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[processing] expose TIN interpolation from interpolation plugin in to…
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154
python/plugins/processing/algs/qgis/TinInterpolationAttribute.py
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| # -*- coding: utf-8 -*- | ||
|
|
||
| """ | ||
| *************************************************************************** | ||
| TinInterpolationAttribute.py | ||
| --------------------- | ||
| Date : October 2016 | ||
| Copyright : (C) 2016 by Alexander Bruy | ||
| Email : alexander dot bruy at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| *************************************************************************** | ||
| """ | ||
|
|
||
| __author__ = 'Alexander Bruy' | ||
| __date__ = 'October 2016' | ||
| __copyright__ = '(C) 2016, Alexander Bruy' | ||
|
|
||
| # This will get replaced with a git SHA1 when you do a git archive | ||
|
|
||
| __revision__ = '$Format:%H$' | ||
|
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| from qgis.core import QgsRectangle | ||
| from qgis.analysis import (QgsInterpolator, | ||
| QgsTINInterpolator, | ||
| QgsGridFileWriter | ||
| ) | ||
|
|
||
| from processing.core.GeoAlgorithm import GeoAlgorithm | ||
| from processing.core.parameters import ParameterVector | ||
| from processing.core.parameters import ParameterTableField | ||
| from processing.core.parameters import ParameterSelection | ||
| from processing.core.parameters import ParameterNumber | ||
| from processing.core.parameters import ParameterExtent | ||
| from processing.core.outputs import OutputRaster | ||
| from processing.core.outputs import OutputVector | ||
| from processing.tools import dataobjects | ||
|
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||
|
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||
| class TinInterpolationAttribute(GeoAlgorithm): | ||
|
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| INPUT_LAYER = 'INPUT_LAYER' | ||
| ATTRIBUTE = 'ATTRIBUTE' | ||
| LAYER_TYPE = 'LAYER_TYPE' | ||
| METHOD = 'METHOD' | ||
| COLUMNS = 'COLUMNS' | ||
| ROWS = 'ROWS' | ||
| CELLSIZE_X = 'CELLSIZE_X' | ||
| CELLSIZE_Y = 'CELLSIZE_Y' | ||
| EXTENT = 'EXTENT' | ||
| OUTPUT_LAYER = 'OUTPUT_LAYER' | ||
| TRIANULATION_FILE = 'TRIANULATION_FILE' | ||
|
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| def defineCharacteristics(self): | ||
| self.name, self.i18n_name = self.trAlgorithm('TIN interpolation (using attribute)') | ||
| self.group, self.i18n_group = self.trAlgorithm('Interpolation') | ||
|
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||
| self.TYPES = [self.tr('Points'), | ||
| self.tr('Structure lines'), | ||
| self.tr('Break lines') | ||
| ] | ||
| self.METHODS = [self.tr('Linear'), | ||
| self.tr('Clough-Toucher (cubic)') | ||
| ] | ||
|
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| self.addParameter(ParameterVector(self.INPUT_LAYER, | ||
| self.tr('Vector layer'))) | ||
| self.addParameter(ParameterTableField(self.ATTRIBUTE, | ||
| self.tr('Interpolation attribute'), | ||
| self.INPUT_LAYER, | ||
| ParameterTableField.DATA_TYPE_NUMBER)) | ||
| self.addParameter(ParameterSelection(self.LAYER_TYPE, | ||
| self.tr('Type'), | ||
| self.TYPES, | ||
| 0)) | ||
| self.addParameter(ParameterSelection(self.METHOD, | ||
| self.tr('Interpolation method'), | ||
| self.METHODS, | ||
| 0)) | ||
| self.addParameter(ParameterNumber(self.COLUMNS, | ||
| self.tr('Number of columns'), | ||
| 0, 10000000, 300)) | ||
| self.addParameter(ParameterNumber(self.ROWS, | ||
| self.tr('Number of rows'), | ||
| 0, 10000000, 300)) | ||
| self.addParameter(ParameterNumber(self.CELLSIZE_X, | ||
| self.tr('Cellsize X'), | ||
| 0.0, 999999.000000, 0.0)) | ||
