Re: [GRASS-user] Re: [GRASS-web] raster module for travel time calculations

2007-11-19 Thread Dylan Beaudette
current research. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman

Re: [GRASS-user] Database for GRASS

2007-12-06 Thread Dylan Beaudette
On Thursday 06 December 2007 07:33:44 am Hamner, Jesse Harrison wrote: Kurt, I'm very pleased with MySQL's performance on both linux (Gentoo) and Mac OS X; a big bonus for me is that I can use the ODBC connector for MySQL with my statistics package (Stata) and the JDBC connector for MySQL

[GRASS-user] OT: metadata authoring tools

2007-12-12 Thread Dylan Beaudette
Hi, Sorry for the off-topic post. I am part of an ISO Metadata Editor Review committee over here, and was looking for some initial feedback on what various parties in the FOSS world use for metadata authoring, etc. There are some members of the group who are looking to building an extension to

Re: [GRASS-user] OT: metadata authoring tools

2007-12-13 Thread Dylan Beaudette
. Hamish Thanks Hamish, I will get my group working on this page as well. Perhaps we can contribute something back to the page in regards to what this ISO group is up to. Cheers and thanks to everyone who made suggestions! Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] nan values by v.generalize

2007-12-16 Thread Dylan Beaudette
will add that one line to the code... Daniel That sounds reasonable to me. Once it is posted, I will try and construct a couple pathological cases to test it against. cheers, Dylan On Dec 15, 2007 8:36 PM, Dylan Beaudette [EMAIL PROTECTED] wrote: On Saturday 15 December 2007 05:38:44 am

Re: [GRASS-stats] Re: [GRASS-user] grass/stats mapping/prediction question

2007-12-19 Thread Dylan Beaudette
modeling examples with GRASS and R D -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman

Re: [GRASS-user] Merging vectors...

2008-01-08 Thread Dylan Beaudette
that the topology must be built for this command to work. If they are huge data - try merging them as text files. Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] Working with transects

2008-01-14 Thread Dylan Beaudette
? cheers, -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Inverse PCA in GRASS

2008-01-24 Thread Dylan Beaudette
to be included as a standard module, or is that pending some user tests? thanks, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user

Re: [GRASS-user] Inverse PCA in GRASS

2008-01-24 Thread Dylan Beaudette
On Thursday 24 January 2008, Markus Neteler wrote: On Jan 24, 2008 7:25 PM, Dylan Beaudette [EMAIL PROTECTED] wrote: On Thursday 24 January 2008, Markus Neteler wrote: I have added m.eigensystem to GRASS Addons SVN with a slightly updated Makefile. Grab here: http://trac.osgeo.org

Re: [GRASS-user] Inverse PCA in GRASS

2008-01-24 Thread Dylan Beaudette
On Thursday 24 January 2008, Brad Douglas wrote: On Thu, 2008-01-24 at 14:58 -0800, Dylan Beaudette wrote: On Thursday 24 January 2008, Markus Neteler wrote: On Jan 24, 2008 7:25 PM, Dylan Beaudette [EMAIL PROTECTED] wrote: On Thursday 24 January 2008, Markus Neteler wrote: I have

[GRASS-user] quick comparison r.cost / r.walk

2008-02-19 Thread Dylan Beaudette
Hi, posted a quick comparison between r.walk / r.cost. Page is still sparse on descriptions / interpretations, but its late! http://casoilresource.lawr.ucdavis.edu/drupal/node/544 Cheers, -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University

Re: [GRASS-user] quick comparison r.cost / r.walk

2008-02-19 Thread Dylan Beaudette
Regards, Stefano. 2008/2/19, Dylan Beaudette [EMAIL PROTECTED]: Hi, posted a quick comparison between r.walk / r.cost. Page is still sparse on descriptions / interpretations, but its late! http://casoilresource.lawr.ucdavis.edu/drupal/node/544 Cheers

Re: [GRASS-user] r.out.gmt -- color palette with gaps?

