I found this with a search of freshmeat.net. Perhaps it will work, and
free. Let us know.
http://www.pstoedit.net/
Cheers,
John
On Jan 19, 2008, at 6:43 PM, Kurt Heston wrote:
Paul,
That tool works GREAT! I tried it, half expecting it to simply
discard what it couldn't convert like all
Another possibility, perhaps, would be to export the raster result of
v.to.rast and do some editing in an image application, like the Gimp.
You can try to isolate the river from the other raster information and
save that, then re-import to grass, r.to.vect, etc.
There may be a way to work
:-splineaspolyline roads.pdf roads.dxf
Without the -splineaspolyline argument the DXF looks just like the
other conversions that didn't work.
I now have a solution with the right licensing model. Thanks for
the suggestion!
--Kurt
John C. Tull wrote:
I found this with a search
Corrado,
You can do this with v.select:
v.select ainput=input_points binput=input_polygon out=output_points
Cheers,
John
On Mar 3, 2008, at 8:02 AM, Corrado wrote:
Dear friends,
I have a shape file, with some polygons. (I have imported it as
vector layer.)
I have a point, expressed as
That's great to hear. If there is to be a complaint about open source,
it would be that there are many great ways to achieve the same result.
Of course, this is actually a compliment.
You will find the environment that you are most comfortable working in
and develop your own solutions. If
I have not found a way to work directly with postgis tables. You can
use v.in.ogr like this:
v.in.ogr dsn=PG:dbname=your_postgis_db host=yourhost
layer=table_from_postgis out=new_layer
You then have the postgis table available as a layer in grass, but you
will not be able to edit it
I have a road network where I want to convert the road lines into
boundaries, then turn the resulting spaces inside of roads into areas.
Converting the roads to boundaries was no problem using v.type and
v.clean tool=snap, but getting centroids into the polygons is
trickier. Apparently,
On Mar 19, 2008, at 12:53 PM, Nikos Alexandris wrote:
On Wed, 2008-03-19 at 12:12 -0700, John C. Tull wrote:
On Mar 19, 2008, at 11:08 AM, Nikos Alexandris wrote:
John,
maybe you could try
v.clean with type=line,boundary,centroid,area
tool=snap,break,rmdupl
thresh=.01
Not sure but I
Where GRASS fails relative to ESRI products is in cartographic map
output. Others may differ with my view, but creating high-quality map
outputs in GRASS is non-trivial. I have started using Mapserver to
create my cartographic maps. Generic Mapping Tools is another option,
but one that I
On Apr 25, 2008, at 1:17 AM, Hamish wrote:
Wolf:
Arc is perhaps a bit stronger on the cartography side of things, but
with a bit of patience you can produce nice maps with GRASS.
John wrote:
Where GRASS fails relative to ESRI products is in cartographic map
output. Others may differ with my
I've used gpsbabel for moving points, tracks, and routes to/from a
Garmin GPSV.
http://www.gpsbabel.org
John
On Aug 7, 2008, at 5:17 AM, John Stevenson wrote:
I have digitised some points, roads and a lake in GRASS and would
like to be able to upload them onto my Garmin Etrex Legend.
I
You need to do it as a route, not a track, to avoid the ends
connecting. I did this last year, and I think it worked as one would
hope.
Here was my process:
1) Generate the vector line.
2) Reduce the number of nodes if your GPS is limited in available
storage with v.generalize (this can
I was wondering if anyone could suggest a simple shell script to
automate the process of running v.to.rast on all layers in a single
vector in GRASS?
Thank you,
John
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Hamish:
On Sep 19, 2008, at 6:45 PM, Hamish wrote:
John Tull wrote:
I was wondering if anyone could suggest a simple shell script to
automate the process of running v.to.rast on all layers in
a single vector in GRASS?
sure, just a bash for loop + g.mlist will do it:
for MAP in `g.mlist
On Sep 19, 2008, at 7:07 PM, John C. Tull wrote:
Hamish:
On Sep 19, 2008, at 6:45 PM, Hamish wrote:
John Tull wrote:
I was wondering if anyone could suggest a simple shell script to
automate the process of running v.to.rast on all layers in
a single vector in GRASS?
sure, just a bash
On Sep 20, 2008, at 1:25 PM, Kris Nackaerts wrote:
Dear all,
I'm new to GRASS and am interested in running analysis from the
command line. My idea is to make a batch script that creates for
example png files.
