Re: [GRASS-user] using r.resamp.stats- When I reach a tie
Hi Glynn. Thanks for your answer. Is there any other alternative, to resample data, that uses another approach to solve tie events? THanks Antonio Glynn Clements wrote: António Rocha wrote: I'm planning on using r.resamp.stats in order to resample a grid to a coarser resolution. Since I'm using this function with classes I will use mode method (more frequentclass to fall into a destination cell is the chosen). My question is: when I have a tie between two classes, how does GRASS decides which class shall be chosen? In the event of a tie, the lowest-numbered category is chosen. __ Information from ESET NOD32 Antivirus, version of virus signature database 5912 (20110227) __ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] New User
If you are intending to use GIS for visualization and data conversion, maybe better to use something easy to start off, like QGIS: http://www.qgis.org/wiki/Download#Release_2 You have GRASS plugin there if needed. But usually you should be able to do export the files to other OGR/GDAL supported formats from within QGIS. Regards Sab On Sun, 2011-02-27 at 23:25 -0800, Hamish wrote: Thomas wrote: I am a new user, just discovered grass and OSGeo. My current interest is accessing the files from NaturalEarthData, converting them into matlab format, and, using octave to manipulate and/or plot. I use Linux and Unix. Octave 3.4.0, Gnuplot, Grass 6.4.0. This workstation has Ubuntu 10.04. I downloaded the 10m-admin-0-countries.zip and 10m-admin-0-boundary-lines-land.zip files from NaturalEarthData. I want to use grass to display some portion of the data. Then, use r.out.mat to generate a octave compatible binary file. I started looking at the manual, but, quickly became confused. that would be my fault. Is there a simple how to for what I want to do? Could you explain your workflow a bit more? there are many choices. In general it's not so bad, and you can do matlab/oct to and from grass without much hassle. natural earth is polyline data, so vector thus v.* modules. 2D array is raster data, so r.* modules. see v.to.rast and r.to.vect modules. do you have 2D arrays in matlab/octave from contourf() or similar and you want to fill(), area(), or patch() a polygon coastline over the top? see http://grass.osgeo.org/wiki/Addons#v.out.ascii.mat are you using the (free/gratis) m_map toolbox? http://www.eos.ubc.ca/~rich/map.html or matlab's mapping toolbox? (which is using proj4, same as us) do you wish to rasterize the natural earth polygons into a 2D array? see v.to.rast + r.out.mat do you want to bring your matlab data into grass and plot it there? see r.in.mat, or v.in.lines, v.in.mapgen. the first step is to bring the data into grass with v.in.ogr. Hamish ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Re: How to merge rasters using feathering/blending ?
You can create a buffer zone between your 2 dataset where they merge and set the buffer to null values. Then using r.fillnulls Thanks. This works fine for elevation data but not for satellite imagery. g.region rast=map1,map2 r.series in=map1,map2 out=both_maps method=average Thanks. But this is not really a smooth blending/fading/feathering ? Any alternatives ? Kaipi -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/How-to-merge-rasters-using-feathering-blending-tp6061489p6073011.html Sent from the Grass - Users mailing list archive at Nabble.com. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Re: How to merge rasters using feathering/blending ?
If you are working with Images, maybe try to use GIMP. It has stitching and smoothing/blending options. I use them quite often for my photos. Regards Sab On Mon, 2011-02-28 at 04:05 -0800, kaipi wrote: You can create a buffer zone between your 2 dataset where they merge and set the buffer to null values. Then using r.fillnulls Thanks. This works fine for elevation data but not for satellite imagery. g.region rast=map1,map2 r.series in=map1,map2 out=both_maps method=average Thanks. But this is not really a smooth blending/fading/feathering ? Any alternatives ? Kaipi ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Re: How to merge rasters using feathering/blending ?
