Re: [GRASS-user] Points Map [FIXED]

2011-08-23 Thread Markus Metz
On Wed, Aug 24, 2011 at 12:48 AM, Rich Shepard wrote: > On Tue, 23 Aug 2011, Rich Shepard wrote: > >> GRASS 6.5.svn (Oregon):~/grassdata/Oregon/beaver_lake > d.vect >> map=proj_pts >> WARNING: Unable to display areas, topology not available > >  Rebuilding the topology fixed the problem. I thought

Re: [GRASS-user] Points Map [FIXED]

2011-08-23 Thread Rich Shepard
On Tue, 23 Aug 2011, Rich Shepard wrote: GRASS 6.5.svn (Oregon):~/grassdata/Oregon/beaver_lake > d.vect map=proj_pts WARNING: Unable to display areas, topology not available Rebuilding the topology fixed the problem. I thought that points had no topology as they are unrelated to each other.

[GRASS-user] Points Map

2011-08-23 Thread Rich Shepard
When I first ran analyses and created maps for this project it was about 18 months ago, and my notes are not as complete as I would wish. I have an ASCII file with 5 rows and 3 columns: easting, northing, and label. I ran that through v.in.ascii (after setting the region appropriately) and it

Re: [GRASS-user] Map algebra maximum value

2011-08-23 Thread Markus Metz
On Tue, Aug 23, 2011 at 1:40 PM, Salvatore Mellino wrote: > Hi, > > I have a problem, I have 4 rasters for the same region, I want to generate > another raster that contains only the maximum value for each cell and I want > to know from which starting raster it comes. It is possible? Which is th

[GRASS-user] Re: winGrass and v.distance error

2011-08-23 Thread Helmut Kudrnovsky
hi, >v.distance from=txtloc@PERMANENT to=RA@PERMANENT to_type=line,area upload=cat column=cat to_column=RA_CODE try to choose another column than "cat", I've tested with the nc-sample-dataset by WinGRASS-6.4.SVN-r47802-1-Setup.exe: g.copy vect=bridges@PERMANENT,mybrigdes g.copy vect=lakes@PERMA

[GRASS-user] Map algebra maximum value

2011-08-23 Thread Salvatore Mellino
Hi, I have a problem, I have 4 rasters for the same region, I want to generate another raster that contains only the maximum value for each cell and I want to know from which starting raster it comes. It is possible? Which is the command? Thanks a lot. Salvatore

Re: [GRASS-user] r.sun with opencl

2011-08-23 Thread Daniel Lee
Hi Markus, No, I haven't yet, but thanks for the tip, I'll give it a try :) Daniel On Mon, Aug 22, 2011 at 10:49 PM, Markus Neteler wrote: > Hi Daniel, > > On Mon, Aug 22, 2011 at 5:42 PM, Daniel Lee wrote: > > Dear list, > > > > I'm not sure if it would be better to ask here or in the develo