoom, 'extent': self.wgs_extent, } writer.set_parameters(tile_params) self.writer = writer self.progressThreadLock = threading.Lock() if self.maxThreads > 1: feedback.pushConsoleInfo(self.tr('Using {max_threads} CPU Threads:').format(max_threads=self.maxThreads)) for zoom in range(self.min_zoom, self.max_zoom + 1): feedback.pushConsoleInfo(self.tr('Generating tiles for zoom level: {zoom}').format(zoom=zoom)) with ThreadPoolExecutor(max_workers=self.maxThreads) as threadPool: threadPool.map(self.renderSingleMetatile, metatiles_by_zoom[zoom]) else: feedback.pushConsoleInfo(self.tr('Using 1 CPU Thread:')) for zoom in range(self.min_zoom, self.max_zoom + 1): feedback.pushConsoleInfo(self.tr('Generating tiles for zoom level: {zoom}').format(zoom=zoom)) for i, metatile in enumerate(metatiles_by_zoom[zoom]): self.renderSingleMetatile(metatile) writer.close()
def generate(self, writer, parameters, context, feedback): feedback.setProgress(1) extent = self.parameterAsExtent(parameters, self.EXTENT, context) self.min_zoom = self.parameterAsInt(parameters, self.ZOOM_MIN, context) self.max_zoom = self.parameterAsInt(parameters, self.ZOOM_MAX, context) dpi = self.parameterAsInt(parameters, self.DPI, context) self.tile_format = self.formats[self.parameterAsEnum( parameters, self.TILE_FORMAT, context)] quality = self.parameterAsInt(parameters, self.QUALITY, context) try: tile_width = self.parameterAsInt(parameters, self.TILE_WIDTH, context) tile_height = self.parameterAsInt(parameters, self.TILE_HEIGHT, context) except AttributeError: tile_width = 256 tile_height = 256 wgs_crs = QgsCoordinateReferenceSystem('EPSG:4326') dest_crs = QgsCoordinateReferenceSystem('EPSG:3857') project = context.project() src_to_wgs = QgsCoordinateTransform(project.crs(), wgs_crs, context.transformContext()) wgs_to_dest = QgsCoordinateTransform(wgs_crs, dest_crs, context.transformContext()) settings = QgsMapSettings() settings.setOutputImageFormat(QImage.Format_ARGB32_Premultiplied) settings.setDestinationCrs(dest_crs) settings.setLayers(self.layers) settings.setOutputDpi(dpi) if self.tile_format == 'PNG': settings.setBackgroundColor(QColor(Qt.transparent)) # disable partial labels (they would be cut at the edge of tiles) labeling_engine_settings = settings.labelingEngineSettings() labeling_engine_settings.setFlag( QgsLabelingEngineSettings.UsePartialCandidates, False) settings.setLabelingEngineSettings(labeling_engine_settings) self.wgs_extent = src_to_wgs.transformBoundingBox(extent) self.wgs_extent = [ self.wgs_extent.xMinimum(), self.wgs_extent.yMinimum(), self.wgs_extent.xMaximum(), self.wgs_extent.yMaximum() ] metatiles_by_zoom = {} metatiles_count = 0 for zoom in range(self.min_zoom, self.max_zoom + 1): metatiles = get_metatiles(self.wgs_extent, zoom, 4) metatiles_by_zoom[zoom] = metatiles metatiles_count += len(metatiles) lab_buffer_px = 100 progress = 0 tile_params = { 'format': self.tile_format, 'quality': quality, 'width': tile_width, 'height': tile_height, 'min_zoom': self.min_zoom, 'max_zoom': self.max_zoom, 'extent': self.wgs_extent, } writer.set_parameters(tile_params) for zoom in range(self.min_zoom, self.max_zoom + 1): feedback.pushConsoleInfo('Generating tiles for zoom level: %s' % zoom) for i, metatile in enumerate(metatiles_by_zoom[zoom]): if feedback.isCanceled(): break size = QSize(tile_width * metatile.rows(), tile_height * metatile.columns()) extent = QgsRectangle(*metatile.extent()) settings.setExtent(wgs_to_dest.transformBoundingBox(extent)) settings.setOutputSize(size) image = QImage(size, QImage.Format_ARGB32_Premultiplied) image.fill(Qt.transparent) dpm = settings.outputDpi() / 25.4 * 1000 image.setDotsPerMeterX(dpm) image.setDotsPerMeterY(dpm) painter = QPainter(image) job = QgsMapRendererCustomPainterJob(settings, painter) job.renderSynchronously() painter.end() # For analysing metatiles (labels, etc.) # metatile_dir = os.path.join(output_dir, str(zoom)) # os.makedirs(metatile_dir, exist_ok=True) # image.save(os.path.join(metatile_dir, 'metatile_%s.png' % i)) for r, c, tile in metatile.tiles: tile_img = image.copy(tile_width * r, tile_height * c, tile_width, tile_height) writer.write_tile(tile, tile_img) progress += 1 feedback.setProgress(100 * (progress / metatiles_count)) writer.close()
