def render_layers(layer_paths): """ :param layer_paths: A list of layer paths. :return: Buffer containing output. Note caller is responsible for closing the buffer with buffer.close() :rtype: QBuffer """ layers = [] extent = None crs = QgsCoordinateReferenceSystem() crs.createFromSrid(3857) for layer_path in layer_paths: map_layer = QgsVectorLayer(layer_path, None, 'ogr') QgsMapLayerRegistry.instance().addMapLayer(map_layer) transform = QgsCoordinateTransform(map_layer.crs(), crs) print map_layer.extent().toString() layer_extent = transform.transform(map_layer.extent()) if extent is None: extent = layer_extent else: extent.combineExtentWith(layer_extent) print extent.toString() # set layer set layers.append(map_layer.id()) # add ID of every layer map_settings = QgsMapSettings() map_settings.setDestinationCrs(crs) map_settings.setCrsTransformEnabled(True) map_settings.setExtent(extent) map_settings.setOutputSize(QSize(1000, 1000)) map_settings.setLayers(layers) # job = QgsMapRendererParallelJob(settings) job = QgsMapRendererSequentialJob(map_settings) job.start() job.waitForFinished() image = job.renderedImage() # Save teh image to a buffer map_buffer = QBuffer() map_buffer.open(QIODevice.ReadWrite) image.save(map_buffer, "PNG") image.save('/tmp/test.png', 'png') # clean up QgsMapLayerRegistry.instance().removeAllMapLayers() return map_buffer
def createMapSettingsFromRenderContext(ctx, baseSettings=None): s = QgsMapSettings(baseSettings) if baseSettings else QgsMapSettings() transform = ctx.coordinateTransform() if transform: s.setCrsTransformEnabled(True) s.setDestinationCrs(transform.destCRS()) s.setExtent(ctx.extent()) s.setOutputDpi(ctx.scaleFactor() * 25.4) # ref. QgsRenderContext::fromMapSettings if hasattr(ctx, "RenderMapTile"): s.setFlag(QgsMapSettings.RenderMapTile, ctx.testFlag(QgsRenderContext.RenderMapTile)) if hasattr(ctx, "expressionContext"): s.setExpressionContext(ctx.expressionContext()) return s
def testPrintMapFromTemplate(self): """Test that we can get a map to render in the template.""" myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif') myFileInfo = QFileInfo(myPath) myRasterLayer = QgsRasterLayer(myFileInfo.filePath(), myFileInfo.completeBaseName()) myRenderer = QgsMultiBandColorRenderer( myRasterLayer.dataProvider(), 2, 3, 4 ) #mRasterLayer.setRenderer( rasterRenderer ) myPipe = myRasterLayer.pipe() assert myPipe.set(myRenderer), "Cannot set pipe renderer" QgsMapLayerRegistry.instance().addMapLayers([myRasterLayer]) myMapSettings = QgsMapSettings() myMapSettings.setLayers([myRasterLayer.id()]) myMapSettings.setCrsTransformEnabled(False) myComposition = QgsComposition(myMapSettings) myFile = os.path.join(TEST_DATA_DIR, 'template-for-substitution.qpt') with open(myFile) as f: myTemplateContent = f.read() myDocument = QDomDocument() myDocument.setContent(myTemplateContent) myComposition.loadFromTemplate(myDocument) # now render the map, first zooming to the raster extents myMap = myComposition.getComposerMapById(0) myMessage = ('Map 0 could not be found in template %s', myFile) assert myMap is not None, myMessage myExtent = myRasterLayer.extent() myMap.setNewExtent(myExtent) myImagePath = os.path.join(str(QDir.tempPath()), 'template_map_render_python.png') myPageNumber = 0 myImage = myComposition.printPageAsRaster(myPageNumber) myImage.save(myImagePath) assert os.path.exists(myImagePath), 'Map render was not created.' # Not sure if this is a predictable way to test but its quicker than # rendering. myFileSize = QFileInfo(myImagePath).size() myExpectedFileSize = 100000 myMessage = ('Expected file size to be greater than %s, got %s' ' for %s' % (myExpectedFileSize, myFileSize, myImagePath)) assert myFileSize > myExpectedFileSize, myMessage
def testPrintMapFromTemplate(self): """Test that we can get a map to render in the template.""" myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif') myFileInfo = QFileInfo(myPath) myRasterLayer = QgsRasterLayer(myFileInfo.filePath(), myFileInfo.completeBaseName()) myRenderer = QgsMultiBandColorRenderer( myRasterLayer.dataProvider(), 2, 3, 4 ) #mRasterLayer.setRenderer( rasterRenderer ) myPipe = myRasterLayer.pipe() assert myPipe.set(myRenderer), "Cannot set pipe renderer" QgsProject.instance().addMapLayers([myRasterLayer]) myMapSettings = QgsMapSettings() myMapSettings.setLayers([myRasterLayer]) myMapSettings.setCrsTransformEnabled(False) myComposition = QgsComposition(myMapSettings) myFile = os.path.join(TEST_DATA_DIR, 'template-for-substitution.qpt') with open(myFile) as f: myTemplateContent = f.read() myDocument = QDomDocument() myDocument.setContent(myTemplateContent) myComposition.loadFromTemplate(myDocument) # now render the map, first zooming to the raster extents myMap = myComposition.getComposerMapById(0) myMessage = ('Map 0 could not be found in template %s', myFile) assert myMap is not None, myMessage myExtent = myRasterLayer.extent() myMap.setNewExtent(myExtent) myImagePath = os.path.join(str(QDir.tempPath()), 'template_map_render_python.png') myPageNumber = 0 myImage = myComposition.printPageAsRaster(myPageNumber) myImage.save(myImagePath) assert os.path.exists(myImagePath), 'Map render was not created.' # Not sure if this is a predictable way to test but its quicker than # rendering. myFileSize = QFileInfo(myImagePath).size() myExpectedFileSize = 100000 myMessage = ('Expected file size to be greater than %s, got %s' ' for %s' % (myExpectedFileSize, myFileSize, myImagePath)) assert myFileSize > myExpectedFileSize, myMessage
def cloneMapSettings(self, oms): """ :param oms: QgsMapSettings :rtype: QgsMapSettings """ ms = QgsMapSettings() ms.setBackgroundColor(oms.backgroundColor()) ms.setOutputSize(oms.outputSize()) ms.setOutputDpi(oms.outputDpi()) ms.setFlags(oms.flags()) ms.setDestinationCrs(oms.destinationCrs()) ms.setCrsTransformEnabled(oms.hasCrsTransformEnabled()) ms.setMapUnits(oms.mapUnits()) ms.setExtent(oms.extent()) ms.setLayers(oms.layers()) return ms
def cloneMapSettings(self, oms): """ :param oms: QgsMapSettings :rtype: QgsMapSettings """ ms = QgsMapSettings() ms.setBackgroundColor(oms.backgroundColor()) ms.setOutputSize(oms.outputSize()) ms.setOutputDpi(oms.outputDpi()) ms.setFlags(oms.flags()) ms.setDestinationCrs(oms.destinationCrs()) ms.setCrsTransformEnabled(oms.hasCrsTransformEnabled()) ms.setMapUnits(oms.mapUnits()) ms.setExtent(oms.extent()) ms.setLayers(oms.layers()) return ms
