Re: [GRASS-user] Re: how to read 3 bands as single band image using grass gis

2010-11-05 Thread Jarek Jasiewicz
bharath s pisze: hello i want to read an image (tiff ) file from grass ...if i run r.in.gdal it is coming as 3 bands ...please help me how can i read as a single band i have tried Tiff , Envi image , HDF and Ntiff formats,Ascii but it came 3 bands.. -- bharath.s

Re: [GRASS-user] Re: how to read 3 bands as single band image using grass gis

2010-11-05 Thread Markus Neteler
On Fri, Nov 5, 2010 at 7:05 AM, Jarek Jasiewicz jar...@amu.edu.pl wrote: bharath s pisze: hello         i want to read an image (tiff ) file from grass ...if i run r.in.gdal it is coming as 3 bands ...please help me how can i read as a single band  i have tried Tiff , Envi image , HDF and

[GRASS-user] Having some difficulties with v.to.rast

2010-11-05 Thread Luisa Peña
Greetings I have thwe following vector file: v.info map=test...@brazil ++ | Layer: test...@brazil | | Mapset: Brazil | | Location:Brazil | | Database:C:\Brazil

Re: [GRASS-user] Having some difficulties with v.to.rast

2010-11-05 Thread Achim Kisseler
Hi, there are no areas, because there are no centroids. You can add centroids via v.centroids. You always have to choose a use-parameter, otherwise the module does not know, which numbers it has to generate. Achim Am 05.11.2010 14:02, schrieb Luisa Peña: | Number of points: 0

[GRASS-user] Re: Having some difficulties with v.to.rast

2010-11-05 Thread Luisa Peña
Thanks for your feedback Achim Now I did: v.centroids --overwrite input=test...@brazil output=teste01_centr...@brazil cat=1 step=0 Vector map teste01_centroid already exists and will be overwritten Processing features... 2 new centroids placed in output map Copying attribute table(s)... Building

Re: [GRASS-user] Re: Having some difficulties with v.to.rast

2010-11-05 Thread Achim Kisseler
Am 05.11.2010 15:31, schrieb Luisa Peña: v.to.rast --overwrite input=teste01_centr...@brazil output=teste01centr...@brazil use=val value=5 But I do have 1 (last) question: When I use the Query pixel value feature, I get this: 568209.941176|9248338.294118||5|Value 5 Does this means that each

Re: [GRASS-user] v.dissolve for lines?

2010-11-05 Thread Bryan Keith
On 10/19/2010 11:17 PM, Bryan Keith wrote: Hello, I have a vector line file that has lots of two-vertex lines. Many of these two-vertex lines share endpoints and really just make parts of one longer line. I'd like to dissolve these lines into one line when they have the same end point.

[GRASS-user] Re: problem with i.gensigset

2010-11-05 Thread Micha Silver
Hello Natalia: (Returning to the list - perhaps someone else can help also) On 11/05/2010 03:20 PM, Sofina Natalia wrote: Am 04.11.2010 20:20, schrieb Micha Silver: The too many subclasses is not necessarily an error. I believe that it means one classification is too complicated, that is

Re: [GRASS-user] v.dissolve for lines?

2010-11-05 Thread Micha Silver
On 11/05/2010 09:59 PM, Bryan Keith wrote: On 10/19/2010 11:17 PM, Bryan Keith wrote: Hello, I have a vector line file that has lots of two-vertex lines. Many of these two-vertex lines share endpoints and really just make parts of one longer line. I'd like to dissolve these lines into

[GRASS-user] creating network only input points

2010-11-05 Thread Ricardo Rodríguez
hello. how to create a network so that nodes are only the input points , as this grass gis adding nodes that make noise in my calculations, as are the beginning and end of each line and points outside the same network, this to be, and how I can make a network with my real points only. I am

Re: [GRASS-user] Re: how to read 3 bands as single band image using grass gis

2010-11-05 Thread Glynn Clements
bharath s wrote: i want to read an image (tiff ) file from grass ...if i run r.in.gdal it is coming as 3 bands ...please help me how can i read as a single band i have tried Tiff , Envi image , HDF and Ntiff formats,Ascii but it came 3 bands.. You can read a single band by