def setUp(self): """Run before each test.""" self.iface = get_iface() self.mapSettings = QgsMapSettings() self.mComposition = QgsComposition(QgsProject.instance()) self.mComposition.setPaperSize(297, 210) # A4 landscape
def __init__(self, map_theme, layer, extent, tile_size, mupp, output, map_settings): """ :param map_theme: :param extent: :param layer: :param tile_size: :param mupp: :param output: :param map_settings: Map canvas map settings used for some fallback values and CRS """ self.extent = extent self.mupp = mupp self.tile_size = tile_size driver = self.getDriverForFile(output) if not driver: raise QgsProcessingException( u'Could not load GDAL driver for file {}'.format(output)) crs = map_settings.destinationCrs() self.x_tile_count = math.ceil(extent.width() / mupp / tile_size) self.y_tile_count = math.ceil(extent.height() / mupp / tile_size) xsize = self.x_tile_count * tile_size ysize = self.y_tile_count * tile_size self.dataset = driver.Create(output, xsize, ysize, 3) # 3 bands self.dataset.SetProjection(str(crs.toWkt())) self.dataset.SetGeoTransform( [extent.xMinimum(), mupp, 0, extent.yMaximum(), 0, -mupp]) self.image = QImage(QSize(tile_size, tile_size), QImage.Format_ARGB32) self.settings = QgsMapSettings() self.settings.setOutputDpi(self.image.logicalDpiX()) self.settings.setOutputImageFormat(QImage.Format_ARGB32) self.settings.setDestinationCrs(crs) self.settings.setOutputSize(self.image.size()) self.settings.setFlag(QgsMapSettings.Antialiasing, True) self.settings.setFlag(QgsMapSettings.RenderMapTile, True) if QgsProject.instance().mapThemeCollection().hasMapTheme(map_theme): self.settings.setLayers( QgsProject.instance().mapThemeCollection( ).mapThemeVisibleLayers( map_theme)) self.settings.setLayerStyleOverrides( QgsProject.instance().mapThemeCollection( ).mapThemeStyleOverrides( map_theme)) elif layer: self.settings.setLayers([layer]) else: self.settings.setLayers(map_settings.layers())
def testInitialSizeSymbolMapUnits(self): """Test initial size of legend with a symbol size in map units""" QgsProject.instance().removeAllMapLayers() point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') QgsProject.instance().clear() QgsProject.instance().addMapLayers([point_layer]) marker_symbol = QgsMarkerSymbol.createSimple({ 'color': '#ff0000', 'outline_style': 'no', 'size': '5', 'size_unit': 'MapUnit' }) point_layer.setRenderer(QgsSingleSymbolRenderer(marker_symbol)) s = QgsMapSettings() s.setLayers([point_layer]) layout = QgsLayout(QgsProject.instance()) layout.initializeDefaults() map = QgsLayoutItemMap(layout) map.attemptSetSceneRect(QRectF(20, 20, 80, 80)) map.setFrameEnabled(True) map.setLayers([point_layer]) layout.addLayoutItem(map) map.setExtent(point_layer.extent()) legend = QgsLayoutItemLegend(layout) legend.setTitle("Legend") legend.attemptSetSceneRect(QRectF(120, 20, 80, 80)) legend.setFrameEnabled(True) legend.setFrameStrokeWidth(QgsLayoutMeasurement(2)) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') layout.addLayoutItem(legend) legend.setLinkedMap(map) checker = QgsLayoutChecker('composer_legend_mapunits', layout) checker.setControlPathPrefix("composer_legend") result, message = checker.testLayout() TestQgsLayoutItemLegend.report += checker.report() self.assertTrue(result, message) # resize with non-top-left reference point legend.setResizeToContents(False) legend.setReferencePoint(QgsLayoutItem.LowerRight) legend.attemptMove(QgsLayoutPoint(120, 90)) legend.attemptResize(QgsLayoutSize(50, 60)) self.assertEqual(legend.positionWithUnits().x(), 120.0) self.assertEqual(legend.positionWithUnits().y(), 90.0) self.assertAlmostEqual(legend.pos().x(), 70, -1) self.assertAlmostEqual(legend.pos().y(), 30, -1) legend.setResizeToContents(True) legend.updateLegend() self.assertEqual(legend.positionWithUnits().x(), 120.0) self.assertEqual(legend.positionWithUnits().y(), 90.0) self.assertAlmostEqual(legend.pos().x(), 91, -1) self.assertAlmostEqual(legend.pos().y(), 71, -1) QgsProject.instance().removeMapLayers([point_layer.id()])
