[GRASS5] r.colors bug

[Glynn Clements]

Radim Blazek wrote:

> GRASS 5.7 (probably also 5.3),
> 
> $ARCH/etc/colors/gyr:
> 0% green
> 50% yellow
> 100% red
> 
> r.colors map=pok color=gyr
> 
> -> colr/pok
> % 0 255
> 0:0:255:0 127.5:255:255:0
> 127.5:255:255:0 255:255:0:0
> 0:255
> 
> i.e. 0 set to white.

Unless someone has changed it, the color= option uses the coded rules;
e.g. color=gyr uses G_make_gyr_fp_colors(), which has the hardcoded
0=white rule.

IOW this bug/feature is in the various G_make_*_colors() functions in
libgis.

-- 
Glynn Clements <glynn.clements at virgin.net>