[GRASS-dev] Grass SVN in Android, display issue

Glynn Clements glynn at gclements.plus.com
Sun Sep 23 01:47:42 PDT 2012


Sören Gebbert wrote:

> i have tested the raster3d library and most of the related modules intensively.
> I rediscovered an ugly bug in the 3D raster run length encoding (RLE)
> compression implementation  and modified the library test to catch it.
> I am unable to fix the RLE compression bug.

Can you elaborate on this RLE bug?

> But it seems to me that
> the existing
> LZW tile compression is sufficient without using RLE. As consequence i
> have switched off the use of RLE, only compression using LZW  is now
> supported.

The raster3d library uses zlib (LZ77) compression, not LZW. It has a
compile-time option to use LZW, but the relevant G_lzw_* functions
don't exist.

-- 
Glynn Clements <glynn at gclements.plus.com>


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