def exportVectorLayer(layer):
'''accepts a QgsVectorLayer or a string with a filepath'''
settings = QtCore.QSettings()
systemEncoding = settings.value("/UI/encoding", "System")
if isinstance(layer, QgsMapLayer):
filename = unicode(layer.source())
destFilename = unicode(layer.name())
else:
filename = unicode(layer)
destFilename = unicode(os.path.splitext(os.path.basename(filename))[0])
if (not filename.lower().endswith("shp")):
if not isinstance(layer, QgsMapLayer):
layer = QgsVectorLayer(filename, "layer", "ogr")
if not layer.isValid() or layer.type() != QgsMapLayer.VectorLayer:
raise Exception(
"Error reading file {} or it is not a valid vector layer file"
.format(filename))
output = utils.tempFilenameInTempFolder(destFilename + ".shp")
provider = layer.dataProvider()
writer = QgsVectorFileWriter(output, systemEncoding,
layer.pendingFields(),
provider.geometryType(), layer.crs())
for feat in layer.getFeatures():
writer.addFeature(feat)
del writer
iface.messageBar().pushMessage(
"Warning",
"Layer had to be exported to shapefile for importing. Data might be lost.",
level=QgsMessageBar.WARNING,
duration=5)
return output
else:
return filename
def exportVectorLayer(layer):
'''accepts a QgsVectorLayer or a string with a filepath'''
settings = QtCore.QSettings()
systemEncoding = settings.value( "/UI/encoding", "System" )
if isinstance(layer, QgsMapLayer):
filename = unicode(layer.source())
destFilename = unicode(layer.name())
else:
filename = unicode(layer)
destFilename = unicode(os.path.splitext(os.path.basename(filename))[0])
if (not filename.lower().endswith("shp")):
if not isinstance(layer, QgsMapLayer):
layer = QgsVectorLayer(filename, "layer", "ogr")
if not layer.isValid() or layer.type() != QgsMapLayer.VectorLayer:
raise Exception ("Error reading file {} or it is not a valid vector layer file".format(filename))
output = utils.tempFilenameInTempFolder(destFilename + ".shp")
provider = layer.dataProvider()
writer = QgsVectorFileWriter(output, systemEncoding, layer.pendingFields(), provider.geometryType(), layer.crs() )
for feat in layer.getFeatures():
writer.addFeature(feat)
del writer
iface.messageBar().pushMessage("Warning", "Layer had to be exported to shapefile for importing. Data might be lost.",
level = QgsMessageBar.WARNING,
duration = 5)
return output
else:
return filename
def exportRasterLayer(layer):
if (not unicode(layer.source()).lower().endswith("tif") ):
filename = str(layer.name())
output = utils.tempFilenameInTempFolder(filename + ".tif")
writer = QgsRasterFileWriter(output)
writer.setOutputFormat("GTiff");
writer.writeRaster(layer.pipe(), layer.width(), layer.height(), layer.extent(), layer.crs())
del writer
return output
else:
return unicode(layer.source())
def exportRasterLayer(layer):
if (not unicode(layer.source()).lower().endswith("tif")):
filename = str(layer.name())
output = utils.tempFilenameInTempFolder(filename + ".tif")
writer = QgsRasterFileWriter(output)
writer.setOutputFormat("GTiff")
writer.writeRaster(layer.pipe(), layer.width(), layer.height(),
layer.extent(), layer.crs())
del writer
return output
else:
return unicode(layer.source())