rk addon script might help.
Hamish
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an
http://grasswiki.osgeo.org/wiki/Compile_and_Install_Ubuntu
regards,
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.3 is the latest.
There is another "grass team" ppa which has grass7 development snapshot
packages for ubuntu, the latest build is from December last time I looked.
Hamish
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.
* (usually can spot them as they have like 501x1001 cells not 500x1000)
http://grasswiki.osgeo.org/wiki/GRASS_raster_semantics#Cell_Locations
http://grasswiki.osgeo.org/wiki/GRASS_FAQ#Errors
but the first thing to verify for the GRIB format is that your gdal version is
1.10 or newer.
raster resolution, but as long as you're careful
everything should end up aligning ok. Check against a coastline like
Natural Earth's.
regards,
Hamish
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an all run self-contained.
--> you might check if the 6.4.2 install is listed in /etc/ld.so.conf
or /etc/ld.so.conf.d/*, if so change it to the location of the 6.4.3
libraries and re-run `ldconfig` (as root).
good luck,
Hamish
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r outside the map frame? sometimes it helps to move it.
the used-added eps file is just copied verbatim within the final output file;
it might help to keep it simple or clean with eps2eps first?
did you put a final 'end' after all the ps.map instructions?
thanks,
Hamish
raster commands will expect to use. If the user should align perfectly with the
input map first, it should be noted in the help page for them to do it manually
before running the module.
regards,
Hamish
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ise causing an end-of-file
situation when it is embedded in the main output postscript file?
> Thank you very much!
hope it helps.
Hamish
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pairs&old=53379%40grass%2Ftrunk%2Fvector%2Fv.net.allpairs
regards,
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t
half a cell of overlap at the poles and it's a bit uglier to clean up. (note to
self: need to work on a script to handle that automatically; see r.in.srtm)
see also http://grasswiki.osgeo.org/wiki/NetCDF
regards,
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identical.
The same technique could easily be adapted for 'r.series max=' and similar
operations, btw.
testers welcome.
Hamish
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n that way. The default (without +wktext) is to
only export official spec. terms, for compatibility with brittle software which
might have to import it later and can't deal with anything beyond the official
WKT spec (or ESRI's diversions from it, but there's another g.proj flag for
Changing the number by 10 will move it the same distance on the page as
the size of a 10 pt font. So try reducing the first number (x coord)
by about 10 and check the results. For the 80W on the bottom you'll have
to change the second number of course.
Hamish
_
lues along the ridge.
It is very similar to the classic 'river mile' problem, to define well
a line down the center of the channel when nature isn't as simple as
a pipe and valleys merge, islands happen, etc.
Hamish
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Hi,
the grass website and wiki are both temporarily down due to a full disk. Hope
to have it back up ASAP,it should be a quick fix after we figure out what's to
blame.
Hamish
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Hamish:
> the grass website and wiki are both temporarily down due to a full disk. Hope
> to
> have it back up ASAP,it should be a quick fix after we figure out what's to
> blame.
ok, they are back up now.
continued on the grass-d
swiki.osgeo.org/wiki/GRASS_and_Blender
>
> Remarks/suggestions are welcome,
Thanks Vincent, the added interoperability with VTK-aware software is always
welcome, and the wiki tutorial is very nicely done too.
regards,
Hamish
--
Hamish
__
o 'Save As..' a seemingly-good copy.
any ideas?
[*] if anyone wants qgis 2.2 packages for amd64 deb/stable, just ask.
Ben had trouble with sqlite3_step() a while ago, but it's not quite
the same error:
http://thread.gmane.org/gmane.comp.gis.grass.devel/
Hamish wrote:
> > the added interoperability with VTK-aware software is always welcome
Vincent:
> regarding this incredible interoperability in open source projects, I
> am thinking about the lack of 3d vector digitizing tools in GRASS.
