コード例 #1
0
    def processAlgorithm(self, progress):
        # TODO: check correct num of bands
        input = self.getParameterValue(SplitRGBBands.INPUT)
        temp = getTempFilename(None).replace('.', '')
        basename = os.path.basename(temp)
        validChars = \
            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
        safeBasename = ''.join(c for c in basename if c in validChars)
        temp = os.path.join(os.path.dirname(temp), safeBasename)

        r = self.getOutputValue(SplitRGBBands.R)
        g = self.getOutputValue(SplitRGBBands.G)
        b = self.getOutputValue(SplitRGBBands.B)
        commands = []
        if isWindows():
            commands.append('io_gdal 0 -GRIDS "' + temp + '" -FILES "' +
                            input + '"')
            commands.append('io_gdal 1 -GRIDS "' + temp +
                            '_0001.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + r + '"')
            commands.append('io_gdal 1 -GRIDS "' + temp +
                            '_0002.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + g + '"')
            commands.append('io_gdal 1 -GRIDS "' + temp +
                            '_0003.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + b + '"')
        else:
            commands.append('libio_gdal 0 -GRIDS "' + temp + '" -FILES "' +
                            input + '"')
            commands.append('libio_gdal 1 -GRIDS "' + temp +
                            '_0001.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + r + '"')
            commands.append('libio_gdal 1 -GRIDS "' + temp +
                            '_0002.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + g + '"')
            commands.append('libio_gdal 1 -GRIDS "' + temp +
                            '_0003.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + b + '"')

        SagaUtils.createSagaBatchJobFileFromSagaCommands(commands)
        SagaUtils.executeSaga(progress)
コード例 #2
0
 def _loadAlgorithms(self):
     self.algs = []
     folder = SagaUtils.sagaDescriptionPath()
     for descriptionFile in os.listdir(folder):
         if descriptionFile.endswith('txt'):
             if not SagaUtils.isSaga208():
                 if descriptionFile.startswith('2.0.8'):
                     continue
             else:
                 if descriptionFile.startswith('2.1'):
                     continue
             try:
                 alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
                 if alg.name.strip() != '':
                     self.algs.append(alg)
                 else:
                     ProcessingLog.addToLog(
                         ProcessingLog.LOG_ERROR,
                         'Could not open SAGA algorithm: ' +
                         descriptionFile)
             except Exception, e:
                 ProcessingLog.addToLog(
                     ProcessingLog.LOG_ERROR,
                     'Could not open SAGA algorithm: ' + descriptionFile +
                     '\n' + str(e))
コード例 #3
0
 def exportRasterLayer(self, source):
     global sessionExportedLayers
     if source in sessionExportedLayers:
         self.exportedLayers[source] = sessionExportedLayers[source]
         return None
     layer = dataobjects.getObjectFromUri(source, False)
     if layer:
         filename = str(layer.name())
     else:
         filename = os.path.basename(source)
     validChars = \
         'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:'
     filename = ''.join(c for c in filename if c in validChars)
     if len(filename) == 0:
         filename = 'layer'
     destFilename = getTempFilenameInTempFolder(filename + '.sgrd')
     self.exportedLayers[source] = destFilename
     sessionExportedLayers[source] = destFilename
     saga208 = SagaUtils.isSaga208()
     if saga208:
         if isWindows() or isMac():
             return 'io_gdal 0 -GRIDS "' + destFilename + '" -FILES "' + source \
  + '"'
         else:
             return 'libio_gdal 0 -GRIDS "' + destFilename + '" -FILES "' \
  + source + '"'
     else:
         return 'io_gdal 0 -TRANSFORM -INTERPOL 0 -GRIDS "' + destFilename + '" -FILES "' + source \
             + '"'
コード例 #4
0
ファイル: SagaAlgorithm.py プロジェクト: Aladar64/QGIS
    def exportRasterLayer(self, source):
        global sessionExportedLayers
        if source in sessionExportedLayers:
            self.exportedLayers[source] = sessionExportedLayers[source]
            return None
        layer = dataobjects.getObjectFromUri(source, False)
        if layer:
            filename = str(layer.name())
        else:
            filename = os.path.basename(source)
        validChars = \
            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:'
        filename = ''.join(c for c in filename if c in validChars)
        if len(filename) == 0:
            filename = 'layer'
        destFilename = getTempFilenameInTempFolder(filename + '.sgrd')
        self.exportedLayers[source] = destFilename
        sessionExportedLayers[source] = destFilename
        saga208 = SagaUtils.isSaga208()
        if saga208:
            if isWindows() or isMac():
                return 'io_gdal 0 -GRIDS "' + destFilename + '" -FILES "' + source \
					+ '"'
            else:
                return 'libio_gdal 0 -GRIDS "' + destFilename + '" -FILES "' \
					+ source + '"'
        else:
            return 'io_gdal 0 -TRANSFORM -INTERPOL 0 -GRIDS "' + destFilename + '" -FILES "' + source \
                + '"'
コード例 #5
0
ファイル: SagaAlgorithm.py プロジェクト: KISRDevelopment/QGIS
 def checkBeforeOpeningParametersDialog(self):
     msg = SagaUtils.checkSagaIsInstalled()
     if msg is not None:
         html = '<p>This algorithm requires SAGA to be run.Unfortunately, \
                it seems that SAGA is not installed in your system, or it \
                is not correctly configured to be used from QGIS</p>'
         html += '<p><a href= "http://docs.qgis.org/2.0/en/docs/user_manual/processing/3rdParty.html">Click here</a> to know more about how to install and configure SAGA to be used with QGIS</p>'
         return html
コード例 #6
0
ファイル: SagaAlgorithm.py プロジェクト: GRSEB9S/linconfig
    def checkBeforeOpeningParametersDialog(self):
        msg = SagaUtils.checkSagaIsInstalled()
        if msg is not None:
            html = '<p>This algorithm requires SAGA to be run.Unfortunately, \
                   it seems that SAGA is not installed in your system, or it \
                   is not correctly configured to be used from QGIS</p>'

