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55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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OutputRaster.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from sextante.core.QGisLayers import QGisLayers
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from sextante.outputs.Output import Output
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from sextante.core.SextanteUtils import SextanteUtils
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class OutputRaster(Output):
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compatible = None
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def getFileFilter(self, alg):
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exts = QGisLayers.getSupportedOutputRasterLayerExtensions()
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for i in range(len(exts)):
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exts[i] = exts[i].upper() + " files(*." + exts[i].lower() + ")"
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return ";;".join(exts)
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def getDefaultFileExtension(self, alg):
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return alg.provider.getSupportedOutputRasterLayerExtensions()[0]
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def getCompatibleFileName(self, alg):
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'''Returns a filename that is compatible with the algorithm that is going to generate this output.
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If the algorithm supports the file format of the current output value, it returns that value. If not,
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it returns a temporary file with a supported file format, to be used to generate the output result.'''
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ext = self.value[self.value.rfind(".") + 1:]
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if ext in alg.provider.getSupportedOutputRasterLayerExtensions():
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return self.value
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else:
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if self.compatible is None:
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self.compatible = SextanteUtils.getTempFilename(self.getDefaultFileExtension(alg))
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return self.compatible;
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