[GRASS-dev] GRASS 6.3.0 release preparation

[Glynn Clements]

Michael Barton wrote:

> >> While we're on the subject of default preferences, I'd like to request that
> >> 'overlay' be the default for d.rast. Maybe I'm in the minority, but I nearly
> >> always want a raster to be able to overlay another so that the bottom one
> >> will show through the nulls of the top one--unless I want to set the nulls
> >> to some specific background color.
> > 
> > AFAICT, the -o switch is an artifact of 4.x lacking a distinct null
> > value.
> 
> So is my suggestion doable? Maybe leave in -o for backward compatibility but
> have it do nothing, since this would be default behavior anyway. A script
> that depended on having nulls opaque (white) by leaving out the -flag and
> not setting a color probably would not be seriously harmed by this, though
> any underlying map might show through.

I'd say leave it for 7.x.

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