            html += '<p><a href= "http://docs.qgis.org/2.0/en/docs/user_manual/processing/3rdParty.html">Click here</a> to know more about how to install and configure SAGA to be used with QGIS</p>'
            return html
コード例 #7
0
ファイル: SplitRGBBands.py プロジェクト: ACorradini/QGIS
    def processAlgorithm(self, progress):
        # TODO: check correct num of bands
        input = self.getParameterValue(SplitRGBBands.INPUT)
        temp = getTempFilename(None).replace('.', '')
        basename = os.path.basename(temp)
        validChars = \
            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
        safeBasename = ''.join(c for c in basename if c in validChars)
        temp = os.path.join(os.path.dirname(temp), safeBasename)

        r = self.getOutputValue(SplitRGBBands.R)
        g = self.getOutputValue(SplitRGBBands.G)
        b = self.getOutputValue(SplitRGBBands.B)
        commands = []
        if isWindows():
            commands.append('io_gdal 0 -GRIDS "' + temp + '" -FILES "' + input
                            + '"')
            commands.append('io_gdal 1 -GRIDS "' + temp
                            + '_0001.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + r + '"'
                            )
            commands.append('io_gdal 1 -GRIDS "' + temp
                            + '_0002.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + g + '"'
                            )
            commands.append('io_gdal 1 -GRIDS "' + temp
                            + '_0003.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + b + '"'
                            )
        else:
            commands.append('libio_gdal 0 -GRIDS "' + temp + '" -FILES "'
                            + input + '"')
            commands.append('libio_gdal 1 -GRIDS "' + temp
                            + '_0001.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + r + '"'
                            )
            commands.append('libio_gdal 1 -GRIDS "' + temp
                            + '_0002.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + g + '"'
                            )
            commands.append('libio_gdal 1 -GRIDS "' + temp
                            + '_0003.sgrd" -FORMAT 1 -TYPE 0 -FILE "' + b + '"'
                            )

