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68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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extractprojection.py
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---------------------
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Date : September 2013
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Copyright : (C) 2013 by Alexander Bruy
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Email : alexander dot bruy at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Alexander Bruy'
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__date__ = 'September 2013'
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__copyright__ = '(C) 2013, Alexander Bruy'
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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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##Input_file=raster
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##Create_prj_file=boolean False
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##[GDAL] Projections=group
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import os
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from osgeo import gdal, osr
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from processing.gdal.GdalUtils import GdalUtils
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raster = gdal.Open(unicode(Input_file))
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crs = raster.GetProjection()
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geotransform = raster.GetGeoTransform()
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raster = None
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outFileName = os.path.splitext(unicode(Input_file))[0]
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# create prj file requested and if projection available
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if crs != "" and Create_prj_file:
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# convert CRS into ESRI format
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tmp = osr.SpatialReference()
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tmp.ImportFromWkt( crs )
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tmp.MorphToESRI()
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crs = tmp.ExportToWkt()
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tmp = None
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prj = open(outFileName + '.prj', 'wt')
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prj.write( crs )
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prj.close()
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# create wld file
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wld = open(outFileName + '.wld', 'wt')
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wld.write("%0.8f\n" % geotransform[1])
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wld.write("%0.8f\n" % geotransform[4])
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wld.write("%0.8f\n" % geotransform[2])
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wld.write("%0.8f\n" % geotransform[5])
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wld.write("%0.8f\n" % (geotransform[0] + 0.5 * geotransform[1] + 0.5 * geotransform[2]))
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wld.write("%0.8f\n" % (geotransform[3] + 0.5 * geotransform[4] + 0.5 * geotransform[5]))
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wld.close()
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