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}
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()
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()
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()
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()