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)