2008-02-19 Thread Dylan Beaudette
with r.out.gmt it is...) may help. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 template.sh Description: application/shellscript ___ grass-user

Re: [GRASS-user] How to calculate areas and mean areas from a polygon-layer

2008-02-25 Thread Dylan Beaudette
_ see the manual page for v.to.db -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org

Re: [GRASS-user] Help: Completely confused about multi-layered vectors trying to import TIGER/Line files

2008-02-28 Thread Dylan Beaudette
On Thu, Feb 28, 2008 at 7:39 AM, Tom Russo [EMAIL PROTECTED] wrote: I have been trying to wrap my brain around multi-layered GRASS vectors and have only succeeded in wrapping my brain into knots. Perhaps someone here with a solid understanding of this stuff can help me. I'm trying to

Re: [GRASS-user] kml topology... ?

2008-02-28 Thread Dylan Beaudette
/concern for topological-correctness. Automatic cleaning is really not useful even after trying to feed with logical thresholds the various tools. Try opening the file with v.digit and look for oddities. Cheers, Nikos Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] Help: Completely confused about multi-layered vectors trying to import TIGER/Line files

2008-02-28 Thread Dylan Beaudette
, it might be nice to work up something for the new NC sample dataset -- so that there is a common framework for teaching/learning about vector layers. In the last 5 years I have seen the topic come up several times. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

2008-02-28 Thread Dylan Beaudette
a starting point, a bearing, and a distance along the resulting line. I will dig the source out and see if it still compiles. It might be useful to combine that functionality with what you are talking about. Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

2008-02-28 Thread Dylan Beaudette
the angle between two points I mark on the map like I can measure in between two points with d.measure? Well of course I had to go and try this out. attached is a patch (against todays SVN) to optionally print the bearing between clicks. Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

2008-02-28 Thread Dylan Beaudette
On Thursday 28 February 2008, Dylan Beaudette wrote: On Thursday 28 February 2008, Philipp Steigenberger wrote: Hi I want to work with r.plane and r.lake to get simulate floodings in DTMs. In the section of interest there is a river which runs from about SSW to NNE. For r.plane I need

Re: [GRASS-user] Re: [GRASS-dev] r.out.gdal Gtiff output does not preserve color tables

2008-02-28 Thread Dylan Beaudette
On Thursday 28 February 2008, Hamish wrote: Dylan Beaudette wrote: - r.out.gdal never worked for me (or rather the resulting file would not open in ArcMap) did you try adding INTERLEAVE=PIXEL and *not* using LZW compression for createopt=? From the help r.out.gdal page: {{{ NOTES

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

2008-02-29 Thread Dylan Beaudette
On Thu, Feb 28, 2008 at 7:26 PM, Hamish [EMAIL PROTECTED] wrote: Dylan Beaudette wrote: Well of course I had to go and try this out. attached is a patch (against todays SVN) to optionally print the bearing between clicks. Hi, you should add a check so that it won't allow

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

2008-02-29 Thread Dylan Beaudette
On Thu, Feb 28, 2008 at 9:36 PM, Michael Barton [EMAIL PROTECTED] wrote: On Feb 28, 2008, at 6:32 PM, [EMAIL PROTECTED] wrote: Date: Thu, 28 Feb 2008 16:17:17 -0800 From: Dylan Beaudette [EMAIL PROTECTED] Subject: Re: [GRASS-user] How to find out an angle between to points

Re: [GRASS-user] About .mdb geo-data base file format... please some information about alternative file formats!