def getBaseMapSettings(cls): """ :rtype: QgsMapSettings """ ms = QgsMapSettings() crs = QgsCoordinateReferenceSystem() """:type: QgsCoordinateReferenceSystem""" # default for labeling test data: WGS 84 / UTM zone 13N crs.createFromSrid(32613) ms.setBackgroundColor(QColor(152, 219, 249)) ms.setOutputSize(QSize(420, 280)) ms.setOutputDpi(72) ms.setFlag(QgsMapSettings.Antialiasing) ms.setDestinationCrs(crs) ms.setCrsTransformEnabled(False) ms.setMapUnits(crs.mapUnits()) # meters ms.setExtent(cls.aoiExtent()) return ms
def getBaseMapSettings(cls): """ :rtype: QgsMapSettings """ ms = QgsMapSettings() crs = QgsCoordinateReferenceSystem() """:type: QgsCoordinateReferenceSystem""" # default for labeling test data: WGS 84 / UTM zone 13N crs.createFromSrid(32613) ms.setBackgroundColor(QColor(152, 219, 249)) ms.setOutputSize(QSize(420, 280)) ms.setOutputDpi(72) ms.setFlag(QgsMapSettings.Antialiasing) ms.setDestinationCrs(crs) ms.setCrsTransformEnabled(False) ms.setMapUnits(crs.mapUnits()) # meters ms.setExtent(cls.aoiExtent()) return ms
def testInitialSizeSymbolMapUnits(self): """Test initial size of legend with a symbol size in map units""" point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') 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]) s.setCrsTransformEnabled(False) composition = QgsComposition(QgsProject.instance()) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composer_map.setLayers([point_layer]) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 80, 80)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') composition.addComposerLegend(legend) legend.setComposerMap(composer_map) checker = QgsCompositionChecker('composer_legend_mapunits', composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsProject.instance().removeMapLayers([point_layer.id()])
def testResizeDisabledCrop(self): """Test that if legend resizing is disabled, and legend is too small, then content is cropped""" point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') QgsProject.instance().addMapLayers([point_layer]) s = QgsMapSettings() s.setLayers([point_layer]) s.setCrsTransformEnabled(False) composition = QgsComposition(QgsProject.instance()) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composer_map.setLayers([point_layer]) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 20, 20)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') legend.setLegendFilterByMapEnabled(True) # disable auto resizing legend.setResizeToContents(False) composition.addComposerLegend(legend) legend.setComposerMap(composer_map) composer_map.setNewExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30)) checker = QgsCompositionChecker('composer_legend_noresize_crop', composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsProject.instance().removeMapLayers([point_layer.id()])
def testResizeDisabledCrop(self): """Test that if legend resizing is disabled, and legend is too small, then content is cropped""" point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') QgsProject.instance().addMapLayers([point_layer]) s = QgsMapSettings() s.setLayers([point_layer]) s.setCrsTransformEnabled(False) composition = QgsComposition(s) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 20, 20)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') legend.setLegendFilterByMapEnabled(True) # disable auto resizing legend.setResizeToContents(False) composition.addComposerLegend(legend) legend.setComposerMap(composer_map) composer_map.setNewExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30)) checker = QgsCompositionChecker( 'composer_legend_noresize_crop', composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsProject.instance().removeMapLayers([point_layer.id()])
def testCase(self): TEST_DATA_DIR = unitTestDataPath() vectorFileInfo = QFileInfo(TEST_DATA_DIR + "/france_parts.shp") mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr") QgsProject.instance().addMapLayers([mVectorLayer]) # create composition with composer map mapSettings = QgsMapSettings() mapSettings.setLayers([mVectorLayer]) mapSettings.setCrsTransformEnabled(False) mComposition = QgsComposition(QgsProject.instance()) mComposition.setPaperSize(297, 210) mLabel = QgsComposerLabel(mComposition) mComposition.addComposerLabel(mLabel) self.evaluation_test(mComposition, mLabel) self.feature_evaluation_test(mComposition, mLabel, mVectorLayer) self.page_evaluation_test(mComposition, mLabel, mVectorLayer)
def testCase(self): TEST_DATA_DIR = unitTestDataPath() vectorFileInfo = QFileInfo(TEST_DATA_DIR + "/france_parts.shp") mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr") QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer]) # create composition with composer map mapSettings = QgsMapSettings() mapSettings.setLayers([mVectorLayer.id()]) mapSettings.setCrsTransformEnabled(False) mComposition = QgsComposition(mapSettings) mComposition.setPaperSize(297, 210) mLabel = QgsComposerLabel(mComposition) mComposition.addComposerLabel(mLabel) self.evaluation_test(mComposition, mLabel) self.feature_evaluation_test(mComposition, mLabel, mVectorLayer) self.page_evaluation_test(mComposition, mLabel, mVectorLayer)
def testResizeDisabled(self): """Test that test legend does not resize if auto size is disabled""" point_path = os.path.join(TEST_DATA_DIR, "points.shp") point_layer = QgsVectorLayer(point_path, "points", "ogr") QgsMapLayerRegistry.instance().addMapLayers([point_layer]) s = QgsMapSettings() s.setLayers([point_layer.id()]) s.setCrsTransformEnabled(False) composition = QgsComposition(s) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 80, 80)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle("") legend.setLegendFilterByMapEnabled(True) # disable auto resizing legend.setResizeToContents(False) composition.addComposerLegend(legend) legend.setComposerMap(composer_map) composer_map.setNewExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30)) checker = QgsCompositionChecker("composer_legend_noresize", composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsMapLayerRegistry.instance().removeMapLayers([point_layer.id()])
def testInitialSizeSymbolMapUnits(self): """Test initial size of legend with a symbol size in map units""" point_path = os.path.join(TEST_DATA_DIR, "points.shp") point_layer = QgsVectorLayer(point_path, "points", "ogr") 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]) s.setCrsTransformEnabled(False) composition = QgsComposition(s, QgsProject.instance()) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 80, 80)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle("") composition.addComposerLegend(legend) legend.setComposerMap(composer_map) checker = QgsCompositionChecker("composer_legend_mapunits", composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsProject.instance().removeMapLayers([point_layer.id()])
