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c4c3fecf17
-New OTB descriptions an help -Update OTB descriptions -More responsive MultipleInputPanel.py -Minor bug fixes
75 lines
3.1 KiB
Python
75 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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warp.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 PyQt4 import QtGui
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from sextante.core.GeoAlgorithm import GeoAlgorithm
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from sextante.parameters.ParameterRaster import ParameterRaster
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from sextante.outputs.OutputRaster import OutputRaster
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import os
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from qgis.core import *
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from sextante.parameters.ParameterSelection import ParameterSelection
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from sextante.parameters.ParameterCrs import ParameterCrs
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from sextante.gdal.GdalUtils import GdalUtils
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class warp(GeoAlgorithm):
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INPUT = "INPUT"
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OUTPUT = "OUTPUT"
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SOURCE_SRS = "SOURCE_SRS"
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DEST_SRS = "DEST_SRS "
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METHOD = "METHOD"
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METHOD_OPTIONS = ["near", "bilinear", "cubic", "cubicspline", "lanczos"]
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def getIcon(self):
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filepath = os.path.dirname(__file__) + "/icons/warp.png"
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return QtGui.QIcon(filepath)
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def defineCharacteristics(self):
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self.name = "warp"
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self.group = "Projections"
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self.addParameter(ParameterRaster(warp.INPUT, "Input layer", False))
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self.addParameter(ParameterCrs(warp.SOURCE_SRS, "Source SRS (EPSG Code)", "4326"))
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self.addParameter(ParameterCrs(warp.DEST_SRS, "Destination SRS (EPSG Code)", "4326"))
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self.addParameter(ParameterSelection(warp.METHOD, "Resampling method", warp.METHOD_OPTIONS))
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self.addOutput(OutputRaster(warp.OUTPUT, "Output layer"))
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def processAlgorithm(self, progress):
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srs = self.getParameterValue(warp.DEST_SRS)
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self.crs = QgsCoordinateReferenceSystem(int(srs))
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commands = ["gdalwarp"]
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commands.append("-s_srs")
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commands.append("EPSG:" + str(self.getParameterValue(warp.SOURCE_SRS)))
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commands.append("-t_srs")
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commands.append("EPSG:" + str(srs))
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commands.append("-r")
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commands.append(warp.METHOD_OPTIONS[self.getParameterValue(warp.METHOD)])
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commands.append("-of")
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out = self.getOutputValue(warp.OUTPUT)
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commands.append(GdalUtils.getFormatShortNameFromFilename(out))
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commands.append(self.getParameterValue(warp.INPUT))
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commands.append(out)
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GdalUtils.runGdal(commands, progress)
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