2008-02-29 Thread Dylan Beaudette
On Thu, Feb 28, 2008 at 7:27 PM, Nikos Alexandris [EMAIL PROTECTED] wrote: Some time ago I said that I will post a question in EEA about ...why only shapefiles and mdb's. So I did. It took some time but I received a reply. I posted back my feedback using some CLC tiles and I was waiting

Re: [GRASS-user] Re: [GRASS-dev] r.out.gdal Gtiff output does not preserve color tables

2008-02-29 Thread Dylan Beaudette
. This will be the nodata value? Or wrong data type? (float read as int) I think that this is the nodata value bug which has been hinted at before that is ultimately to blame. Dylan 1. http://casoilresource.lawr.ucdavis.edu/drupal/node/337 -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] lowering resolution of the raster

2008-02-29 Thread Dylan Beaudette
Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake) - shellscript

2008-03-01 Thread Dylan Beaudette
On Saturday 01 March 2008, Philipp Steigenberger wrote: Dylan Beaudette schrieb: On Thursday 28 February 2008, Philipp Steigenberger wrote: Hi I want to work with r.plane and r.lake to get simulate floodings in DTMs. In the section of interest there is a river which runs from about

Re: [GRASS-user] v.surf.rst and null values

2008-03-03 Thread Dylan Beaudette
input file. attached is a simple file that contains a NODATA entry, and is read correctly by v.in.ascii. Optionally, you can use the 'where' operator for v.surf.rst to pre-filter your points. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu

Re: [GRASS-user] please help: v.rast.stats

2008-03-04 Thread Dylan Beaudette
all of the shapefiles in the directory and load them Regards Chris Cheers, Nikos ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user -- Dylan Beaudette Soil Resource Laboratory http

[GRASS-user] removal of duplicate points

2008-03-05 Thread Dylan Beaudette
like to replace the manual operation with v.digit with something that can be scripted. Note that there are multiple squares, so a simple v.out.ascii | head -4 | v.in.ascii would be a little awkward. Ideas? -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu

Re: [GRASS-user] removal of duplicate points

2008-03-05 Thread Dylan Beaudette
,vp # export to shapefile: v.out.ogr -e in=veg_points type=point dsn=veg_points.shp And this got the job done. I wonder how hard it would be to add a similar functionality to v.edit-- which would preserve the attribute table. Cheers, Dylan 2008/3/5, Dylan Beaudette [EMAIL PROTECTED]: Hi

[GRASS-user] loss of bash aliases

2008-03-05 Thread Dylan Beaudette
Hi, I have the following line in my .bashrc: alias l='ls -lh --color=auto' After I start a GRASS session this alias seems to go away. Is there anyway to respect user customization (i.e. .bashrc) when initializing GRASS? Or is this a user-related error? Cheers, Dylan -- Dylan Beaudette

Re: [GRASS-user] removal of duplicate points

2008-03-05 Thread Dylan Beaudette
On Wednesday 05 March 2008, Nikos Alexandris wrote: rmdupl right -- from v.clean . This works, but it would be a good idea at some point to change the v.clean tool descriptions from referring to lines when the tool equally applies to points. Thanks! Dylan -- Dylan Beaudette Soil Resource

Re: [GRASS-user] loss of bash aliases

2008-03-05 Thread Dylan Beaudette
On Wednesday 05 March 2008, Patton, Eric wrote: .grass.bashrc that did it! thanks. Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list

Re: [GRASS-user] removal of duplicate points

2008-03-05 Thread Dylan Beaudette
On Wednesday 05 March 2008, Nikos Alexandris wrote: On Wed, 2008-03-05 at 11:44 -0800, Dylan Beaudette wrote: On Wednesday 05 March 2008, Nikos Alexandris wrote: rmdupl right -- from v.clean . This works, but it would be a good idea at some point to change the v.clean tool descriptions

Re: [GRASS-user] a few suggestions and questions

2008-03-05 Thread Dylan Beaudette
___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] a few suggestions and questions

2008-03-06 Thread Dylan Beaudette
On Wednesday 05 March 2008, Jarek Jasiewicz wrote: Dylan Beaudette wrote: On Monday 03 March 2008, Jarosław Jasiewicz wrote: Nikos Alexandris pisze: On Mon, 2008-03-03 at 22:52 -0300, Carlos Guâno Grohmann wrote: Hello all [...] is plan curvature in r.param.scale broken? I can't

[GRASS-user] r.shaded.relief strangeness

2008-03-17 Thread Dylan Beaudette
://169.237.35.250/~dylan/temp/good_shade.png This was done with today's SVN. -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user