Gimp is fine if you have a smal number of scenes but I need to process large amounts of scenes where I need an automated way to feather the seam lines. -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/How-to-merge-rasters-using-feathering-blending-tp6061489p6073453.html Sent from the Grass - Users mailing list archive at Nabble.com. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] calculating average value over a base map
Monica, try to use r.statistics with the average function/method. Pass you maps through the cover= and base= parameters... Christian. From: Monica Buescu Sent: Monday, February 28, 2011 4:27 PM To: GRASS user list Subject: [GRASS-user] calculating average value over a base map Greetings I have a map with values and a base map created with r.clump. How can I calculate the average of values that falls inside each cluster defined by r.clump? Thanks Best regards, Monica ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] calculating average value over a base map
Greetings Christian Unfortunely it only works with CELL values. For instance, r.median uses more than just CELL. Is there any other alternative? Beucase for mode and median there is specific functions. Thamls Best regards, Monica On Mon, Feb 28, 2011 at 3:55 PM, Christian Schwartze christian.schwar...@uni-jena.de wrote: Monica, try to use r.statistics with the average function/method. Pass you maps through the cover= and base= parameters... Christian. *From:* Monica Buescu monicabuescu1...@gmail.com *Sent:* Monday, February 28, 2011 4:27 PM *To:* GRASS user list grass-user@lists.osgeo.org *Subject:* [GRASS-user] calculating average value over a base map Greetings I have a map with values and a base map created with r.clump. How can I calculate the average of values that falls inside each cluster defined by r.clump? Thanks Best regards, Monica -- ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] calculating average value over a base map
If you want to deal with raster value types other than CELL, you can use the –c flag in r.statistics in order to process the labels. Therfore, you have to copy your cat values to the category labels first... Regards, Christian. From: Monica Buescu Sent: Monday, February 28, 2011 5:16 PM To: Christian Schwartze Cc: GRASS user list Subject: Re: [GRASS-user] calculating average value over a base map Greetings Christian Unfortunely it only works with CELL values. For instance, r.median uses more than just CELL. Is there any other alternative? Beucase for mode and median there is specific functions. Thamls Best regards, Monica On Mon, Feb 28, 2011 at 3:55 PM, Christian Schwartze christian.schwar...@uni-jena.de wrote: Monica, try to use r.statistics with the average function/method. Pass you maps through the cover= and base= parameters... Christian. From: Monica Buescu Sent: Monday, February 28, 2011 4:27 PM To: GRASS user list Subject: [GRASS-user] calculating average value over a base map Greetings I have a map with values and a base map created with r.clump. How can I calculate the average of values that falls inside each cluster defined by r.clump? Thanks Best regards, Monica -- ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] calculating average value over a base map
Hello Christian. I believe I didn't quite understand what you have said but I think that is not the way. My basemap is a r.clump output in CELL format that ranges from 1 til 1700 or something my cover map is NDVI that ranges from -1 (near) til 1 (near) and is a FCELL. My Objective. calculate for each clump, the average of NDVI pixels If I do: r.statistics -c base=new_clump cover=2007_ndvi method=average I get: ERROR: This module currently only works for integer (CELL) maps Is there any alternative to do this? Thank you Christian and the rest of grass mailing list Monica On Mon, Feb 28, 2011 at 5:08 PM, Christian Schwartze christian.schwar...@uni-jena.de wrote: If you want to deal with raster value types other than CELL, you can use the –c flag in r.statistics in order to process the labels. Therfore, you have to copy your cat values to the category labels first... Regards, Christian. *From:* Monica Buescu monicabuescu1...@gmail.com *Sent:* Monday, February 28, 2011 5:16 PM *To:* Christian Schwartze christian.schwar...@uni-jena.de *Cc:* GRASS user list grass-user@lists.osgeo.org *Subject:* Re: [GRASS-user] calculating average value over a base map Greetings Christian Unfortunely it only works with CELL values. For instance, r.median uses more than just CELL. Is there any other alternative? Beucase for mode and median there is specific functions. Thamls Best regards, Monica On Mon, Feb 28, 2011 at 3:55 PM, Christian Schwartze christian.schwar...@uni-jena.de wrote: Monica, try to use r.statistics with the average function/method. Pass you maps through the cover= and base= parameters... Christian. *From:* Monica Buescu monicabuescu1...@gmail.com *Sent:* Monday, February 28, 2011 4:27 PM *To:* GRASS user list grass-user@lists.osgeo.org *Subject:* [GRASS-user] calculating average value over a base map Greetings I have a map with values and a base map created with r.clump. How can I calculate the average of values that falls inside each cluster defined by r.clump? Thanks Best regards, Monica -- ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Question on Importing E$RI Grid DEM
