[GRASSLIST:1957] Re: Tasseled Cap Vegetation Index

[Glynn Clements]

ziyadin wrote:

> I have a DEM file in grass raster format. I have also imported a ppm
> image as 
> a raster file and I can visualise it wiht d.raster without any problem.
> Now I want to drape this image over my DEM.
> I have being trying to figure out how to do it using nviz. 
> I have checked the grass mail list archive but not much help.
> It seems nviz accepts sites or vector file to drape. I converted the
> image
> to sites file (r.to.sites) and tried to drape but no success.
> I would appretiate any hints. 

You can do it interactively.

Once nviz has started, select the "Surfaces" entry from the "Panel"
menu, then click the "color" button in the surface panel. Click "New
Map", select the image, then click "Accept".

-- 
Glynn Clements <glynn.clements at virgin.net>