> Typically when I need to model a dam
en for geographic data we generally want to
keep the values as doubles. IIRC this was a trouble we ran into with
r.out.vrml. For visualization-only data it probably is not required to
maintain such precision.
regards,
--
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ImageMagick command is, but I'm sure there is one)
after that, gdalbuildvrt is wonderful for import + patch in one step.
good luck,
--
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On Mon, 19 May 2014 21:35:43 +0200
Markus Neteler wrote:
Hamish wrote:
> > I'm have trouble exporting in spatialite format in GRASS 6,
> > wondering if anyone else has been able to have it work? Seems like
> > a common task.
> >
> > using the SQLite driver
' if it
failed. r.hazard.flood is a python script, how to apply the same to
grass.run_command() before claiming success and continuing?
regards,
--
Hamish
.
Thought I should join the Yahoo mail diaspora before 30 days
worth of my emails got flushed from everyone's spam boxes never
to b
r
table should be preserved.
It is not ported to python for GRASS 7 yet, but it's a pretty simple
script, so shouldn't be too hard.
regards,
Hamish
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to save
space, then apply it to all maps as in the Bourne shell loop above.
regards,
Hamish
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Raphael wrote:
> thank you for the response and the hints.
no worries
> They are very useful as i cannot get GRASS7 to work.
what's the trouble? maybe we can help.
regards,
Hamish
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nyone?).
http://grass.osgeo.org/gdp/stereo-grass/index.html
http://grasswiki.osgeo.org/wiki/Image_processing#Stereo_ideas
http://grasswiki.osgeo.org/wiki/Orthorectification_digital_camera
regards,
Hamish
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4.728343 14.134303 1403217.899000 4921427.9140001
8.716253 13.454576 1421998.543000 4918833.2690001
regards,
Hamish
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with GRASS 6.4
packages, i.e. have both versions installed at the same time. (GRASS
6.4.4 is now available for 14.04 in the UbuntuGIS ppa)
One thing currently broken in there is the wxGUI's parsing of g.version
output, so the splash screen comes back as "Versi
Rengifo wrote:
> When I tried to open by typing grass70 command I get the following
> error message: python: can't open file
> '/usr/lib/grass70/gui/wxpython/gis_set.py': [Errno 2] No such file or
> directory
(make sure the grass70-gui package is installed too)
H
_
using the brightness option and an example.
For 3D, in NVIZ do: nviz elev=dem color=overlay
In the wxGUI you can put the overlay map on top and then change its
opacity, right click on the map in the layer manager and select "change
opacity level", then move the slider somewh
ection math. Literally
the output of the 'g.proj -p' command.
As definitive as EPSG codes are, they aren't always exact representations.
(e.g. precision issues or added datum transform
grid selection is sometimes used but not specified in the actual
code definition. If you are lucky in these cases the extra terms
are stored in a PROJ.4 string within the WKT, but that's a non-
official extension AFAIK)
> Would someone know why this happens? Is there a way to fix this?
perhaps this will do it:
gdal_translate -a_srs +init=epsg:2972 in.tif out.tif
Hamish
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> reclassified to 0.
>
> Why is this line missing?
I don't know, you might look into the $MAPSET/cellhd/mapname file and
look for clues.
It may be a hold-over from before GRASS 5, when '0' was treated as NULL.
the important thing is that 'r.info -r&#
's EEZ is
> the 100-700 m depth range. I have a raster of .0025 degree topography and a
> shape file of the EEZ. I've converted the shape to a raster and am trying to
> get the result.
the task seems entirely reasonable.
regards,
Hamish
__
the top half and bottom half from
two trapezoids.. of course you can take this further and make more and more
polygons but I guess it would be best to forget that way and just do the area
calc properly using spherical math. shrug
Anyway, AFAICT the r.report code looks ok and it's beer o
stion: wait 48 hours for it to finish then see if it is too big
to work with before deciding to split it up into smaller tiles.
