On Tue, Aug 28, 2012 at 9:05 PM, Micha Silver mi...@arava.co.il wrote:
A few more details regarding v.out.ogr when layer=2
I see this ticket, possibly similar: http://trac.osgeo.org/grass/ticket/991
I tried to export to PostGIS, and again, all attribute fields are created
but all values are
On Sun, Aug 26, 2012 at 12:19 AM, Glynn Clements
gl...@gclements.plus.com wrote:
Markus Metz wrote:
So I misunderstood something about IEEE precision, sorry about the
confusion! Coming back to the original problem, it seems that it can
be solved for DCELL by using .15g instead of .10f
On Sun, Aug 26, 2012 at 10:23 PM, Martin Landa landa.mar...@gmail.com wrote:
Hi,
2012/8/26 Valentin Wittich vwitt...@gmail.com:
Hi all, I need help with a simple function. I tried to import a Shape file
with v.in.ogr and as result the function crashed / aborted (core dumped).
If possible,
On Thu, Aug 23, 2012 at 11:52 PM, Glynn Clements
gl...@gclements.plus.com wrote:
Markus Metz wrote:
So if I understand you correctly: 1.0e-15 is the smallest number for
values in attribute columns although the values in a DCELL raster
can be smaller? A bottleneck is v.what.rast which
On Fri, Aug 24, 2012 at 10:40 AM, Johannes Radinger
johannesradin...@gmail.com wrote:
Hi,
So I misunderstood something about IEEE precision, sorry about the
confusion! Coming back to the original problem, it seems that it can
be solved for DCELL by using .15g instead of .10f, i.e. use the
On Fri, Aug 24, 2012 at 11:27 AM, Markus Metz
markus.metz.gisw...@gmail.com wrote:
On Fri, Aug 24, 2012 at 10:40 AM, Johannes Radinger
johannesradin...@gmail.com wrote:
Hi,
So I misunderstood something about IEEE precision, sorry about the
confusion! Coming back to the original problem
On Thu, Aug 23, 2012 at 10:35 AM, Johannes Radinger
johannesradin...@gmail.com wrote:
Hi,
I have a GRASS raster map which contains small values (e.g 2.5e-15) among
others.
This is (dangerously) close to the IEEE limit of double precision
floating point values. If GRASS tests for fp precision,
On Thu, Aug 23, 2012 at 2:40 PM, Johannes Radinger
johannesradin...@gmail.com wrote:
I have a GRASS raster map which contains small values (e.g 2.5e-15) among
others.
This is (dangerously) close to the IEEE limit of double precision
floating point values. If GRASS tests for fp precision, it
Radinger
johannesradin...@gmail.com wrote:
On Thu, Aug 23, 2012 at 3:23 PM, Markus Metz
markus.metz.gisw...@gmail.com wrote:
On Thu, Aug 23, 2012 at 2:40 PM, Johannes Radinger
johannesradin...@gmail.com wrote:
I have a GRASS raster map which contains small values (e.g 2.5e-15) among
others
On Thu, Aug 16, 2012 at 1:10 PM, Stefan Luedtke slued...@gfz-potsdam.de wrote:
Dear friends,
I am struggling with the following point.
I have created a shape of subbasins based on a raster data set. Since this
yields some tiny (pixel size) areas, I run v.clean with a certain
threshold to
On Wed, Jul 25, 2012 at 5:59 AM, Hamish hamis...@yahoo.com wrote:
Markus Metz wrote:
An example for vector processing using the basins raster
created in the previous step:
1) convert the basins to vector areas with r.to.vect -v feature=area
2) load average elevation for each basin
On Mon, Jul 23, 2012 at 2:32 AM, Hamish hamis...@yahoo.com wrote:
There's a copy of the quickstart in the GRASS wiki. Note that
when I wrote it there was a GRASS workshop at the targeted FOSS4G
conference which was going to focus on vector processing, so I
didn't bother to put much of that in
On Mon, Jul 16, 2012 at 2:14 PM, Johannes Radinger jradin...@gmx.at wrote:
Hi again,
I did another test now and found out following:
It seems that the problem with the sqlite database
might be related to the directory of my grass location.
