def make_pdf(): canvas = QgsMapCanvas() # Load our project QgsProject.instance().read(QFileInfo(project_path)) bridge = QgsLayerTreeMapCanvasBridge(QgsProject.instance().layerTreeRoot(), canvas) bridge.setCanvasLayers() template_file = file(template_path) template_content = template_file.read() template_file.close() document = QDomDocument() document.setContent(template_content) composition = QgsComposition(canvas.mapSettings()) # You can use this to replace any string like this [key] # in the template with a new value. e.g. to replace # [date] pass a map like this {'date': '1 Jan 2012'} substitution_map = {'DATE_TIME_START': 'foo', 'DATE_TIME_END': 'bar'} composition.loadFromTemplate(document, substitution_map) # You must set the id in the template map_item = composition.getComposerItemById('map') map_item.setMapCanvas(canvas) map_item.zoomToExtent(canvas.extent()) # You must set the id in the template legend_item = composition.getComposerItemById('legend') legend_item.updateLegend() composition.refreshItems() composition.exportAsPDF('report.pdf') QgsProject.instance().clear()
def make_pdf(): canvas = QgsMapCanvas() # Load our project QgsProject.instance().read(QFileInfo(project_path)) bridge = QgsLayerTreeMapCanvasBridge( QgsProject.instance().layerTreeRoot(), canvas) bridge.setCanvasLayers() if canvas.layerCount() < 1: print 'No layers loaded from this project, exiting.' return print canvas.mapSettings().extent().toString() template_file = file(template_path) template_content = template_file.read() template_file.close() document = QDomDocument() document.setContent(template_content) composition = QgsComposition(canvas.mapSettings()) # You can use this to replace any string like this [key] # in the template with a new value. e.g. to replace # [date] pass a map like this {'date': '1 Jan 2012'} substitution_map = { 'DATE_TIME_START': TIME_START, 'DATE_TIME_END': TIME_STOP} composition.loadFromTemplate(document, substitution_map) # You must set the id in the template map_item = composition.getComposerItemById('map') map_item.setMapCanvas(canvas) map_item.zoomToExtent(canvas.extent()) # You must set the id in the template legend_item = composition.getComposerItemById('legend') legend_item.updateLegend() composition.refreshItems() composition.exportAsPDF( '/home/web/reports/pdf/%s/%s.pdf' % (TIME_SLICE, LABEL)) QgsProject.instance().clear()
def export_pdf(self, title=''): ''' Export Composition (map view and checked layers) to PDF ''' title = self.active_scenario.name if self.active_scenario else '' dialog = ExportPDFDialog(title=title, parent=self) result = dialog.exec_() ok = result == QtGui.QDialog.Accepted if not ok: return title = dialog.title date = dialog.date filepath = browse_file(None, 'Export', PDF_FILTER, save=True, parent=self) if not filepath: return bridge = QgsLayerTreeMapCanvasBridge( QgsProject.instance().layerTreeRoot(), self.canvas) bridge.setCanvasLayers() template_file = file(REPORT_TEMPLATE_PATH) template_content = template_file.read() template_file.close() document = QDomDocument() document.setContent(template_content) composition = QgsComposition(self.canvas.mapSettings()) # You can use this to replace any string like this [key] # in the template with a new value. e.g. to replace # [date] pass a map like this {'date': '1 Jan 2012'} substitution_map = { 'TITLE': title, 'DATE_TIME': date} composition.loadFromTemplate(document, substitution_map) # You must set the id in the template map_item = composition.getComposerItemById('map') map_item.setMapCanvas(self.canvas) map_item.zoomToExtent(self.canvas.extent()) # You must set the id in the template legend_item = composition.getComposerItemById('legend') legend_item.updateLegend() composition.refreshItems() composition.exportAsPDF(filepath) if sys.platform.startswith('darwin'): subprocess.call(('open', filepath)) elif os.name == 'nt': os.startfile(filepath) elif os.name == 'posix': subprocess.call(('xdg-open', filepath))
def load_composition(self): """ Creates the composition object (which is needed for creating the file) from the template file. :returns: the composition object :rtype: QgsComposition """ template_path = get_plugin_path() + self.templates[ self.dockwidget.comboBox_template.currentText()] template_file = open(template_path, "r") content = template_file.read() template_file.close() # the method from QgsComposition for loading the template needs to be a QDomDocument document = QDomDocument() document.setContent(content) # composition = QgsComposition(iface.mapCanvas().mapSettings()) does not work #TODO: is deprecated but works ...fix in new version https://hub.qgis.org/issues/11077 composition = QgsComposition(iface.mapCanvas().mapRenderer()) if not composition.loadFromTemplate(document): iface.messageBar().pushMessage("Error while loading template!") return # set map map_item = composition.getComposerItemById("map") map_item.setMapCanvas(iface.mapCanvas()) map_item.zoomToExtent(iface.mapCanvas().extent()) # set legend try: legend_item = composition.getComposerItemById("legend") legend_item.updateLegend() except AttributeError: # in case first template was selected pass composition.refreshItems() return composition
