def loadLayer(self, dictOpts): print "I: Loading the layer..." self.layerSRID = dictOpts["srid"] # To access the SRID when querying layer properties if not self.isActiveWindow(): self.activateWindow() self.raise_() if dictOpts["type"] == "vector": # QGIS connection uri = QgsDataSourceURI() uri.setConnection(dictOpts["-h"], dictOpts["-p"], dictOpts["-d"], dictOpts["-U"], dictOpts["-W"]) uri.setDataSource(dictOpts["-s"], dictOpts["-t"], dictOpts["-g"]) layer = QgsVectorLayer(uri.uri(), dictOpts["-s"] + "." + dictOpts["-t"], "postgres") elif dictOpts["type"] == "raster": connString = "PG: dbname=%s host=%s user=%s password=%s port=%s schema=%s table=%s" % ( dictOpts["-d"], dictOpts["-h"], dictOpts["-U"], dictOpts["-W"], dictOpts["-p"], dictOpts["-s"], dictOpts["-t"], ) layer = QgsRasterLayer(connString, dictOpts["-s"] + "." + dictOpts["-t"]) layer.setNoDataValue(-32768) layer.rasterTransparency().initializeTransparentPixelList(-32768) if layer.isValid(): if self.canvas.layerCount() == 0: self.canvas.setExtent(layer.extent()) if dictOpts["srid"] != "-1": print "I: Map SRS (EPSG): %s" % dictOpts["srid"] self.canvas.setMapUnits(layer.srs().mapUnits()) else: print "I: Unknown Reference System" self.canvas.setMapUnits(0) # 0: QGis.Meters QgsMapLayerRegistry.instance().addMapLayer(layer)