Re: [GRASS-user] use r.sun with monthly cloud cover data

2012-01-25 Thread Dylan Beaudette
On Wednesday, January 18, 2012, Hamish wrote: > Simone wrote: > > I would like to use the r.sun module to produce a map > > of montly solar > > radiation for a certain area. I would like to incorporate > > cloud cover > > data into the calculations, as well as information on local > > topography >

[GRASS-user] v.to.rast <-> r.to.vect, transformation of line features

2012-01-25 Thread Johannes Radinger
Hello, For a certain application I need to transform a river from the raster format into the vector format and vice versa. I'd like to know how good does it work to tranform a line feature from vector into raster and back again into a vector? Is there any "stable" line which doesn't change anymo

[GRASS-user] Selecting n cells more then minDist apart

2012-01-25 Thread Rainer M Krug
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi I need to select n cells on a raster map with no cell closer then minDist from any other selected cell. The distances can be larger - no problem - but they must not be smaller then minDist. I looked at r.random.cell with using distance= as the min

[GRASS-user] v.generalize: strange behaviour on win?

2012-01-25 Thread Paolo Cavallini
Hi all. Commands like: v.generalize input=province@Mapset_stefano type=area layer=1 -c type=boundary method=douglas threshold=10 look_ahead=7 reduction=50 slide=0.5 angle_thresh=3 degree_thresh=0 closeness_thresh=0 betweeness_thresh=0 alpha=1.0 beta=1.0 iterations=1 output=Province_general3 o

[GRASS-user] GRASS compilation in static mode

2012-01-25 Thread Gregory Giuliani
Dear all, Within my research activities I have developed a tool base on the Web Processing Service to execute GRASS on a distributed environment: http://www.sciencedirect.com/science/article/pii/S0098300411003402 For that, I was using a GRASS 32-bit snapshot (http://grass.osgeo.org/grass64/bina