def _initRenderer(self): # set up a renderer labeling = QgsPalLabeling() renderer = QgsMapRenderer() renderer.setDestinationCrs(self.exportSettings.crs) renderer.setProjectionsEnabled(True) renderer.setLabelingEngine(labeling) # save renderer self._labeling = labeling self._renderer = renderer
def _initRenderer(self): # set up a renderer labeling = QgsPalLabeling() renderer = QgsMapRenderer() renderer.setDestinationCrs(self.context.crs) renderer.setProjectionsEnabled(True) renderer.setLabelingEngine(labeling) # save renderer self._labeling = labeling self._renderer = renderer
def createimage(self, extent, crs, outputsize): render = QgsMapRenderer() render.setLayerSet(self.loadedlayers.values()) render.setProjectionsEnabled(True) render.setDestinationCrs(crs) render.setExtent(extent) img = QImage(outputsize, QImage.Format_ARGB32_Premultiplied) img.fill(Qt.transparent) #needed, apparently the QImage() is not empty painter = QPainter() painter.begin(img) painter.setRenderHint(QPainter.Antialiasing) render.setOutputSize(img.size(), img.logicalDpiX()) log("about to render") render.render(painter) log("just rendered") painter.end() return img
def testCase(self): self.TEST_DATA_DIR = unitTestDataPath() vectorFileInfo = QFileInfo( self.TEST_DATA_DIR + "/france_parts.shp") mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" ) QgsMapLayerRegistry.instance().addMapLayers( [mVectorLayer] ) # create composition with composer map mMapRenderer = QgsMapRenderer() layerStringList = [] layerStringList.append( mVectorLayer.id() ) mMapRenderer.setLayerSet( layerStringList ) mMapRenderer.setProjectionsEnabled( True ) mMapRenderer.setMapUnits( QGis.Meters ) # select epsg:2154 crs = QgsCoordinateReferenceSystem() crs.createFromSrid( 2154 ) mMapRenderer.setDestinationCrs( crs ) self.mComposition = QgsComposition( mMapRenderer ) 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()
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 mMapRenderer = QgsMapRenderer() layerStringList = [] layerStringList.append(mVectorLayer.id()) mMapRenderer.setLayerSet(layerStringList) mMapRenderer.setProjectionsEnabled(True) mMapRenderer.setMapUnits(QGis.Meters) # select epsg:2154 crs = QgsCoordinateReferenceSystem() crs.createFromSrid(2154) mMapRenderer.setDestinationCrs(crs) self.mComposition = QgsComposition(mMapRenderer) 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() shutil.rmtree(tmppath, True)
def identify(self, params): self.check_required_params(params) feature_collections = [] with change_directory(self.project_root): crs = QgsCoordinateReferenceSystem() crs.createFromSrid(params.get('srs')) search_box = self._calcSearchBox( params.get('bbox'), params.get('image_size')[0], params.get('image_size')[1], params.get('click_point')[0], params.get('click_point')[1] ) # initialize mapRenderer and a rendering context in order to be # to check if a feature will actually be rendered # we don't want to return features that are not visible img = QImage(QSize( settings.SUNLUMO_GFI_BUFFER*2, settings.SUNLUMO_GFI_BUFFER*2), QImage.Format_ARGB32_Premultiplied ) dpm = 1 / 0.00028 img.setDotsPerMeterX(dpm) img.setDotsPerMeterY(dpm) mapRenderer = QgsMapRenderer() mapRenderer.clearLayerCoordinateTransforms() mapRenderer.setOutputSize(QSize( settings.SUNLUMO_GFI_BUFFER*2, settings.SUNLUMO_GFI_BUFFER*2), img.logicalDpiX() ) mapRenderer.setDestinationCrs(crs) mapRenderer.setProjectionsEnabled(True) mapUnits = crs.mapUnits() mapRenderer.setMapUnits(mapUnits) mapExtent = QgsRectangle(*search_box) mapRenderer.setExtent(mapExtent) renderContext = QgsRenderContext() renderContext.setExtent(mapRenderer.extent()) renderContext.setRasterScaleFactor(1.0) renderContext.setMapToPixel(mapRenderer.coordinateTransform()) renderContext.setRendererScale(mapRenderer.scale()) renderContext.setScaleFactor(mapRenderer.outputDpi() / 25.4) renderContext.setPainter(None) qfr = QgsFeatureRequest() search_rectangle = QgsRectangle(*search_box) qfr.setFilterRect(search_rectangle) for q_layer in params.get('query_layers'): layer = self.layerRegistry.mapLayer(q_layer) if layer.type() == QgsMapLayer.RasterLayer: # skip raster layer processing continue # update layer fields (expressions, calculated, joined) layer.updateFields() scaleCalc = QgsScaleCalculator( (img.logicalDpiX() + img.logicalDpiY()) / 2, mapRenderer.destinationCrs().mapUnits() ) scaleDenom = scaleCalc.calculate(mapExtent, img.width()) # skip the layer if it's not visible at the current map scale if layer.hasScaleBasedVisibility(): if not(layer.minimumScale() < scaleDenom < layer.maximumScale()): continue # check if features actually intersect search rectangle intersected_features = self._intersectedFeatures( layer.getFeatures(qfr), search_rectangle ) # visible features generator visible_features = self._visibleFeatures( layer, renderContext, intersected_features ) layer_features = [featureToGeoJSON( feature.id(), feature.geometry(), self._collectAttributes(layer, feature) ) for feature in visible_features ] feature_collections.append(layer_features) return writeGeoJSON(chain(*feature_collections))
def saveControlImage(self, tmpimg=''): # don't save control images for RenderVsOtherOutput (Vs) tests, since # those control images belong to a different test result if ('PAL_CONTROL_IMAGE' not in os.environ or 'Vs' in self._TestGroup): return imgpath = self.controlImagePath() # print "saveControlImage: {0}".format(imgpath) testdir = os.path.dirname(imgpath) if not os.path.exists(testdir): os.makedirs(testdir) imgbasepath = \ os.path.join(testdir, os.path.splitext(os.path.basename(imgpath))[0]) for f in glob.glob(imgbasepath + '.*'): if os.path.exists(f): os.remove(f) if tmpimg and os.path.exists(tmpimg): shutil.copyfile(tmpimg, imgpath) else: print '\nsaveControlImage.render(): entered' print '{0}.{1}'.format(self._TestGroup, self._TestFunction) ms = self._MapSettings # class settings """:type: QgsMapSettings""" if self._TestMapSettings is not None: ms = self._TestMapSettings # per test settings print 'self._MapSettings...' print 'ms.layers(): {0}'.format( [self._MapRegistry.mapLayer(i).name() for i in ms.layers()]) print 'ms.outputSize(): {0} x {1}'.format(ms.outputSize().width(), ms.outputSize().height()) print 'ms.outputDpi(): {0}'.format(ms.outputDpi()) print 'ms.mapUnits(): {0}'.format(ms.mapUnits()) print 'ms.extent(): {0}'.format(ms.extent().toString()) print 'ms.hasCrsTransformEnabled(): {0}'.format( ms.hasCrsTransformEnabled()) print 'ms.destinationCrs(): {0}'.format( ms.destinationCrs().authid()) # pal = QgsPalLabeling() pal = self._Pal.clone() # or custom settings are lost pal.init(ms) r = QgsMapRenderer() r.setLabelingEngine(pal) # this seems too redundant r.setOutputSize(ms.outputSize(), ms.outputDpi()) r.setMapUnits(ms.mapUnits()) r.setExtent(ms.extent()) r.setProjectionsEnabled(ms.hasCrsTransformEnabled()) r.setDestinationCrs(ms.destinationCrs()) r.setLayerSet(ms.layers()) ctx = r.rendererContext() ctx.setDrawEditingInformation( ms.testFlag(QgsMapSettings.DrawEditingInfo)) ctx.setForceVectorOutput( ms.testFlag(QgsMapSettings.ForceVectorOutput)) ctx.setUseAdvancedEffects( ms.testFlag(QgsMapSettings.UseAdvancedEffects)) image = QImage(ms.outputSize(), QImage.Format_ARGB32) image.fill(ms.backgroundColor().rgb()) image.setDotsPerMeterX(ms.outputDpi() / 25.4 * 1000) image.setDotsPerMeterY(ms.outputDpi() / 25.4 * 1000) p = QPainter(image) r.render(p) p.end() if not image.save(imgpath, 'png'): os.unlink(imgpath) # delete extraneous world file (always generated) # wrld_file = imgbasepath + '.PNGw' # if os.path.exists(wrld_file): # os.remove(wrld_file) if not os.path.exists(imgpath): raise OSError('Control image not created: {0}'.format(imgpath))
