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44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
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 sextante.gdal.GdalUtils import GdalUtils
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from sextante.parameters.ParameterSelection import ParameterSelection
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from sextante.core.SextanteUtils import SextanteUtils
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class pct2rgb(GeoAlgorithm):
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INPUT = "INPUT"
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OUTPUT = "OUTPUT"
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NBAND = "NBAND"
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def getIcon(self):
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filepath = os.path.dirname(__file__) + "/icons/8-to-24-bits.png"
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return QtGui.QIcon(filepath)
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def defineCharacteristics(self):
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self.name = "pct2rgb"
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self.group = "Conversion"
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self.addParameter(ParameterRaster(pct2rgb.INPUT, "Input layer", False))
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options = []
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for i in range(25):
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options.append(str(i + 1))
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self.addParameter(ParameterSelection(pct2rgb.NBAND, "Band to convert", options))
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self.addOutput(OutputRaster(pct2rgb.OUTPUT, "Output layer"))
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def processAlgorithm(self, progress):
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if SextanteUtils.isWindows():
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commands = ["cmd.exe", "/C ", "pct2rgb.bat"]
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else:
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commands = ["pct2rgb.py"]
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commands.append("-b")
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commands.append(str(self.getParameterValue(pct2rgb.NBAND) + 1))
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commands.append("-of")
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out = self.getOutputValue(pct2rgb.OUTPUT)
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commands.append(GdalUtils.getFormatShortNameFromFilename(out))
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commands.append(self.getParameterValue(pct2rgb.INPUT))
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commands.append(out)
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GdalUtils.runGdal(commands, progress)
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