コード例 #1
0
    def processAlgorithm(self, parameters, context, feedback):
        interpolationData = ParameterInterpolationData.parseValue(parameters[self.INTERPOLATION_DATA])
        method = self.parameterAsEnum(parameters, self.METHOD, context)
        columns = self.parameterAsInt(parameters, self.COLUMNS, context)
        rows = self.parameterAsInt(parameters, self.ROWS, context)
        cellsizeX = self.parameterAsDouble(parameters, self.CELLSIZE_X, context)
        cellsizeY = self.parameterAsDouble(parameters, self.CELLSIZE_Y, context)
        bbox = self.parameterAsExtent(parameters, self.EXTENT, context)
        output = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
        triangulation = self.parameterAsFileOutput(parameters, self.TRIANGULATION_FILE, context)

        if interpolationData is None:
            raise QgsProcessingException(
                self.tr('You need to specify at least one input layer.'))

        if cellsizeX == 0.0 or cellsizeY == 0.0:
            raise QgsProcessingException(
                self.tr('Cellsize should be greater than 0.'))

        layerData = []
        layers = []
        for row in interpolationData.split(';'):
            v = row.split(',')
            data = QgsInterpolator.LayerData()

            # need to keep a reference until interpolation is complete
            layer = QgsProcessingUtils.mapLayerFromString(v[0], context)
            data.vectorLayer = layer
            layers.append(layer)

            data.zCoordInterpolation = bool(v[1])
            data.interpolationAttribute = int(v[2])
            if v[3] == '0':
                data.mInputType = QgsInterpolator.POINTS
            elif v[3] == '1':
                data.mInputType = QgsInterpolator.STRUCTURE_LINES
            else:
                data.mInputType = QgsInterpolator.BREAK_LINES
            layerData.append(data)

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator(layerData, interpolationMethod, feedback)
        if triangulation is not None and triangulation != '':
            interpolator.setExportTriangulationToFile(True)
            interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile(feedback)
        return {self.OUTPUT: output}
コード例 #2
0
    def processAlgorithm(self, feedback):
        interpolationData = self.getParameterValue(self.INTERPOLATION_DATA)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        if interpolationData is None:
            raise GeoAlgorithmExecutionException(
                self.tr('You need to specify at least one input layer.'))

        if cellsizeX == 0.0 or cellsizeY == 0.0:
            raise GeoAlgorithmExecutionException(
                self.tr('Cellsize should be greater than 0.'))

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = []
        layers = []
        for row in interpolationData.split(';'):
            v = row.split(',')
            data = QgsInterpolator.LayerData()

            # need to keep a reference until interpolation is complete
            layer = dataobjects.getLayerFromString(v[0])
            data.vectorLayer = layer
            layers.append(layer)

            data.zCoordInterpolation = bool(v[1])
            data.interpolationAttribute = int(v[2])
            if v[3] == '0':
                data.mInputType = QgsInterpolator.POINTS
            elif v[3] == '1':
                data.mInputType = QgsInterpolator.STRUCTURE_LINES
            else:
                data.mInputType = QgsInterpolator.BREAK_LINES
            layerData.append(data)

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator(layerData, interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator, output, bbox, columns, rows,
                                   cellsizeX, cellsizeY)

        writer.writeFile()
コード例 #3
0
    def processAlgorithm(self, feedback):
        interpolationData = self.getParameterValue(self.INTERPOLATION_DATA)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        if interpolationData is None:
            raise GeoAlgorithmExecutionException(
                self.tr('You need to specify at least one input layer.'))

        if cellsizeX == 0.0 or cellsizeY == 0.0:
            raise GeoAlgorithmExecutionException(
                self.tr('Cellsize should be greater than 0.'))

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = []
        for row in interpolationData.split(';'):
            v = row.split(',')
            data = QgsInterpolator.LayerData()
            data.vectorLayer = dataobjects.getObjectFromUri(v[0])
            data.zCoordInterpolation = bool(v[1])
            data.interpolationAttribute = int(v[2])
            if v[3] == '0':
                data.mInputType = QgsInterpolator.POINTS
            elif v[3] == '1':
                data.mInputType = QgsInterpolator.STRUCTURE_LINES
            else:
                data.mInputType = QgsInterpolator.BREAK_LINES
            layerData.append(data)

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator(layerData, interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile()
コード例 #4
0
ファイル: TinInterpolationZValue.py プロジェクト: spono/QGIS
    def processAlgorithm(self, progress):
        layer = dataobjects.getObjectFromUri(
            self.getParameterValue(self.INPUT_LAYER))
        layerType = self.getParameterValue(self.LAYER_TYPE)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        if not QgsWkbTypes.hasZ(layer.wkbType()):
            raise GeoAlgorithmExecutionException(
                self.tr('Geometries in input layer does not have Z coordinates.'))

