[GRASS5] [bug #3587] (grass) v.to.rast: assign a proper color table to the output

Brad Douglas rez at touchofmadness.com
Tue Aug 30 13:08:36 EDT 2005


On Tue, 2005-08-30 at 12:14 +0200, Markus Neteler wrote:
> On Mon, Aug 29, 2005 at 10:40:44AM -0400, Helena Mitasova wrote:
> > Markus Neteler via RT wrote:
> > >Related to the v.to.rast color table problem there might
> > >be below code in:
> > >vector/v.to.rast/support.c
> > >
> > >
> > >
> > >int
> > >update_fcolors (char *raster_name)
> > >{
> > >    struct Colors colors;
> > >
> > >    /* G_read_fp_range(raster_name, G_mapset(), &range); */
> > >    /* G_get_fp_range_min_max(&range, &min, &max);       */
> > >    G_make_rainbow_colors(&colors, 0, 360);
> > >    G_write_colors(raster_name, G_mapset(), &colors);
> > >
> > >    return 0;
> > >}
> > >
> > >
> > >Should it be min max instead of 0 360?
> > 
> > yes,  I am guessing that this color table was there for v.to.rast2 for 
> > the line direction angle - min,max should cover it.
>  
> I have update v.to.rast to use min/max instead of 0..360
> for floating point maps for the rainbow color table.
> Also updated:
> 
> - rainbow instead of random colors for integer maps (for consistency).
> - description [1]
> 
> Markus
> 
> [1] If developers update a module, please also update the description.html...
>     Hot candidates: the SQL related pages

Oops.  I think that was my all doing when I added Helena's changes to
output flow direction.  I'll update the description.html immediately.


-- 
Brad Douglas <rez at touchofmadness.com>




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