template_content = template_file.read() template_file.close() document = QDomDocument() document.setContent(template_content) ms = canvas.mapSettings() composition = QgsComposition(ms) composition.loadFromTemplate(document, {}) # You must set the id in the template #map_item = composition.getComposerItemById('map') map_item = composition.getComposerMapById(1) #map_item.setMapCanvas(canvas) #map_item.zoomToExtent(canvas.extent()) # You must set the id in the template #legend_item = composition.getComposerItemById('legend') #legend_item.updateLegend() composition.refreshItems() dpmm = dpi / 25.4 #width = int(dpmm * composition.paperWidth()) width = int(1400) print(width) #height = int(dpmm * 141) height = int(1000) print(height) # create output image and initialize it image = QImage(QSize(width, height), QImage.Format_ARGB32) #image.setDotsPerMeterX(dpmm * 1000) #image.setDotsPerMeterY(dpmm * 1000) #image.fill(0)
def exportToPdf(self, print_context, targetFile=None): self.iface.mapCanvas().setDestinationCrs( self.settings_instance.projection.crs()) myComposition = QgsComposition(self.iface.mapCanvas().mapSettings()) template = self.env.get_template(print_context['template']) custom_qpt = template.render(CONTEXT=print_context) myDocument = QDomDocument() myDocument.setContent(custom_qpt) myComposition.loadFromTemplate(myDocument) suggestedFile = os.path.join( self.settings_instance.projectFolderPath.text(), print_context['title'] + ".pdf") if not targetFile: targetFile = QFileDialog.getSaveFileName( None, "Export " + print_context['job'], suggestedFile, "*.pdf") interactive = True if not targetFile: return else: interactive = None outputDir = tempfile.gettempdir() with open(os.path.join(targetFile + '.qpt'), "wb") as qpt_file: qpt_file.write(custom_qpt) if print_context['type'] == 'report': myComposition.exportAsPDF(targetFile) elif print_context['type'] == 'map': print myComposition.getComposerMapById(0) print myComposition.getComposerItemById('5') for composer_map in myComposition.composerMapItems(): print composer_map, composer_map.id() fdtm_extent = None for layer in [ self.settings_instance.EPpLayer, self.settings_instance.EApLayer, self.settings_instance.WRLayer, self.settings_instance.WDSLayer ]: if layer.featureCount() > 0: if fdtm_extent: fdtm_extent.combineExtentWith(layer.extent()) else: fdtm_extent = layer.extent() fdtm_extent.scale(1.1) composer_map.zoomToExtent(fdtm_extent) composer_map.updateItem() myComposition.refreshItems() myComposition.exportAsPDF(targetFile) elif print_context['type'] == 'mapppp': print print_context myComposition = QgsComposition( self.iface.mapCanvas().mapSettings()) myComposition.setPlotStyle(QgsComposition.Print) myComposition.setPaperSize(297, 210) composer_map = QgsComposerMap(myComposition, 10, 10, 190, 190) fdtm_extent = self.settings_instance.EPpLayer.extent() for layer in [ self.settings_instance.EApLayer, self.settings_instance.WRLayer, self.settings_instance.WDSLayer ]: fdtm_extent.combineExtentWith(layer.extent()) composer_map.zoomToExtent(fdtm_extent) composer_map.updateItem() myComposition.addItem(composer_map) table = QgsComposerAttributeTable(myComposition) table.setItemPosition(205, 170) table.setVectorLayer(QgsMapLayerRegistry.instance().mapLayer( print_context['id'])) table.setMaximumNumberOfFeatures(20) table.setFilterFeatures(True) col1 = QgsComposerTableColumn() col1.setAttribute('types') col1.setHeading("types") col2 = QgsComposerTableColumn() col2.setAttribute('project units') col2.setHeading("project units") col3 = QgsComposerTableColumn() col3.setAttribute('Areas') col3.setHeading("Areas") col4 = QgsComposerTableColumn() col4.setAttribute('Lengths') col4.setHeading("Lengths") col5 = QgsComposerTableColumn() col5.setAttribute('Cost') col5.setHeading("Cost") table.setColumns([col1, col2, col3, col4, col5]) myComposition.addItem(table) myComposition.exportAsPDF(targetFile) elif print_context['type'] == 'atlas': myComposition.setAtlasMode(QgsComposition.ExportAtlas) for composer_map in myComposition.composerMapItems(): print composer_map, composer_map.id() atlas = myComposition.atlasComposition() atlas.setComposerMap(composer_map) #DEPRECATED atlas.setPredefinedScales(self.PREDEFINED_SCALES) composer_map.setAtlasDriven(True) composer_map.setAtlasScalingMode(QgsComposerMap.Predefined) atlas.beginRender() rendered_pdf = [] progress = progressBar(self, "exporting " + print_context['job'], atlas.numFeatures()) for i in range(0, atlas.numFeatures()): atlas.prepareForFeature(i) current_filename = atlas.currentFilename() file_name = '_'.join(current_filename.split()) file_path = '%s.pdf' % file_name path = os.path.join(outputDir, file_path) myComposition.exportAsPDF(path) rendered_pdf.append(path) progress.setStep(i) progress.stop(print_context['job'] + "exported to " + targetFile) atlas.endRender() merge_pdfs(rendered_pdf, targetFile) if interactive: open_file(targetFile) return targetFile