When I try my to save the location on my local
Hi,
On Mon, Jul 16, 2012 at 4:02 PM, Johannes Radinger jradin...@gmx.at wrote:
Hi,
after some search in the internet, it seems
the sqlite doesn't work very well with samba-network
drives (mounted via cifs). There is somehow
an issue with the locking of the db.
I think I found the reason
On Sat, Jul 14, 2012 at 3:14 AM, Gerald Nelson nelson.ger...@gmail.com wrote:
We need to have a raster eps or pdf that has a dpi of 300. Reading through
the old list entries it appears that ps.map had a hard coded limit of 75
dpi.
The spatial detail represented in the output of ps.map is
On Mon, Jul 2, 2012 at 9:03 AM, Marcello Gorini gor...@gmail.com wrote:
Makus:
What are the extents of the vector in latlon before projecting into
the mercator location? Note that regions spanning 180 degrees
longitude or more can not be reprojected to mercator locations due to
mathematical
On Mon, Jul 2, 2012 at 10:56 AM, DavidRA theboss...@gmail.com wrote:
I guess I could use the code of r.series, modifying it a bit to obtain a new
function. The problem is that... man, that code is hard to understand. I do
have some notions of C, but here I'm finding a lot of trouble to see what
, if the border problem arouse from reprojecting with a method
other than nearest, you can use in trunk as resampling method one of
bilinear_f,cubic_f,lanczos_f with r.proj to avoid the border effect.
Markus M
giovanni
2012/6/19 Markus Metz markus.metz.gisw...@googlemail.com
On Tue, Jun 19
On Tue, Jun 19, 2012 at 12:39 PM, G. Allegri gioha...@gmail.com wrote:
Hi Marcello,
thanks, but my problem is not finding the border. I already have it (with
its own category) but assigning it the value from the surrounding (not null)
value, e.g. max/min/etc.
The problem with kernel
On Tue, Jun 19, 2012 at 6:15 PM, G. Allegri gioha...@gmail.com wrote:
AFAICT, r.neighbors ignores NULL values and assigns the new value from
the surrounding non-NULL values. You could then patch your original
map with the output of r.neighbors.
I have considered r.neighbors but I need to
On Mon, Jun 18, 2012 at 5:46 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
The standard conversion factor from feet to meters is 1 ft = 0.3048 m.
However, the conversion factor for US Survey Feet (frequently the distance
unit in the US State Plane Coordinate System) is 1 US ft = 0.3600 m.
On Wed, Jun 13, 2012 at 12:21 AM, Chaulio Ferreira chau...@hotmail.com wrote:
Markus M,
Thanks for answering. I'll try to use the default 500mb. But I still think
these differences in the times are too big.
I was testing a bit and can confirm the differences. Still, r.viewshed
is much faster
On Tue, Jun 12, 2012 at 11:28 AM, Margherita Di Leo direg...@gmail.com wrote:
Hi,
there is also r.convergence add-on:
http://grass.osgeo.org/wiki/GRASS_AddOns#r.convergence
BTW, the topographic convergence index is also available in
r.watershed in GRASS 7.
Markus M
Regards,
madi
On
On Tue, Jun 12, 2012 at 11:41 AM, Johannes Radinger jradin...@gmx.at wrote:
Hi,
I doing species distribution modeling in R using the package
'dismo'[1]. The predict() function produces a output raster file
with the prediction of the species distribution. The file which is created
is a grd
On Tue, Jun 12, 2012 at 5:23 AM, Glynn Clements
gl...@gclements.plus.com wrote:
Daniel Lee wrote:
ERROR: G_malloc: unable to allocate 18446744071974792324 bytes at gsds.c:575
18446744071974792324 = 0x9899ac84
Does anybody know what could be the problem? If I'm interpreting the
On Tue, Jun 12, 2012 at 9:52 PM, Chaulio Ferreira chau...@hotmail.com wrote:
Hello everyone,
I've been trying to compute some viewsheds using the r.viewshed module
(available in http://grass.osgeo.org/wiki/GRASS_AddOns), but it's taking to
long to finish.
