[GRASS5] [bug #3081] (grass) Raster with 256 levels per color fails to show

Glynn Clements glynn at gclements.plus.com
Sun Mar 13 18:59:17 EST 2005


Request Tracker wrote:

> this bug's URL: http://intevation.de/rt/webrt?serial_num=3081

> Subject: Raster with 256 levels per color fails to show

> GRASS Version: 6.0.cvs 20050212

> Rasters created with r.composite and 256 levels systematically fails
> to show. It works with 32 levels.

Using "r.composite ... levels=256" will result in rasters with huge
colour tables (65536 rules). Operations which use the colour table
(e.g. d.rast) may be slow and/or consume large amounts of memory
(possibly more memory than is available, resulting in the program
terminating abnormally).

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




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