[GRASS-dev] Re: a better console and better diff

[Glynn Clements]

Michael Barton wrote:

> If d.erase were implemented in the GUI console, how should it work?
> 
> 1) remove all maps and other displays from the layer tree
> 2) turn off all maps and other displays from the layer tree
> 
> #1 is what it did in an xmon, but that may not be the desired behavior in the current environment.

d.erase still exists, and works with direct rendering. The result a
blank image.

This may not be a great deal of use within the GUI, but it does work. 
It is useful in other contexts (e.g. creating the initial image if you
intend to use GRASS_PNG_READ=TRUE for subsequent commands).

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