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# -*- coding: utf-8 -*-
"""
***************************************************************************
dropanalysis.py
---------------------
Date : October 2012
Copyright : (C) 2012 by Alexander Bruy
Email : alexander dot bruy at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Alexander Bruy'
__date__ = 'October 2012'
__copyright__ = '(C) 2012, Alexander Bruy'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from PyQt4.QtGui import *
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.core.ProcessingLog import ProcessingLog
from processing.core.ProcessingConfig import ProcessingConfig
from processing.core.GeoAlgorithmExecutionException import \
GeoAlgorithmExecutionException
from processing.parameters.ParameterRaster import ParameterRaster
from processing.parameters.ParameterVector import ParameterVector
from processing.parameters.ParameterNumber import ParameterNumber
from processing.parameters.ParameterSelection import ParameterSelection
from processing.outputs.OutputFile import OutputFile
from processing.tools.system import *
from TauDEMUtils import TauDEMUtils
class DropAnalysis(GeoAlgorithm):
PIT_FILLED_GRID = 'PIT_FILLED_GRID'
D8_CONTRIB_AREA_GRID = 'D8_CONTRIB_AREA_GRID'
D8_FLOW_DIR_GRID = 'D8_FLOW_DIR_GRID'
ACCUM_STREAM_SOURCE_GRID = 'ACCUM_STREAM_SOURCE_GRID'
OUTLETS_SHAPE = 'OUTLETS_SHAPE'
MIN_TRESHOLD = 'MIN_TRESHOLD'
MAX_THRESHOLD = 'MAX_THRESHOLD'
TRESHOLD_NUM = 'TRESHOLD_NUM'
STEP_TYPE = 'STEP_TYPE'
DROP_ANALYSIS_FILE = 'DROP_ANALYSIS_FILE'
STEPS = ['Logarithmic', 'Linear']
def getIcon(self):
return QIcon(os.path.dirname(__file__) + '/../images/taudem.png')
def defineCharacteristics(self):
self.name = 'Stream Drop Analysis'
self.cmdName = 'dropanalysis'
self.group = 'Stream Network Analysis tools'
self.addParameter(ParameterRaster(self.D8_CONTRIB_AREA_GRID,
'D8 Contributing Area Grid', False))
self.addParameter(ParameterRaster(self.D8_FLOW_DIR_GRID,
'D8 Flow Direction Grid', False))
self.addParameter(ParameterRaster(self.PIT_FILLED_GRID,
'Pit Filled Elevation Grid', False))
self.addParameter(ParameterRaster(self.ACCUM_STREAM_SOURCE_GRID,
'Contributing Area Grid', False))
self.addParameter(ParameterVector(self.OUTLETS_SHAPE,
'Outlets Shapefile',
[ParameterVector.VECTOR_TYPE_POINT], False))
self.addParameter(ParameterNumber(self.MIN_TRESHOLD,
'Minimum Threshold', 0, None, 5))
self.addParameter(ParameterNumber(self.MAX_THRESHOLD,
'Maximum Threshold', 0, None, 500))
self.addParameter(ParameterNumber(self.TRESHOLD_NUM,
'Number of Threshold Values', 0, None, 10))
self.addParameter(ParameterSelection(self.STEP_TYPE,
'Spacing for Threshold Values', self.STEPS, 0))
self.addOutput(OutputFile(self.DROP_ANALYSIS_FILE,
'D-Infinity Drop to Stream Grid'))
def processAlgorithm(self, progress):
commands.append(os.path.join(TauDEMUtils.mpiexecPath(), 'mpiexec'))
processNum = ProcessingConfig.getSetting(TauDEMUtils.MPI_PROCESSES)
if processNum <= 0:
raise GeoAlgorithmExecutionException('Wrong number of MPI \
processes used.\nPlease set correct number before running \
TauDEM algorithms.')
commands.append('-n')
commands.append(str(processNum))
commands.append(os.path.join(TauDEMUtils.taudemPath(), self.cmdName))
commands.append('-ad8')
commands.append(self.getParameterValue(self.D8_CONTRIB_AREA_GRID))
commands.append('-p')
commands.append(self.getParameterValue(self.D8_FLOW_DIR_GRID))
commands.append('-fel')
commands.append(self.getParameterValue(self.PIT_FILLED_GRID))
commands.append('-ssa')
commands.append(self.getParameterValue(self.ACCUM_STREAM_SOURCE_GRID))
commands.append('-o')
commands.append(self.getParameterValue(self.OUTLETS_SHAPE))
commands.append('-par')
commands.append(str(self.getParameterValue(self.MIN_TRESHOLD)))
commands.append(str(self.getParameterValue(self.MAX_THRESHOLD)))
commands.append(str(self.getParameterValue(self.TRESHOLD_NUM)))
commands.append(str(self.getParameterValue(self.STEPS)))
commands.append('-drp')
commands.append(self.getOutputValue(self.DROP_ANALYSIS_FILE))
loglines = []
loglines.append('TauDEM execution command')
for line in commands:
loglines.append(line)
ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines)
TauDEMUtils.executeTauDEM(commands, progress)
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