[GRASS-dev] in trunk png/cairo d.vect overwrites previous images?

[Patrice Dumas]

On Tue, Jan 31, 2012 at 11:15:47AM +0100, Moritz Lennert wrote:
> >otherwise it doesn't really make sense as the elevation raster will not
> >appear on map.png.
> 
> Here's what I see as example on the page:
> 
> export GRASS_RENDER_IMMEDIATE=cairo
> export GRASS_PNGFILE=nc_spm.png
> export GRASS_WIDTH=800
> export GRASS_HEIGHT=800
> export GRASS_PNG_READ=TRUE
> 
> g.region rast=elevation
> d.rast map=elevation
> d.vect map=streams width=1 color=blue fcolor=aqua type=area,line
> d.vect map=roadsmajor width=2
> 
> 
> i.e. GRASS_PNG_READ is set... :-)

Ah, ok, I was looking at 
http://grass.osgeo.org/grass70/manuals/html70_user/pngdriver.html
There it is not set.

-- 
Pat