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = QgsInterpolator.LayerData()
        layerData.vectorLayer = layer
        layerData.zCoordInterpolation = True
        layerData.interpolationAttribute = -1

        if layerType == 0:
            layerData.mInputType = QgsInterpolator.POINTS
        elif layerType == 1:
            layerData.mInputType = QgsInterpolator.STRUCTURE_LINES
        else:
            layerData.mInputType = QgsInterpolator.BREAK_LINES

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator([layerData], interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile()
コード例 #5
0
    def processAlgorithm(self, progress):
        layer = dataobjects.getObjectFromUri(
            self.getParameterValue(self.INPUT_LAYER))
        layerType = self.getParameterValue(self.LAYER_TYPE)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        if not QgsWkbTypes.hasZ(layer.wkbType()):
            raise GeoAlgorithmExecutionException(
                self.tr('Geometries in input layer does not have Z coordinates.'))

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = QgsInterpolator.LayerData()
        layerData.vectorLayer = layer
        layerData.zCoordInterpolation = True
        layerData.interpolationAttribute = -1

        if layerType == 0:
            layerData.mInputType = QgsInterpolator.POINTS
        elif layerType == 1:
            layerData.mInputType = QgsInterpolator.STRUCTURE_LINES
        else:
            layerData.mInputType = QgsInterpolator.BREAK_LINES

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator([layerData], interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile()
コード例 #6
0
    def processAlgorithm(self, progress):
        layer = dataobjects.getObjectFromUri(
            self.getParameterValue(self.INPUT_LAYER))
        fieldName = self.getParameterValue(self.ATTRIBUTE)
        layerType = self.getParameterValue(self.LAYER_TYPE)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = QgsInterpolator.LayerData()
        layerData.vectorLayer = layer
        layerData.zCoordInterpolation = False
        layerData.interpolationAttribute = layer.dataProvider().fieldNameIndex(fieldName)

        if layerType == 0:
            layerData.mInputType = QgsInterpolator.POINTS
        elif layerType == 1:
            layerData.mInputType = QgsInterpolator.STRUCTURE_LINES
        else:
            layerData.mInputType = QgsInterpolator.BREAK_LINES

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator([layerData], interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile()
コード例 #7
0
    def processAlgorithm(self, progress):
        layer = dataobjects.getObjectFromUri(
            self.getParameterValue(self.INPUT_LAYER))
        fieldName = self.getParameterValue(self.ATTRIBUTE)
        layerType = self.getParameterValue(self.LAYER_TYPE)
        method = self.getParameterValue(self.METHOD)
        columns = self.getParameterValue(self.COLUMNS)
        rows = self.getParameterValue(self.ROWS)
        cellsizeX = self.getParameterValue(self.CELLSIZE_X)
        cellsizeY = self.getParameterValue(self.CELLSIZE_Y)
        extent = self.getParameterValue(self.EXTENT).split(',')
        output = self.getOutputValue(self.OUTPUT_LAYER)
        triangulation = self.getOutputValue(self.TRIANULATION_FILE)

        xMin = float(extent[0])
        xMax = float(extent[1])
        yMin = float(extent[2])
        yMax = float(extent[3])
        bbox = QgsRectangle(xMin, yMin, xMax, yMax)

        layerData = QgsInterpolator.LayerData()
        layerData.vectorLayer = layer
        layerData.zCoordInterpolation = False
        layerData.interpolationAttribute = layer.dataProvider().fieldNameIndex(fieldName)

        if layerType == 0:
            layerData.mInputType = QgsInterpolator.POINTS
        elif layerType == 1:
            layerData.mInputType = QgsInterpolator.STRUCTURE_LINES
        else:
            layerData.mInputType = QgsInterpolator.BREAK_LINES

        if method == 0:
            interpolationMethod = QgsTINInterpolator.Linear
        else:
            interpolationMethod = QgsTINInterpolator.CloughTocher

        interpolator = QgsTINInterpolator([layerData], interpolationMethod)
        interpolator.setExportTriangulationToFile(True)
        interpolator.setTriangulationFilePath(triangulation)

        writer = QgsGridFileWriter(interpolator,
                                   output,
                                   bbox,
                                   columns,
                                   rows,
                                   cellsizeX,
                                   cellsizeY)

        writer.writeFile()