Re: [GRASS-user] distance from extent to origin cost surfaces

2008-03-30 Thread Dylan Beaudette
that r.grow cannot use a negative radius. Does this address the problem at hand? Cheers, Dylan On Sun, Mar 30, 2008 at 1:11 AM, Dylan Beaudette [EMAIL PROTECTED] wrote: On Saturday 29 March 2008, Jason Jorgenson wrote: Hi everyone. I am trying to determine the minimum and maximum

Re: [GRASS-user] distance from extent to origin cost surfaces

2008-03-30 Thread Dylan Beaudette
: r.mapcalc inv_mask = if(isnull(mask), 1, null()) r.grow in=inv_mask out=inv_mask.grown r.mapcalc mask_shrunk = if(isnull(inv_mask.grown), 1, null()) Hamish As usual Hamish has a clever and concise solution! -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu

Re: [GRASS-user] distance from extent to origin cost surfaces

2008-03-30 Thread Dylan Beaudette
radius ? Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] distance from extent to origin cost surfaces

2008-04-01 Thread Dylan Beaudette
On Mon, Mar 31, 2008 at 4:57 AM, Glynn Clements [EMAIL PROTECTED] wrote: Dylan Beaudette wrote: This is slightly incorrect -- as we are growing the cost surface to compute the perimeter, when we should be shrinking it. However it appears that r.grow cannot use a negative radius

Re: [GRASS-user] Efficient vector spatial querying...

2008-04-09 Thread Dylan Beaudette
100 m from your point of interest) ) -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http

Re: [GRASS-user] LOS, Fresnel Zones, Multi-Line wave propagtion and GHz communications

2008-04-17 Thread Dylan Beaudette
On Thursday 17 April 2008, Tom Russo wrote: On Thu, Apr 17, 2008 at 05:36:18PM +0200, we recorded a bogon-computron collision of the [EMAIL PROTECTED] flavor, containing: Dylan Beaudette wrote: There is also an open source application called 'splat' : http://www.qsl.net/kd2bd/splat.html

Re: [GRASS-user] [Fwd: [OSGeo-Discuss] Can I do the same GIS tasks with OS (as with ESRI)?]

2008-04-25 Thread Dylan Beaudette
me of a hack I was working on some time ago -- something like d.out.mapserver -- for figure creation. I will have to look over my notes, and possible post them on the wiki. Perhaps you can post yours as well? Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] Tracing dotted lines from raster (and convert to vector)

2008-05-23 Thread Dylan Beaudette
://casoilresource.lawr.ucdavis.edu/drupal/node/244 Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http

Re: [GRASS-user] supervised classification - feature extraction

2008-05-31 Thread Dylan Beaudette
On Sat, May 31, 2008 at 6:23 AM, M S [EMAIL PROTECTED] wrote: That would be great. Let's say for example that I only want to classify paved or dirt roads. So I setup two classes, one training area for dirt road, and one for paved road. Then a third outlier class of everything else that

Re: [GRASS-user] (no subject)

2008-06-03 Thread Dylan Beaudette
of this communication is not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] Generating Vector Data From Legal Description

2008-06-09 Thread Dylan Beaudette
-- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Downscaling rasters (resampling to LOWER resolution)

2008-06-18 Thread Dylan Beaudette
) -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: module of the day feed idea - was Re: [GRASS-user] r.to.vect to selected locations only

2008-06-27 Thread Dylan Beaudette
libraries for constructing XML/RSS - so there wouldn't be a need for wheel-reinventing. Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list

Re: [GRASS-user] ps.map dilemma

2008-07-02 Thread Dylan Beaudette
http://lists.osgeo.org/mailman/listinfo/grass-user -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http

Re: [GRASS-user] Is mosaicing 24 bit images possible in Grass 6.2?

