[GRASSLIST:6978] Re: PS.MAP command -->overlay raster

Glynn Clements glynn at gclements.plus.com
Wed Jun 1 21:12:42 EDT 2005

Luca Penasa wrote:

> Im going to export some maps with the command ps.map. I need to overlay 
> two different raster, but the command cant do it. The first one is the 
> DTM (painted with its colors), the second one is a binary raster (that 
> contain two value: null() & 1). I need a command to overlay this two 
> raster... i can use r.mapcalc, but if i use it i'll have to redefinite 
> the color table.... is there a specific command to do what i said?

You will need to merge the maps into a single map as suggested by

ps.map doesn't support masked images (with transparent regions),
primarily because this feature requires a level 3 PostScript
implementation; levels 1 & 2 only support solid (rectangular) images.

Glynn Clements <glynn at gclements.plus.com>

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