current research.
Cheers,
Dylan
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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
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
.
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
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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
modeling examples with GRASS and R
D
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that the topology must be built for this command
to work.
If they are huge data - try merging them as text files.
Dylan
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?
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to be included as a standard module, or is that
pending some user tests?
thanks,
Dylan
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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
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
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
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University
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
with r.out.gmt it is...) may help.
Cheers,
Dylan
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University of California at Davis
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template.sh
Description: application/shellscript
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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
/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
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, 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
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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
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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
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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
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
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
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
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
.
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
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Dylan
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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
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all of the shapefiles in the directory and load them
Regards
Chris
Cheers,
Nikos
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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?
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,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
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
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
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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
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University of California at Davis
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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
://169.237.35.250/~dylan/temp/good_shade.png
This was done with today's SVN.
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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
:
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!
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radius ?
Dylan
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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
100 m from your point of interest)
)
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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
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
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http
://casoilresource.lawr.ucdavis.edu/drupal/node/244
Cheers,
Dylan
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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
of this communication is not the intended recipient, you are hereby
notified that any dissemination, distribution, or copying of this
communication is strictly prohibited.
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libraries for
constructing XML/RSS - so there wouldn't be a need for wheel-reinventing.
Dylan
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This is an excellent tip. Is this documented anywhere?
Cheers,
Dylan
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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,
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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:
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
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
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
.
http://casoilresource.lawr.ucdavis.edu/drupal/node/548
Dylan
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.
http://casoilresource.lawr.ucdavis.edu/drupal/node/560
Cheers,
Dylan
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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
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are interested in learning.
Cheers,
Dylan
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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
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
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
Thought this would be of interest:
http://www.cs.unc.edu/~isenburg/papers/ilsst-tin2dem-06.pdf
Cheers,
Dylan
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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
, 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
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
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
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.
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not within a
raster-only context. It would be interesting to compare the results!
Cheers,
Dylan
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it integrated into GRASS, too.
Markus
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University
?
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.
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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
several approaches, but v.surf.rst is likely a good starting point.
cheers,
Dylan
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(x.pca$rotation), 2)
PC1 -0.730 -0.56 -0.38
PC20.680 -0.64 -0.36
PC30.041 0.53 -0.85
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If you don't need topology PostGIS can scale very nicely with large vector
data sets.
Cheers,
Dylan
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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:
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
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
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
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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
.
Cheers,
Dylan
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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
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
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
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
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
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
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
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
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
, 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
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
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
about the output from r.param.scale...
Dylan
--
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341
___
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grass-user@lists.osgeo.org
http://lists.osgeo.org
On Thu, Jan 29, 2009 at 4:22 AM, Nikos Alexandris
nikos.alexand...@felis.uni-freiburg.de wrote:
On Wed, 2009-01-28 at 18:05 +0100, Nikos Alexandris wrote:
Not sure if I should post this here. I have a problem compiling starspan
with support for GRASS.
# configuring reports no problems
file, I open the dbf in OOCalc and replace the first line with the
header that I copy from the original text file.
I was just wondering if there isn't an easier, more elegant method to do
so.
Thanks
Harald
Which version of GRASS?
--
Dylan Beaudette
Soil Resource Laboratory
http
station elevation in meters above
mean sea level (MSL).
Extracted from a document --
This stuff is also on pages 40-41 of this document:
http://169.237.35.250/~dylan/d_e_beaudette-ms_thesis.pdf
Cheers,
Dylan
Hamish
--
Dylan Beaudette
Soil Resource Laboratory
http
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