[GRASS-dev] why d.vect.thematic won't run on WinGRASS - d.mon problem

[Glynn Clements]

Michael Barton wrote:

> > If you just want d.vect.thematic to work with WinGRASS, changing it to
> > use GRASS_RENDER_IMMEDIATE=TRUE instead of "d.mon start=PNG" would
> > probably be less work than getting monitors working.
> 
> In fact, we recently had to change d.vect.thematic to set  
> GRASS_RENDER_IMMEDIATE=FALSE so that it's multiple iterations of  
> d.vect would composite in the PNG monitor and then be output as a PNG  
> to the GUI.

You can use GRASS_PNG_READ=TRUE to have it read an existing file at
startup, rather than starting with a blank "screen". That way, each
command will overlay the output from previous commands.

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