[GRASS-dev] grass6.2?

[Glynn Clements]

Michael Barton wrote:

> >>> So, should I commit the changes to libraster to allow driver-less
> >>> rendering?
> >> 
> >> Does this mean that I can change gis.m to render with out running d.mon?
> > 
> > Yes.
> > 
> >> Anything I would have to know about setting environments to do this?
> > 
> > If the environment variable GRASS_RENDER_IMMEDIATE is set to TRUE,
> > libraster uses the built-in "PNG driver" instead of connecting to a
> > monitor. All of the environment variables which the PNG driver
> > understands apply to immediate rendering.
> > 
> > This should be backwards-compatible, i.e. so long as you don't set
> > GRASS_RENDER_IMMEDIATE, everything should work as before.
> > 
> > I've attached the code in case anyone wants to try it now.
> 
> What about geometry? We have to stop d.mon gism, reset the geometry, and
> restart gism. How is this handled in the new system?

As with the PNG driver, the dimensions are taken from GRASS_WIDTH and
GRASS_HEIGHT, defaulting to 640 and 480 respectively.

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