I thought I had a saved thread from this list on this subject, but grepping my mail subdirectory I don't find it. Here's the situation: A set of 30m NED (National Elevation Database) DEMs as Lat/Long 1 degree blocks. Data is in ARC GRID file format. Each directory has three subdirectores: demgrid/, info/, and metadata/. The demgrid/ subdirectoy contains: dblbnd.adf, hdr.adf, log, prj.adf, sta.adf, w001001.adf, and w001001x.adf files. I thought I wanted to point the grass65 gui for raster-arc grid import to the hdr.adf file, but I get errors and no import when I do that. Is there another file that should be specified for proper import? TIA, Rich ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] New User
On Sun, 2011-02-27 at 23:25 -0800, Hamish wrote: I know little or nothing about mapping. I want to understand how the data files and grass connect together. Some tutorial using known data followed by some information on various data formats and how to convert them into something GRASS can handle Could you explain your workflow a bit more? there are many choices. In general it's not so bad, and you can do matlab/oct to and from grass without much hassle. I have data consisting of bearings amd/or distances from known points, in octave. I want to plot the bearing lines and the distance arcs on a wgs84 ellipsoid with national boundaries (outlines). The end result is to visually locate the intersections of the various lines with national outlines for easier identification of RF sources. natural earth is polyline data, so vector thus v.* modules. 2D array is raster data, so r.* modules. see v.to.rast and r.to.vect modules. The data from natural earth is 10m_admin_0_countries.dbf - spreadsheet database file 10m_admin_0_countries.prj - projection 10m_admin_0_countries.shp - shape file 10m_admin_0_countries.shx I also have WDB data from http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO5/BOUNDARY/WDB/ BOUNDS.DAT COASTS.DAT ETOPO5.DAT ETOPO5.DOS RIVERS.DAT I have not discovered how to bring the map data into grass. How do I arrange the data files so GRASS can find/inport them? I have a $home/grassdata directory structure with worldlocation.tar.gz expanded into it as $home/grassdata/worldlocation. How do I access/plot this data in GRASS? How do I put the ETOPO5 data in the grassdata tree? I think I need to convert it to some format that GRASS understands. How do I put the 10m_admin_0_countries.* files into the grassdata tree? do you have 2D arrays in matlab/octave from contourf() or similar and you want to fill(), area(), or patch() a polygon coastline over the top? I have these in octave 3.4.0. see http://grass.osgeo.org/wiki/Addons#v.out.ascii.mat are you using the (free/gratis) m_map toolbox? http://www.eos.ubc.ca/~rich/map.html or matlab's mapping toolbox? (which is using proj4, same as us) do you wish to rasterize the natural earth polygons into a 2D array? see v.to.rast + r.out.mat do you want to bring your matlab data into grass and plot it there? see r.in.mat, or v.in.lines, v.in.mapgen. This would be Ok, assuming I can export the resulting map in pdf format. My first thought was to use GRASS to generate a MAT file from map data, to load into octave. the first step is to bring the data into grass with v.in.ogr. I can start grass and get the startup screen. I select worlddata and PERMANENT and click Enter GRASS. What is next? tomdean ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Question on Importing E$RI Grid DEM -- UPDATE
On Mon, 28 Feb 2011, Rich Shepard wrote: I thought I wanted to point the grass65 gui for raster-arc grid import to the hdr.adf file, but I get errors and no import when I do that. Is there another file that should be specified for proper import? How strange. It works from the command line: GRASS 6.5.svn (Nevada-ll):~/grassdata r.in.gdal -e --overwrite input=/home/rshepard/GIS/data/Nevada/DEM/area2/demgrid/hdr.adf output=dem_area2 title='DEM NED Area 2' Projection of input dataset and current location appear to match 100% r.in.gdal complete. Raster map dem_area2 created. Rich ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Question on Importing E$RI Grid DEM -- UPDATE
2011/2/28 Rich Shepard rshep...@appl-ecosys.com: Just a note: please keep the subject otherwise thread is broken and it's hard to track it... Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
RE: [GRASS-user] Re: How to merge rasters using feathering/blending ?