2008-07-03 Thread Dylan Beaudette
This is an excellent tip. Is this documented anywhere? Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http

Re: [GRASS-user] calibrating a interpolated or contour map

2008-07-29 Thread Dylan Beaudette
___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass

Re: [GRASS-user] how to speed of map generation with ps.map?

2008-07-29 Thread Dylan Beaudette
cell / 10 m) * 10 m/mm in figure == 1 cell / mm. ... or work with page sizes, points, and DPI ... It just depends on how much detail you need in the map, and how much detail your printer can put down on paper. 600 DPI is approximately 23 dots per mm. Cheers, -- Dylan Beaudette Soil Resource

Re: [GRASS-user] exporting only a table from a vector

2008-08-01 Thread Dylan Beaudette
with sqlitebrowser and export your table of interest as a .csv file. Later you can import for example in openoffice for further editing. [...] db.select should do what you want. I use it regularly to make CSV file for export. Cheers, -- Dylan Beaudette Soil Resource Laboratory

Re: [GRASS-user] GRASS export GeoTiff adventure :-)

2008-08-02 Thread Dylan Beaudette
I am glad that this topic is getting some traction again. I have noticed that r.out.gdal does not always produce images readable in ESRI products. Heck, sometime the resulting TIFF would not even be readable by QGIS. This was some time ago, and associated with several blog postings / trac tickets:

Re: [GRASS-user] batch job on multiple locations

2008-08-12 Thread Dylan Beaudette
On Tue, Aug 12, 2008 at 1:40 AM, maning sambale [EMAIL PROTECTED] wrote: Hi, Following the instructions here: http://grass.osgeo.org/wiki/GRASS_and_Shell#GRASS_Batch_jobs I can now run a grass batch job in a selected location and mapset. This time, I want to run the batch job on various

Re: [GRASS-user] v.variogram: maxdist and nlag

2008-08-15 Thread Dylan Beaudette
On Fri, Aug 15, 2008 at 2:11 AM, Wesley Roberts [EMAIL PROTECTED] wrote: Dear Grass users I am using grass 6.2.3 and have downloaded the v.variogram module from the Grass_AddOns website (http://grass.osgeo.org/wiki/GRASS_AddOns#Vector_add-ons). I wish to run the v.variogram module on a

Re: [GRASS-user] v.variogram: maxdist and nlag

2008-08-15 Thread Dylan Beaudette
On Fri, Aug 15, 2008 at 2:11 AM, Wesley Roberts [EMAIL PROTECTED] wrote: Dear Grass users I am using grass 6.2.3 and have downloaded the v.variogram module from the Grass_AddOns website (http://grass.osgeo.org/wiki/GRASS_AddOns#Vector_add-ons). I wish to run the v.variogram module on a

Re: [GRASS-user] supervised image classification using textural aspects

2008-08-25 Thread Dylan Beaudette
. http://casoilresource.lawr.ucdavis.edu/drupal/node/548 Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org

Re: Geophysics functions [was Re: [GRASS-user] use pi number]

2008-08-25 Thread Dylan Beaudette
. http://casoilresource.lawr.ucdavis.edu/drupal/node/560 Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user

Re: Geophysics functions [was Re: [GRASS-user] use pi number]

2008-08-26 Thread Dylan Beaudette
On Tuesday 26 August 2008, José María Michia wrote: 2008/8/25 Dylan Beaudette [EMAIL PROTECTED]: On Monday 25 August 2008 08:59:33 am Paulo Marcondes wrote: 2008/8/23 Paulo Marcondes [EMAIL PROTECTED]: I have been interested in implementing potential fields function in GRASS since long

Re: [GRASS-user] v.generalize / reanimation of dead lines ?