I ran this module on a 5000x5000
On Sat, Jun 9, 2012 at 4:50 PM, Salvatore Mellino
salvatore.mell...@gmail.com wrote:
Hi,
is it possible to cut off a floating point map to the 4th decimal digit?
Which is the procedure?
Try
r.mapcalc rounded = int(fp_map * 1) / 1.0
Markus M
On Sat, Jun 9, 2012 at 6:38 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
On Sat, 9 Jun 2012, Margherita Di Leo wrote:
Try also multiple flow direction (MFD) algorithm ( -f flag in
r.watershed)
madi,
That was much worse. The basins were even less realistic. I also tried the
-4
On Fri, Jun 8, 2012 at 5:58 AM, Daniel Victoria
daniel.victo...@gmail.com wrote:
Hi all,
I'm having a hard time trying to get one boundary polygon file from
four smaller shapes. I'm using wingrass7, daily build from today.
This is how it goes. I have four boundaries which I imported and
On Fri, Jun 8, 2012 at 2:44 PM, Johannes Radinger jradin...@gmx.at wrote:
Hi,
I have a R data.frame containing around 60 columns, two of them are X and Y
respectively. What is the recommended way to get these points imported into
GRASS?
Maybe the simplest way is to save the data.frame as
On Fri, Jun 8, 2012 at 2:25 PM, Jaromír Kamler kam...@centrum.cz wrote:
Hi,
I have two vectors imported from SHP. One contains lines (areas), which
represents sites and in other are texts with cost of sites. I imported them
to GRASS. Texts with costs of ground are now points with cost in
cavall...@faunalia.it wrote:
Il 28/05/2012 21:17, Markus Metz ha scritto:
not to java SEXTANTE. While on it (the blaming), I think it is time
for Paolo to apologize for his rude [1] comments [2][3][4][5][6][7]
earlier in the thread.
I'm more than happy to apologize if I have hurt
Moritz Lennert wrote:
On 28/05/12 12:30, Markus Metz wrote:
On Mon, May 28, 2012 at 11:52 AM, spiderplant0spiderpla...@gmail.com
wrote:
Hi. It doesn't add any new information but I wanted the .dbf file to be
there
so I can open it up with other tools and check the contents for debug
On Mon, May 28, 2012 at 11:52 AM, spiderplant0 spiderpla...@gmail.com wrote:
Hi. It doesn't add any new information but I wanted the .dbf file to be there
so I can open it up with other tools and check the contents for debug
purposes etc. And I wanted to change the column to the correct name
On Mon, May 28, 2012 at 2:47 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 28/05/2012 14:33, Benjamin Ducke ha scritto:
SEXTANTE and gvSIG CE share a bug tracker
at http://bugs.gvsigce.org, a decision that
was made together with Victor Olaya a while
Hi all.
Sorry for the
Daniel Victoria wrote:
Crap... I looked out the windows and realized the atcoor vs. flaash
comparison I just did had a major flaw. I also have a good linear
regression between uncorrected radiance and reflectance from bothe
flaash and atcoor. So a linear regression between flaash and atcoor
On Mon, May 28, 2012 at 6:02 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 28/05/2012 17:56, José Antonio Canalejo Alonso ha scritto:
we have put also a lot effort in SEXTANTE and in gvSIG/gvSIG CE. I like a
lot these
projects and also QGIS and I think it's positiv to see both
On Sun, May 27, 2012 at 5:01 PM, Micha Silver mi...@arava.co.il wrote:
Looking at v.dissolve ( which uses v.reclass ) I see that it fails when the
vector has an sqlite based attribute table:
This sqlite issue should already be fixed in GRASS 7, and v.dissolve
waits for testing before the fix
On Sun, May 27, 2012 at 2:38 PM, spiderplant0 spiderpla...@gmail.com wrote:
When I run v.dissolve on my vector...