Also it could be a lot faster to make 4 or 8 smaller tiles then r.patch
those together in a second pass. (ie reduce t
Boris Avdeev wrote:
> Yes, though I couldn't figure out how to make gdal_merge output NULLs
> instead of 0s (and what formats support NULLs?).
does it have any options like:
[-srcnodata "value [value...]"] [-dstnodata "valu
ets streched to that. You can generate a surface then
take a random sample (ie evenly distributed in space) from that then rerun
*.surf.* on the random map for something smoother. Or cull out many of the
points when you converting lines to points.
it's not real
ts : degrees
meters : 1.0
?
Hamish
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_
|
>| ,...-~~~'`~~~ |
>+-- --+
>
> (Areas filled with periods are the ones which MODIS ``see
that those values are not identical.
true, the data is lost when NULL is mixed with 0 in the first place, not when
changing 0->NULL.
Hamish
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http://www.
> answer=rast3d(index)
Tomas Lanczos wrote:
> thank You Boris, it is something new for me, how can I integrate octave
> to grass? is there a tutorial for that?
Transfer raster maps with r.in.mat and r.ou
need prior knowledge of what to do, which isn't very easy when you don't even
know that you're in it.
Anyway, to make GRASS use "more", put the following in a ~/.grass.bashrc file:
export GRASS_PAGER=more
Hamish
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lp.
It works both ways. v.in.ogr help page now updated to show both methods.
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> > Tomas Lanczos wrote:
> >> I have contour maps converted to rasters (rock temperatures) in
> >> different depths (-500, -1000, -1500, -2000, -2500, -3000, -4000, -6000
> >> meters below sea level). What is the best way to interpolate them to one
>
but e.g. negative, it's an easy job with
v.transform.
Maybe you could write a script to create v.transform params between selected
footprint and input building? Use a Machine Vision shape matching algorithm?
> Is it possible?
I have imported a large DXF with v.in.dxf for NYC:
ork in very steep fjords with 1000m drops, and the most I see at 10m
res is somewhere around 76deg.
Hamish
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_
ive values. Now what are these ? values like
> -34.5 and so on ! Well is the dem alright to start with. Set's me
> wondering ?!?!
Have you imported a lat/lon dataset into a non-lat/lon location?
what does this say:
GRASS> g.proj -p
GRASS> g.region -p
that m
r.param.scale param=feature
Morphometric features: peaks, ridges, passes, channels, pits and planes
Hamish
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http:
es disappear?
note GRASS sometimes calls holes in areas "islands".
Hamish
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that boundaries will need to have category numbers added with
v.category.
Hamish
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t; some program like gen2shp.
> What should be the format of the text file ?
> is there any other way to do it in grass or quantum gis?
calculate the coordinates and use 'v.in.ascii format=standard'
see the v.in.ascii help page.
export to a sh
ed and
you ended up with another random post or not-found error when you clicked on a
promising summary.
I also notice that old commits wait to be copied to the new osgeo server: (?)
http://lists.osgeo.org/pipermail/grass-commit/
I also notice someone posted with a bad clock, any chance t
o that.
I had thought you could over-ride that by specifically defining the column type
with columns="east double, north double, ...", but no luck.
As a work-around you could use a little awk to reformat i
or.
(queue Glynn plugging xemacs)
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have not been processed for efficiency. I figured the
thumbnail would give you a good enough try-before-you-buy before you decide to
commit to the full download.
thanks for the feedback,
Hamish
Be a bet
overloaded these days, so be kind to it)
http://grass.gdf-hannover.de/wiki/GRASS_AddOns#Raster_add-ons
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> Hamish wrote:
> > try r.in.wms
Rainer wrote:
> Thanks for pointing it out. I started playing with it, and it seems to
> be quite good!
..
