[gdal-dev] Raster Color map in python

[Even Rouault]

Le dimanche 18 mai 2014 17:55:49, kalu671 a écrit :
> I have a reference raster map and list of other rasters. I want to get
> color table from reference map and set to the list using python. I can
> read other parameters from raster but some how I can not get the color
> table
> (GetRasterColorTable())from the source file, let alone setting the table
> (SetRasterColorTable())to the list. I am pasting some code lines here.
> Could someone help me figuring this out? or suggesting another easy
> solution?
> 
> There is another similar thread but that is related to C#. I tried to
> follow that in python but didn't help.
> 
> SourceFile = "source.tif"
> targetFile = "target.tif"
> 
> rastDriver    = gdal.GetDriverByName('gtiff')
> rastDriver.Register()
> 
> inSourceFile   = gdal.Open(SourceFile)
> inTargetFile   = gdal.Open(targetFile)
> 
> ## reading parameters of source file
> col 		= inSourceFile.RasterXSize
> row		= inSourceFile.RasterYSize
> bands	 	= inSourceFile.RasterCount
> ct	        = inSourceFile.GetRasterColorTable() # the code stops working


--> Color tables are attached to bands, not datasets. so you have to do 
something like inSourcefile.GetRasterBand(1).GetRasterColorTable()

> from this line if I comment out        this line the code goes through
> GeoT 		= inSourceFile.GetGeoTransform()
> proj 		= inSourceFile.GetProjection()
> 
> 
> Thank you in Advance for your help
> 
> 
> 
> 
> 
> 
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