def testInitialSizeSymbolMapUnits(self): """Test initial size of legend with a symbol size in map units""" point_path = os.path.join(TEST_DATA_DIR, 'points.shp') point_layer = QgsVectorLayer(point_path, 'points', 'ogr') QgsMapLayerRegistry.instance().addMapLayers([point_layer]) marker_symbol = QgsMarkerSymbolV2.createSimple({'color': '#ff0000', 'outline_style': 'no', 'size': '5', 'size_unit': 'MapUnit'}) point_layer.setRendererV2(QgsSingleSymbolRendererV2(marker_symbol)) s = QgsMapSettings() s.setLayers([point_layer.id()]) s.setCrsTransformEnabled(False) composition = QgsComposition(s) composition.setPaperSize(297, 210) composer_map = QgsComposerMap(composition, 20, 20, 80, 80) composer_map.setFrameEnabled(True) composition.addComposerMap(composer_map) composer_map.setNewExtent(point_layer.extent()) legend = QgsComposerLegend(composition) legend.setSceneRect(QRectF(120, 20, 80, 80)) legend.setFrameEnabled(True) legend.setFrameOutlineWidth(2) legend.setBackgroundColor(QColor(200, 200, 200)) legend.setTitle('') composition.addComposerLegend(legend) legend.setComposerMap(composer_map) checker = QgsCompositionChecker( 'composer_legend_mapunits', composition) checker.setControlPathPrefix("composer_legend") result, message = checker.testComposition() self.assertTrue(result, message) QgsMapLayerRegistry.instance().removeMapLayers([point_layer.id()])
class TestQgsAtlasComposition(unittest.TestCase): def testCase(self): self.TEST_DATA_DIR = unitTestDataPath() tmppath = tempfile.mkdtemp() for file in glob.glob( os.path.join(self.TEST_DATA_DIR, 'france_parts.*')): shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath) vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp") mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr") QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer]) # create composition with composer map self.mapSettings = QgsMapSettings() layerStringList = [] layerStringList.append(mVectorLayer.id()) self.mapSettings.setLayers(layerStringList) self.mapSettings.setCrsTransformEnabled(True) self.mapSettings.setMapUnits(QGis.Meters) # select epsg:2154 crs = QgsCoordinateReferenceSystem() crs.createFromSrid(2154) self.mapSettings.setDestinationCrs(crs) self.mComposition = QgsComposition(self.mapSettings) self.mComposition.setPaperSize(297, 210) # fix the renderer, fill with green props = {"color": "0,127,0"} fillSymbol = QgsFillSymbolV2.createSimple(props) renderer = QgsSingleSymbolRendererV2(fillSymbol) mVectorLayer.setRendererV2(renderer) # the atlas map self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130) self.mAtlasMap.setFrameEnabled(True) self.mComposition.addComposerMap(self.mAtlasMap) # the atlas self.mAtlas = self.mComposition.atlasComposition() self.mAtlas.setCoverageLayer(mVectorLayer) self.mAtlas.setEnabled(True) self.mComposition.setAtlasMode(QgsComposition.ExportAtlas) # an overview mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50) mOverview.setFrameEnabled(True) mOverview.setOverviewFrameMap(self.mAtlasMap.id()) self.mComposition.addComposerMap(mOverview) nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887) mOverview.setNewExtent(nextent) # set the fill symbol of the overview map props2 = {"color": "127,0,0,127"} fillSymbol2 = QgsFillSymbolV2.createSimple(props2) mOverview.setOverviewFrameMapSymbol(fillSymbol2) # header label self.mLabel1 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel1) self.mLabel1.setText("[% \"NAME_1\" %] area") self.mLabel1.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel1.adjustSizeToText() self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15)) qWarning( "header label font: %s exactMatch:%s" % (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch())) # feature number label self.mLabel2 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel2) self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]") self.mLabel2.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel2.adjustSizeToText() self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15)) qWarning( "feature number label font: %s exactMatch:%s" % (self.mLabel2.font().toString(), self.mLabel2.font().exactMatch())) self.filename_test() self.autoscale_render_test() self.autoscale_render_test_old_api() self.fixedscale_render_test() self.predefinedscales_render_test() self.hidden_render_test() self.legend_test() shutil.rmtree(tmppath, True) def filename_test(self): self.mAtlas.setFilenamePattern("'output_' || $feature") self.mAtlas.beginRender() for i in range(0, self.mAtlas.numFeatures()): self.mAtlas.prepareForFeature(i) expected = "output_%d" % (i + 1) assert self.mAtlas.currentFilename() == expected self.mAtlas.endRender() def autoscale_render_test(self): self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto) self.mAtlasMap.setAtlasMargin(0.10) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlasMap.setAtlasDriven(False) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlasMap.setAtlasMargin(0) def autoscale_render_test_old_api(self): self.mAtlas.setComposerMap(self.mAtlasMap) self.mAtlas.setFixedScale(False) self.mAtlas.setMargin(0.10) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker( 'atlas_autoscale_old_api%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlas.setFixedScale(True) self.mAtlas.setMargin(0) self.mAtlas.setComposerMap(None) self.mAtlasMap.setAtlasDriven(False) def fixedscale_render_test(self): self.mAtlasMap.setNewExtent( QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def predefinedscales_render_test(self): self.mAtlasMap.setNewExtent( QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined) scales = [1800000, 5000000] self.mAtlas.setPredefinedScales(scales) for i, s in enumerate(self.mAtlas.predefinedScales()): assert s == scales[i] self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker( 'atlas_predefinedscales%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def hidden_render_test(self): self.mAtlasMap.setNewExtent( QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(True) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlas.setHideCoverage(False) def sorting_render_test(self): self.mAtlasMap.setNewExtent( QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(False) self.mAtlas.setSortFeatures(True) self.mAtlas.setSortKeyAttributeIndex(4) # departement name self.mAtlas.setSortAscending(False) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def filtering_render_test(self): self.mAtlasMap.setNewExtent( QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(False) self.mAtlas.setSortFeatures(False) self.mAtlas.setFilterFeatures(True) self.mAtlas.setFeatureFilter( "substr(NAME_1,1,1)='P'") # select only 'Pays de la loire' self.mAtlas.beginRender() for i in range(0, 1): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def legend_test(self): self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto) self.mAtlasMap.setAtlasMargin(0.10) # add a point layer ptLayer = QgsVectorLayer( "Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)", "points", "memory") pr = ptLayer.dataProvider() f1 = QgsFeature(1) f1.initAttributes(2) f1.setAttribute(0, 1) f1.setAttribute(1, "Test label 1") f1.setGeometry(QgsGeometry.fromPoint(QgsPoint(-0.638, 48.954))) f2 = QgsFeature(2) f2.initAttributes(2) f2.setAttribute(0, 2) f2.setAttribute(1, "Test label 2") f2.setGeometry(QgsGeometry.fromPoint(QgsPoint(-1.682, 48.550))) pr.addFeatures([f1, f2]) # categorized symbology r = QgsCategorizedSymbolRendererV2("attr", [ QgsRendererCategoryV2( 1, QgsMarkerSymbolV2.createSimple({"color": "255,0,0"}), "red"), QgsRendererCategoryV2( 2, QgsMarkerSymbolV2.createSimple({"color": "0,0,255"}), "blue") ]) ptLayer.setRendererV2(r) QgsMapLayerRegistry.instance().addMapLayer(ptLayer) # add the point layer to the map settings layers = self.mapSettings.layers() layers = [ptLayer.id()] + layers self.mapSettings.setLayers(layers) # add a legend legend = QgsComposerLegend(self.mComposition) legend.moveBy(200, 100) # sets the legend filter parameter legend.setComposerMap(self.mAtlasMap) legend.setLegendFilterOutAtlas(True) self.mComposition.addComposerLegend(legend) self.mAtlas.beginRender() self.mAtlas.prepareForFeature(0) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_legend', self.mComposition) myTestResult, myMessage = checker.testComposition() assert myTestResult self.mAtlas.endRender() # restore state self.mapSettings.setLayers([layers[1]]) self.mComposition.removeComposerItem(legend) QgsMapLayerRegistry.instance().removeMapLayer(ptLayer.id())
class TestQgsComposerMap(unittest.TestCase): def __init__(self, methodName): """Run once on class initialization.""" unittest.TestCase.__init__(self, methodName) myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png') rasterFileInfo = QFileInfo(myPath) mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(), rasterFileInfo.completeBaseName()) rasterRenderer = QgsMultiBandColorRenderer(mRasterLayer.dataProvider(), 1, 2, 3) mRasterLayer.setRenderer(rasterRenderer) #pipe = mRasterLayer.pipe() #assert pipe.set(rasterRenderer), 'Cannot set pipe renderer' QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer]) # create composition with composer map self.mMapSettings = QgsMapSettings() self.mMapSettings.setLayers([mRasterLayer.id()]) self.mMapSettings.setCrsTransformEnabled(False) self.mComposition = QgsComposition(self.mMapSettings) self.mComposition.setPaperSize(297, 210) self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100) self.mComposerMap.setFrameEnabled(True) self.mComposition.addComposerMap(self.mComposerMap) def testOverviewMap(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.setOverviewFrameMap(self.mComposerMap.id()) checker = QgsCompositionChecker('composermap_overview', self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapBlend(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.setOverviewFrameMap(self.mComposerMap.id()) overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply) checker = QgsCompositionChecker('composermap_overview_blending', self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapInvert(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.setOverviewFrameMap(self.mComposerMap.id()) overviewMap.setOverviewInverted(True) checker = QgsCompositionChecker('composermap_overview_invert', self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapCenter(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(192, -288, 320, -224) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.setOverviewFrameMap(self.mComposerMap.id()) overviewMap.setOverviewInverted(False) overviewMap.setOverviewCentered(True) checker = QgsCompositionChecker('composermap_overview_center', self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage # Fails because addItemsFromXml has been commented out in sip @unittest.expectedFailure def testuniqueId(self): doc = QDomDocument() documentElement = doc.createElement('ComposerItemClipboard') self.mComposition.writeXml(documentElement, doc) self.mComposition.addItemsFromXml(documentElement, doc, 0, False) # test if both composer maps have different ids newMap = QgsComposerMap() mapList = self.mComposition.composerMapItems() for mapIt in mapList: if mapIt != self.mComposerMap: newMap = mapIt break oldId = self.mComposerMap.id() newId = newMap.id() self.mComposition.removeComposerItem(newMap) myMessage = 'old: %s new: %s' % (oldId, newId) assert oldId != newId, myMessage def testWorldFileGeneration(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.setMapRotation(30.0) self.mComposition.setGenerateWorldFile(True) self.mComposition.setWorldFileMap(self.mComposerMap) p = self.mComposition.computeWorldFileParameters() pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146, 2.4136013686911886, -4.179969388427311, 3342408.5663611) ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03) for i in range(0, 6): assert abs(p[i] - pexpected[i]) < ptolerance[i]
class TestQgsComposerMap(unittest.TestCase): def __init__(self, methodName): """Run once on class initialization.""" unittest.TestCase.__init__(self, methodName) # create composition with composer map self.mMapSettings = QgsMapSettings() crs = QgsCoordinateReferenceSystem(32633) self.mMapSettings.setDestinationCrs(crs) self.mMapSettings.setCrsTransformEnabled(False) self.mComposition = QgsComposition(self.mMapSettings) self.mComposition.setPaperSize(297, 210) self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100) self.mComposerMap.setFrameEnabled(True) self.mComposerMap.setBackgroundColor(QColor(150, 100, 100)) self.mComposition.addComposerMap(self.mComposerMap) def testGrid(self): """Test that we can create a grid for a map.""" myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(True) self.mComposerMap.grid().setGridLineColor(QColor(0, 255, 0)) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setAnnotationFont( QgsFontUtils.getStandardTestFont()) self.mComposerMap.grid().setAnnotationPrecision(0) self.mComposerMap.grid().setAnnotationDisplay( QgsComposerMapGrid.HideAll, QgsComposerMapGrid.Left) self.mComposerMap.grid().setAnnotationPosition( QgsComposerMapGrid.OutsideMapFrame, QgsComposerMapGrid.Right) self.mComposerMap.grid().setAnnotationDisplay( QgsComposerMapGrid.HideAll, QgsComposerMapGrid.Top) self.mComposerMap.grid().setAnnotationPosition( QgsComposerMapGrid.OutsideMapFrame, QgsComposerMapGrid.Bottom) self.mComposerMap.grid().setAnnotationDirection( QgsComposerMapGrid.Horizontal, QgsComposerMapGrid.Right) self.mComposerMap.grid().setAnnotationDirection( QgsComposerMapGrid.Horizontal, QgsComposerMapGrid.Bottom) self.mComposerMap.grid().setAnnotationFontColor(QColor(255, 