2008-08-29 Thread Dylan Beaudette
-- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: Geophysics functions [was Re: [GRASS-user] use pi number]

2008-08-29 Thread Dylan Beaudette
are interested in learning. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman

[GRASS-user] Open Source Remote Sensing at AGU

2008-09-02 Thread Dylan Beaudette
Posted on behalf of H. Mitasova / D. Pilant -- Dear Open Source Remote Sensing and Geospatial Colleagues, Please consider submitting an abstract for this open source remote   sensing session at the American Geophysical Union

Re: [GRASS-user] BIN raster import

2008-09-04 Thread Dylan Beaudette
Thanks Glynn. I am going to look for a relevant page on the Wiki to post much of this information, as it may be very helpful to others. Cheers, Dylan On Thu, Sep 4, 2008 at 12:46 AM, Glynn Clements [EMAIL PROTECTED] wrote: Dylan Beaudette wrote: note that GRASS considers the region bound

Re: [GRASS-user] BIN raster import

2008-09-04 Thread Dylan Beaudette
For further documentation / reference, I have started the following page, based on Glynn's (verbatim) suggestions. http://grass.osgeo.org/wiki/GRASS_pixel_rules Thanks, Dylan On Thu, Sep 4, 2008 at 7:52 AM, Dylan Beaudette [EMAIL PROTECTED] wrote: Thanks Glynn. I am going to look

[GRASS-user] interesting article on TIN generation

2008-09-22 Thread Dylan Beaudette
Thought this would be of interest: http://www.cs.unc.edu/~isenburg/papers/ilsst-tin2dem-06.pdf Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass

Re: [GRASS-user] nnbathy

2008-09-23 Thread Dylan Beaudette
On Tue, Sep 23, 2008 at 6:12 AM, Moritz Lennert [EMAIL PROTECTED] wrote: On 23/09/08 14:06, Moritz Lennert wrote: On 23/09/08 13:49, Moritz Lennert wrote: I have also put it on my machine, in case the above link doesn't work anymore: http://geog-pc40.ulb.ac.be/grass/nnbathy/ As a

Re: [GRASS-user] interesting article on TIN generation

2008-09-23 Thread Dylan Beaudette
, by submitting that article to the list, I wasn't advocating the use of TINs over grids-- I just thought it was interesting. I still think that for most modeling operations, gridded data are the simplest to use / understand. Cheers, Dylan Le lundi 22 septembre 2008 à 15:53 -0700, Dylan Beaudette

Re: [GRASS-user] interesting article on TIN generation

2008-09-23 Thread Dylan Beaudette
On Tue, Sep 23, 2008 at 1:17 AM, Hamish [EMAIL PROTECTED] wrote: Vincent Bain wrote: As I spend a couple of days computing a huge lidar dataset (first split the original file in 145 pieces ! then performing a loop with v.surf.rst, and rearrange data in a single raster), it is of great

Re: [GRASS-user] image segmentation in GRASS

2008-10-06 Thread Dylan Beaudette
On Mon, Oct 6, 2008 at 6:51 AM, Davide Fornacca [EMAIL PROTECTED] wrote: Hello everybody, I'm new in Grass and I'm trying the image segmentation and classification with the i.smap module. This, with spot imagery 5 and 10 meters resolution. Can I see the segmented image before the

Re: [GRASS-user] r.watershed.fast new version

2008-10-09 Thread Dylan Beaudette
64bit. Markus Fantastic news. This should be integrated back into GRASS given that the output now exactly matches the original. Perhap a temporary move to the GRASS addons page would be a good start. Thanks for making this possible. Cheers, -- Dylan Beaudette Soil Resource Laboratory http

Re: [GRASS-user] New r.what.vect.buffer addon module [was: query by distance]

2008-10-09 Thread Dylan Beaudette
not within a raster-only context. It would be interesting to compare the results! Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing

Re: [GRASS-user] generalize a map of points

2008-10-17 Thread Dylan Beaudette
it integrated into GRASS, too. Markus ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University

[GRASS-user] migrate entire location/mapset to new DB backend?

2008-10-21 Thread Dylan Beaudette
? Dylan PS: Something like this would be a nice migration tool once GRASS7 comes out, so people can update their locations to use the sqlite backend. -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] migrate entire location/mapset to new DB backend?

