[gdal-dev] Troubleshooting palette management. Potential bug in palette for overviews?

[Even Rouault]

On jeudi 8 mars 2018 15:32:09 CET Daniele Romagnoli wrote:
> Hi Even,
> I'm resurrecting this old post since I think we have (GeoServer) been hit
> by that problem again (although I'm not 100% sure about that).
> http://osgeo-org.1560.x6.nabble.com/Geotiff-pyramids-non-transparant-while-o
> riginal-is-transparent-td5357343.html
> 
> Do you know if there is any plan to fix  https://trac.osgeo.org/gdal/
> ticket/2213?

Daniele,

there was no "plan", but seing this is a 10-year long lasting issue made me sad, so I've just 
pushed a fix... As suggested in this discussion thread, I've used 257 as factor for 
multiplication/division hopefully all over the relevant places.

Even

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