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120 lines
5.8 KiB
Python
120 lines
5.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SagaAlgorithmProvider.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 PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from sextante.saga.SagaAlgorithm import SagaAlgorithm
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from sextante.saga.SplitRGBBands import SplitRGBBands
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from sextante.saga.SagaUtils import SagaUtils
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from sextante.core.SextanteConfig import SextanteConfig, Setting
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from sextante.core.AlgorithmProvider import AlgorithmProvider
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from sextante.core.SextanteLog import SextanteLog
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from sextante.core.SextanteUtils import SextanteUtils
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class SagaAlgorithmProvider(AlgorithmProvider):
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def __init__(self):
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AlgorithmProvider.__init__(self)
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self.activate = True
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self.createAlgsList() #preloading algorithms to speed up
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def initializeSettings(self):
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AlgorithmProvider.initializeSettings(self)
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if SextanteUtils.isWindows():
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_FOLDER, "SAGA folder", SagaUtils.sagaPath()))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_AUTO_RESAMPLING, "Use min covering grid system for resampling", True))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_LOG_COMMANDS, "Log execution commands", False))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_LOG_CONSOLE, "Log console output", False))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_XMIN, "Resampling region min x", 0))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_YMIN, "Resampling region min y", 0))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_XMAX, "Resampling region max x", 1000))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_YMAX, "Resampling region max y", 1000))
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SextanteConfig.addSetting(Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_CELLSIZE, "Resampling region cellsize", 1))
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def unload(self):
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AlgorithmProvider.unload(self)
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if SextanteUtils.isWindows():
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SextanteConfig.removeSetting(SagaUtils.SAGA_FOLDER)
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SextanteConfig.removeSetting(SagaUtils.SAGA_AUTO_RESAMPLING)
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SextanteConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_XMIN)
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SextanteConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_YMIN)
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SextanteConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_XMAX)
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SextanteConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_YMAX)
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SextanteConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_CELLSIZE)
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SextanteConfig.removeSetting(SagaUtils.SAGA_LOG_CONSOLE)
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SextanteConfig.removeSetting(SagaUtils.SAGA_LOG_COMMANDS)
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def createAlgsList(self):
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self.preloadedAlgs = []
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folder = SagaUtils.sagaDescriptionPath()
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for descriptionFile in os.listdir(folder):
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if descriptionFile.endswith("txt"):
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try:
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alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
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if alg.name.strip() != "":
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self.preloadedAlgs.append(alg)
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else:
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SextanteLog.addToLog(SextanteLog.LOG_ERROR, "Could not open SAGA algorithm: " + descriptionFile)
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except Exception,e:
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SextanteLog.addToLog(SextanteLog.LOG_ERROR, "Could not open SAGA algorithm: " + descriptionFile +"\n" + str(e))
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self.preloadedAlgs.append(SplitRGBBands())
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def _loadAlgorithms(self):
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self.algs = self.preloadedAlgs
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def getDescription(self):
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return "SAGA"
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def getName(self):
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return "saga"
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def getPostProcessingErrorMessage(self, wrongLayers):
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html = AlgorithmProvider.getPostProcessingErrorMessage(self, wrongLayers)
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msg = SagaUtils.checkSagaIsInstalled(True)
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html += ("<p>This algorithm requires SAGA to be run. A test to check if SAGA is correctly installed "
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"and configured in your system has been performed, with the following result:</p><ul><i>")
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if msg is None:
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html += "SAGA seems to be correctly installed and configured</li></ul>"
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else:
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html += msg + "</i></li></ul>"
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html += '<p><a href= "http://docs.qgis.org/2.0/html/en/docs/user_manual/sextante/3rdParty.html">Click here</a> to know more about how to install and configure SAGA to be used with SEXTANTE</p>'
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return html
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def getSupportedOutputVectorLayerExtensions(self):
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return ["shp"]
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def getSupportedOutputRasterLayerExtensions(self):
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return ["tif"]
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def getSupportedOutputTableLayerExtensions(self):
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return ["dbf"]
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def getIcon(self):
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return QIcon(os.path.dirname(__file__) + "/../images/saga.png")
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