2008-10-24 Thread Dylan Beaudette
On Tuesday 21 October 2008, Markus Neteler wrote: On Tue, Oct 21, 2008 at 6:01 PM, Dylan Beaudette [EMAIL PROTECTED] wrote: Hi, Is there an elegant solution to migrating an entire location/mapset to a new DB backend? I am thinking about moving all of the tables stored in DBF to sqlite

Re: [GRASS-user] Building digital terrain model from shapefile

2008-10-27 Thread Dylan Beaudette
several approaches, but v.surf.rst is likely a good starting point. cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user

Re: [GRASS-user] i.pca vs. r.covar/m.eigensystem/r.mapcalc

2008-10-28 Thread Dylan Beaudette
(x.pca$rotation), 2) PC1 -0.730 -0.56 -0.38 PC20.680 -0.64 -0.36 PC30.041 0.53 -0.85 -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] Extremely large vector coverages...

2008-10-28 Thread Dylan Beaudette
If you don't need topology PostGIS can scale very nicely with large vector data sets. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user

Re: [GRASS-user] Tips for setting up an new FOSS-GEO-linux-box

2008-10-29 Thread Dylan Beaudette
On Wed, Oct 29, 2008 at 7:08 AM, Nikos Alexandris [EMAIL PROTECTED] wrote: I know, I know... it's off the lists topic! But I need some help. Probably I am going to migrate soon all of my stuff in a new linux-box. So I would like to collect best practice tips concerning the following: OS:

Re: [GRASS-user] Tips for setting up an new FOSS-GEO-linux-box

2008-11-02 Thread Dylan Beaudette
On Sat, Nov 1, 2008 at 6:52 PM, Nikos Alexandris [EMAIL PROTECTED] wrote: On Wed, 2008-10-29 at 07:19 -0700, Dylan Beaudette wrote: Partitions: Do you keep your geo-data in a separate partition? I suppose yes. Have you split further your partition based on other criteria, always related

Re: [GRASS-user] i.pca vs. r.covar/m.eigensystem/r.mapcalc

2008-11-05 Thread Dylan Beaudette
On Wed, Nov 5, 2008 at 5:39 AM, Nikos Alexandris [EMAIL PROTECTED] wrote: On Tue, 2008-10-28 at 09:39 -0700, Dylan Beaudette wrote: On Monday 27 October 2008, Nikos Alexandris wrote: My apologies for BUMPing :-) On Sun, 2008-10-12 at 00:20 +0200, Nikos Alexandris wrote: I wanted

Re: [GRASS-user] Exporting raster map into unusual ascii file

2008-11-05 Thread Dylan Beaudette
for each map, then use a combination of paste and cut to horizonatally stack the set of files into a new file. make sense? Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

Re: [GRASS-user] i.pca vs. r.covar/m.eigensystem/r.mapcalc

2008-11-07 Thread Dylan Beaudette
On Friday 07 November 2008, Nikos Alexandris wrote: On Wed, 2008-11-05 at 07:06 -0800, Dylan Beaudette wrote: # trying with R x - readRAST6(c('b2','b6','b7')) x.pca - prcomp([EMAIL PROTECTED]) Error in svd(x, nu = 0) : infinite or missing values in 'x' ## again the same

Re: [GRASS-user] Rename multiple sqlite columns at once

2008-11-18 Thread Dylan Beaudette
. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Elevation profi le from intersecting shapefiles‏

2008-11-29 Thread Dylan Beaudette
Dude- It is saturday night. Your request is for a fairly simple operation, but there are several steps. Some hints: 1. convert your contours into a DEM: v.surf.rst 2. sample the elevation model along your line segments: v.to.db v.drape you may need to densify the line segments-- i.e. add more

Re: [GRASS-user] Status of SWAT/GRASS interface?

2008-11-30 Thread Dylan Beaudette
On Sun, Nov 30, 2008 at 11:14 AM, Nikos Alexandris [EMAIL PROTECTED] wrote: Hi Hydro-Experts! I got a mail from a friend (also a student) in which he is expressing an interest about the SWAT model. I've read about the SWAT/GRASS interface [1]. What's the practical status of using GRASS with

Re: [GRASS-user] Status of SWAT/GRASS interface?

