[GRASS-dev] Re: windows binaries

Glynn Clements glynn at gclements.plus.com
Tue Nov 14 23:55:51 EST 2006

Hamish wrote:

> > > Here's an idea: if direct rendering had an option to initialise the
> > > framebuffer from an image file (or PPM/PGM pair), building up an
> > > image by having multiple d.* commands render on top of each other
> > > would work, in the same way that it does with persistent drivers.
> > 
> > I've added this feature to libpngdriver (so it affects both the
> > standalone PNG driver and direct rendering).
> > 
> > If you set GRASS_PNG_READ to TRUE, it will read $GRASS_PNGFILE (either
> > a PNG file or PPM/PGM pair) into the framebuffer at startup. This
> > allows you to build up a rendered image by overlaying multiple d.*
> > commands.


> could you add a description of it to lib/init/variables.html ?
>  (internal use section)

Done (I've added it to the PNG driver section).

Glynn Clements <glynn at gclements.plus.com>

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