I did search for documentation, but could not find the right
information to
On Sep 20, 2008, at 1:15 PM, Michael Barton wrote:
Elvis,
You can compile GRASS 6.4 with TclTk for X11 for Mac with a bit of
tweaking, but I now recommend that you compile it for TclTk 8.5
aqua. You can still have X11 if you need it (e.g., for old GRASS
display commands). TclTk 8.5 has
Director of Graduate Studies
School of Human Evolution Social Change
Center for Social Dynamics Complexity
Arizona State University
Tempe, AZ 85287-2402
USA
voice: 480-965-6262; fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton
On Sep 29, 2008, at 12:41 PM, John C. Tull wrote:
Michael,
I
On Nov 3, 2008, at 6:42 AM, Corine Davids wrote:
Hi list,
I got a new Mac and would like to install GRASS 6.3. I have always
used Lorenzo Moretti's binaries, but I haven't been able to get to
the download website, http://wwwamb.bologna.enea.it/forgrass/ as
provided on the GRASS website,
On Nov 11, 2008, at 6:45 PM, Hamish wrote:
John wrote:
I am creating a raster map that essentially summarizes the
intersection of a series of labeled rasters that each have
values of either 1 or null (presence/absence data). I am
using r.series like this to perform the summation across the
On Nov 11, 2008, at 6:45 PM, Hamish wrote:
John wrote:
I am creating a raster map that essentially summarizes the
intersection of a series of labeled rasters that each have
values of either 1 or null (presence/absence data). I am
using r.series like this to perform the summation across the
On Feb 9, 2009, at 8:15 AM, Moritz Lennert wrote:
On 09/02/09 16:59, Rainer M Krug wrote:
Just one clarification: I would like to calculate these descriptive
stats for each cell, to obtain variability maps.
Rainer
On Mon, Feb 9, 2009 at 5:57 PM, Rainer M Krug r.m.k...@gmail.com
wrote:
Hi
I
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--
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John C. Tull, Ph.D.
Conservation Director
Nevada Wilderness Project
8550 White Fir Street
Reno, NV 89523
775.746.7851 (office)
775.224.2947 (mobile)
www.wildnevada.org
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I believe that control-click and option-click emulate the other
buttons in X11, but you will need to experiment. Did you try any
modifier keys?
John
On Apr 17, 2009, at 11:38 AM, gsi wrote:
I can run v.digit (grass64) on my macbook but I cannot use it
because I cannot find how to
That is very generous of GFOSS.it, and it will make a big difference
for both of these projects.
Thanks,
John
On Jul 3, 2009, at 2:59 AM, Paolo Cavallini wrote:
Hi all.
At GFOSS.it, we just decided to increase the donations we receive on
behalf of projects that adhered to the microdonation
On Sep 3, 2009, at 8:24 PM, Bob Byer wrote:
All,
A few days ago, I was able to double click on the GRASS icon and
have the GUI appear. Today, I logged on and when I double click on
the icon, just a terminal shell comes up. I have to type in a
script to get the GUI to appear. Can
And for easy reference, here is the thread:
http://lists.osgeo.org/pipermail/grass-dev/2009-November/047135.html
Cheers,
John
On Dec 2, 2009, at 9:46 AM, Vincent Bain wrote:
Thank you Michael, I found the thread...
Yours,
Vincent
Le mercredi 02 décembre 2009 à 10:37 -0700, Michael
Hi Mohammed,
This looks like a very useful tool. Perhaps a method to view and edit metadata
would be worth adding to the todo list?
Regards,
John
On Jan 22, 2010, at 7:13 AM, Mohammed Rashad wrote:
Hi,
I am planning to develop a DataCatalog or GRASS GIS Manager. Design of the
gui
Hi John,
This is good to know about. Thanks for sharing.
My understanding of 1 arc-second resolution is that it is approximately 30m,
not 90m.
Regards,
John
On Mar 3, 2010, at 7:16 AM, John A Stevenson wrote:
I've just come across the Global Multi Resolution Topography dataset. It
Hi Kurt,
I concur with William. Part of my workflow on the seamless server is to always
go into the options and make any downloads tgz's. Otherwise, you get a mess
that is a challenge to untangle.
This requires a few extra mouse clicks, but it makes a big difference in the
end.
Good luck,
Hi John,
You will likely get a more complete answer from others, but you seem to be on
the right track with v.drape. From there, you can add a column for cumulative
length with v.db.addcol, then run v.to.db with option=length to add a length
column to your 3d vector. You might be able to
Correct me if I am wrong, but for step 3, you can simply use an equality
statement, i.e., echo clippedRaster=NA_temperature | r.mapcalc'. This shortens
things a little further.
Regards,
John
On Sep 16, 2010, at 8:41 AM, Mark Seibel wrote:
Surely there is a more elegant way...
1) Convert
On Jan 11, 2011, at 1:43 PM, Rich Shepard wrote:
On Tue, 11 Jan 2011, Adam Dershowitz, Ph.D., P.E. wrote:
One option, mentioned there, is to convert it to sqlite then import.
http://code.google.com/p/mdb-sqlite/
Adam,
Kewel! Works like a charm.
Thanks,
Rich
Hi Rich,
Did it
On Jan 11, 2011, at 1:54 PM, Rich Shepard wrote:
On Tue, 11 Jan 2011, John C. Tull wrote:
Did it preserve spatial topology for you? I was able to successfully
convert an mdb to sqlite, but it does not have any geographic reference.
This is fine for extracting data tables, but seems
You can also try to select by color in Gimp. I've done this in the past with
varying degrees of success. Gimp allows you to adjust the threshold on those
types of selects. GRASS's r.thin and r.to.vect might come in handy if you get
any useful information from this technique. Obviously, it is
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