Re: [GRASS-user] update cat column in vector data set

2012-08-20 Thread Moritz Lennert
On Fri, August 17, 2012 13:21, Stefan Luedtke wrote: > Thanks, that did the trick. > > I guess, in order to get a consecutive "cat", I do have to reclass > (v.reclass) the vector- or is there any shortcut? v.category option=del v.category option=add but this will erase any connections to attribut

Re: [GRASS-user] update cat column in vector data set

2012-08-20 Thread Stefan Luedtke
Thanks again. The shape is an sub-basin map the routing for a hydrological model is based on. So consecutive cats make it a bit easier to understand the routing of model- that all- ;-) Cheers, Stefan On Mon, 2012-08-20 at 09:22 +0200, Moritz Lennert wrote: > On Fri, August 17, 2012 13:21, St

[GRASS-user] Shell scripting basic issues

2012-08-20 Thread DavidRA
Hi, I'm currently exploring the GRASS capabilities for shell scripting. After the first steps I found that I don't see how to do some basic stuff. For example: Is there a way to access the matrix of cell values of a raster to get those values? If I were operating GRASS directly, I'd use r.what...

[GRASS-user] Vector import combo: db.in.ogr/v.in.db data type casting problem

2012-08-20 Thread Peter Löwe
hi, here is an issue (probably float/integer typcasting related) issue when importing a large CSV dataset of vector points into GRASS6.4.2. The data set contains hundreds of columns, so v.in.ascii is not an option (the columns option-string would be ungodly long). Instead, the data is transfor

[GRASS-user] how to know raster color table

2012-08-20 Thread Eduardo Klein
Hi, I have a raster layer and I want to know what color table or rules are currently assigned to it. r.info nor r.colors give me the info... Thanks, EKS -- Eduardo Klein Lab. Sensores Remotos y Análisis Geo-Espacial Centro de Biodiversidad Marina Universidad Simón Bolívar Caracas, Venezuela p

Re: [GRASS-user] Request for GRASS GIS case studies

2012-08-20 Thread Luigi Ponti
Dear Markus, On 02/08/2012 20:04, Markus Neteler wrote: Dear all, since outstanding things are done with GRASS GIS, we should better showcase the capabilities of this software. I would like to propose to write up case studies in the Wiki which would, at the same time, give visibility to you, yo

Re: [GRASS-user] how to know raster color table

2012-08-20 Thread Glynn Clements
Eduardo Klein wrote: > I have a raster layer and I want to know what color table or rules are > currently assigned to it. r.info nor r.colors give me the info... r.colors.out will export the colour table in the format accepted by r.colors. -- Glynn Clements __