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130 lines
5.1 KiB
Python
130 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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TauDEMAlgorithm.py
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---------------------
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Date : October 2012
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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__ = 'October 2012'
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__copyright__ = '(C) 2012, 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.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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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 getParameterFromString
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from processing.core.parameters import ParameterRaster
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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.outputs import getOutputFromString
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from processing.tools.system import *
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from TauDEMUtils import TauDEMUtils
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class TauDEMAlgorithm(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 = TauDEMAlgorithm(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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'Could not load TauDEM algorithm: '
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+ self.descriptionFile + '\n' + 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('Wrong number of MPI \
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processes used.\nPlease set correct number before running \
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TauDEM algorithms.'
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)
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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.taudemPath(), 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, (ParameterRaster, 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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loglines = []
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loglines.append('TauDEM execution command')
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for line in commands:
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loglines.append(line)
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ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines)
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TauDEMUtils.executeTauDEM(commands, progress)
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