        SagaUtils.createSagaBatchJobFileFromSagaCommands(commands)
        SagaUtils.executeSaga(progress)
コード例 #8
0
ファイル: SagaAlgorithm.py プロジェクト: Aladar64/QGIS
    def getPostProcessingErrorMessage(self, wrongLayers):
        html = GeoAlgorithm.getPostProcessingErrorMessage(self, wrongLayers)
        msg = SagaUtils.checkSagaIsInstalled(True)
        html += '<p>This algorithm requires SAGA to be run. A test to check \
                 if SAGA is correctly installed and configured in your system \
                 has been performed, with the following result:</p><ul><i>'
        if msg is None:
            html += 'SAGA seems to be correctly installed and \
                     configured</li></ul>'
        else:
            html += msg + '</i></li></ul>'
            html += '<p><a href= "http://docs.qgis.org/2.0/en/docs/user_manual/processing/3rdParty.html">Click here</a> to know more about how to install and configure SAGA to be used with QGIS</p>'

        return html
コード例 #9
0
ファイル: SagaAlgorithm.py プロジェクト: whacharachai/QGIS
    def getPostProcessingErrorMessage(self, wrongLayers):
        html = GeoAlgorithm.getPostProcessingErrorMessage(self, wrongLayers)
        msg = SagaUtils.checkSagaIsInstalled(True)
        html += '<p>This algorithm requires SAGA to be run. A test to check \
                 if SAGA is correctly installed and configured in your system \
                 has been performed, with the following result:</p><ul><i>'
        if msg is None:
            html += 'SAGA seems to be correctly installed and \
                     configured</li></ul>'
        else:
            html += msg + '</i></li></ul>'
            html += '<p><a href= "http://docs.qgis.org/2.0/en/docs/user_manual/processing/3rdParty.html">Click here</a> to know more about how to install and configure SAGA to be used with QGIS</p>'

        return html
コード例 #10
0
 def _loadAlgorithms(self):
     self.algs = []
     folder = SagaUtils.sagaDescriptionPath()
     for descriptionFile in os.listdir(folder):
         if descriptionFile.endswith('txt'):
             if not SagaUtils.isSaga208():
                 if descriptionFile.startswith('2.0.8'):
                     continue
             else:
                 if descriptionFile.startswith('2.1'):
                     continue
             try:
                 alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
                 if alg.name.strip() != '':
                     self.algs.append(alg)
                 else:
                     ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                             'Could not open SAGA algorithm: '
                             + descriptionFile)
             except Exception, e:
                 ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                         'Could not open SAGA algorithm: '
                         + descriptionFile + '\n' + str(e))
コード例 #11
0
 def initializeSettings(self):
     AlgorithmProvider.initializeSettings(self)
     if isWindows():
         ProcessingConfig.addSetting(
             Setting(self.getDescription(), SagaUtils.SAGA_FOLDER, "SAGA folder", SagaUtils.sagaPath())
         )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_208, "Enable SAGA 2.0.8 compatibility", True)
     )
     ProcessingConfig.addSetting(
         Setting(
             self.getDescription(),
             SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
             "Enable SAGA Import/Export optimizations",
             False,
         )
     )
     ProcessingConfig.addSetting(
         Setting(
             self.getDescription(),
             SagaUtils.SAGA_AUTO_RESAMPLING,
             "Use min covering grid system for resampling",
             True,
         )
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_LOG_COMMANDS, "Log execution commands", True)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_LOG_CONSOLE, "Log console output", True)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_XMIN, "Resampling region min x", 0)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_YMIN, "Resampling region min y", 0)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_XMAX, "Resampling region max x", 1000)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_YMAX, "Resampling region max y", 1000)
     )
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_RESAMPLING_REGION_CELLSIZE, "Resampling region cellsize", 1)
     )
コード例 #12
0
 def initializeSettings(self):
     AlgorithmProvider.initializeSettings(self)
     if isWindows():
         ProcessingConfig.addSetting(Setting(self.getDescription(),
                 SagaUtils.SAGA_FOLDER, 'SAGA folder',
                 SagaUtils.sagaPath()))
     ProcessingConfig.addSetting(Setting(self.getDescription(),
                                 SagaUtils.SAGA_208,
                                 'Use SAGA 2.0.8 syntax', True))
     ProcessingConfig.addSetting(Setting(self.getDescription(),
                                 SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
                                 'Enable SAGA Import/Export optimizations',
                                 False))
     ProcessingConfig.addSetting(Setting(self.getDescription(),
                                 SagaUtils.SAGA_LOG_COMMANDS,
                                 'Log execution commands', True))
     ProcessingConfig.addSetting(Setting(self.getDescription(),
                                 SagaUtils.SAGA_LOG_CONSOLE,
                                 'Log console output', True))
コード例 #13
0
 def initializeSettings(self):
     AlgorithmProvider.initializeSettings(self)
     if isWindows():
         ProcessingConfig.addSetting(
             Setting(self.getDescription(), SagaUtils.SAGA_FOLDER,
                     'SAGA folder', SagaUtils.sagaPath()))
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_208,
                 'Use SAGA 2.0.8 syntax', True))
     ProcessingConfig.addSetting(
         Setting(self.getDescription(),
                 SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
                 'Enable SAGA Import/Export optimizations', False))
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_LOG_COMMANDS,
                 'Log execution commands', True))
     ProcessingConfig.addSetting(
         Setting(self.getDescription(), SagaUtils.SAGA_LOG_CONSOLE,
                 'Log console output', True))
コード例 #14
0
 def _loadAlgorithms(self):
     self.algs = []
     saga208 = ProcessingConfig.getSetting(SagaUtils.SAGA_208)
     folder = SagaUtils.sagaDescriptionPath()
     for descriptionFile in os.listdir(folder):
         if descriptionFile.endswith("txt"):
             if not saga208:
                 if descriptionFile.startswith("2.0.8"):
                     continue
             else:
                 if descriptionFile.startswith("2.1"):
                     continue
             try:
                 alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
                 if alg.name.strip() != "":
                     self.algs.append(alg)
                 else:
                     ProcessingLog.addToLog(
                         ProcessingLog.LOG_ERROR, "Could not open SAGA algorithm: " + descriptionFile
                     )
             except Exception, e:
                 ProcessingLog.addToLog(
                     ProcessingLog.LOG_ERROR, "Could not open SAGA algorithm: " + descriptionFile + "\n" + str(e)
                 )
コード例 #15
0
    def processAlgorithm(self, progress):
        if isWindows():
            path = SagaUtils.sagaPath()
            if path == '':
                raise GeoAlgorithmExecutionException(
                    'SAGA folder is not configured.\nPlease configure \
                        it before running SAGA algorithms.')
        commands = list()
        self.exportedLayers = {}