*v.dissolve --o input=pass2@mapset1 layer=1 column=fttcp output=pass3*
The dissolving appears to work but the column name in the attribute table
has changed from 'fttcp' to
Hamish wrote:
[...] I've just added an experimental
module in GRASS addons called r.to.vect.lines.
http://grass.osgeo.org/wiki/GRASS_AddOns#r.to.vect.lines
ps- if any python+ctypes experts want to have a look over it please do...
especially to fix the G_is_null_value() call which is
On Tue, May 8, 2012 at 9:41 PM, Alejandro Coca Castro aco...@gmail.com wrote:
Hi Mark, i followed your instructions, so i put in command-line
This
g.region rast=MASK@default nsres=0:00:07.5 ewres=0:00:07.5
will adjust, i.e. modify the resolution in order to fit into the
extents. The extents
On Wed, May 9, 2012 at 9:19 AM, ivan marchesini
ivan.marches...@gmail.com wrote:
Dear Markus,
thank you for your answer.
Please report if the stream segments are as expected, because the
determination of half-basins and basins is based on the stream
segments.
this is the map of streams:
of Arcmap ASCII...
I think instead of r.out.arc, you can also use r.out.gdal
format=AAIGrid and see if that gives a better match.
Markus M
Mark, i set the region as you tried...
Thanks in advance,
2012/5/9 Markus Metz markus.metz.gisw...@googlemail.com
On Tue, May 8, 2012 at 9:41 PM
On Mon, May 7, 2012 at 1:08 PM, ivan marchesini
ivan.marches...@gmail.com wrote:
Dear Grass users,
I have noted a strange result from r.watershed using the MDF option
(with all levels of convergence).
This is a part of my DEM:
http://imageshack.us/photo/my-images/690/demv.png/
This is
On Tue, May 8, 2012 at 6:09 PM, Alejandro Coca Castro aco...@gmail.com wrote:
Hi, i tried to convert the following enviroments settings to GRASS g.region
and r.mask for the next ARCGIS output (ASCII file):
fileTIF = rx:\test\fileTIF.tif
MASK = rx:\test\mask_file
env.extent =
On Tue, May 8, 2012 at 6:27 PM, Alejandro Coca Castro aco...@gmail.com wrote:
Hi, i forgot... below I have included the gdalinfo from both ouputs (ArcMap
and GRASS). Any ideas as to what else I should check would be appreciated.
ArcMap output gdalinfo
The extents and resolution seem
On Thu, May 3, 2012 at 12:49 AM, Rich Shepard rshep...@appl-ecosys.com wrote:
On Thu, 3 May 2012, Markus Neteler wrote:
It is in the cats/ subdirectory.
Markus,
Interesting:
# 166 categories
Watershed basins
0.00 0.00 0.00 0.00
dem.basin lines 1-4/4 (END)
They are created if the
On Thu, May 3, 2012 at 10:07 PM, Marcello Benigno
benigno.marce...@gmail.com wrote:
Any solution? I also tried using the r.thin but keep having the same problem
If you are using GRASS 6.4.1, this is a bug in v.out.ogr that has been
fixed in 6.4.2.
Markus M
Thanks in advance,
2012/5/2
If this happens with GRASS 6.x, I think the expected output can be
obtained by adding the -c flag: Export features with category
(labeled) only. Otherwise all features are exported
v.out.ogr type=line input=esw_g26a format=KML dsn=main.kml layer=7 -c
The meaning of the -c flag has been reverted
On Thu, Apr 19, 2012 at 6:17 PM, Markus Neteler nete...@osgeo.org wrote:
Hi all,
does anyone have a new(er) trick for negative vector buffers (in GRASS 7)?
