[GRASS-dev] display monitor (how to everlay 2 layers)

[Martin Landa]

Hi,

2015-03-03 16:23 GMT+01:00 epi <massimodisasha at gmail.com>:
> GRASS_TRANSPARENT=TRUE
> GRASS_TRUECOLOR=TRUE
> GRASS_PNG_COMPRESSION=9
> GRASS_PNG_AUTO_WRITE=TRUE
> export GRASS_TRANSPARENT GRASS_TRUECOLOR GRASS_PNG_COMPRESSION GRASS_PNG_AUTO_WRITE

render-related variables has been renamed to GRASS_RENDER_, see [1].

> os.environ['GRASS_RENDER_IMMEDIATE'] = 'png'
> os.environ['GRASS_RENDER_FILE'] = 'pfile3.png'
> os.environ['GRASS_RENDER_FILE_COMPRESSION'] = '9'
> os.environ['GRASS_RENDER_WIDTH'] = '640'
> os.environ['GRASS_RENDER_HEIGHT'] = '480'
> os.environ['GRASS_RENDER_TRANSPARENT']='TRUE'
>
> monitor_old = None
> genv = gisenv()
> if 'MONITOR' in genv:
>     monitor_old = genv['MONITOR']
>     g.gisenv(unset='MONITOR')
>
> d.vect(map='p')
> d.rast(map='basemap')
> ###
>
> this time the png is generated, but i'm no more able to overlay 2 different layers to compose my map ...

You need to define GRASS_RENDER_READ_FILE='TRUE'. Martin

[1] http://grass.osgeo.org/grass70/manuals/variables.html#list-of-selected-grass-environment-variables-for-rendering

-- 
Martin Landa
http://geo.fsv.cvut.cz/gwiki/Landa
http://gismentors.cz/mentors/landa