Re: [GRASS-user] A question about raster map resolutions

2016-09-20 Thread Micha Silver
On 21/09/2016 02:30, Rich Shepard wrote: The LiDAR source location has x- and y-resolution of 3 feet (international) and several thousand cells east-west and north-south. g.region -p for this location displays: projection: 99 (unnamed) zone: 0 datum: ** unknown (default: WGS84)

Re: [GRASS-user] A question about raster map resolutions

2016-09-20 Thread Helmut Kudrnovsky
Rich Shepard wrote > The LiDAR source location has x- and y-resolution of 3 feet > (international) and several thousand cells east-west and north-south. > g.region -p for this location displays: > > projection: 99 (unnamed) > zone: 0 > datum: ** unknown (default: WGS84) ** > ellipsoid:

[GRASS-user] A question about raster map resolutions

2016-09-20 Thread Rich Shepard
The LiDAR source location has x- and y-resolution of 3 feet (international) and several thousand cells east-west and north-south. g.region -p for this location displays: projection: 99 (unnamed) zone: 0 datum: ** unknown (default: WGS84) ** ellipsoid: grs80 north:

[GRASS-user] Optimal Window Size in r.forestfrag?

2016-09-20 Thread Ross Wardrup
Hi all, I'm using r.forestfrag to find forest patches in Texas (entire state) but am struggling to figure out a good methodology for determining the optimal window size. The default is 3x3 but I need to be able to make an objective determination vs. just going with the default setting. Does

Re: [GRASS-user] Importing MrSID files [RESOLVED]

2016-09-20 Thread Rich Shepard
On Tue, 20 Sep 2016, Rich Shepard wrote: Now that is really interesting. Running 'gdalinfo --formats' produces a list that does not include MrSid, which explains why grass did not want to import the .sid file. Time to recompile gdal. I had an old version of gdal installed and just upgraded

Re: [GRASS-user] Importing MrSID files [RESOLVED]

2016-09-20 Thread Rich Shepard
On Tue, 20 Sep 2016, Daniel Victoria wrote: From what I read, you should point to the .sid file. But check if your gdal is compiled with MrSID support. A gdalinfo on the file should inform you if your gdal install can handle such files Daniel, Now that is really interesting. Running

Re: [GRASS-user] Importing MrSID files [RESOLVED]

2016-09-20 Thread Daniel Victoria
>From what I read, you should point to the .sid file. But check if your gdal is compiled with MrSID support. A gdalinfo on the file should inform you if your gdal install can handle such files On Tue, Sep 20, 2016 at 4:07 PM, Rich Shepard wrote: > On Tue, 20 Sep 2016,

Re: [GRASS-user] Importing MrSID files [RESOLVED]

2016-09-20 Thread Rich Shepard
On Tue, 20 Sep 2016, Rich Shepard wrote: Never mind. I looked up the EPSG code and entered that directly. However, I'm not finding the correct file at which to point grass. r.in.gdal fails because it cannot find any bands. My web searches on how to import a MrSID file all point me to the

Re: [GRASS-user] Importing MrSID files [RESOLVED]

2016-09-20 Thread Rich Shepard
On Tue, 20 Sep 2016, Rich Shepard wrote: Which file should I use to inform the grass GIS of the MrSID projection? Never mind. I looked up the EPSG code and entered that directly. Rich ___ grass-user mailing list grass-user@lists.osgeo.org

[GRASS-user] Importing MrSID files

2016-09-20 Thread Rich Shepard
A DRG file is in MrSID format with these files available: drg_s_or071.aux, drg_s_or071.sid, drg_s_or071.sid.xml, drg_s_or071.sdw, and drg_s_or071.sid.html. The accompanying .txt file tells me the projection is UTM Zone 10. To create a new location for this map I need to specify the file

[GRASS-user] v.edit tool=merge

2016-09-20 Thread Vincent Bain
Hi, on a fresh (r69498) trunk version of grass, I have a problem running a v.edit command on a map. Given a vector map composed of 200 contour lines splitted in roughly 17000 line segments (adjacent nodes perfectly overlapping), I need to "unsplit" these contours. If I try to run the following

Re: [GRASS-user] How to print a table with the values of a given raster layer aggregated by a second raster layer ?

2016-09-20 Thread Antonello Lobianco
Thanks all to have pointed me to the right pages. I solved with the r.univar command: r.univar -t map=forestArea zones=regionId separator=comma output=forestArea_by_region.csv Cheers, /Antonello On 19 September 2016 at 21:59, Markus Neteler wrote: > On Mon, Sep 19, 2016

[GRASS-user] GRASS GIS 7.0.5RC2 released

2016-09-20 Thread Markus Neteler
* We are pleased to announce the second release candidate of GRASS GIS 7.0.5 * *What's new in a nutshell* The new GRASS GIS 7.0.5RC2 release provides *100 stability fixes and manual improvements* compared to 7.0.4. *About GRASS GIS 7*: Its graphical user interface supports the user to make