2008-11-30 Thread Dylan Beaudette
On Sun, Nov 30, 2008 at 11:14 AM, Nikos Alexandris [EMAIL PROTECTED] wrote: Hi Hydro-Experts! I got a mail from a friend (also a student) in which he is expressing an interest about the SWAT model. I've read about the SWAT/GRASS interface [1]. What's the practical status of using GRASS with

Re: [GRASS-user] Re: Landsat data archive now free

2008-12-13 Thread Dylan Beaudette
On Sat, Dec 13, 2008 at 4:27 AM, Yann Chemin yann.che...@gmail.com wrote: Hi, 1 - on opening GRASS GIS, select create location from georeferenced file 2 - use r.in.gdal to import in GRASS GIS. 3 - in grass/add-ons look for any of these to correct from radiance to reflectance at top of

Re: [GRASS-user] grass users at agu fall meeting

2008-12-15 Thread Dylan Beaudette
On Mon, Dec 15, 2008 at 11:35 AM, Jaime Carrera jaicarrerah...@yahoo.com wrote: Hi all, I was thinking it would be good to know if some grass users are presenting work done with GRASS at AGU this week. If so, I would like to know. Cheers, Jaime Hi Jamie. I am here in SF, will be here

Re: [GRASS-user] grass users at agu fall meeting

2008-12-15 Thread Dylan Beaudette
to attend... Dylan Dylan Beaudette wrote: On Mon, Dec 15, 2008 at 11:35 AM, Jaime Carrera jaicarrerah...@yahoo.com wrote: Hi all, I was thinking it would be good to know if some grass users are presenting work done with GRASS at AGU this week. If so, I would like to know. Cheers, Jaime

[GRASS-user] For this interested in cost surface analysis

2008-12-18 Thread Dylan Beaudette
This just popped up on R-Sig-Geo: http://www.circuitscape.org/Circuitscape/Applications.html Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ___ grass

Re: [GRASS-user] i.cluster and i.maxlik with grayscale image

2009-01-01 Thread Dylan Beaudette
On Thu, Jan 1, 2009 at 10:57 AM, Micha Silver mi...@arava.co.il wrote: One set of aerial photos are from the 1950's -1960's. These are all black and white photos: single band tiff. The newer set of aerial photos are color images from 2005-2007. The region is a savanna area with sparse trees

Re: [GRASS-user] r.quantile: what it exaclty do?

2009-01-02 Thread Dylan Beaudette
On Fri, Jan 2, 2009 at 4:55 AM, Jarek Jasiewicz jar...@amu.edu.pl wrote: Hi I tirend used r.quantile on SRTM data for Poland (min value about to 0, max value about to 2500 m a.s.l) r.quantile input=pol...@permanent quantiles=4 percentiles=0.001,0.01,0,1,0.25,0.50,0.75,0.90,0.99,0.999

[GRASS-user] interpolating with a covariate - v.vol.rst

2009-01-06 Thread Dylan Beaudette
, but this is not quite what I am after. I am looking to do something very similar to interpolation of rainfall data, taking into account the orographic effect of terrain. I would be happy to add an example or two to the man pages. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory

Re: [GRASS-user] interpolating with a covariate - v.vol.rst

2009-01-07 Thread Dylan Beaudette
On Tue, Jan 6, 2009 at 2:33 PM, Markus Neteler nete...@osgeo.org wrote: Dylan, On Tue, Jan 6, 2009 at 10:01 PM, Dylan Beaudette debeaude...@ucdavis.edu wrote: Hi, For some crazy reason I was under the impression that it is possible to do interpolation with a covariate with v.vol.rst

Re: [GRASS-user] To change DEM resolution

2009-01-19 Thread Dylan Beaudette
resolution? Thanks Regards Edmondo if you are using GRASS64, check out r.resamp.interp, otherwise r.bilinear should do the trick. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341

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