        self.preProcessInputs()

        # 1: Export rasters to sgrd and vectors to shp
        # Tables must be in dbf format. We check that.
        for param in self.parameters:
            if isinstance(param, ParameterRaster):
                if param.value is None:
                    continue
                value = param.value
                if not value.endswith('sgrd'):
                    exportCommand = self.exportRasterLayer(value)
                    if exportCommand is not None:
                        commands.append(exportCommand)
            if isinstance(param, ParameterVector):
                if param.value is None:
                    continue
                layer = dataobjects.getObjectFromUri(param.value, False)
                if layer:
                    filename = dataobjects.exportVectorLayer(layer)
                    self.exportedLayers[param.value] = filename
                elif not param.value.endswith('shp'):
                    raise GeoAlgorithmExecutionException(
                        'Unsupported file format')
            if isinstance(param, ParameterTable):
                if param.value is None:
                    continue
                table = dataobjects.getObjectFromUri(param.value, False)
                if table:
                    filename = dataobjects.exportTable(table)
                    self.exportedLayers[param.value] = filename
                elif not param.value.endswith('shp'):
                    raise GeoAlgorithmExecutionException(
                        'Unsupported file format')
            if isinstance(param, ParameterMultipleInput):
                if param.value is None:
                    continue
                layers = param.value.split(';')
                if layers is None or len(layers) == 0:
                    continue
                if param.datatype == ParameterMultipleInput.TYPE_RASTER:
                    for layerfile in layers:
                        if not layerfile.endswith('sgrd'):
                            exportCommand = self.exportRasterLayer(layerfile)
                            if exportCommand is not None:
                                commands.append(exportCommand)
                elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                    for layerfile in layers:
                        layer = dataobjects.getObjectFromUri(layerfile, False)
                        if layer:
                            filename = dataobjects.exportVectorLayer(layer)
                            self.exportedLayers[layerfile] = filename
                        elif not layerfile.endswith('shp'):
                            raise GeoAlgorithmExecutionException(
                                'Unsupported file format')

