[GRASS-user] Cross-validation output

2008-08-04 Thread Casagrande Luca
Hello everybody, I am using v.surf.rst to interpolate a bathymetry survey. Following the examples on the 3rd Grass Book, I have interpolated the results from the cross-validation procedure to check if there are areas that need a more accurate sampling. Most of the surface is ok, but there is a

Re: [GRASS-user] Compiling addons from svn repository

2008-08-04 Thread Moritz Lennert
On 04/08/08 14:52, gianluca massei wrote: Thanks Moritz , great tip! I'm working in a module that implemented ELECTRE algorithm. I've just finisced a module named /r.roughset/ for knowledg discovery with rough set based on rough set library. You can download the source code from grass wiki

Re: [GRASS-user] Compiling addons from svn repository

2008-08-04 Thread gianluca massei
I've clean up a little bit r.roughset and I've write some explanation note. In the next weeks I'll improve documentation (and the English !) Thanks Gianluca Moritz Lennert ha scritto: On 04/08/08 14:52, gianluca massei wrote: Thanks Moritz , great tip! I'm working in a module that

[GRASS-user] Seppo Kaitala/FIMR/FI is out of the office.

2008-08-04 Thread Seppo . Kaitala
I will be out of the office starting 04.08.2008 and will not return until 21.08.2008. I will respond to your message when I return. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Cross-validation output

2008-08-04 Thread Maris Nartiss
Hello Luca, first - double check Your data - are all data points OK. I have seem when in some location are two points with different values (operator error) and thus interpolated surface looks strange. second - generate segment map to see which points affect that strange area and probably

[GRASS-user] editing rasters

2008-08-04 Thread Juan Manuel Barreneche
Hello users! Is there a easier way to edit rasters than d.rast.edit or r.digit? i'm thinking of tools like those you find in common image editing programs like photoshop or gimp (brush, eraser, zoom in, zoom out, etc...); maybe even export a map and edit it with those programs? thank you very

Re: [GRASS-user] editing rasters

2008-08-04 Thread Nikos Alexandris
On Mon, 2008-08-04 at 16:57 -0300, Juan Manuel Barreneche wrote: Hello users! Is there a easier way to edit rasters than d.rast.edit or r.digit? i'm thinking of tools like those you find in common image editing programs like photoshop or gimp (brush, eraser, zoom in, zoom out, etc...);

Re: [GRASS-user] editing rasters

2008-08-04 Thread Nikos Alexandris
On Mon, 2008-08-04 at 22:51 +0200, Moritz Lennert wrote: On 04/08/08 22:19, Nikos Alexandris wrote: On Mon, 2008-08-04 at 16:57 -0300, Juan Manuel Barreneche wrote: Hello users! Is there a easier way to edit rasters than d.rast.edit or r.digit? i'm thinking of tools like those you

[GRASS-user] Compute volume of water using depth vector points.

2008-08-04 Thread Nagesh Bhatkar
Dear all, I imported and digitized a hydrographic chart for depth vector points in the ocean and vector lines along the coast enclosing these ocean waters. I am looking to the interpolate these randomly digitized depth points over a grid of any resolution and then later compute the volume of