Internal buffers of areas are now (r51573) supported in trunk with
negative distances if GEOS support is enabled, i.e. v.buffer
On Tue, Apr 24, 2012 at 4:13 PM, Daniel Victoria
daniel.victo...@gmail.com wrote:
Hi all,
Just installed the latest Wingrass 7, build 51507-212, from
http://wingrass.fsv.cvut.cz/grass70/ and when I try to run Grass 7 I
get the following error at the windows comand prompt:
On Mon, Apr 23, 2012 at 12:17 AM, Rich Shepard rshep...@appl-ecosys.com wrote:
On Sun, 22 Apr 2012, Markus Metz wrote:
I guess so because you said that r.stream.extract works with the
unweighed accumulation map. How exactly did you calculate the weight?
Markus,
r.param.scale in=dem_10m
On Fri, Apr 20, 2012 at 7:01 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
On Fri, 20 Apr 2012, Markus Metz wrote:
Try to set the region and MASK before the analysis, then don't modify
these settings during the analysis. Something like
g.region vect=basins align=dem_proj
g.region res=10m
On Thu, Apr 19, 2012 at 10:57 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
On one project the r.stream.extract error, Accumulation map does not
match elevation map!, was caused by a mask on the elevation map. With this
project the mask was removed, and no longer limits the DEM region.
It
On Wed, Apr 18, 2012 at 10:26 AM, Pankaj Kr Sharma pks...@gmail.com wrote:
Vector not getting imported in GRASS v7.0 latest svn.
After completion of the import process, following error message is displayed
:
Command 'd.vect map=%@%' failed
Details: The bounding box of the map is outside the
Andres Kuusk wrote:
Hi!
It seems to me that some v.db.* modules do not do what is described in the
manual.
I am using GRASS-7.0 r51370 and Postgres data base.
In the manual I read: It is possible to link the geographic objects in a
vector map to one or more tables.
All vector objects
On Wed, Apr 11, 2012 at 12:19 AM, Michael Barton michael.bar...@asu.edu wrote:
In GRASS 7, how can you fix the following error?
Coor file of vector map coast3@SAA2012_survey_analysis is larger than it
should be (154662962 bytes excess)
That can happen if a module exists with an error before
[Answering to your latest post in a new thread, but I prefer to keep
it all in one thread.]
On Tue, Apr 10, 2012 at 1:54 AM, Rich Shepard rshep...@appl-ecosys.com wrote:
On Mon, 9 Apr 2012, Markus Metz wrote:
The computational region should be aligned to the DEM in order to get
accurate
On Mon, Apr 9, 2012 at 12:08 PM, Paulo van Breugel
p.vanbreu...@gmail.com wrote:
I can confirm there are issues in how GRASS 7 handles region settings. In my
case, when using v.to.rast, the region settings are reset to the default,
i.e., the raster is converted using the default region settings
Considering the length of this thread and the various issues
mentioned, it seems that I need to update the manual of
r.stream.extract a bit. I will try to address the issues:
r.stream.extract is designed to work with a DEM only or with a DEM and
a flow accumulation map as input. This flow
tomte wrote:
Dear folks,
I am using GRASS 6.4.1 (2011) on Mac (mac os x 10.7.3). Generally I am
running GRASS without any trouble but calling r.terraflow from the command
line generates the following error comments:
MM error: limit =0B. allocating 16B. limit exceeded by 24B.
Assertion
On Mon, Apr 9, 2012 at 9:09 PM, tomte tomte.tume...@gmx.ch wrote:
below the output of g.region -p
GRASS 6.4.1 (kana_cat0206):~/GIS/kanada/modelling/nka_05m/catch_0206_SA
g.region -p
projection: 1 (UTM)
zone: 11
datum: nad83
ellipsoid: grs80
north: 5652250
south:
are not messing up your polygon layer.
On 04/02/2012 09:09 PM, David J. Bakeman wrote:
Markus Metz wrote:
On Sun, Apr 1, 2012 at 11:45 PM, David J. Bakemandbake...@comcast.net
wrote:
David J. Bakeman wrote:
Markus Neteler wrote:
On Sun, Apr 1, 2012 at 9:45 PM, David J. Bakemandbake
On Sun, Apr 1, 2012 at 11:45 PM, David J. Bakeman dbake...@comcast.net wrote:
David J. Bakeman wrote:
Markus Neteler wrote:
On Sun, Apr 1, 2012 at 9:45 PM, David J. Bakemandbake...@comcast.net
wrote:
I didn't find an answer in the archives so.
