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Merge pull request #954 from gioman/grassnvizcolor
[processing] add COLOR parameter to nviz to allow draping rasters over the digital elevation model
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commit
f0c9efbf01
@ -43,6 +43,7 @@ class nviz(GeoAlgorithm):
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ELEVATION = 'ELEVATION'
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VECTOR = 'VECTOR'
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COLOR = 'COLOR'
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GRASS_REGION_EXTENT_PARAMETER = 'GRASS_REGION_PARAMETER'
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GRASS_REGION_CELLSIZE_PARAMETER = 'GRASS_REGION_CELLSIZE_PARAMETER'
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@ -53,10 +54,12 @@ class nviz(GeoAlgorithm):
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self.name = 'nviz'
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self.group = 'Visualization(NVIZ)'
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self.addParameter(ParameterMultipleInput(nviz.ELEVATION,
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'Elevation layers',
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'Raster file(s) for elevation',
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ParameterMultipleInput.TYPE_RASTER, True))
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self.addParameter(ParameterMultipleInput(nviz.VECTOR, 'Vector layers',
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self.addParameter(ParameterMultipleInput(nviz.VECTOR, 'Vector lines/areas overlay file(s)',
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ParameterMultipleInput.TYPE_VECTOR_ANY, True))
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self.addParameter(ParameterMultipleInput(nviz.COLOR, 'Raster file(s) for color',
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ParameterMultipleInput.TYPE_RASTER, True)
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self.addParameter(ParameterExtent(nviz.GRASS_REGION_EXTENT_PARAMETER,
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'GRASS region extent'))
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self.addParameter(ParameterNumber(self.GRASS_REGION_CELLSIZE_PARAMETER,
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@ -67,6 +70,7 @@ class nviz(GeoAlgorithm):
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commands = []
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vector = self.getParameterValue(self.VECTOR)
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elevation = self.getParameterValue(self.ELEVATION)
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color = self.getParameterValue(self.COLOR)
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region = \
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str(self.getParameterValue(self.GRASS_REGION_EXTENT_PARAMETER))
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@ -91,6 +95,13 @@ class nviz(GeoAlgorithm):
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commands.append(cmd)
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vector = vector.replace(layer, newfilename)
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command += ' vector=' + vector.replace(';', ',')
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if color:
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layers = color.split(';')
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for layer in layers:
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(cmd, newfilename) = self.exportRasterLayer(layer)
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commands.append(cmd)
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color = color.replace(layer, newfilename)
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command += ' color=' + color.replace(';', ',')
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if elevation:
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layers = elevation.split(';')
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for layer in layers:
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