0, 0, 150)) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_Overlay) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_grid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testCrossGrid(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Cross) self.mComposerMap.grid().setCrossLength(2.0) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setGridLineColor(QColor(0, 255, 0)) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_crossgrid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testMarkerGrid(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Markers) self.mComposerMap.grid().setCrossLength(2.0) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_markergrid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testFrameOnly(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle( QgsComposerMapGrid.FrameAnnotationsOnly) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFramePenSize(0.5) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_gridframeonly', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.NoFrame) assert myTestResult, myMessage def testZebraStyle(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375, 3343323.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setGridLineColor(QColor(0, 0, 0)) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setFramePenColor(QColor(255, 100, 0, 200)) self.mComposerMap.grid().setFrameFillColor1(QColor(50, 90, 50, 100)) self.mComposerMap.grid().setFrameFillColor2(QColor(200, 220, 100, 60)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage def testZebraStyleSides(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setGridLineColor(QColor(0, 0, 0)) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setFramePenColor(QColor(0, 0, 0)) self.mComposerMap.grid().setFrameFillColor1(QColor(0, 0, 0)) self.mComposerMap.grid().setFrameFillColor2(QColor(255, 255, 255)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameLeft, True) self.mComposerMap.grid().setFrameSideFlag( QgsComposerMapGrid.FrameRight, False) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameTop, False) self.mComposerMap.grid().setFrameSideFlag( QgsComposerMapGrid.FrameBottom, False) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_left', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameTop, True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_lefttop', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag( QgsComposerMapGrid.FrameRight, True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_lefttopright', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag( QgsComposerMapGrid.FrameBottom, True) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.NoFrame) def testInteriorTicks(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode( QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle( QgsComposerMapGrid.InteriorTicks) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setFramePenColor(QColor(0, 0, 0)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle( QgsComposerMapGrid.FrameAnnotationsOnly) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_interiorticks', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage
class TestQgsAtlasComposition(unittest.TestCase): def testCase(self): self.TEST_DATA_DIR = unitTestDataPath() tmppath = tempfile.mkdtemp() for file in glob.glob(os.path.join(self.TEST_DATA_DIR, 'france_parts.*')): shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath) vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp") mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr") QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer]) # create composition with composer map self.mapSettings = QgsMapSettings() layerStringList = [] layerStringList.append(mVectorLayer.id()) self.mapSettings.setLayers(layerStringList) self.mapSettings.setCrsTransformEnabled(True) self.mapSettings.setMapUnits(QGis.Meters) # select epsg:2154 crs = QgsCoordinateReferenceSystem() crs.createFromSrid(2154) self.mapSettings.setDestinationCrs(crs) self.mComposition = QgsComposition(self.mapSettings) self.mComposition.setPaperSize(297, 210) # fix the renderer, fill with green props = {"color": "0,127,0"} fillSymbol = QgsFillSymbolV2.createSimple(props) renderer = QgsSingleSymbolRendererV2(fillSymbol) mVectorLayer.setRendererV2(renderer) # the atlas map self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130) self.mAtlasMap.setFrameEnabled(True) self.mComposition.addComposerMap(self.mAtlasMap) # the atlas self.mAtlas = self.mComposition.atlasComposition() self.mAtlas.setCoverageLayer(mVectorLayer) self.mAtlas.setEnabled(True) self.mComposition.setAtlasMode(QgsComposition.ExportAtlas) # an overview mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50) mOverview.setFrameEnabled(True) mOverview.setOverviewFrameMap(self.mAtlasMap.id()) self.mComposition.addComposerMap(mOverview) nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887) mOverview.setNewExtent(nextent) # set the fill symbol of the overview map props2 = {"color": "127,0,0,127"} fillSymbol2 = QgsFillSymbolV2.createSimple(props2) mOverview.setOverviewFrameMapSymbol(fillSymbol2) # header label self.mLabel1 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel1) self.mLabel1.setText("[% \"NAME_1\" %] area") self.mLabel1.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel1.adjustSizeToText() self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15)) qWarning( "header label font: %s exactMatch:%s" % (self.mLabel1.font().toString(), self.mLabel1.font().exactMatch())) # feature number label self.mLabel2 = QgsComposerLabel(self.mComposition) self.mComposition.addComposerLabel(self.mLabel2) self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]") self.mLabel2.setFont(QgsFontUtils.getStandardTestFont()) self.mLabel2.adjustSizeToText() self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15)) qWarning("feature number label font: %s exactMatch:%s" % ( self.mLabel2.font().toString(), self.mLabel2.font().exactMatch())) self.filename_test() self.autoscale_render_test() self.autoscale_render_test_old_api() self.fixedscale_render_test() self.predefinedscales_render_test() self.hidden_render_test() self.legend_test() shutil.rmtree(tmppath, True) def filename_test(self): self.mAtlas.setFilenamePattern("'output_' || $feature") self.mAtlas.beginRender() for i in range(0, self.mAtlas.numFeatures()): self.mAtlas.prepareForFeature(i) expected = "output_%d" % (i + 1) assert