QGIS/python/plugins/processing/algs/saga/SagaAlgorithm214.py

65 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
SagaAlgorithm213.py
---------------------
Date : December 2014
Copyright : (C) 2014 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'December 2014'
__copyright__ = '(C) 2014, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from SagaAlgorithm213 import SagaAlgorithm213
from processing.tools import dataobjects
from processing.tools.system import getTempFilenameInTempFolder
sessionExportedLayers = {}
class SagaAlgorithm214(SagaAlgorithm213):
def getCopy(self):
newone = SagaAlgorithm214(self.descriptionFile)
newone.provider = self.provider
return newone
def exportRasterLayer(self, source):
global sessionExportedLayers
if source in sessionExportedLayers:
exportedLayer = sessionExportedLayers[source]
if os.path.exists(exportedLayer):
self.exportedLayers[source] = exportedLayer
return None
else:
del sessionExportedLayers[source]
layer = dataobjects.getObjectFromUri(source, False)
if layer:
filename = layer.name()
else:
filename = os.path.basename(source)
validChars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:'
filename = ''.join(c for c in filename if c in validChars)
if len(filename) == 0:
filename = 'layer'
destFilename = getTempFilenameInTempFolder(filename + '.sgrd')
self.exportedLayers[source] = destFilename
sessionExportedLayers[source] = destFilename
return 'io_gdal 0 -TRANSFORM 1 -INTERPOL 0 -GRIDS "' + destFilename + '" -FILES "' + source + '"'