def saveControlImage(self, tmpimg=''): # don't save control images for RenderVsOtherOutput (Vs) tests, since # those control images belong to a different test result if ('PAL_CONTROL_IMAGE' not in os.environ or 'Vs' in self._TestGroup): return imgpath = self.controlImagePath() # print "saveControlImage: {0}".format(imgpath) testdir = os.path.dirname(imgpath) if not os.path.exists(testdir): os.makedirs(testdir) imgbasepath = \ os.path.join(testdir, os.path.splitext(os.path.basename(imgpath))[0]) for f in glob.glob(imgbasepath + '.*'): if os.path.exists(f): os.remove(f) if tmpimg and os.path.exists(tmpimg): shutil.copyfile(tmpimg, imgpath) else: print '\nsaveControlImage.render(): entered' print '{0}.{1}'.format(self._TestGroup, self._TestFunction) ms = self._MapSettings # class settings """:type: QgsMapSettings""" if self._TestMapSettings is not None: ms = self._TestMapSettings # per test settings print 'self._MapSettings...' print 'ms.layers(): {0}'.format( [self._MapRegistry.mapLayer(i).name() for i in ms.layers()] ) print 'ms.outputSize(): {0} x {1}'.format( ms.outputSize().width(), ms.outputSize().height()) print 'ms.outputDpi(): {0}'.format(ms.outputDpi()) print 'ms.mapUnits(): {0}'.format(ms.mapUnits()) print 'ms.extent(): {0}'.format(ms.extent().toString()) print 'ms.hasCrsTransformEnabled(): {0}'.format( ms.hasCrsTransformEnabled()) print 'ms.destinationCrs(): {0}'.format( ms.destinationCrs().authid()) # pal = QgsPalLabeling() pal = self._Pal.clone() # or custom settings are lost pal.init(ms) r = QgsMapRenderer() r.setLabelingEngine(pal) # this seems too redundant r.setOutputSize(ms.outputSize(), ms.outputDpi()) r.setMapUnits(ms.mapUnits()) r.setExtent(ms.extent()) r.setProjectionsEnabled(ms.hasCrsTransformEnabled()) r.setDestinationCrs(ms.destinationCrs()) r.setLayerSet(ms.layers()) ctx = r.rendererContext() ctx.setDrawEditingInformation( ms.testFlag(QgsMapSettings.DrawEditingInfo)) ctx.setForceVectorOutput( ms.testFlag(QgsMapSettings.ForceVectorOutput)) ctx.setUseAdvancedEffects( ms.testFlag(QgsMapSettings.UseAdvancedEffects)) image = QImage(ms.outputSize(), QImage.Format_ARGB32) image.fill(ms.backgroundColor().rgb()) image.setDotsPerMeterX(ms.outputDpi() / 25.4 * 1000) image.setDotsPerMeterY(ms.outputDpi() / 25.4 * 1000) p = QPainter(image) r.render(p) p.end() if not image.save(imgpath, 'png'): os.unlink(imgpath) # delete extraneous world file (always generated) # wrld_file = imgbasepath + '.PNGw' # if os.path.exists(wrld_file): # os.remove(wrld_file) if not os.path.exists(imgpath): raise OSError('Control image not created: {0}'.format(imgpath))
print("Image size: %dx%d" % (iwidth, iheight)) dpi = args.dpi img = QImage(iwidth, iheight, QImage.Format_RGB32) img.setDotsPerMeterX(dpi / 25.4 * 1000) img.setDotsPerMeterY(dpi / 25.4 * 1000) img.fill(qRgb(255, 255, 255)) dpi = img.logicalDpiX() print("Image DPI: %d" % dpi) render.setOutputSize(QSize(img.width(), img.height()), dpi) render.setDestinationCrs(crs) render.setProjectionsEnabled(True) render.setMapUnits(crs.mapUnits()) render.setExtent(extent) print("Scale: %f" % render.scale()) painter = QPainter(img) painter.setRenderHint(QPainter.Antialiasing) render.render(painter) painter.end() ba = QByteArray() bf = QBuffer(ba) bf.open(QIODevice.WriteOnly) img.save(bf, 'PNG')