I haven't tried it yet, but what about this: http://grass.osgeo.org/wiki/GRASS_AddOns#r.smoothpatch There are other useful addons, so you might want to browse around that page. Bob Bob Moskovitz Seismic Hazards Mapping Program California Geological Survey 801 K Street MS-1231 Sacramento, CA 95814 ph. (916) 323-0043 CONFIDENTIALITY NOTICE: This communication is intended only for the use of the individual or entity to which it is addressed. This message contains information from the State of California, California Geological Survey, which may be privileged, confidential and exempt from disclosure under applicable law, including the Electronic Communications Privacy Act. If the reader of this communication is not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. -Original Message- From: grass-user-boun...@lists.osgeo.org [mailto:grass-user- boun...@lists.osgeo.org] On Behalf Of kaipi Sent: Monday, February 28, 2011 6:27 AM To: grass-user@lists.osgeo.org Subject: [GRASS-user] Re: How to merge rasters using feathering/blending ? Gimp is fine if you have a smal number of scenes but I need to process large amounts of scenes where I need an automated way to feather the seam lines. -- View this message in context: http://osgeo- org.1803224.n2.nabble.com/How-to-merge-rasters-using-feathering- blending-tp6061489p6073453.html Sent from the Grass - Users mailing list archive at Nabble.com. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] New User
On Mon, 28 Feb 2011, Thomas D. Dean wrote: I know little or nothing about mapping. I want to understand how the data files and grass connect together. Some tutorial using known data followed by some information on various data formats and how to convert them into something GRASS can handle Thomas, First, there is a tutorial of sorts using the Spearfish, ND data sets. Second, GRASS is a tool for spatial analyses and modeling, and as such requires users to know how to properly use the tool. I do not intend to sound condescending, but I highly recommend you read a book or information found on the Web about GIS, data formats, spatial analyses, and related subjects. In general it's not so bad, and you can do matlab/oct to and from grass without much hassle. MatLab (and Octave) are totally different tools. I've used Octave to calculate eigenvectors of symetrical matrices, but would not use it for any spatial analyses. I have data consisting of bearings amd/or distances from known points, in octave. I want to plot the bearing lines and the distance arcs on a wgs84 ellipsoid with national boundaries (outlines). The end result is to visually locate the intersections of the various lines with national outlines for easier identification of RF sources. This GRASS can do. The data from natural earth is 10m_admin_0_countries.dbf - spreadsheet database file 10m_admin_0_countries.prj - projection 10m_admin_0_countries.shp - shape file 10m_admin_0_countries.shx What you want is File - Import vector data - top menu choice for ESRI .shp files. Select the .shp as the file to open. Or, use v.in.ogr from the command line. I have not discovered how to bring the map data into grass. How do I arrange the data files so GRASS can find/inport them? I have a $home/grassdata directory structure with worldlocation.tar.gz expanded into it as $home/grassdata/worldlocation. How do I access/plot this data in GRASS? Put your shape files in there, too. Read the quick introduction to GRASS on the Web site as it explains the relationships among the root database, locations, and mapsets. It's all there and very well written. Rich ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Question on Importing E$RI Grid DEM -- UPDATE
Hi, 2011/2/28 Rich Shepard rshep...@appl-ecosys.com: On Mon, 28 Feb 2011, Martin Landa wrote: Just a note: please keep the subject otherwise thread is broken and it's hard to track it... Martin, Does the postfix affect the thread? I thought it did not which is why many of us add FIXED or SOLVED to close threads. ops, it seems that postfix doesn't affect the thread [1]. Anyway thread is broken at least in gmail web client. So sorry for the noise. Martin [1] http://lists.osgeo.org/pipermail/grass-user/2011-February/thread.html -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] 6.4svn graphical modeller instead of vector or raster add
I can't add raster or vector layer to grass 6.4svn because when I click on the GUI for adding layers the graphic modeller comes up. What should I do? Stephen Sefick ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
Hi, 2011/2/28 Stephen Sefick ssef...@gmail.com: I can't add raster or vector layer to grass 6.4svn because when I click on the GUI for adding layers the graphic modeller comes up. What should I do? fresh SVN installation? OS? Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
Yes, fresh svn installation, and Ubuntu 10.04. On Mon, 2011-02-28 at 20:22 +0100, Martin Landa wrote: Hi, 2011/2/28 Stephen Sefick ssef...@gmail.com: I can't add raster or vector layer to grass 6.4svn because when I click on the GUI for adding layers the graphic modeller comes up. What should I do? fresh SVN installation? OS? Martin ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Re: How to merge rasters using feathering/blending ?