I have a shapefile of polygons and some of
Lars Forseth wrote:
Thanks Daniel.
But no, I was not able to make your suggestion work; it complains that it
dos not know the command 'For'...
In Linux shell and msys this must be lowercase, i.e.
for i in *.arc
do r.in.arc $i output name here
done
or
for i in *.arc
do r.in.arc in=$i
On Tue, Mar 27, 2012 at 8:21 PM, Kurt Springs ferret_b...@mac.com wrote:
I am having a problem reprojecting vector maps from lat/long to Irish
National Grid. I have been using v.proj:
v.proj input=Lakes location=IrelandGeo output=Lakes1
and got:
pj_transform() failed: latitude or
On Tue, Mar 27, 2012 at 1:17 PM, Ripsime Khachatryan kul...@mail.ru wrote:
Hi all
I would like to asks if anybody calculated the vegetation index using OpenMP,
and can anybody give me detailed information how to do that.
I performed the same operation using MPI, so I am familiar with
On Wed, Mar 28, 2012 at 2:06 PM, antonio.ro...@deimos.com.pt wrote:
Greetings
Daniel lee suggested me that the problem might be the defined region. But,
as far as I know, Defined region has no impact over importing data. This is
true right?
Yes, r.in.gdal ignores the current region. The
mentioned only a grid mismatch between the two
imported versions. Comparing r.info of these to gdalinfo of the
original raster will tell you which version is correct.
Markus M
On Wed, 28 Mar 2012 14:49:42 +0200, Markus Metz
markus.metz.gisw...@googlemail.com wrote:
On Wed, Mar 28, 2012 at 2:06 PM
On Mon, Mar 26, 2012 at 5:32 PM, Filipe Silva Dias
filipesd...@gmail.com wrote:
Thanks, it took a while but it worked.
You are welcome to compare it to alternatives ;)
On Mon, Mar 26, 2012 at 3:11 PM, Markus Metz
markus.metz.gisw...@googlemail.com wrote:
On Sun, Mar 25, 2012 at 2:59 PM
On Sun, Mar 25, 2012 at 11:49 AM, Markus Metz
markus.metz.gisw...@googlemail.com wrote:
On Sun, Mar 25, 2012 at 12:30 PM, Filipe Silva Dias
filipesd...@gmail.com wrote:
I switched the resolution from 30x30 to 100x100 and now it works.
Problem
solved.
On Sun, Mar 25, 2012 at 11
On Sun, Mar 25, 2012 at 12:30 PM, Filipe Silva Dias
filipesd...@gmail.com wrote:
I switched the resolution from 30x30 to 100x100 and now it works. Problem
solved.
On Sun, Mar 25, 2012 at 11:12 AM, Filipe Silva Dias filipesd...@gmail.com
wrote:
I'm using GRASS 6.4.2 and I'm on Windows 7
Sensing und dem GIS-Lab Marburg.
Am 25. März 2012 12:49 schrieb Markus Metz
markus.metz.gisw...@googlemail.com:
On Sun, Mar 25, 2012 at 12:30 PM, Filipe Silva Dias
filipesd...@gmail.com wrote:
I switched the resolution from 30x30 to 100x100 and now it works.
Problem
solved.
On Sun
On Mon, Mar 19, 2012 at 7:03 PM, spiderplant0 spiderpla...@gmail.com wrote:
I have a shapefile containing points that I want to make into a voronoi
diagram. I import the shapefile into GRASS and then run v.voronoi, but I
then get this error...
C:\Program Files (x86)\Quantum GIS
On Sat, Feb 25, 2012 at 7:52 PM, Michael Barton michael.bar...@asu.edu wrote:
The trick for many things in GRASS is to think raster instead of thinking
vector.
