Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-01 Thread Micha Silver
On 01/01/2012 01:38 AM, sgw00...@nifty.com wrote: Dear grass users; I would like to create 500m dem from 90m dem (SRTM). So, I am going to write a script as follows...is it right ? Here's how I would do: 1- Import the srtm, set resolution and region to

[GRASS-user] R.proj Problems Creating Table

2012-01-01 Thread Dave Kindem
Hello, I have created a vector layer from a database table in an XY location (accidents_xy). Both the topology and a database table (accidents_xy) seem to have been created correctly. When I try to re-project the layer into a UTM location using r.proj, I receive the following error: GRASS

Re: [GRASS-user] R.proj Problems Creating Table

2012-01-01 Thread Micha Silver
On 01/01/2012 15:43, Dave Kindem wrote: Hello, I have created a vector layer from a database table in an XY location (accidents_xy).  Both the topology and a database table (accidents_xy) seem to have been created correctly.  When I try to

Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-01 Thread SGW00412
Dear Micha and all Thank you for useful suggestions! I studied new vector extent with v.in.region, and interpolation should be not vector but raster. I'll try it, soon. Best Yasuo shimada: Japan weather association --- Micha Silver mi...@arava.co.ilさん: On 01/01/2012 01:38 AM,

Re: [GRASS-user] R.proj Problems Creating Table

2012-01-01 Thread Dave Kindem
Thanks Micha. I can now create the table. Dave Dave Kindem dkin...@gmail.com On Jan 1, 2012, at 8:55 AM, Micha Silver wrote: On 01/01/2012 15:43, Dave Kindem wrote: Hello, I have created a vector layer from a database table in an XY location (accidents_xy). Both the topology and a

Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-01 Thread Markus Neteler
2012/1/1 sgw00...@nifty.com: Dear Micha and all Thank you for useful suggestions! I studied new vector extent with v.in.region, and interpolation should be not vector but raster. Of course - the vector is just used to find the target area of the raster map. See also

Re: [GRASS-user] R.proj Problems Creating Table

2012-01-01 Thread Markus Neteler
2012/1/1 Micha Silver mi...@arava.co.il: ... Probably you have to first create an empty sqlite database. This should happen automatically. If not, I would consider it a bug. Does any other Mac, OS X 10.6.8 user have such a problem that the sqlite.db is not created automatically? Markus

Re: [GRASS-user] generate thematic map from a raster

2012-01-01 Thread Markus Neteler
On Sat, Dec 31, 2011 at 12:13 AM, Salvatore Mellino salvatore.mell...@gmail.com wrote: Hi, I want to generate a thematic map from a raster. I want to classify values with natural breaks method and I want to generate 5 classes and at the end I want color them. How can I do? Do you refer to

Re: [GRASS-user] r.in.gdal | libproj.so.0: cannot open shared object file

2012-01-01 Thread Markus Neteler
On Mon, Dec 19, 2011 at 11:02 AM, soumyo1001 soumyo1...@gmail.com wrote: Hi, I'm running GRASS 6.4.1 on my Fedora 15 system. I've installed all the other required libraries and packages. But each time I run GRASS in gui mode and start it I get this error : Unable to get current geographic

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

2012-01-01 Thread Markus Neteler
On Sat, Dec 24, 2011 at 6:12 AM, Shane Litherland litherland-f...@bigpond.com wrote: Hi all, this seems to be a serious thing! wxGUI, ubuntu 10.04, GRASS 6.4.2RC2; where did you get this from? Self-compiled? I created a new vector 'testing_vectors' for troubleshooting. obviously it was

Re: [GRASS-user] LIDAR tools and topology (unable to open ... on level 2)

2012-01-01 Thread Markus Neteler
On Sun, Dec 18, 2011 at 12:12 PM, Markus Metz markus.metz.gisw...@googlemail.com wrote: On Fri, Dec 16, 2011 at 7:03 AM, Micha Silver mi...@arava.co.il wrote: I find that after running each of the v.lidar.* the resulting vector lacks topology, so I can't view the categories: i.e. (after

[GRASS-user] GRASS doesn't find rasters after renaming mapset

2012-01-01 Thread Daniel Lee
Hi there, Happy New Year's first of all :) Something strange is happening when I rename mapsets. I'm running GRASS 6.4RC2 on OpenSUSE 12.1 64-bit. Often, when I rename a mapset - not always, but often - the rasters are no longer recognized. When I press CTRL+L to load layers, it also doesn't

Re: [GRASS-user] R.proj Problems Creating Table

2012-01-01 Thread Dave Kindem
Markus, Checking the database connection helped me identify the actual problem, which a bad VAR file in the location. Once I got rid of it and reconnected, r.project was able to create a new table. Dave Dave Kindem dkin...@gmail.com 616.402.0864 On Jan 1, 2012, at 2:47 PM, Markus Neteler

Re: [GRASS-user] How to create 500m DEM from 90m DEM

2012-01-01 Thread SGW00412
Dear Markus and all Of course - the vector is just used to find the target area of the raster map. Yes, I understood it. Thanks. So, at web site grass manual, I found 'r.resamp.interp' command. When I would like to create this under same datum and projection with only difference