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118 lines
5.3 KiB
Python
118 lines
5.3 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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dropanalysis.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.QtGui import *
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from sextante.core.GeoAlgorithm import GeoAlgorithm
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from sextante.core.SextanteLog import SextanteLog
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from sextante.core.SextanteUtils import SextanteUtils
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from sextante.core.SextanteConfig import SextanteConfig
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from sextante.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
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from sextante.parameters.ParameterRaster import ParameterRaster
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from sextante.parameters.ParameterVector import ParameterVector
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from sextante.parameters.ParameterNumber import ParameterNumber
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from sextante.parameters.ParameterSelection import ParameterSelection
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from sextante.outputs.OutputFile import OutputFile
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from sextante.taudem.TauDEMUtils import TauDEMUtils
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class DropAnalysis(GeoAlgorithm):
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PIT_FILLED_GRID = "PIT_FILLED_GRID"
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D8_CONTRIB_AREA_GRID = "D8_CONTRIB_AREA_GRID"
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D8_FLOW_DIR_GRID = "D8_FLOW_DIR_GRID"
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ACCUM_STREAM_SOURCE_GRID = "ACCUM_STREAM_SOURCE_GRID"
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OUTLETS_SHAPE = "OUTLETS_SHAPE"
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MIN_TRESHOLD = "MIN_TRESHOLD"
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MAX_THRESHOLD = "MAX_THRESHOLD"
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TRESHOLD_NUM = "TRESHOLD_NUM"
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STEP_TYPE = "STEP_TYPE"
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DROP_ANALYSIS_FILE = "DROP_ANALYSIS_FILE"
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STEPS = ["Logarithmic", "Linear"]
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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 defineCharacteristics(self):
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self.name = "Stream Drop Analysis"
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self.cmdName = "dropanalysis"
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self.group = "Stream Network Analysis tools"
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self.addParameter(ParameterRaster(self.D8_CONTRIB_AREA_GRID, "D8 Contributing Area Grid", False))
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self.addParameter(ParameterRaster(self.D8_FLOW_DIR_GRID, "D8 Flow Direction Grid", False))
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self.addParameter(ParameterRaster(self.PIT_FILLED_GRID, "Pit Filled Elevation Grid", False))
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self.addParameter(ParameterRaster(self.ACCUM_STREAM_SOURCE_GRID, "Contributing Area Grid", False))
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self.addParameter(ParameterVector(self.OUTLETS_SHAPE, "Outlets Shapefile", ParameterVector.VECTOR_TYPE_POINT, False))
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self.addParameter(ParameterNumber(self.MIN_TRESHOLD, "Minimum Threshold", 0, None, 5))
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self.addParameter(ParameterNumber(self.MAX_THRESHOLD, "Maximum Threshold", 0, None, 500))
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self.addParameter(ParameterNumber(self.TRESHOLD_NUM, "Number of Threshold Values", 0, None, 10))
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self.addParameter(ParameterSelection(self.STEP_TYPE, "Spacing for Threshold Values", self.STEPS, 0))
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self.addOutput(OutputFile(self.DROP_ANALYSIS_FILE, "D-Infinity Drop to Stream Grid"))
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def processAlgorithm(self, progress):
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commands.append(os.path.join(TauDEMUtils.mpiexecPath(), "mpiexec"))
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processNum = SextanteConfig.getSetting(TauDEMUtils.MPI_PROCESSES)
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if processNum <= 0:
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raise GeoAlgorithmExecutionException("Wrong number of MPI processes used.\nPlease set 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.taudemPath(), self.cmdName))
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commands.append("-ad8")
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commands.append(self.getParameterValue(self.D8_CONTRIB_AREA_GRID))
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commands.append("-p")
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commands.append(self.getParameterValue(self.D8_FLOW_DIR_GRID))
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commands.append("-fel")
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commands.append(self.getParameterValue(self.PIT_FILLED_GRID))
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commands.append("-ssa")
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commands.append(self.getParameterValue(self.ACCUM_STREAM_SOURCE_GRID))
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commands.append("-o")
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commands.append(self.getParameterValue(self.OUTLETS_SHAPE))
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commands.append("-par")
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commands.append(str(self.getParameterValue(self.MIN_TRESHOLD)))
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commands.append(str(self.getParameterValue(self.MAX_THRESHOLD)))
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commands.append(str(self.getParameterValue(self.TRESHOLD_NUM)))
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commands.append(str(self.getParameterValue(self.STEPS)))
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commands.append("-drp")
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commands.append(self.getOutputValue(self.DROP_ANALYSIS_FILE))
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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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SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
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TauDEMUtils.executeTauDEM(commands, progress)
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def helpFile(self):
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return os.path.join(os.path.dirname(__file__), "help", self.cmdName + ".html")
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