| self.addParameter(ParameterNumber(self.CELLSIZE_Y, | ||
| self.tr('Cellsize Y'), | ||
| 0.0, 999999.000000, 0.0)) | ||
| self.addParameter(ParameterExtent(self.EXTENT, | ||
| self.tr('Extent'))) | ||
| self.addOutput(OutputRaster(self.OUTPUT_LAYER, | ||
| self.tr('Interpolated'))) | ||
| self.addOutput(OutputVector(self.TRIANULATION_FILE, | ||
| self.tr('Triangulation'), | ||
| )) # datatype=dataobjects.TYPE_VECTOR_LINE)) | ||
|
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| 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) | ||
|
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||
| xMin = float(extent[0]) | ||
| xMax = float(extent[1]) | ||
| yMin = float(extent[2]) | ||
| yMax = float(extent[3]) | ||
| bbox = QgsRectangle(xMin, yMin, xMax, yMax) | ||
|
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| layerData = QgsInterpolator.LayerData() | ||
| layerData.vectorLayer = layer | ||
| layerData.zCoordInterpolation = False | ||
| layerData.interpolationAttribute = layer.dataProvider().fieldNameIndex(fieldName) | ||
|
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| if layerType == 0: | ||
| layerData.mInputType = QgsInterpolator.POINTS | ||
| elif layerType == 1: | ||
| layerData.mInputType = QgsInterpolator.STRUCTURE_LINES | ||
| else: | ||
| layerData.mInputType = QgsInterpolator.BREAK_LINES | ||
|
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| if method == 0: | ||
| interpolationMethod = QgsTINInterpolator.Linear | ||
| else: | ||
| interpolationMethod = QgsTINInterpolator.CloughTocher | ||
|
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| interpolator = QgsTINInterpolator([layerData], interpolationMethod) | ||
| interpolator.setExportTriangulationToFile(True) | ||
| interpolator.setTriangulationFilePath(triangulation) | ||
|
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| writer = QgsGridFileWriter(interpolator, | ||
| output, | ||
| bbox, | ||
| columns, | ||
| rows, | ||
| cellsizeX, | ||
| cellsizeY) | ||
|
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| writer.writeFile() |
151 changes: 151 additions & 0 deletions
151
python/plugins/processing/algs/qgis/TinInterpolationZValue.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| # -*- coding: utf-8 -*- | ||
|
|
||
| """ | ||
| *************************************************************************** | ||
| TinInterpolationZValue.py | ||
| --------------------- | ||
| Date : October 2016 | ||
| Copyright : (C) 2016 by Alexander Bruy | ||
| Email : alexander dot bruy at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| *************************************************************************** | ||
| """ | ||
|
|
||
| __author__ = 'Alexander Bruy' | ||
| __date__ = 'October 2016' | ||
| __copyright__ = '(C) 2016, Alexander Bruy' | ||
|
|
||
| # This will get replaced with a git SHA1 when you do a git archive | ||
|
|
||
| __revision__ = '$Format:%H$' | ||
|
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| from qgis.core import QgsRectangle, QgsWkbTypes | ||
| from qgis.analysis import (QgsInterpolator, | ||
| QgsTINInterpolator, | ||
| QgsGridFileWriter | ||
| ) | ||
|
|
||
| from processing.core.GeoAlgorithm import GeoAlgorithm | ||
| from processing.core.parameters import ParameterVector | ||
| from processing.core.parameters import ParameterSelection | ||
| from processing.core.parameters import ParameterNumber | ||
| from processing.core.parameters import ParameterExtent | ||
| from processing.core.outputs import OutputRaster | ||
| from processing.core.outputs import OutputVector | ||
| from processing.tools import dataobjects | ||
|
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||
|
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| class TinInterpolationZValue(GeoAlgorithm): | ||
|