> I think that should be put into the wiki under "How to get Google Earth
> images" - I know many people who are looking fo
ecking
intersection with all boundaries falling in the bounding box."
in that case you might try v.split first to break the huge boundary into a
number of connected polylines. (does not affect topology, just internal
storage)
Hamish
pcalc).
then use d.rgb to display it. (or perhaps d.his?)
no ideas about how to generate the legend outside of a paint program.
Hamish
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00/num classes) makes
this much easier?
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gra
It would seem to me that your copy of libblas was built missing the -lgfortran
switch in the Makefile (it's not linking to the gfortran library). i.e. your
BLAS package is broken. have a look at libblas.so with 'ldd' and/or 'nm -D'
Hamish
___
e.g. where="state = 'California'". Perhaps write a script with v.db.select or
as Michael suggested add a GRASSRGB column and populate it with db.execute
WHERE state = '...'. Another idea is to dissolve into states with d.dissolve
(b
www.netlib.org/lapack] (usually available on Linux distros)
Note: the support is intended for future module implementations, no need to
use it at time!
Hamish
Get easy, one-click access to your favorit
ts... The output is too bright from what one
> would expect it to be.
>
> Any recommendations?
I've never used it for MODIS, but you could try i.landsat.rgb to see if that
helps. (it wants three 0-255 bands, it doesn't ca
Nikos Alexandris wrote:
> > > I don't get the desired results... The output is too bright from what one
> > > would expect it to be.
> > >
> > > Any recommendations?
Hamish:
> > I've never used it for MODIS, but you could try i.landsat.rgb to se
quot; at
http://grass.gdf-hannover.de/wiki/Development_Specs
The advantage of these methods versus sending all stderr to /dev/null is that
warning and error messages are not lost, making prototyping and debugging a
whole lot easier.
Hamish
___
some reason the "quotes" are being removed from your command and so the PG:
settings are being treated as command line parameters to v.external. As
v.external doesn't have those options, you get the error message from the GRASS
command line parser.
Hamish
=natur.naturnahe_gaerten output=gaerten
> >>
> >> And here is my error message:
> >>
> >> Sorry, is not a valid parameter
> >> Sorry, is not a valid parameter
> >> Sorry, is not a valid parameter
> >>
> >> I expected to run i
s high = 49 cells
Is this SIZE OK? (y/n) [y] y
Enter name of site map
Enter 'list' for a list of existing vector files
Hit RETURN to cancel request
> archsites
WARNING: Adapted sites library used for vector points (module should be
updated to GRASS 6 vector library).
ER
Hamish:
> > Fortunately it is not hard to update r.le.setup, patch attached.
Patrick Giraudoux wrote:
> Thanks for the hint and the patch. However, I am not sure about how to
> use it... Looks like a C script but I am not a C programmer.
It is C. You must recompile r.le.setup to use
rib/CERL/misc/m.eigensystem/
While it is written in Fortan77 I see no reason why it couldn't be
compiled with g77 or gfortran and run with modern versions of GRASS.
The GRASS raster/imagery engines and file formats have not changed since
GRASS 5 so there shouldn't be many problems.
FWIW
g the solution before I started on it.
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grass-us
file using
> command > grass.log 2>&1
>
> But this doensn't say anything about the result of the operation...
If it exits with an error there will be "ERROR: " or a
"Segmentation Fault"
php/Metadata
I would hope that a new metadata system for GRASS 7 would be outsourced to a
dedicated project so that the other FOSS GIS teams could collaborate and
seamlessly interoperate. e.g. MapServer, QGIS, ...; but not necessarily
limited to OSGeo projects: jGRASS, OSSIM
ur best bet, work in
a projected location then reproject the results back.
for v.to.points, dmax= dist should be made to work in meters for
lat/lon locations and calculate with G_geodesic_distance() as it makes
its way between verticies.
date map_index column=image value="'$MAP'" where="cat = $i"
done
#reset to original region
g.region old_region
v.label map=map_index column=image
d.labels
#or
d.vect display=attr attrcol=image xref=center
Hamish
__
ickly notice the error. Post any requests for
specific module updates to the wish/bug tracker.
