2012-09-15 18:25:25 +03:00
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import os
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from sextante.parameters.ParameterFile import ParameterFile
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from sextante.lidar.fusion.FusionUtils import FusionUtils
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from PyQt4 import QtGui
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import subprocess
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from sextante.parameters.ParameterExtent import ParameterExtent
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from sextante.outputs.OutputFile import OutputFile
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from sextante.parameters.ParameterSelection import ParameterSelection
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from sextante.lidar.fusion.FusionAlgorithm import FusionAlgorithm
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class ClipData(FusionAlgorithm):
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INPUT = "INPUT"
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OUTPUT = "OUTPUT"
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EXTENT = "EXTENT"
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SHAPE = "SHAPE"
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def defineCharacteristics(self):
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self.name = "Clip Data"
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self.group = "Points"
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self.addParameter(ParameterFile(self.INPUT, "Input las layer"))
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self.addParameter(ParameterExtent(self.EXTENT, "Extent"))
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self.addParameter(ParameterSelection(self.SHAPE, "Shape", ["Rectangle","Circle"]))
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self.addOutput(OutputFile(self.OUTPUT, "Output clipped las file"))
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self.addAdvancedModifiers()
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def processAlgorithm(self, progress):
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commands = [os.path.join(FusionUtils.FusionPath(), "FilterData.exe")]
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commands.append("/verbose")
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self.addAdvancedModifiersToCommand(commands)
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commands.append("/shape:" + str(self.getParameterValue(self.SHAPE)))
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files = self.getParameterValue(self.INPUT).split(";")
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if len(files) == 1:
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commands.append(self.getParameterValue(self.INPUT))
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else:
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FusionUtils.createFileList(files)
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commands.append(FusionUtils.tempFileListFilepath())
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outFile = self.getOutputValue(self.OUTPUT) + ".lda"
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commands.append(outFile)
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extent = str(self.getParameterValue(self.EXTENT)).split(",")
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commands.append(extent[0])
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commands.append(extent[2])
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commands.append(extent[1])
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commands.append(extent[3])
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FusionUtils.runFusion(commands, progress)
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commands = [os.path.join(FusionUtils.FusionPath(), "LDA2LAS.exe")]
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commands.append(outFile)
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commands.append(self.getOutputValue(self.OUTPUT))
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p = subprocess.Popen(commands, shell=True)
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p.wait()
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