        # 2: Set parameters and outputs
        saga208 = SagaUtils.isSaga208()
        if isWindows() or isMac() or not saga208:
            command = self.undecoratedGroup + ' "' + self.cmdname + '"'
        else:
            command = 'lib' + self.undecoratedGroup + ' "' + self.cmdname + '"'

        if self.hardcodedStrings:
            for s in self.hardcodedStrings:
                command += ' ' + s

        for param in self.parameters:
            if param.value is None:
                continue
            if isinstance(param,
                          (ParameterRaster, ParameterVector, ParameterTable)):
                value = param.value
                if value in self.exportedLayers.keys():
                    command += ' -' + param.name + ' "' \
                        + self.exportedLayers[value] + '"'
                else:
                    command += ' -' + param.name + ' "' + value + '"'
            elif isinstance(param, ParameterMultipleInput):
                s = param.value
                for layer in self.exportedLayers.keys():
                    s = s.replace(layer, self.exportedLayers[layer])
                command += ' -' + param.name + ' "' + s + '"'
            elif isinstance(param, ParameterBoolean):
                if param.value:
                    command += ' -' + param.name
            elif isinstance(param, ParameterFixedTable):
                tempTableFile = getTempFilename('txt')
                f = open(tempTableFile, 'w')
                f.write('\t'.join([col for col in param.cols]) + '\n')
                values = param.value.split(',')
                for i in range(0, len(values), 3):
                    s = values[i] + '\t' + values[i +
                                                  1] + '\t' + values[i +
                                                                     2] + '\n'
                    f.write(s)
                f.close()
                command += ' -' + param.name + ' "' + tempTableFile + '"'
            elif isinstance(param, ParameterExtent):
                # 'We have to substract/add half cell size, since SAGA is
                # center based, not corner based
                halfcell = self.getOutputCellsize() / 2
                offset = [halfcell, -halfcell, halfcell, -halfcell]
                values = param.value.split(',')
                for i in range(4):
                    command += ' -' + self.extentParamNames[i] + ' ' \
                        + str(float(values[i]) + offset[i])
            elif isinstance(param, (ParameterNumber, ParameterSelection)):
                command += ' -' + param.name + ' ' + str(param.value)
            else:
                command += ' -' + param.name + ' "' + str(param.value) + '"'

        for out in self.outputs:
            if isinstance(out, OutputRaster):
                filename = out.getCompatibleFileName(self)
                filename += '.sgrd'
                command += ' -' + out.name + ' "' + filename + '"'
            if isinstance(out, OutputVector):
                filename = out.getCompatibleFileName(self)
                command += ' -' + out.name + ' "' + filename + '"'
            if isinstance(out, OutputTable):
                filename = out.getCompatibleFileName(self)
                command += ' -' + out.name + ' "' + filename + '"'

        commands.append(command)

        # 3: Export resulting raster layers
        optim = ProcessingConfig.getSetting(
            SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION)
        for out in self.outputs:
            if isinstance(out, OutputRaster):
                filename = out.getCompatibleFileName(self)
                filename2 = filename + '.sgrd'
                formatIndex = (4 if not saga208 and isWindows() else 1)
                sessionExportedLayers[filename] = filename2
                dontExport = True

                # Do not export is the output is not a final output
                # of the model
                if self.model is not None and optim:
                    for subalg in self.model.algOutputs:
                        if out.name in subalg:
                            if subalg[out.name] is not None:
                                dontExport = False
                                break
                    if dontExport:
                        continue

                if self.cmdname == 'RGB Composite':
                    if isWindows() or isMac() or not saga208:
                        commands.append('io_grid_image 0 -IS_RGB -GRID:"' +
                                        filename2 + '" -FILE:"' + filename +
                                        '"')
                    else:
                        commands.append('libio_grid_image 0 -IS_RGB -GRID:"' +
                                        filename2 + '" -FILE:"' + filename +
                                        '"')
                else:
                    if isWindows() or isMac() or not saga208:
                        commands.append('io_gdal 1 -GRIDS "' + filename2 +
                                        '" -FORMAT ' + str(formatIndex) +
                                        ' -TYPE 0 -FILE "' + filename + '"')
                    else:
                        commands.append('libio_gdal 1 -GRIDS "' + filename2 +
                                        '" -FORMAT 1 -TYPE 0 -FILE "' +
                                        filename + '"')