def __init__( self, iface, template_metadata, impact_function=None, hazard=None, exposure=None, impact=None, analysis=None, exposure_summary_table=None, aggregation_summary=None, extra_layers=None, ordered_layers=None, legend_layers=None, minimum_needs_profile=None, multi_exposure_impact_function=None, use_template_extent=False): """Constructor for the Composition Report class. :param iface: Reference to the QGIS iface object. :type iface: QgsAppInterface :param template_metadata: InaSAFE template metadata. :type template_metadata: ReportMetadata :param impact_function: Impact function instance for the report :type impact_function: safe.impact_function.impact_function.ImpactFunction .. versionadded:: 4.0 """ LOGGER.debug('InaSAFE Impact Report class initialised') self._iface = iface self._metadata = template_metadata self._output_folder = None self._impact_function = impact_function or ( multi_exposure_impact_function) self._hazard = hazard or self._impact_function.hazard self._analysis = (analysis or self._impact_function.analysis_impacted) if impact_function: self._exposure = ( exposure or self._impact_function.exposure) self._impact = ( impact or self._impact_function.impact) self._exposure_summary_table = ( exposure_summary_table or self._impact_function.exposure_summary_table) self._aggregation_summary = ( aggregation_summary or self._impact_function.aggregation_summary) if extra_layers is None: extra_layers = [] self._extra_layers = extra_layers self._ordered_layers = ordered_layers self._legend_layers = legend_layers self._minimum_needs = minimum_needs_profile self._multi_exposure_impact_function = multi_exposure_impact_function self._use_template_extent = use_template_extent self._inasafe_context = InaSAFEReportContext() # QgsMapSettings is added in 2.4 if self._iface: map_settings = self._iface.mapCanvas().mapSettings() else: map_settings = QgsMapSettings() self._qgis_composition_context = QgsLayoutContext( None, map_settings, ImpactReport.DEFAULT_PAGE_DPI) self._keyword_io = KeywordIO()
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 = 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 = 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
def __init__(self, map_theme, layer, extent, tile_size, mupp, output, make_trans, map_settings, project): """ :param map_theme: :param extent: :param layer: :param tile_size: :param mupp: :param output: :param map_settings: Map canvas map settings used for some fallback values and CRS """ self.extent = extent self.mupp = mupp self.tile_size = tile_size driver = self.getDriverForFile(output) if not driver: raise QgsProcessingException( u'Could not load GDAL driver for file {}'.format(output)) crs = map_settings.destinationCrs() self.x_tile_count = math.ceil(extent.width() / mupp / tile_size) self.y_tile_count = math.ceil(extent.height() / mupp / tile_size) xsize = self.x_tile_count * tile_size ysize = self.y_tile_count * tile_size if make_trans: no_bands = 4 else: no_bands = 3 self.dataset = driver.Create(output, xsize, ysize, no_bands) self.dataset.SetProjection(str(crs.toWkt())) self.dataset.SetGeoTransform( [extent.xMinimum(), mupp, 0, extent.yMaximum(), 0, -mupp]) self.image = QImage(QSize(tile_size, tile_size), QImage.Format_ARGB32) self.settings = QgsMapSettings() self.settings.setOutputDpi(self.image.logicalDpiX()) self.settings.setOutputImageFormat(QImage.Format_ARGB32) self.settings.setDestinationCrs(crs) self.settings.setOutputSize(self.image.size()) self.settings.setFlag(QgsMapSettings.Antialiasing, True) self.settings.setFlag(QgsMapSettings.RenderMapTile, True) self.settings.setFlag(QgsMapSettings.UseAdvancedEffects, True) r = project.readNumEntry('Gui', '/CanvasColorRedPart', 255)[0] g = project.readNumEntry('Gui', '/CanvasColorGreenPart', 255)[0] b = project.readNumEntry('Gui', '/CanvasColorBluePart', 255)[0] if make_trans: self.bgColor = QColor(r, g, b, 0) else: self.bgColor = QColor(r, g, b) self.settings.setBackgroundColor(self.bgColor) if QgsProject.instance().mapThemeCollection().hasMapTheme(map_theme): self.settings.setLayers(QgsProject.instance().mapThemeCollection(). mapThemeVisibleLayers(map_theme)) self.settings.setLayerStyleOverrides(QgsProject.instance( ).mapThemeCollection().mapThemeStyleOverrides(map_theme)) elif layer: self.settings.setLayers([layer]) else: self.settings.setLayers(map_settings.layers())
def testPaletted(self): """ test paletted raster renderer with raster with color table""" path = os.path.join(unitTestDataPath('raster'), 'with_color_table.tif') info = QFileInfo(path) base_name = info.baseName() layer = QgsRasterLayer(path, base_name) self.assertTrue(layer.isValid(), 'Raster not loaded: {}'.format(path)) renderer = QgsPalettedRasterRenderer(layer.dataProvider(), 1, [QgsPalettedRasterRenderer.Class(1, QColor(0, 255, 0), 'class 2'), QgsPalettedRasterRenderer.Class(3, QColor(255, 0, 0), 'class 1')]) self.assertEqual(renderer.nColors(), 2) self.assertEqual(renderer.usesBands(), [1]) # test labels self.assertEqual(renderer.label(1), 'class 2') self.assertEqual(renderer.label(3), 'class 1') self.assertFalse(renderer.label(101)) # test legend symbology - should be sorted by value legend = renderer.legendSymbologyItems() self.assertEqual(legend[0][0], 'class 2') self.assertEqual(legend[1][0], 'class 1') self.assertEqual(legend[0][1].name(), '#00ff00') self.assertEqual(legend[1][1].name(), '#ff0000') # test retrieving classes classes = renderer.classes() self.assertEqual(classes[0].value, 1) self.assertEqual(classes[1].value, 3) self.assertEqual(classes[0].label, 'class 2') self.assertEqual(classes[1].label, 'class 1') self.assertEqual(classes[0].color.name(), '#00ff00') self.assertEqual(classes[1].color.name(), '#ff0000') # test set label # bad index renderer.setLabel(1212, 'bad') renderer.setLabel(3, 'new class') self.assertEqual(renderer.label(3), 'new class') # color ramp r = QgsLimitedRandomColorRamp(5) renderer.setSourceColorRamp(r) self.assertEqual(renderer.sourceColorRamp().type(), 'random') self.assertEqual(renderer.sourceColorRamp().count(), 5) # clone new_renderer = renderer.clone() classes = new_renderer.classes() self.assertEqual(classes[0].value, 1) self.assertEqual(classes[1].value, 3) self.assertEqual(classes[0].label, 'class 2') self.assertEqual(classes[1].label, 'new class') self.assertEqual(classes[0].color.name(), '#00ff00') self.assertEqual(classes[1].color.name(), '#ff0000') self.assertEqual(new_renderer.sourceColorRamp().type(), 'random') self.assertEqual(new_renderer.sourceColorRamp().count(), 5) # write to xml and read doc = QDomDocument('testdoc') elem = doc.createElement('qgis') renderer.writeXml(doc, elem) restored = QgsPalettedRasterRenderer.create(elem.firstChild().toElement(), layer.dataProvider()) self.assertTrue(restored) self.assertEqual(restored.usesBands(), [1]) classes = restored.classes() self.assertTrue(classes) self.assertEqual(classes[0].value, 1) self.assertEqual(classes[1].value, 3) self.assertEqual(classes[0].label, 'class 2') self.assertEqual(classes[1].label, 'new class') self.assertEqual(classes[0].color.name(), '#00ff00') self.assertEqual(classes[1].color.name(), '#ff0000') self.assertEqual(restored.sourceColorRamp().type(), 'random') self.assertEqual(restored.sourceColorRamp().count(), 5) # render test layer.setRenderer(renderer) ms = QgsMapSettings() ms.setLayers([layer]) ms.setExtent(layer.extent()) checker = QgsRenderChecker() checker.setControlName("expected_paletted_renderer") checker.setMapSettings(ms) self.assertTrue(checker.runTest("expected_paletted_renderer"), "Paletted rendering test failed")