self.mAtlas.currentFilename() == expected self.mAtlas.endRender() def autoscale_render_test(self): self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto) self.mAtlasMap.setAtlasMargin(0.10) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlasMap.setAtlasDriven(False) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlasMap.setAtlasMargin(0) def autoscale_render_test_old_api(self): self.mAtlas.setComposerMap(self.mAtlasMap) self.mAtlas.setFixedScale(False) self.mAtlas.setMargin(0.10) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_autoscale_old_api%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlas.setFixedScale(True) self.mAtlas.setMargin(0) self.mAtlas.setComposerMap(None) self.mAtlasMap.setAtlasDriven(False) def fixedscale_render_test(self): self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def predefinedscales_render_test(self): self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Predefined) scales = [1800000, 5000000] self.mAtlas.setPredefinedScales(scales) for i, s in enumerate(self.mAtlas.predefinedScales()): assert s == scales[i] self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_predefinedscales%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def hidden_render_test(self): self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(True) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() self.mAtlas.setHideCoverage(False) def sorting_render_test(self): self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(False) self.mAtlas.setSortFeatures(True) self.mAtlas.setSortKeyAttributeIndex(4) # departement name self.mAtlas.setSortAscending(False) self.mAtlas.beginRender() for i in range(0, 2): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def filtering_render_test(self): self.mAtlasMap.setNewExtent(QgsRectangle(209838.166, 6528781.020, 610491.166, 6920530.620)) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Fixed) self.mAtlas.setHideCoverage(False) self.mAtlas.setSortFeatures(False) self.mAtlas.setFilterFeatures(True) self.mAtlas.setFeatureFilter("substr(NAME_1,1,1)='P'") # select only 'Pays de la loire' self.mAtlas.beginRender() for i in range(0, 1): self.mAtlas.prepareForFeature(i) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition) checker.setControlPathPrefix("atlas") myTestResult, myMessage = checker.testComposition(0, 200) assert myTestResult self.mAtlas.endRender() def legend_test(self): self.mAtlasMap.setAtlasDriven(True) self.mAtlasMap.setAtlasScalingMode(QgsComposerMap.Auto) self.mAtlasMap.setAtlasMargin(0.10) # add a point layer ptLayer = QgsVectorLayer("Point?crs=epsg:4326&field=attr:int(1)&field=label:string(20)", "points", "memory") pr = ptLayer.dataProvider() f1 = QgsFeature(1) f1.initAttributes(2) f1.setAttribute(0, 1) f1.setAttribute(1, "Test label 1") f1.setGeometry(QgsGeometry.fromPoint(QgsPoint(-0.638, 48.954))) f2 = QgsFeature(2) f2.initAttributes(2) f2.setAttribute(0, 2) f2.setAttribute(1, "Test label 2") f2.setGeometry(QgsGeometry.fromPoint(QgsPoint(-1.682, 48.550))) pr.addFeatures([f1, f2]) # categorized symbology r = QgsCategorizedSymbolRendererV2("attr", [QgsRendererCategoryV2(1, QgsMarkerSymbolV2.createSimple({"color": "255,0,0"}), "red"), QgsRendererCategoryV2(2, QgsMarkerSymbolV2.createSimple({"color": "0,0,255"}), "blue")]) ptLayer.setRendererV2(r) QgsMapLayerRegistry.instance().addMapLayer(ptLayer) # add the point layer to the map settings layers = self.mapSettings.layers() layers = [ptLayer.id()] + layers self.mapSettings.setLayers(layers) # add a legend legend = QgsComposerLegend(self.mComposition) legend.moveBy(200, 100) # sets the legend filter parameter legend.setComposerMap(self.mAtlasMap) legend.setLegendFilterOutAtlas(True) self.mComposition.addComposerLegend(legend) self.mAtlas.beginRender() self.mAtlas.prepareForFeature(0) self.mLabel1.adjustSizeToText() checker = QgsCompositionChecker('atlas_legend', self.mComposition) myTestResult, myMessage = checker.testComposition() assert myTestResult self.mAtlas.endRender() # restore state self.mapSettings.setLayers([layers[1]]) self.mComposition.removeComposerItem(legend) QgsMapLayerRegistry.instance().removeMapLayer(ptLayer.id())
class TestQgsComposerMap(unittest.TestCase): def __init__(self, methodName): """Run once on class initialization.""" unittest.TestCase.__init__(self, methodName) # create composition with composer map self.mMapSettings = QgsMapSettings() crs = QgsCoordinateReferenceSystem(32633) self.mMapSettings.setDestinationCrs(crs) self.mMapSettings.setCrsTransformEnabled(False) self.mComposition = QgsComposition(self.mMapSettings) self.mComposition.setPaperSize(297, 210) self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100) self.mComposerMap.setFrameEnabled(True) self.mComposerMap.setBackgroundColor(QColor(150, 100, 100)) self.mComposition.addComposerMap(self.mComposerMap) def testGrid(self): """Test that we can create a grid for a map.""" myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(True) self.mComposerMap.grid().setGridLineColor(QColor(0, 255, 0)) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setAnnotationFont(QgsFontUtils.getStandardTestFont()) self.mComposerMap.grid().setAnnotationPrecision(0) self.mComposerMap.grid().setAnnotationDisplay(QgsComposerMapGrid.HideAll, QgsComposerMapGrid.Left) self.mComposerMap.grid().setAnnotationPosition(QgsComposerMapGrid.OutsideMapFrame, QgsComposerMapGrid.Right) self.mComposerMap.grid().setAnnotationDisplay(QgsComposerMapGrid.HideAll, QgsComposerMapGrid.Top) self.mComposerMap.grid().setAnnotationPosition(QgsComposerMapGrid.OutsideMapFrame, QgsComposerMapGrid.Bottom) self.mComposerMap.grid().setAnnotationDirection(QgsComposerMapGrid.Horizontal, QgsComposerMapGrid.Right) self.mComposerMap.grid().setAnnotationDirection(QgsComposerMapGrid.Horizontal, QgsComposerMapGrid.Bottom) self.mComposerMap.grid().setAnnotationFontColor(QColor(255, 0, 0, 150)) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_Overlay) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_grid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testCrossGrid(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Cross) self.mComposerMap.grid().setCrossLength(2.0) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setGridLineColor(QColor(0, 255, 0)) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_crossgrid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testMarkerGrid(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Markers) self.mComposerMap.grid().setCrossLength(2.0) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_markergrid', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) assert myTestResult, myMessage def testFrameOnly(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.FrameAnnotationsOnly) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFramePenSize(0.5) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_gridframeonly', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition() self.mComposerMap.grid().setStyle(QgsComposerMapGrid.Solid) self.mComposerMap.grid().setEnabled(False) self.mComposerMap.grid().setAnnotationEnabled(False) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.NoFrame) assert myTestResult, myMessage def testZebraStyle(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375, 3343323.