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- add new TauDEM 5.1.2/5.2 tools: Gage watershed, TWI and Select GT Threshold - implement support for multifile TauDEM version - allow to use single- and multifile versions simultaneously Work done for Faunalia (http://faunalia.eu)
123 lines
4.8 KiB
Python
123 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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TauDEMMultifileAlgorithm.py
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---------------------
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Date : March 2015
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Copyright : (C) 2012 by Alexander Bruy
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Email : alexander dot bruy 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__ = 'Alexander Bruy'
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__date__ = 'March 2015'
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__copyright__ = '(C) 2015, Alexander Bruy'
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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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import os
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from PyQt4.QtGui import QIcon
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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.core.ProcessingLog import ProcessingLog
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from processing.core.ProcessingConfig import ProcessingConfig
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from processing.core.GeoAlgorithmExecutionException import \
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GeoAlgorithmExecutionException
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from processing.core.parameters import ParameterFile
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from processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterBoolean
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from processing.core.parameters import ParameterString
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from processing.core.parameters import ParameterNumber
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from processing.core.parameters import getParameterFromString
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from processing.core.outputs import getOutputFromString
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from TauDEMUtils import TauDEMUtils
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class TauDEMMultifileAlgorithm(GeoAlgorithm):
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def __init__(self, descriptionfile):
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GeoAlgorithm.__init__(self)
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self.descriptionFile = descriptionfile
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self.defineCharacteristicsFromFile()
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def getCopy(self):
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newone = TauDEMMultifileAlgorithm(self.descriptionFile)
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newone.provider = self.provider
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return newone
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def getIcon(self):
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return QIcon(os.path.dirname(__file__) + '/../../images/taudem.png')
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def defineCharacteristicsFromFile(self):
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lines = open(self.descriptionFile)
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line = lines.readline().strip('\n').strip()
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self.name = line
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line = lines.readline().strip('\n').strip()
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self.cmdName = line
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line = lines.readline().strip('\n').strip()
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self.group = line
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line = lines.readline().strip('\n').strip()
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while line != '':
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try:
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line = line.strip('\n').strip()
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if line.startswith('Parameter'):
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param = getParameterFromString(line)
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self.addParameter(param)
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else:
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self.addOutput(getOutputFromString(line))
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line = lines.readline().strip('\n').strip()
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except Exception, e:
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
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self.tr('Could not load TauDEM algorithm: %s\n%s' % (self.descriptionFile, line)))
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raise e
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lines.close()
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def processAlgorithm(self, progress):
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commands = []
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commands.append(os.path.join(TauDEMUtils.mpiexecPath(), 'mpiexec'))
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processNum = int(ProcessingConfig.getSetting(TauDEMUtils.MPI_PROCESSES))
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if processNum <= 0:
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raise GeoAlgorithmExecutionException(
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self.tr('Wrong number of MPI processes used. Please set '
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'correct number before running TauDEM algorithms.'))
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commands.append('-n')
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commands.append(str(processNum))
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commands.append(os.path.join(TauDEMUtils.taudemMultifilePath(), self.cmdName))
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for param in self.parameters:
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if param.value is None or param.value == '':
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continue
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if isinstance(param, ParameterNumber):
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commands.append(param.name)
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commands.append(str(param.value))
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if isinstance(param, (ParameterFile, ParameterVector)):
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commands.append(param.name)
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commands.append(param.value)
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elif isinstance(param, ParameterBoolean):
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if param.value and str(param.value).lower() == 'false':
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commands.append(param.name)
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elif isinstance(param, ParameterString):
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commands.append(param.name)
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commands.append(str(param.value))
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for out in self.outputs:
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commands.append(out.name)
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commands.append(out.value)
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TauDEMUtils.executeTauDEM(commands, progress)
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