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Médéric RIBREUX
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python/plugins/processing/algs/grass7/description/r.colors.stddev.txt
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r.colors.stddev | ||
Sets color rules based on stddev from a raster map's mean value. | ||
Raster (r.*) | ||
ParameterRaster|map|Name of raster map|False | ||
*ParameterBoolean|-b|Color using standard deviation bands|False | ||
*ParameterBoolean|-z|Force center at zero|False | ||
OutputRaster|output|Stddev Colors |
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python/plugins/processing/algs/grass7/ext/r_colors_stddev.py
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# -*- coding: utf-8 -*- | ||
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""" | ||
*************************************************************************** | ||
r_colors_stddev.py | ||
------------------ | ||
Date : February 2016 | ||
Copyright : (C) 2016 by Médéric Ribreux | ||
Email : medspx at medspx dot fr | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
*************************************************************************** | ||
""" | ||
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__author__ = 'Médéric Ribreux' | ||
__date__ = 'February 2016' | ||
__copyright__ = '(C) 2016, Médéric Ribreux' | ||
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# This will get replaced with a git SHA1 when you do a git archive | ||
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__revision__ = '$Format:%H$' | ||
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def processInputs(alg): | ||
# We need to import all the bands and to preserve color table | ||
raster = alg.getParameterValue('map') | ||
if raster in alg.exportedLayers.keys(): | ||
return | ||
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alg.setSessionProjectionFromLayer(raster, alg.commands) | ||
destFilename = alg.getTempFilename() | ||
alg.exportedLayers[raster] = destFilename | ||
command = 'r.in.gdal input={} output={} --overwrite -o'.format(raster, destFilename) | ||
alg.commands.append(command) | ||
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alg.setSessionProjectionFromProject(alg.commands) | ||
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region = unicode(alg.getParameterValue(alg.GRASS_REGION_EXTENT_PARAMETER)) | ||
regionCoords = region.split(',') | ||
command = 'g.region' | ||
command += ' -a' | ||
command += ' n=' + unicode(regionCoords[3]) | ||
command += ' s=' + unicode(regionCoords[2]) | ||
command += ' e=' + unicode(regionCoords[1]) | ||
command += ' w=' + unicode(regionCoords[0]) | ||
cellsize = alg.getParameterValue(alg.GRASS_REGION_CELLSIZE_PARAMETER) | ||
if cellsize: | ||
command += ' res=' + unicode(cellsize) | ||
else: | ||
command += ' res=' + unicode(alg.getDefaultCellsize()) | ||
alignToResolution = alg.getParameterValue(alg.GRASS_REGION_ALIGN_TO_RESOLUTION) | ||
if alignToResolution: | ||
command += ' -a' | ||
alg.commands.append(command) | ||
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def processCommand(alg): | ||
# We need to remove output | ||
output = alg.getOutputFromName('output') | ||
alg.exportedLayers[output.value] = output.name + alg.uniqueSufix | ||
alg.removeOutputFromName('output') | ||
alg.processCommand() | ||
alg.addOutput(output) | ||
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def processOutputs(alg): | ||
# We need to export the raster with all its bands and its color table | ||
output = alg.getOutputValue('output') | ||
raster = alg.getParameterFromName('map') | ||
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# Get the list of rasters matching the basename | ||
command = "r.out.gdal -t input={} output=\"{}\" createopt=\"TFW=YES,COMPRESS=LZW\"".format( | ||
alg.exportedLayers[raster.value], output) | ||
alg.commands.append(command) | ||
alg.outputCommands.append(command) |
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