Hello Hamish, Hamish <[EMAIL PROTECTED]> writes:
> Roger Mason wrote: > >> > why not takeing real DEMs? The SRTM dataset is for free and can be >> > used with grass. >> >> Because I want to make specific landscape shapes. It would be an >> immense labour to search the archive of DEM's to find what I want. > > Another idea is to use r.mapcalc to make a gaussian bell etc. Thank you, I'll give that a try. >> > take a look at r.surf.fractal which is creating synthetic DEMs >> > for you. >> >> I have GRASS installed on two machines. r.surf.fractal worked fine on >> my machine at home (6.2.1) but does not exist on my work machine (also >> 6.2.1). In both cases GRASS was installed from source. Can you tell >> me what libraries r.surf.fractal depends on so I can figure out how to >> re-configure and re-build? > > GRASS needs to be built with FFTW support for r.surf.fractal to work. > Note about that just added to the help page. Yes, after poking around I guessed that might be the case and rebuilt with fftw support but have not tested yet. Thanks for confirming my suspicions. Many thanks for your help. Roger _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser
