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124 lines
5.2 KiB
Python
124 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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dinfdistdown.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.ParameterBoolean import ParameterBoolean
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from sextante.parameters.ParameterSelection import ParameterSelection
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from sextante.outputs.OutputRaster import OutputRaster
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from sextante.taudem.TauDEMUtils import TauDEMUtils
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class DinfDistDown(GeoAlgorithm):
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DINF_FLOW_DIR_GRID = "DINF_FLOW_DIR_GRID"
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PIT_FILLED_GRID = "PIT_FILLED_GRID"
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STREAM_GRID = "STREAM_GRID"
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WEIGHT_PATH_GRID = "WEIGHT_PATH_GRID"
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STAT_METHOD = "STAT_METHOD"
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DIST_METHOD = "DIST_METHOD"
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EDGE_CONTAM = "EDGE_CONTAM"
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DIST_DOWN_GRID = "DIST_DOWN_GRID"
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STATISTICS = ["Minimum", "Maximum", "Average"]
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STAT_DICT = {0:"min",
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1:"max",
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2:"ave"}
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DISTANCE = ["Pythagoras", "Horizontal", "Vertical", "Surface"]
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DIST_DICT = {0:"p",
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1:"h",
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2:"v",
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3:"s"}
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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 = "D-Infinity Distance Down"
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self.cmdName = "dinfdistdown"
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self.group = "Specialized Grid Analysis tools"
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self.addParameter(ParameterRaster(self.DINF_FLOW_DIR_GRID, "D-Infinity 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.STREAM_GRID, "Stream Raster Grid", False))
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self.addParameter(ParameterRaster(self.WEIGHT_PATH_GRID, "Weight Path Grid", True))
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self.addParameter(ParameterSelection(self.STAT_METHOD, "Statistical Method", self.STATISTICS, 2))
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self.addParameter(ParameterSelection(self.DIST_METHOD, "Distance Method", self.DISTANCE, 1))
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self.addParameter(ParameterBoolean(self.EDGE_CONTAM, "Check for edge contamination", True))
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self.addOutput(OutputRaster(self.DIST_DOWN_GRID, "D-Infinity Drop to Stream Grid"))
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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 = 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("-ang")
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commands.append(self.getParameterValue(self.DINF_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("-src")
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commands.append(self.getParameterValue(self.STREAM_GRID))
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wg = self.getParameterValue(self.WEIGHT_PATH_GRID)
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if wg is not None:
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commands.append("-wg")
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commands.append(self.getParameterValue(self.WEIGHT_PATH_GRID))
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commands.append("-m")
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commands.append(str(self.STAT_DICT[self.getParameterValue(self.STAT_METHOD)]))
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commands.append(str(self.DIST_DICT[self.getParameterValue(self.DIST_METHOD)]))
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if str(self.getParameterValue(self.EDGE_CONTAM)).lower() == "false":
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commands.append("-nc")
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commands.append("-dd")
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commands.append(self.getOutputValue(self.DIST_DOWN_GRID))
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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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