Make a raster DEM from your map (if you don't already have one).
Query the raster (e.g., with r.mapcalc or r.reclass) to create a
On Thu, Feb 23, 2012 at 11:29 AM, Moritz Lennert
mlenn...@club.worldonline.be wrote:
On 23/02/12 07:19, Markus Metz wrote:
On Wed, Feb 22, 2012 at 11:31 AM, Elisa Solano Villareal
villar...@fbk.eu wrote:
Thanks for your answer.
The cost surface used as input
for r.cost must have only
) == 0' failed.
Can you try r.cost with percent_memory=30 (default is 100)?
Markus M
Please, can you give more information.
Thanking you in advance,
Elisa
From: Markus Metz [markus.metz.gisw...@googlemail.com]
Sent: Tuesday, February 14, 2012 12:39
On Thu, Feb 23, 2012 at 8:14 PM, Hamish hamis...@yahoo.com wrote:
Moritz wrote:
If you create buffers around points which have category
values and you would like to assign those values to the buffers,
you can then (after v.category) do something like this:
v.db.addtable yourbuffers
: Markus Metz [markus.metz.gisw...@googlemail.com]
Sent: Tuesday, February 14, 2012 12:39 PM
To: Elisa Solano Villareal
Cc: grass-user@lists.osgeo.org
Subject: Re: [GRASS-user] The algorithm r.cost is not working
On Tue, Feb 14, 2012 at 11:56 AM, Elisa Solano Villareal
villar...@fbk.eu wrote
Milton Cezar Ribeiro wrote:
Dear Grass gurus
I have a vector map with lines, and I need to get raster values each 5 meters.
So I used v.split to spring my lines in segments of 5 meters, and
after that I used
v.to.points to generate points on each node of my line segments.
Now I am trying
On Wed, Feb 15, 2012 at 5:46 PM, lucien.blandenier
lucien.blanden...@unine.ch wrote:
Hello,
I want to remove small vector in a shp. I tried with v.generalize but I only
managed to remove segment of a line.
The image shows in black the vectors I want to clean. And in green is the
result I
On Tue, Feb 14, 2012 at 11:56 AM, Elisa Solano Villareal
villar...@fbk.eu wrote:
Hi there,
I have a question, I am working with r.cost algotithm but is not running for
my whole spatial data but when a put just a piece of the map it works.
The main problem is that the algorithm does not
...
Markus M
Il 27/01/2012 18:53, Markus Metz ha scritto:
The only two options I can think of is giving v.edit a try, otherwise
hand-editing.
Urgh! Too bad, thanks anyway.
Why does breaking not work? Maybe you need remove duplicates and clean
small angles at nodes. You could try
v.clean
On Sat, Feb 11, 2012 at 7:49 PM, Stefan Luedtke slued...@gfz-potsdam.de wrote:
Sorry for the delay... and thanks for the fast answer.
Adding a column and then running a command in the sense of v.dissolve is
not an option because there are just to many. I was thinking of a way that
combines
Johannes Radinger wrote:
Hello,
after some month a tried an script again which
calls v.generalize. It seems that this module
has changed in version 6.4.2 and 6.5SVN.
Before I could use following:
grass.run_command(v.generalize,
input = input,
On Sun, Jan 29, 2012 at 1:12 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 28/01/2012 11:58, Markus Metz ha scritto:
are left have mixed up attributes. That was fixed such that boundaries
are not generalized if the generalization would damage topology. For
OK, now I see. I think
On Sat, Jan 28, 2012 at 9:12 AM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 27/01/2012 19:24, Markus Metz ha scritto:
v.generalize is broken in 6.4.1
oh, so it's the different version - I didn't know v.generalize was changed
recently,
thanks for letting me know. strangely enough
On Fri, Jan 27, 2012 at 1:02 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 26/01/2012 20:41, Markus Metz ha scritto:
On Mon, Jan 23, 2012 at 8:00 PM, Paolo Cavallini cavall...@faunalia.it
wrote:
Hi all.
