Re: [GRASS-user] Extracting centroids as a raster (and are these centroids really at the center?)

2012-01-08 Thread Markus Neteler
On Tue, Jan 3, 2012 at 3:15 PM, Marcello Gorini wrote: > Dear all, > > I need to extract the center of raster areas as another raster. > > Since my script is totaly raster-based (and I am not used to using vectors), > I tried to find some kind of r.thin that would generate the centroids, > instead

Re: [GRASS-user] GRASS 6.4.2RC2 crashing during digitising

2012-01-08 Thread Shane Litherland
Hi Martin, Markus; appreciate this guidance, I probably glossed over this tip somewhere in the manuals, you've saved me a bit of study time. Now for me to put it to use to help save you some time when it comes to deciphering my problematic posts ;-) Bear with me, I've got several paddocks worth o

Re: [GRASS-user] tabbing between multiple displays in manager

2012-01-08 Thread Shane Litherland
Hi Anna, Thanks for that note :-) It's not something I'm desperately needing, so I won't jump up to 6.5 or 7, I'll stay with the 6.4.x's for now (as i'm more a novice user than developer) and it will be something to appreciate when 7 gets to release stage :-) Or a nice surprise if it gets backport

Re: [GRASS-user] digitising area crashes GRASS in wx GUI

2012-01-08 Thread Shane Litherland
Hi Markus, I guess, yes, it was self compiled...? i.e. downloaded compressed file from GRASS website, unzipped and installed via terminal commands, along with suitable other packages as per info in the readme's or on GRASS or Ubuntu websites. I'm not doing it completely from scratch with binarie

Re: [GRASS-user] problems with colors resulting of an image fusion

2012-01-08 Thread Markus Neteler
On Fri, Jan 6, 2012 at 5:42 PM, Moritz Lennert wrote: > Hi everyone, > > I have some troubles with image fusion through IHS transformation of a > Landsat image. Hi Moritz, could you please post the procedure you used? Markus ___ grass-user mailing lis

[GRASS-user] can I change vector display defaults

2012-01-08 Thread Stephen Sefick
All, I would like to be able to change the vector display defaults. I would like to use a circle for points instead of the x. I would also like to display areas without centroids and turn the opacity down. How would I accomplish this. I am running grass (ubuntu 10.04 package manager insta