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setGridLineColor(QColor(0, 0, 0)) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setFramePenColor(QColor(255, 100, 0, 200)) self.mComposerMap.grid().setFrameFillColor1(QColor(50, 90, 50, 100)) self.mComposerMap.grid().setFrameFillColor2(QColor(200, 220, 100, 60)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage def testZebraStyleSides(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setGridLineColor(QColor(0, 0, 0)) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setGridLineWidth(0.5) self.mComposerMap.grid().setFramePenColor(QColor(0, 0, 0)) self.mComposerMap.grid().setFrameFillColor1(QColor(0, 0, 0)) self.mComposerMap.grid().setFrameFillColor2(QColor(255, 255, 255)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameLeft, True) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameRight, False) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameTop, False) self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameBottom, False) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_left', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameTop, True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_lefttop', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameRight, True) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_zebrastyle_lefttopright', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage self.mComposerMap.grid().setFrameSideFlag(QgsComposerMapGrid.FrameBottom, True) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.NoFrame) def testInteriorTicks(self): self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.Zebra) myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.grid().setIntervalX(2000) self.mComposerMap.grid().setIntervalY(2000) self.mComposerMap.grid().setAnnotationFontColor(QColor(0, 0, 0)) self.mComposerMap.grid().setBlendMode(QPainter.CompositionMode_SourceOver) self.mComposerMap.grid().setFrameStyle(QgsComposerMapGrid.InteriorTicks) self.mComposerMap.grid().setFrameWidth(10) self.mComposerMap.grid().setFramePenSize(1) self.mComposerMap.grid().setFramePenColor(QColor(0, 0, 0)) self.mComposerMap.grid().setEnabled(True) self.mComposerMap.grid().setStyle(QgsComposerMapGrid.FrameAnnotationsOnly) self.mComposerMap.updateBoundingRect() checker = QgsCompositionChecker('composermap_interiorticks', self.mComposition) checker.setControlPathPrefix("composer_mapgrid") myTestResult, myMessage = checker.testComposition(0, 100) assert myTestResult, myMessage
class TestQgsComposerMap(unittest.TestCase): def __init__(self, methodName): """Run once on class initialization.""" unittest.TestCase.__init__(self, methodName) myPath = os.path.join(TEST_DATA_DIR, "rgb256x256.png") rasterFileInfo = QFileInfo(myPath) mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(), rasterFileInfo.completeBaseName()) rasterRenderer = QgsMultiBandColorRenderer(mRasterLayer.dataProvider(), 1, 2, 3) mRasterLayer.setRenderer(rasterRenderer) # pipe = mRasterLayer.pipe() # assert pipe.set(rasterRenderer), 'Cannot set pipe renderer' QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer]) # create composition with composer map self.mMapSettings = QgsMapSettings() self.mMapSettings.setLayers([mRasterLayer.id()]) self.mMapSettings.setCrsTransformEnabled(False) self.mComposition = QgsComposition(self.mMapSettings) self.mComposition.setPaperSize(297, 210) self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100) self.mComposerMap.setFrameEnabled(True) self.mComposition.addComposerMap(self.mComposerMap) def testOverviewMap(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.overview().setFrameMap(self.mComposerMap.id()) checker = QgsCompositionChecker("composermap_overview", self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapBlend(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.overview().setFrameMap(self.mComposerMap.id()) overviewMap.overview().setBlendMode(QPainter.CompositionMode_Multiply) checker = QgsCompositionChecker("composermap_overview_blending", self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapInvert(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(96, -152, 160, -120) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.overview().setFrameMap(self.mComposerMap.id()) overviewMap.overview().setInverted(True) checker = QgsCompositionChecker("composermap_overview_invert", self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage def testOverviewMapCenter(self): overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70) overviewMap.setFrameEnabled(True) self.mComposition.addComposerMap(overviewMap) # zoom in myRectangle = QgsRectangle(192, -288, 320, -224) self.mComposerMap.setNewExtent(myRectangle) myRectangle2 = QgsRectangle(0, -256, 256, 0) overviewMap.setNewExtent(myRectangle2) overviewMap.overview().setFrameMap(self.mComposerMap.id()) overviewMap.overview().setInverted(False) overviewMap.overview().setCentered(True) checker = QgsCompositionChecker("composermap_overview_center", self.mComposition) checker.setControlPathPrefix("composer_mapoverview") myTestResult, myMessage = checker.testComposition() self.mComposition.removeComposerItem(overviewMap) assert myTestResult, myMessage # Fails because addItemsFromXml has been commented out in sip @unittest.expectedFailure def testuniqueId(self): doc = QDomDocument() documentElement = doc.createElement("ComposerItemClipboard") self.mComposition.writeXml(documentElement, doc) self.mComposition.addItemsFromXml(documentElement, doc, 0, False) # test if both composer maps have different ids newMap = QgsComposerMap() mapList = self.mComposition.composerMapItems() for mapIt in mapList: if mapIt != self.mComposerMap: newMap = mapIt break oldId = self.mComposerMap.id() newId = newMap.id() self.mComposition.removeComposerItem(newMap) myMessage = "old: %s new: %s" % (oldId, newId) assert oldId != newId, myMessage def testWorldFileGeneration(self): myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125) self.mComposerMap.setNewExtent(myRectangle) self.mComposerMap.setMapRotation(30.0) self.mComposition.setGenerateWorldFile(True) self.mComposition.setWorldFileMap(self.mComposerMap) p = self.mComposition.computeWorldFileParameters() pexpected = ( 4.180480199790922, 2.4133064516129026, 779443.7612381146, 2.4136013686911886, -4.179969388427311, 3342408.5663611, ) ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e03) for i in range(0, 6): assert abs(p[i] - pexpected[i]) < ptolerance[i]
