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201 lines
8.6 KiB
Python
201 lines
8.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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OTBAlgorithm.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf 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__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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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 qgis.core import *
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from sextante.core.GeoAlgorithm import GeoAlgorithm
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from sextante.parameters.ParameterTable import ParameterTable
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from sextante.parameters.ParameterMultipleInput import ParameterMultipleInput
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from sextante.parameters.ParameterRaster import ParameterRaster
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from sextante.outputs.OutputRaster import OutputRaster
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from sextante.parameters.ParameterVector import ParameterVector
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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.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
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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.WrongHelpFileException import WrongHelpFileException
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from sextante.parameters.ParameterFactory import ParameterFactory
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from sextante.outputs.OutputFactory import OutputFactory
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from sextante.otb.OTBUtils import OTBUtils
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from sextante.parameters.ParameterExtent import ParameterExtent
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class OTBAlgorithm(GeoAlgorithm):
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REGION_OF_INTEREST = "ROI"
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def __init__(self, descriptionfile):
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GeoAlgorithm.__init__(self)
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self.roiFile = None
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self.descriptionFile = descriptionfile
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self.defineCharacteristicsFromFile()
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self.numExportedLayers = 0
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self.hasROI = None;
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def getCopy(self):
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newone = OTBAlgorithm(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/otb.png")
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def helpFile(self):
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folder = os.path.join( OTBUtils.otbDescriptionPath(), 'doc' )
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helpfile = os.path.join( str(folder), self.appkey + ".html")
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if os.path.exists(helpfile):
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return helpfile
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else:
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raise WrongHelpFileException("Could not find help file for this algorithm. \nIf you have it put it in: \n"+str(folder))
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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.appkey = line
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line = lines.readline().strip("\n").strip()
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self.cliName = line
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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.group = line
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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 = ParameterFactory.getFromString(line)
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# Hack for initializing the elevation parameters from Sextante configuration
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if param.name == "-elev.dem.path":
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param.default = OTBUtils.otbSRTMPath()
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if param.name == "-elev.dem.geoid":
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param.default = OTBUtils.otbGeoidPath()
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self.addParameter(param)
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elif line.startswith("*Parameter"):
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param = ParameterFactory.getFromString(line[1:])
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param.isAdvanced = True
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self.addParameter(param)
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elif line.startswith("Extent"):
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self.addParameter(ParameterExtent(self.REGION_OF_INTEREST, "Region of interest", "0,1,0,1"))
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self.hasROI = True
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else:
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self.addOutput(OutputFactory.getFromString(line))
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line = lines.readline().strip("\n").strip()
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except Exception,e:
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SextanteLog.addToLog(SextanteLog.LOG_ERROR, "Could not open OTB algorithm: " + 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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path = OTBUtils.otbPath()
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libpath = OTBUtils.otbLibPath()
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if path == "" or libpath == "":
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raise GeoAlgorithmExecutionException("OTB folder is not configured.\nPlease configure it before running OTB algorithms.")
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commands = []
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commands.append(path + os.sep + self.cliName)
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self.roiVectors = {}
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self.roiRasters = {}
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for param in self.parameters:
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if param.value == None or param.value == "":
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continue
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if isinstance(param, ParameterVector):
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commands.append(param.name)
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if self.hasROI:
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roiFile = SextanteUtils.getTempFilename('shp')
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commands.append(roiFile)
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self.roiVectors[param.value] = roiFile
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else:
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commands.append(param.value)
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elif isinstance(param, ParameterRaster):
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commands.append(param.name)
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if self.hasROI:
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roiFile = SextanteUtils.getTempFilename('tif')
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commands.append(roiFile)
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self.roiRasters[param.value] = roiFile
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else:
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commands.append(param.value)
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elif isinstance(param, ParameterMultipleInput):
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commands.append(param.name)
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commands.append(str(param.value.replace(";"," ")))
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elif isinstance(param, ParameterSelection):
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commands.append(param.name)
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idx = int(param.value)
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commands.append(str(param.options[idx]))
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elif isinstance(param, ParameterBoolean):
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if param.value:
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commands.append(param.name)
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commands.append(str(param.value).lower())
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elif isinstance(param, ParameterExtent):
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self.roiValues = param.value.split(",")
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else:
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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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for roiInput, roiFile in self.roiRasters.items():
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startX, startY = float(self.roiValues[0]), float(self.roiValues[1])
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sizeX = float(self.roiValues[2]) - startX
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sizeY = float(self.roiValues[3]) - startY
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helperCommands = [
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"otbcli_ExtractROI",
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"-in", roiInput,
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"-out", roiFile,
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"-startx", str(startX),
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"-starty", str(startY),
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"-sizex", str(sizeX),
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"-sizey", str(sizeY)]
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SextanteLog.addToLog(SextanteLog.LOG_INFO, helperCommands)
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progress.setCommand(helperCommands)
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OTBUtils.executeOtb(helperCommands, progress)
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if self.roiRasters:
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supportRaster = self.roiRasters.itervalues().next()
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for roiInput, roiFile in self.roiVectors.items():
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helperCommands = [
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"otbcli_VectorDataExtractROIApplication",
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"-vd.in", roiInput,
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"-io.in", supportRaster,
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"-io.out", roiFile,
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"-elev.dem.path", OTBUtils.otbSRTMPath()]
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SextanteLog.addToLog(SextanteLog.LOG_INFO, helperCommands)
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progress.setCommand(helperCommands)
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OTBUtils.executeOtb(helperCommands, progress)
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loglines = []
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loglines.append("OTB execution command")
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for line in commands:
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loglines.append(line)
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progress.setCommand(line)
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SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
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OTBUtils.executeOtb(commands, progress)
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