[GRASSLIST:7164] Re: substitute to r.mask & r.to.sites in GRASS 6

[Otto Dassau]

Am Mittwoch, 15. Juni 2005 13:24 schrieb Karl Broich:
> Hello GRASS-list-member,
>
> is there any substitute or work-around to r.mask and r.to.sites in GRASS 6
> ? 

Hi,

a) you can create masks with r.mapcalc. Examples are given in the manpages or 
the g60 tutorial:

http://grass.itc.it/grass60/manuals/html60_user/r.mapcalc.html
http://www.gdf-hannover.de/lit_html/grass60_v1.1_en/node72.html

b) 'r.to.sites' in GRASS 5 is 'r.to.vect' in GRASS 6. 

> I would need this to convert a masked raster patch (DEM) to an equivalent 
> set of vector points, which again I intend to triangulate using v.delaunay.

 regards,
    Otto