In GRASS, one thing you can try is to normalize your data so the variations from scene to scene are minimized. ie, run a linear regression between overlapping maps and then use the coefficients to normalize one of the data sets. However, it is tedious and doesn't work well if the two images arn't well correlated to begin with. A second option is to switch to OSSIM (another open source project) for the mosaicing task. It has a number of tools for feathering, blending and histogram matching. It's all fairly automated and straight forward to use. A third option is enblend. It uses multi-resolution splines to blend images together. From my own experience, it does the best job at blending Ortho's together, but it's not geographically aware, which means that you need to do some hacking to develop a workflow that you can use to maintain/re-establish a spatial reference system. --- On Mon, 2/28/11, kaipi mapcoll...@gmx.net wrote: From: kaipi mapcoll...@gmx.net Subject: [GRASS-user] Re: How to merge rasters using feathering/blending ? To: grass-user@lists.osgeo.org Received: Monday, February 28, 2011, 9:27 AM Gimp is fine if you have a smal number of scenes but I need to process large amounts of scenes where I need an automated way to feather the seam lines. -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/How-to-merge-rasters-using-feathering-blending-tp6061489p6073453.html Sent from the Grass - Users mailing list archive at Nabble.com. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] How to merge rasters using feathering/blending ?
I wrote a script to do something like this at one point, though I can't find it now. It was intended for terrain, but could be used per band on imagery. It used r.buffer to create a distance gradient and then r.recode to convert this gradient to a percentage. I then used r.mapcalc to merge the 2 rasters based on the percentage. The script automated the buffer distances and the creation of the recode.txt file, but went something like this: ## make a null raster r.mapcalc temp_null = if(isnull(source),1,null) ## create a distance gradient from the null raster. The output will have int values 1-7 where 1 equals the input null raster r.buffer in=temp_null out=temp_buf distances=10,20,30,40,50,60 units=meters ## fill nulls in the distance gradient with 0 for recoding r.mapcalc temp_buf_fill=if(isnull(temp_buf),0,temp_buf) ## recode to a percentage r.recode in=temp_buf_fill out=temp_recode rules=recode.txt where recode.txt would have the range from temp_buf_fill expressed as percentages: 1:1:100:100 2:2:86:86 3:3:71:71 4:4:57:57 5:5:43:43 6:6:29:29 7:7:14:14 0:0:0:0 ## merge the output r.mapcalc merged=if(isnull(source),patch,(patch*(temp_recode/100.0))+(source*(1.0-(temp_recode/100.0 Sorry if that doesn't work, but hopefully you get the idea. - Jamie On Thu, Feb 24, 2011 at 10:53 AM, kaipi mapcoll...@gmx.net wrote: I need to patch rasters containing NULL areas with alternative rasters. I can do this with r.patch but due to different quality/resolution of the rasters this produces prominent seamlines. Is there a way to feather/blend between merged rasters using Grass GIS? Thanks, Kaipi -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/How-to-merge-rasters-using-feathering-blending-tp6061489p6061489.html Sent from the Grass - Users mailing list archive at Nabble.com. ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] calculate raster statistics for vector polygons
Greetings I have a vector file with polygons and I want to obtain a raster map with statistics of an input raster for each polygon. What can I use to do this? Thanks Kim ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] calculate raster statistics for vector polygons
http://grass.fbk.eu/grass64/manuals/html64_user/v.rast.stats If you have lots of polygons, you probably need to look into v.rast.stats2 , an addon Cheers Sab On Mon, 2011-02-28 at 21:32 +, Kim Besson wrote: Greetings I have a vector file with polygons and I want to obtain a raster map with statistics of an input raster for each polygon. What can I use to do this? Thanks Kim ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
[back to ML] 2011/2/28 Stephen Sefick ssef...@gmail.com: Yes whenever I click Add raster map layer I get a modeller window. it's a bug in silk icon set. Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