A couple of issues I ran into today:
- I have a layer with some good and some bad
On Fri, Jan 27, 2012 at 1:32 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 26/01/2012 20:53, Markus Metz ha scritto:
You would need to provide the input, not the output as an example.
https://int.faunalia.it/~paolo/province.zip
Considering the detail of the output and the threshold
On Fri, Jan 27, 2012 at 7:01 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 27/01/2012 19:02, Markus Metz ha scritto:
same output. That is, if Province_general3 has been generated on
windows, I do get the same result on Linux, no difference between the
OS's. Are you using an older grass
On Mon, Jan 23, 2012 at 8:00 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Hi all.
A couple of issues I ran into today:
- I have a layer with some good and some bad polygons; how do I import it
into GRASS
letting the bad ones snapping onto the good ones, and not vice versa?
You could try
On Wed, Jan 25, 2012 at 11:03 AM, Paolo Cavallini cavall...@faunalia.it wrote:
Hi all.
Commands like:
v.generalize input=province@Mapset_stefano type=area layer=1 -c
type=boundary method=douglas threshold=10 look_ahead=7
reduction=50 slide=0.5 angle_thresh=3 degree_thresh=0
On Wed, Jan 18, 2012 at 8:32 PM, Martin Landa landa.mar...@gmail.com wrote:
Hi,
currently `v.edit` does not modify linked attribute tables when
deleting features, eg.
$ v.edit map=a tool=delete cat=1
$ v.db.select a where=cat=1 -c | wc -l
1
I am not sure if this behaviour is preferred
On Mon, Jan 9, 2012 at 8:42 PM, leonidas leonidas_lia...@yahoo.gr wrote:
I created a raster using *r.grow.distance*
I need to rescale that file to a scale 0-255 but in reverse order where high
values in distance file will be converted in low values to the rescaled
file.
I'm using the
On Thu, Jan 5, 2012 at 12:16 PM, Paolo Cavallini cavall...@faunalia.it wrote:
Il 04/01/2012 20:55, Micha Silver ha scritto:
I guess you mean r.water.outlet?
Yes, sorry.
1- The input must be the drainage *direction* map from r.watershed.
ok
2- And it's crucial that the easting and
On Thu, Jan 5, 2012 at 12:12 PM, Massimiliano Cannata
massimiliano.cann...@supsi.ch wrote:
Moreover,
check that your dem has sinks filled (r.fill.dir)
Since the drainage map has been created by r.watershed, sink filling
is not only not needed but does more harm than good and should not be
used
On Fri, Jan 6, 2012 at 9:42 AM, Moritz Lennert
mlenn...@club.worldonline.be wrote:
On 06/01/12 09:23, Markus Metz wrote:
On Thu, Jan 5, 2012 at 12:12 PM, Massimiliano Cannata
massimiliano.cann...@supsi.ch wrote:
Moreover,
check that your dem has sinks filled (r.fill.dir)
Since
On Mon, Oct 31, 2011 at 1:27 PM, Moritz Lennert
mlenn...@club.worldonline.be wrote:
On 31/10/11 11:34, Markus Metz wrote:
On Mon, Oct 31, 2011 at 11:22 AM, Moritz Lennert
mlenn...@club.worldonline.be wrote:
On 31/10/11 10:08, Markus Metz wrote:
On Sat, Oct 29, 2011 at 11:25 AM, Moritz
:
1. r.grow by one cell on area of interest. (It's an important step. Thanks
to Markus Metz for this tip.) Time taken by the module: approximately 2
hours.
2. r.stream.extract on my area of interest.(42000*42000 cells) with 100
sq.km. as threshold (12345 in number of cells.)
Above you said
On Fri, Dec 16, 2011 at 7:03 AM, Micha Silver mi...@arava.co.il wrote:
I find that after running each of the v.lidar.* the resulting vector lacks
topology, so I can't view the categories:
i.e. (after v.lidar.correct):
GRASS 6.4.2RC1 (ITM):~/GIS/DEM/LIDAR_EinYahav v.category south_correct
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