        # 4: Run SAGA
        commands = self.editCommands(commands)
        SagaUtils.createSagaBatchJobFileFromSagaCommands(commands)
        loglines = []
        loglines.append('SAGA execution commands')
        for line in commands:
            progress.setCommand(line)
            loglines.append(line)
        if ProcessingConfig.getSetting(SagaUtils.SAGA_LOG_COMMANDS):
            ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines)
        SagaUtils.executeSaga(progress)
コード例 #16
0
ファイル: SagaAlgorithm.py プロジェクト: Aladar64/QGIS
    def processAlgorithm(self, progress):
        if isWindows():
            path = SagaUtils.sagaPath()
            if path == '':
                raise GeoAlgorithmExecutionException(
                        'SAGA folder is not configured.\nPlease configure \
                        it before running SAGA algorithms.')
        commands = list()
        self.exportedLayers = {}

        self.preProcessInputs()

        # 1: Export rasters to sgrd and vectors to shp
        # Tables must be in dbf format. We check that.
        for param in self.parameters:
            if isinstance(param, ParameterRaster):
                if param.value is None:
                    continue
                value = param.value
                if not value.endswith('sgrd'):
                    exportCommand = self.exportRasterLayer(value)
                    if exportCommand is not None:
                        commands.append(exportCommand)
            if isinstance(param, ParameterVector):
                if param.value is None:
                    continue
                layer = dataobjects.getObjectFromUri(param.value, False)
                if layer:
                    filename = dataobjects.exportVectorLayer(layer)
                    self.exportedLayers[param.value] = filename
                elif not param.value.endswith('shp'):
                    raise GeoAlgorithmExecutionException(
                            'Unsupported file format')
            if isinstance(param, ParameterTable):
                if param.value is None:
                    continue
                table = dataobjects.getObjectFromUri(param.value, False)
                if table:
                    filename = dataobjects.exportTable(table)
                    self.exportedLayers[param.value] = filename
                elif not param.value.endswith('shp'):
                    raise GeoAlgorithmExecutionException(
                            'Unsupported file format')
            if isinstance(param, ParameterMultipleInput):
                if param.value is None:
                    continue
                layers = param.value.split(';')
                if layers is None or len(layers) == 0:
                    continue
                if param.datatype == ParameterMultipleInput.TYPE_RASTER:
                    for layerfile in layers:
                        if not layerfile.endswith('sgrd'):
                            exportCommand = self.exportRasterLayer(layerfile)
                            if exportCommand is not None:
                                commands.append(exportCommand)
                elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                    for layerfile in layers:
                        layer = dataobjects.getObjectFromUri(layerfile, False)
                        if layer:
                            filename = dataobjects.exportVectorLayer(layer)
                            self.exportedLayers[layerfile] = filename
                        elif not layerfile.endswith('shp'):
                            raise GeoAlgorithmExecutionException(
                                    'Unsupported file format')

        # 2: Set parameters and outputs
        saga208 = SagaUtils.isSaga208()
        if isWindows() or isMac() or not saga208:
            command = self.undecoratedGroup + ' "' + self.cmdname + '"'
        else:
            command = 'lib' + self.undecoratedGroup + ' "' + self.cmdname + '"'

        if self.hardcodedStrings:
            for s in self.hardcodedStrings:
                command += ' ' + s