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| INPUT_LAYER = 'INPUT_LAYER' | ||
| LAYER_TYPE = 'LAYER_TYPE' | ||
| METHOD = 'METHOD' | ||
| COLUMNS = 'COLUMNS' | ||
| ROWS = 'ROWS' | ||
| CELLSIZE_X = 'CELLSIZE_X' | ||
| CELLSIZE_Y = 'CELLSIZE_Y' | ||
| EXTENT = 'EXTENT' | ||
| OUTPUT_LAYER = 'OUTPUT_LAYER' | ||
| TRIANULATION_FILE = 'TRIANULATION_FILE' | ||
|
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| def defineCharacteristics(self): | ||
| self.name, self.i18n_name = self.trAlgorithm('TIN interpolation (using Z-values)') | ||
| self.group, self.i18n_group = self.trAlgorithm('Interpolation') | ||
|
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| self.TYPES = [self.tr('Points'), | ||
| self.tr('Structure lines'), | ||
| self.tr('Break lines') | ||
| ] | ||
| self.METHODS = [self.tr('Linear'), | ||
| self.tr('Clough-Toucher (cubic)') | ||
| ] | ||
|
|
||
| self.addParameter(ParameterVector(self.INPUT_LAYER, | ||
| self.tr('Vector layer'))) | ||
| self.addParameter(ParameterSelection(self.LAYER_TYPE, | ||
| self.tr('Type'), | ||
| self.TYPES, | ||
| 0)) | ||
| self.addParameter(ParameterSelection(self.METHOD, | ||
| self.tr('Interpolation method'), | ||
| self.METHODS, | ||
| 0)) | ||
| self.addParameter(ParameterNumber(self.COLUMNS, | ||
| self.tr('Number of columns'), | ||
| 0, 10000000, 300)) | ||
| self.addParameter(ParameterNumber(self.ROWS, | ||
| self.tr('Number of rows'), | ||
| 0, 10000000, 300)) | ||
| self.addParameter(ParameterNumber(self.CELLSIZE_X, | ||
| self.tr('Cellsize X'), | ||
| 0.0, 999999.000000, 0.0)) | ||
| self.addParameter(ParameterNumber(self.CELLSIZE_Y, | ||
| self.tr('Cellsize Y'), | ||
| 0.0, 999999.000000, 0.0)) | ||
| self.addParameter(ParameterExtent(self.EXTENT, | ||
| self.tr('Extent'))) | ||
| self.addOutput(OutputRaster(self.OUTPUT_LAYER, | ||
| self.tr('Interpolated'))) | ||
| self.addOutput(OutputVector(self.TRIANULATION_FILE, | ||
| self.tr('Triangulation'), | ||
| )) # datatype=dataobjects.TYPE_VECTOR_LINE)) | ||
|
|
||
| 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) | ||
|
|
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| if not QgsWkbTypes.hasZ(layer.wkbType()): | ||
| raise GeoAlgorithmExecutionException( | ||
| self.tr('Geometries in input layer does not have Z coordinates.')) | ||
|
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||
| xMin = float(extent[0]) | ||
| xMax = float(extent[1]) | ||
| yMin = float(extent[2]) | ||
| yMax = float(extent[3]) | ||
| bbox = QgsRectangle(xMin, yMin, xMax, yMax) | ||
|
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| layerData = QgsInterpolator.LayerData() | ||
| layerData.vectorLayer = layer | ||
| layerData.zCoordInterpolation = True | ||
| layerData.interpolationAttribute = -1 | ||
|
|
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| if layerType == 0: | ||
| layerData.mInputType = QgsInterpolator.POINTS | ||
| elif layerType == 1: | ||
| layerData.mInputType = QgsInterpolator.STRUCTURE_LINES | ||
| else: | ||
| layerData.mInputType = QgsInterpolator.BREAK_LINES | ||
|
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| if method == 0: | ||
| interpolationMethod = QgsTINInterpolator.Linear | ||
| else: | ||
| interpolationMethod = QgsTINInterpolator.CloughTocher | ||
|
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| interpolator = QgsTINInterpolator([layerData], interpolationMethod) | ||
| interpolator.setExportTriangulationToFile(True) | ||
| interpolator.setTriangulationFilePath(triangulation) | ||
|
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| writer = QgsGridFileWriter(interpolator, | ||
| output, | ||
| bbox, | ||
| columns, | ||
| rows, | ||
| cellsizeX, | ||
| cellsizeY) | ||
|
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| writer.writeFile() |