def testDataDefinedOpacity(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) marker_line = QgsMarkerLineSymbolLayer(True) marker_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint) simple_marker = QgsSimpleMarkerSymbolLayer( QgsSimpleMarkerSymbolLayer.Circle, 10) simple_marker.setColor(QColor(0, 255, 0)) simple_marker.setStrokeColor(QColor(255, 0, 0)) simple_marker.setStrokeWidth(1) simple_marker.setDataDefinedProperty( QgsSymbolLayer.PropertyFillColor, QgsProperty.fromExpression("if(Name='Arterial', 'red', 'green')")) simple_marker.setDataDefinedProperty( QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression( "if(Name='Arterial', 'magenta', 'blue')")) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, simple_marker) marker_symbol.setOpacity(0.5) marker_line.setSubSymbol(marker_symbol) s.appendSymbolLayer(marker_line.clone()) s.setDataDefinedProperty( QgsSymbol.PropertyOpacity, QgsProperty.fromExpression("if(\"Value\" = 1, 25, 50)")) 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_markerline') renderchecker.setControlName('expected_markerline_ddopacity') res = renderchecker.runTest('expected_markerline_ddopacity') self.report += renderchecker.report() self.assertTrue(res)
def testDataDefinedOpacity(self): poly_shp = os.path.join(TEST_DATA_DIR, 'polys.shp') poly_layer = QgsVectorLayer(poly_shp, 'Polys', 'ogr') self.assertTrue(poly_layer.isValid()) s = QgsFillSymbol() s.deleteSymbolLayer(0) random_fill = QgsRandomMarkerFillSymbolLayer(1, seed=481523) marker = QgsSimpleMarkerSymbolLayer(QgsSimpleMarkerSymbolLayer.Circle, 6) marker.setColor(QColor(255, 0, 0)) marker.setStrokeWidth(1) marker.setDataDefinedProperty( QgsSymbolLayer.PropertyFillColor, QgsProperty.fromExpression("if(Name='Dam', 'red', 'green')")) marker.setDataDefinedProperty( QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression("if(Name='Dam', 'magenta', 'blue')")) marker_symbol = QgsMarkerSymbol() marker_symbol.changeSymbolLayer(0, marker) marker_symbol.setOpacity(0.5) random_fill.setSubSymbol(marker_symbol) s.appendSymbolLayer(random_fill.clone()) s.setDataDefinedProperty( QgsSymbol.PropertyOpacity, QgsProperty.fromExpression("if(\"Value\" >10, 25, 50)")) poly_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([poly_layer]) # Test rendering renderchecker = QgsMultiRenderChecker() renderchecker.setMapSettings(ms) renderchecker.setControlPathPrefix('symbol_randommarkerfill') renderchecker.setControlName('expected_randommarker_ddopacity') res = renderchecker.runTest('expected_randommarker_ddopacity') self.report += renderchecker.report() self.assertTrue(res)