Python SagaUtils.executeSaga方法代码示例

# 需要导入模块: from sextante.saga.SagaUtils import SagaUtils [as 别名]
# 或者: from sextante.saga.SagaUtils.SagaUtils import executeSaga [as 别名]
    def processAlgorithm(self, progress):
        #TODO:check correct num of bands
        input = self.getParameterValue(SplitRGBBands.INPUT)
        temp = SextanteUtils.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 SextanteUtils.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);

# 需要导入模块: from sextante.saga.SagaUtils import SagaUtils [as 别名]
# 或者: from sextante.saga.SagaUtils.SagaUtils import executeSaga [as 别名]
    def processAlgorithm(self, progress):
        #TODO:check correct num of bands
        input = self.getParameterValue(SplitRGBBands.INPUT)        
        temp = SextanteUtils.getTempFilename();        
        r = self.getOutputValue(SplitRGBBands.R)
        g = self.getOutputValue(SplitRGBBands.G)
        b = self.getOutputValue(SplitRGBBands.B)
        commands = []
        if SextanteUtils.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);

# 需要导入模块: from sextante.saga.SagaUtils import SagaUtils [as 别名]
# 或者: from sextante.saga.SagaUtils.SagaUtils import executeSaga [as 别名]

#.........这里部分代码省略.........
                        if layer:
                            filename = LayerExporter.exportVectorLayer(layer)
                            self.exportedLayers[layerfile]=filename
                        elif (not layerfile.endswith("shp")):
                            raise GeoAlgorithmExecutionException("Unsupported file format")

        #2: set parameters and outputs
        if SextanteUtils.isWindows():
            command = self.undecoratedGroup  + " \"" + self.cmdname + "\""
        else:
            command = "lib" + self.undecoratedGroup  + " \"" + self.cmdname + "\""

        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  = SextanteUtils.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 = out.value
                #===============================================================
                # if not filename.endswith(".tif"):
                #    filename += ".tif"
                #    out.value = filename
                #===============================================================
                filename = SextanteUtils.tempFolder() + os.sep + os.path.basename(filename) + ".sgrd"
                command+=(" -" + out.name + " \"" + filename + "\"");
            if isinstance(out, OutputVector):
                filename = out.getCompatibleFileName(self)#out.value
                #===============================================================
                # if not filename.endswith(".shp"):
                #    filename += ".shp"
                #    out.value = filename
                #===============================================================
                command+=(" -" + out.name + " \"" + filename + "\"");
            if isinstance(out, OutputTable):
                filename = out.getCompatibleFileName(self)#out.value
                #===============================================================
                # if not filename.endswith(".dbf"):
                #    filename += ".dbf"
                #    out.value = filename
                #===============================================================
                command+=(" -" + out.name + " \"" + filename + "\"");

        commands.append(command)

        #3:Export resulting raster layers
        for out in self.outputs:
            if isinstance(out, OutputRaster):
                filename = out.getCompatibleFileName(self)
                filename2 = SextanteUtils.tempFolder() + os.sep + os.path.basename(filename) + ".sgrd"
                if SextanteUtils.isWindows():
                    commands.append("io_gdal 1 -GRIDS \"" + filename2 + "\" -FORMAT 1 -TYPE 0 -FILE \"" + filename + "\"");
                else:
                    commands.append("libio_gdal 1 -GRIDS \"" + filename2 + "\" -FORMAT 1 -TYPE 0 -FILE \"" + filename + "\"");

        #4 Run SAGA
        SagaUtils.createSagaBatchJobFileFromSagaCommands(commands)
        loglines = []
        loglines.append("SAGA execution commands")
        for line in commands:
            progress.setCommand(line)
            loglines.append(line)
        if SextanteConfig.getSetting(SagaUtils.SAGA_LOG_COMMANDS):
            SextanteLog.addToLog(SextanteLog.LOG_INFO, loglines)
        SagaUtils.executeSaga(progress);