        for param in self.parameters:
            if param.value is None:
                continue
            if isinstance(param, (ParameterRaster, ParameterVector,
                          ParameterTable)):
                value = param.value
                if value in self.exportedLayers.keys():
                    command += ' -' + param.name + ' "' \
                        + self.exportedLayers[value] + '"'
                else:
                    command += ' -' + param.name + ' "' + value + '"'
            elif isinstance(param, ParameterMultipleInput):
                s = param.value
                for layer in self.exportedLayers.keys():
                    s = s.replace(layer, self.exportedLayers[layer])
                command += ' -' + param.name + ' "' + s + '"'
            elif isinstance(param, ParameterBoolean):
                if param.value:
                    command += ' -' + param.name
            elif isinstance(param, ParameterFixedTable):
                tempTableFile = getTempFilename('txt')
                f = open(tempTableFile, 'w')
                f.write('\t'.join([col for col in param.cols]) + '\n')
                values = param.value.split(',')
                for i in range(0, len(values), 3):
                    s = values[i] + '\t' + values[i + 1] + '\t' + values[i
                            + 2] + '\n'
                    f.write(s)
                f.close()
                command += ' -' + param.name + ' "' + tempTableFile + '"'
            elif isinstance(param, ParameterExtent):
                # 'We have to substract/add half cell size, since SAGA is
                # center based, not corner based
                halfcell = self.getOutputCellsize() / 2
                offset = [halfcell, -halfcell, halfcell, -halfcell]
                values = param.value.split(',')
                for i in range(4):
                    command += ' -' + self.extentParamNames[i] + ' ' \
                        + str(float(values[i]) + offset[i])
            elif isinstance(param, (ParameterNumber, ParameterSelection)):
                command += ' -' + param.name + ' ' + str(param.value)
            else:
                command += ' -' + param.name + ' "' + str(param.value) + '"'

        for out in self.outputs:
            if isinstance(out, OutputRaster):
                filename = out.getCompatibleFileName(self)
                filename += '.sgrd'
                command += ' -' + out.name + ' "' + filename + '"'
            if isinstance(out, OutputVector):
                filename = out.getCompatibleFileName(self)
                command += ' -' + out.name + ' "' + filename + '"'
            if isinstance(out, OutputTable):
                filename = out.getCompatibleFileName(self)
                command += ' -' + out.name + ' "' + filename + '"'

        commands.append(command)

        # 3: Export resulting raster layers
        optim = ProcessingConfig.getSetting(
                SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION)
        for out in self.outputs:
            if isinstance(out, OutputRaster):
                filename = out.getCompatibleFileName(self)
                filename2 = filename + '.sgrd'
                formatIndex = (4 if not saga208 and isWindows() else 1)
                sessionExportedLayers[filename] = filename2
                dontExport = True

                # Do not export is the output is not a final output
                # of the model
                if self.model is not None and optim:
                    for subalg in self.model.algOutputs:
                        if out.name in subalg:
                            if subalg[out.name] is not None:
                                dontExport = False
                                break
                    if dontExport:
                        continue

                if self.cmdname == 'RGB Composite':
                    if isWindows() or isMac() or not saga208:
                        commands.append('io_grid_image 0 -IS_RGB -GRID:"' + filename2
                                	+ '" -FILE:"' + filename
                                	+ '"')
                    else:
                        commands.append('libio_grid_image 0 -IS_RGB -GRID:"' + filename2
                                	+ '" -FILE:"' + filename
                                	+ '"')
                else:
                    if isWindows() or isMac() or not saga208:
                        commands.append('io_gdal 1 -GRIDS "' + filename2
	                                    + '" -FORMAT ' + str(formatIndex)
	                                    + ' -TYPE 0 -FILE "' + filename + '"')
                    else:
                        commands.append('libio_gdal 1 -GRIDS "' + filename2
	                                    + '" -FORMAT 1 -TYPE 0 -FILE "' + filename
	                                    + '"')

        # 4: Run SAGA
        commands = self.editCommands(commands)
        SagaUtils.createSagaBatchJobFileFromSagaCommands(commands)
        loglines = []
        loglines.append('SAGA execution commands')
        for line in commands:
            progress.setCommand(line)
            loglines.append(line)
        if ProcessingConfig.getSetting(SagaUtils.SAGA_LOG_COMMANDS):
            ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines)
        SagaUtils.executeSaga(progress)