How do I get rid of the silk icon set? Or how do I not use it in the build for both trunk and 6.4? Thanks, Stephen On Mon, Feb 28, 2011 at 3:48 PM, Martin Landa landa.mar...@gmail.com wrote: [back to ML] 2011/2/28 Stephen Sefick ssef...@gmail.com: Yes whenever I click Add raster map layer I get a modeller window. it's a bug in silk icon set. Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa -- Stephen Sefick | Auburn University | | Biological Sciences | | 331 Funchess Hall | | Auburn, Alabama | | 36849 | |___| | sas0...@auburn.edu | | http://www.auburn.edu/~sas0025 | |___| Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis A big computer, a complex algorithm and a long time does not equal science. -Robert Gentleman ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
2011/2/28 stephen sefick ssef...@gmail.com: How do I get rid of the silk icon set? Or how do I not use it in the build for both trunk and 6.4? from Layer Manager menu - Settings | Preferences | Advanced - set Icon Theme to 'grass2', save settings and restart GUI. Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] 6.4svn graphical modeller instead of vector or raster add
Hi, 2011/2/28 Martin Landa landa.mar...@gmail.com: 2011/2/28 stephen sefick ssef...@gmail.com: How do I get rid of the silk icon set? Or how do I not use it in the build for both trunk and 6.4? from Layer Manager menu - Settings | Preferences | Advanced - set Icon Theme to 'grass2', save settings and restart GUI. just not that trunk contains only one icon theme 'grass' which is based on 'grass2' from GRASS 6. Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] v.rast.stats2 bug?
I just checked out v.rast.stats2 (Feb.28) and when I run it I get the
following error.
Do I need to file a ticket, or am I missing something obvious? While
it says 'done', the table is unpopulated.
awk: {printf \nUPDATE acoe_jd SET dist_n
awk: ^ unterminated string
sed: couldn't write 176 items to stdout: Broken pipe
Restoring previous MASK...
Statistics calculated from raster map streams_distance_ft@PERMANENT
and uploaded to attribute table of vector map acoe_jd.
Done.
Much thanks,
Mark
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[GRASS-user] Tutorial Not Same as GRASS 6.4
I have GRASS 6.4.0RC5+39438 (2009). I followed the tutorial, with lots of mental corrections and managed to get the example displayed. The tutorial is good, just needs some tweeking to match the GRASS display. A quick introduction to the 6.4 wxGUI and raster maps, http://grass.osgeo.org/wiki/Quick_wx_tutorial, Does not correspond to the GRASS display. For example, Once inside add a raster map layer such as elevation from the PERMANENT mapset. To do this click on the checkerboard toolbar button with a + on it and then select the map name from the pull-down list which appears, and click [Ok]. There is no icon checkerboard with a + on it. Rather, there is a green, red, orange icon with an arrow in it. However, it does have the description Add raster layer. And, there is not a pull down list. Rather, a layer is added, labeled raster1 and clicking the i button brings up a pop-up that allows selecting the map. I am not good at describing things. I don't know what the author intended the icons to be. How do I help feeding back the corrections? Or, is this tutorial for a newer version? tomdean ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] Points, Distances, and, Bearings.
I can get the Natural Earth data to display. Neat. How do I enter a point, a bearing from that point, and a distance from that point, plot the point, the bearing line, and, the distance arc? tomdean ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Points, Distances, and, Bearings.
Thomas wrote: I can get the Natural Earth data to display. Neat. How do I enter a point, a bearing from that point, and a distance from that point, plot the point, the bearing line, and, the distance arc? check out the d.rhumbline, d.geodesic, r.transect, r.profile, and m.cogo modules. also install the proj-bin package (assuming linux) and you get the geod program which will calculate the start and end points for you using a great-circle calculation. are you using a lat/lon location? how large an area will your plot cover? continental? Hamish ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] Points, Distances, and, Bearings.
On Mon, 2011-02-28 at 19:36 -0800, Hamish wrote: are you using a lat/lon location? how large an area will your plot cover? continental? Thanks for the reply. I will be away for a couple days, then, will check out the d.rhumbline, d.geodesic, r.transect, r.profile, and m.cogo modules. The points are located by lat/lon, wgs84. I also want a lat/lon output that is the centroid of the intersection of several lines. The plot will cover up to 1/4 of the globe. Then, zoom down to a country. tomdean ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