def make_coco_dataset(self): layers = QgsProject.instance().mapLayers().values() vectorlayers = [layer for layer in layers if layer.type() == VectorLayer] rasterLayers = [layer for layer in layers if layer.type() == RasterLayer] vectorlayer = vectorlayers[self.dlg.vectorlayerselector.currentIndex()] rasterlayer = rasterLayers[self.dlg.rasterlayerselector.currentIndex()] img_size = int(self.dlg.imagesizeselector.currentText()) scale_realworld = int(self.dlg.zoomlevel.currentText()) buffer_size = int(self.dlg.buffersize.text()) / 100 target_dir = self.dlg.dirselectline.text() dataset_description = str(self.dlg.datasetdescription.text()) contributor = str(self.dlg.creatorname.text()) url = str(self.dlg.url.text()) version = str(self.dlg.datasetversion.text()) license = str(self.dlg.licenseselector.currentText()) # to implement scale_to_fit = self.dlg.scaletofit.isChecked() use_fieldcategory = bool(self.dlg.usecategoryfields.isChecked()) categoryfield = self.dlg.categoryfields.currentText() QgsMessageLog.logMessage(str(scale_to_fit), "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage(str(use_fieldcategory), "cocotrainer", level=Qgis.Info) # prepare directories os.makedirs(os.path.join(target_dir, "train"), exist_ok=True) os.makedirs(os.path.join(target_dir, "val"), exist_ok=True) QgsMessageLog.logMessage("====================================", "cocotrainer", level=Qgis.Info) # TODO: # - use field categories features_iterator = vectorlayer.getFeatures(QgsFeatureRequest().setFilterExpression('$area > 1')) features = [feature for feature in features_iterator] QgsMessageLog.logMessage("vector layer: " + vectorlayer.name(), "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage("Filtered polygons smaller than 1m2 from data", "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage("features: " + str(len(list(features))), "cocotrainer", level=Qgis.Info) options = QgsMapSettings() options.setLayers([rasterlayer]) options.setOutputSize(QSize(int(img_size), int(img_size))) QgsMessageLog.logMessage(str(scale_realworld), "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage(str(img_size), "cocotrainer", level=Qgis.Info) date = datetime.now() cat_dict = {} if use_fieldcategory: categories = [] # uniqueprovider = rasterlayer.dataProvider() fields = vectorlayer.fields() id = fields.indexFromName(categoryfield) uniquevalues = vectorlayer.uniqueValues(id) for i, val in enumerate(uniquevalues): categories.append({"supercategory": "object", "id": i, "name": str(val)}) cat_dict[str(val)] = i else: categories = [{"supercategory": "object", "id": 0, "name": "CATEGORYNAME"}] cat_dict["CATEGORYNAME"] = 0 coco_annotation = { "info": { "description": dataset_description, "url": url, "version": version, "year": int(date.strftime("%Y")), "contributor": contributor, "date_created": date.strftime("%d/%m/%y") }, "licenses": [self.license_dict[license]], "images": [], "annotations": [], "categories": categories, # < -- Not in Captionsannotations "segment_info": [] # < -- Only in Panoptic annotations } bboxes, polygons = {}, {} for i, feature in enumerate(features): polygons[i] = feature.geometry() bboxes[i] = feature.geometry().boundingBox() if use_fieldcategory: cats = {} for i, feature in enumerate(features): cats[i] = str(feature[categoryfield]) image_id = 0 annotation_id = 0 for i, feature in enumerate(features): self.dlg.progressBar.setValue((i / len(polygons) * 100)) QgsMessageLog.logMessage("something is happening", "cocotrainer", level=Qgis.Info) geoms = feature.geometry() bbox = geoms.boundingBox() if scale_to_fit: xmax = bbox.xMaximum() ymax = bbox.yMaximum() ymin = bbox.yMinimum() xmin = bbox.xMinimum() diffx = xmax - xmin diffy = ymax - ymin xmax = xmax + (buffer_size * diffx) xmin = xmin - (buffer_size * diffx) ymax = ymax + (buffer_size * diffy) ymin = ymin - (buffer_size * diffy) else: midpoint = bbox.center() QgsMessageLog.logMessage("trying to log centerpoint", "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage(str(midpoint.x()), "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage(str(midpoint.y()), "cocotrainer", level=Qgis.Info) xmin = midpoint.x() - scale_realworld / 2 xmax = midpoint.x() + scale_realworld / 2 ymin = midpoint.y() - scale_realworld / 2 ymax = midpoint.y() + scale_realworld / 2 extent = QgsRectangle(xmin, ymin, xmax, ymax) fileid = "{}_{}_{}".format(xmin, ymin, scale_realworld) image = { "license": 0, "file_name": fileid + ".png", "coco_url": None, "height": img_size, "width": img_size, "date_captured": date.strftime("%d/%m/%y"), "flickr_url": None, "id": image_id } coco_annotation["images"].append(image) for j, geo in bboxes.items(): if extent.contains(geo) or extent.intersects(geo): points = polygons[j].asMultiPolygon() xs = np.array([p.x() - xmin for p in points[0][0]]) ys = np.array([(ymax - ymin) - (p.y() - ymin) for p in points[0][0]]) xs *= (img_size / scale_realworld) xs = np.round(xs) xs = xs.astype(np.int32) ys *= (img_size / scale_realworld) ys = np.round(ys) ys = ys.astype(np.int32) ys[ys < 0] = 0 xs[xs < 0] = 0 polygon = [[int(p[0]), int(p[1])] for p in zip(xs, ys)] flat_list = [item for sublist in polygon for item in sublist] QgsMessageLog.logMessage(str(flat_list), "cocotrainer", level=Qgis.Info) pixelposbbox = [int(np.min(xs)), (int(np.min(ys))), geo.width() * (img_size / scale_realworld), geo.height() * (img_size / scale_realworld)] pixelposbbox = [number if number > 0 else 0 for number in pixelposbbox] QgsMessageLog.logMessage(str([geo.xMinimum(), geo.yMaximum(), geo.width(), geo.height()]), "cocotrainer", level=Qgis.Info) QgsMessageLog.logMessage(str(pixelposbbox), "cocotrainer", level=Qgis.Info) annotation = { "segmentation": [flat_list], # format is [x1,y1,x2,y2] "area": polygons[j].area(), "iscrowd": 0, "image_id": image_id, "bbox": pixelposbbox, # format is [top left x position, top left y position, width, height] "category_id": cat_dict[cats[j]], "id": annotation_id } annotation_id += 1 coco_annotation["annotations"].append(annotation) options.setExtent(extent) render = QgsMapRendererParallelJob(options) def finished(): QgsMessageLog.logMessage("saving image to disk", "cocotrainer", level=Qgis.Info) fname = os.path.join(target_dir, 'train', "{}.png".format(fileid)) img = render.renderedImage() if not img.save(fname, "png"): print("Error saving image") render.finished.connect(finished) render.start() render.waitForFinished() image_id += 1 QgsMessageLog.logMessage(str(coco_annotation), "cocotrainer", level=Qgis.Info) with open(os.path.join(target_dir, "annotation.json"), "w") as outfile: json.dump(coco_annotation, outfile) self.dlg.progressBar.setValue(100) self.dlg.finished_label.setText("parsed {} features".format(len(list(features))))
def setUp(self): self.mapsettings = QgsMapSettings() self.mapsettings.setOutputSize(QSize(400, 400)) self.mapsettings.setOutputDpi(96) self.mapsettings.setExtent(QgsRectangle(-163, 22, -70, 52))
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) i1_id = 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) i2_id = layer.addItem(item) item = QgsAnnotationMarkerItem(QgsPoint(12, 13)) item.setSymbol( QgsMarkerSymbol.createSimple({ 'color': '100,200,200', 'size': '6', 'outline_color': 'black' })) item.setZIndex(3) i3_id = 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())) rc.setExtent(rc.coordinateTransform().transformBoundingBox( settings.extent(), QgsCoordinateTransform.ReverseTransform)) image = QImage(200, 200, QImage.Format_ARGB32) image.setDotsPerMeterX(int(96 / 25.4 * 1000)) image.setDotsPerMeterY(int(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)) # also check details of rendered items item_details = renderer.takeRenderedItemDetails() self.assertEqual([i.layerId() for i in item_details], [layer.id()] * 3) self.assertCountEqual([i.itemId() for i in item_details], [i1_id, i2_id, i3_id]) self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i1_id][0], QgsRectangle(11.5, 13, 12, 13.5)) self.assertEqual( [i.boundingBox() for i in item_details if i.itemId() == i2_id][0], QgsRectangle(11, 13, 12, 15)) self.assertEqual([ i.boundingBox().toString(2) for i in item_details if i.itemId() == i3_id ][0], '11.94,12.94 : 12.06,13.06')