Hamish
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h
Hamish:
> > an idea: write a little script to make a vector coversheet index.
> > maybe output that with the HTMLMAP driver for an interactive web
> > browser pull up.
> >
> > I am not sure, but I think v.patch does not clean topology so
> > overlap may be o
g. the location's projection units could just
as well be km, lightyears, ... too.
I would think it better to do the operation in 2 passes if some
cleaning is needed, and only fudge the data as a last resort.
maybe the v.clean remove small angles tool helps here.
runcated ===>
everyone, please do.
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gras
file with r.in.gdal last week.
What are the command line options and exact error message you get?
Hamish
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column=
options would require at minimum colo= and colu=.
for example:
input= -> in= and output= -> out=
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ot;593330.8,4924096.6"
Are you trying this from the GIS.m GUI or from the command line with an
xmon?
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specify custom start/end coordinates in 6.2 you have to
use v.net.path.
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r. ?
You can use 'g.region -g' + 'r.info -g' to exclude maps which do not at
all fall in the output region. (this optimization might be built
directly into r.series?)
Alternate: let r.series run for x days.
Hamish
Maybe someone knows what went wrong.
>
> Grass6.2.2 works fine with same location and mapset on the machine.
I seems that g.region has failed for some reason. (still no test to
catch that cleanly?!)
can you start grass with
grass63 -text
then try 'g.region -p' from the comm
y the
outgoing firewall) on a very well maintained WinXP PC, I am a rather
concerned about ssh'ing into our server (& then to osgeo SVN) from any
MS Windows machine ever ever ever again.
Hamish
__
[r.le.setup]
Hamish wrote:
> bug found and fixed in 6.3 svn. The logic around the >100 check was
> to blame. Thanks for pin-pointing it.
>
http://trac.osgeo.org/grass/log/grass/trunk/raster/r.le/r.le.setup/sample.c
Patrick:
> OK I will do it asap. However I don't know how to
...
I think there is a way to have r.proj use the target location's region
setting (region cropping flag?). The ugly way to clean the resolution
is to force a 900m res with 'g.region res=900 -a'
good luck,
Hamish
___
; watershed hierarchy.
> I did find a message between Dylan and Hamish last year about
> joining the basins output from r.terraflow. Basically trya mixture
> of r.drain, v.extract or r.flow..
>
http://article.gmane.org/gmane.comp.gis.grass.user/15113/match=terraflow+logical
>
&g
a different problem that
computing flow direction and flow accumulation. r.terraflow does not do
that (yet) -- but we are working on extending it with this
functionality."
hope it helps.
Hamish
ps- I think it would be nice to write a r.catchment script from
r.watershed streams map + r.cost/r.
hread. Did you try the method
given in Markus's article in GRASS Newsletter vol 3?
An alternate coastline can be obtained by the NOAA coastline extractor.
See the v.in.mapgen help page. Then v.type and v.centroids to make the
line into an area. (boundary+centroid = area)
Hamish
___
the merge tool, two times.
Once the number of errors is small, maybe v.digit helps too.
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x2 y2
...
xn yn
see v.in.mapgen for an example of automatically applying the number of
vertices with an awk command, but you can probably just paste that
first line in by hand.
Hamish
Looking for last
the order?), or did you want lines which connect all points to
all other points?
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> Hamish wrote:
> > The 'v.in.ascii -n format=standard' equivalent is:
> >
> > L 2
> > x1 y1
> > x2 y2
> > L 2
> > x3 y3
> > x4 y4
Richard:
> Thanks Hamish - it's working now so please ignore my last message. My
> erro
This way, I don't have to
> hand-draw a couple of thousand lines.I can't see any support in the
> database import ( v.in.db ) to do this- is there some way to create
> lines directly from my database?
Hamish:
> You will have to do 'v.in.ascii -n format=standard
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