def renderer(self): qgis = QgsApplication([], False) qgis.setPrefixPath(self.settings.get('path'), True) qgis.setMaxThreads(1) qgis.initQgis() while True: try: fndata, srs, render_size, extended, \ target_box, result = self.queue.get() layer = QgsVectorLayer(fndata, 'layer', 'ogr') crs = QgsCoordinateReferenceSystem(srs.id) layer.setCrs(crs) settings = QgsMapSettings() settings.setLayers([layer.id()]) settings.setFlag(QgsMapSettings.DrawLabeling) settings.setFlag(QgsMapSettings.Antialiasing) settings.setCrsTransformEnabled(True) settings.setDestinationCrs(crs) settings.setMapUnits(crs.mapUnits()) settings.setOutputSize(QSize(*render_size)) settings.setExtent(QgsRectangle(*extended)) settings.setOutputImageFormat(QImage.Format_ARGB32) bgcolor = QColor.fromRgba(qRgba(255, 255, 255, 0)) settings.setBackgroundColor(bgcolor) settings.setOutputDpi(96) QgsMapLayerRegistry.instance().addMapLayer(layer) settings.setLayers([layer.id()]) # Создаем QImage руками чтобы можно было использовать # QgsMapRendererCustomPainterJob. Остальные не позволяют # обойти баг с рисованием поверх старого. img = QImage(settings.outputSize(), QImage.Format_ARGB32) # Эти костыли нужны для того, чтобы корректно рисовались # слои на прозрачном фоне, без этого получается каша. img.fill(QColor.fromRgba(qRgba(255, 255, 255, 255))) img.fill(QColor.fromRgba(qRgba(255, 255, 255, 0))) # DPI должно быть таким же как в settings, иначе ошибка. В QImage # разрешение указывается в точках на метр по каждой оси. dpm = settings.outputDpi() / 25.4 * 1000 img.setDotsPerMeterX(dpm) img.setDotsPerMeterY(dpm) painter = QPainter(img) job = QgsMapRendererCustomPainterJob(settings, painter) job.renderSynchronously() painter.end() QgsMapLayerRegistry.instance().removeAllMapLayers() # Преобразование QImage в PIL ba = QByteArray() bf = QBuffer(ba) bf.open(QIODevice.WriteOnly) img.save(bf, 'PNG') bf.close() buf = StringIO() buf.write(bf.data()) buf.seek(0) img = PIL.Image.open(buf) # Вырезаем нужный нам кусок изображения result.put(img.crop(target_box)) except Exception as e: self.logger.error(e.message) qgis.exitQgis()
class TileSet(): """ A set of tiles """ 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 # TODO: Check if file exists and update instead? driver = self.getDriverForFile(output) if not driver: raise GeoAlgorithmExecutionException( 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_RGB32) self.settings = QgsMapSettings() self.settings.setCrsTransformEnabled(True) self.settings.setOutputDpi(self.image.logicalDpiX()) self.settings.setOutputImageFormat(QImage.Format_RGB32) self.settings.setDestinationCrs(crs) self.settings.setOutputSize(self.image.size()) self.settings.setMapUnits(crs.mapUnits()) self.settings.setFlag(QgsMapSettings.Antialiasing, True) self.settings.setFlag(QgsMapSettings.RenderMapTile, True) if QgsProject.instance().visibilityPresetCollection().hasPreset( map_theme): self.settings.setLayers(QgsProject.instance( ).visibilityPresetCollection().presetVisibleLayers(map_theme)) self.settings.setLayerStyleOverrides(QgsProject.instance( ).visibilityPresetCollection().presetStyleOverrides(map_theme)) elif layer: self.settings.setLayers([layer]) else: self.settings.setLayers(map_settings.layers()) def render(self, progress): for x in range(self.x_tile_count): for y in range(self.y_tile_count): cur_tile = x * self.y_tile_count + y num_tiles = self.x_tile_count * self.y_tile_count progress.setPercentage(cur_tile * 100 / num_tiles) self.renderTile(x, y) def renderTile(self, x, y): """ Render one tile :param x: The x index of the current tile :param y: The y index of the current tile """ painter = QPainter(self.image) self.settings.setExtent( QgsRectangle( self.extent.xMinimum() + x * self.mupp * self.tile_size, self.extent.yMaximum() - (y + 1) * self.mupp * self.tile_size, self.extent.xMinimum() + (x + 1) * self.mupp * self.tile_size, self.extent.yMaximum() - y * self.mupp * self.tile_size)) job = QgsMapRendererCustomPainterJob(self.settings, painter) job.renderSynchronously() painter.end() # Needs not to be deleted or Windows will kill it too early... tmpfile = tempfile.NamedTemporaryFile(suffix='.png', delete=False) try: self.image.save(tmpfile.name) src_ds = osgeo.gdal.Open(tmpfile.name) self.dataset.WriteRaster( x * self.tile_size, y * self.tile_size, self.tile_size, self.tile_size, src_ds.ReadRaster(0, 0, self.tile_size, self.tile_size)) finally: del src_ds tmpfile.close() os.unlink(tmpfile.name) def getDriverForFile(self, filename): """ Get the GDAL driver for a filename, based on its extension. (.gpkg, .mbtiles...) """ _, extension = os.path.splitext(filename) for i in range(osgeo.gdal.GetDriverCount()): driver = osgeo.gdal.GetDriver(i) if driver.GetMetadataItem('DMD_EXTENSION') == extension[1:]: return driver
def render(self, params): self.check_required_params(params) with change_directory(self.project_root): crs = QgsCoordinateReferenceSystem() crs.createFromSrid(params.get('srs')) img = QImage( QSize(*params.get('image_size')), QImage.Format_ARGB32_Premultiplied ) dpm = 1 / 0.00028 img.setDotsPerMeterX(dpm) img.setDotsPerMeterY(dpm) # set background color bgcolor = params.get('bgcolor') if params.get('transparent'): # fully transparent bgcolor.append(0) else: # fully opaque bgcolor.append(255) color = QColor(*bgcolor) img.fill(color) map_settings = QgsMapSettings() map_settings.setBackgroundColor(color) map_settings.setDestinationCrs(crs) map_settings.setCrsTransformEnabled(True) map_settings.setExtent(QgsRectangle(*params.get('bbox'))) map_settings.setOutputDpi(img.logicalDpiX()) map_settings.setOutputSize(img.size()) map_settings.setMapUnits(crs.mapUnits()) layers = params.get('layers') self.setTransparencies(layers, params.get('transparencies')) map_settings.setLayers(layers) p = QPainter() p.begin(img) job = QgsMapRendererCustomPainterJob(map_settings, p) job.start() job.waitForFinished() map_buffer = QBuffer() map_buffer.open(QIODevice.ReadWrite) if params.get('image_format') == 'jpeg': img.save(map_buffer, 'JPEG') elif params.get('image_format') == 'png8': png8 = img.convertToFormat(QImage.Format_Indexed8) png8.save(map_buffer, "PNG") else: img.save(map_buffer, 'PNG') # clean up p.end() map_buffer.close() return map_buffer.data()