Dear all,
I wanted to know if there is any linear feature (e.g. roads) extraction
that i can use in GRASS?
Thanks
Kat
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Dear all,
I would like to know if there is any method (or suggestion) on how to place
GRASS's processed data in a Geoserver using GRASS tools? if not, does
anyone suggests any alternative?
Regards,
Kat
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Dear all,
I have searched but I was not able to find the exact structure of the sig
files generated by i.gensig.
Can anyone point me out what is the structure of the the SIGNATURE
EXAMPLE
#
#Value 1
643
114.958 107.323 128.793
415.38
460.891 533.341
600.392 714.442 1071.21
_
example.html
/opt/grass643RC3/grass-6.4.3RC3/man/man1/r.example.1 1
Converting: /opt/grass643RC3/grass-6.4.3RC3/docs/html/r.example.html to
/opt/grass643RC3/grass-6.4.3RC3/man/man1/r.example.1
make[2]: Leaving directory `/home/grass/r.example'
make[1]: Leaving directory `/home/grass/r.example&#
k at http://grasswiki.osgeo.org/**wiki/Compile_and_Install#**
> Addons <http://grasswiki.osgeo.org/wiki/Compile_and_Install#Addons>.
>
> You will need the source for the addon and the source for GRASS unless an
> easier way now exists.
> good luck,
>
> Stephen
>
>
> On Fri 26
Dear all,
I would like to know where can I find instructions on how to compile a
grass module (eg. r.example) in a Linux server (in this case Debian) with
GRASS 6.4.3)
Thank you
Best regards,
Kat
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htt
Dear all,
I would like to know if there is any way to randomly select pixels from a
raster map in GRASS?
Thank you
Regards,
Kat
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Dear Nikos,
thank you for your reply. Just two questions:
1- Which one is better to produce composites? I mean, more easier and
stable?
2- Is there any limitation version? I'm usng6.4.2
Thanks
Kat
2013/2/21 Nikos Alexandris
> katrin eggert:
> > Hi
>
> Hi!
>
> > I&#
Hi
I'm familiar with OSGEO software but possibly not much on doing maps
printouts and compositions such as this one that I have found (
http://www.capfida.mg/km/site_spip/IMG/zip/Trial2-Maps-EN-2.zip)
What I would like to know is:
1- can I do this in GRASS?
2- If yes, can anyone indicate me any blo
Greetings
I have an excel file with XY and point ID and I want to:
1- Create an Shapefile with this points (they were obtaiend with a GPS so
it's WGS84)
2- Reproject to UTM29N
can anyone just give me a few tips of the steps I need to do?
Thanks
Best regards
Kat
_
Hi
I'm Sorry but I'm lost in this...
So the email that you sent and those links in google point to use EPSG:4326
but the script requires a different one ? That doesn't make any sense...
If I define a Location with that geoid map that you sent me, will I have
what? EPSG:4326 or the one used by r.out
s
2011/10/26 Markus Metz
> katrin eggert wrote:
> > Hi
> > Maybe it would be better to explain that in manual entry. Just one more
> > question: what is the EPSG code for that projection?
>
> http://www.google.com/search?q=google+kml+epsg
> -> 4326
>
> &
Hi
Maybe it would be better to explain that in manual entry. Just one more
question: what is the EPSG code for that projection?
Thanks
Kat
2011/10/26 Markus Neteler
> On Tue, Oct 25, 2011 at 6:32 PM, katrin eggert
> wrote:
> > Hello Daniel
> > By reading the r.out.kml m
2.nabble.com/KML-generator-for-GRASS-6-4-td4548193.html
>
> Regards,
> Daniel.
>
> On Mon, Oct 24, 2011 at 1:40 PM, katrin eggert > wrote:
>
>> Greetings
>> I have a raster mapthat I want to create an overlay in a KML file. Is it
>> possible to do th
Greetings
I have a raster mapthat I want to create an overlay in a KML file. Is it
possible to do this with GRASS? if not, as anyone as an alternative to use?
Thanks
Kat
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Greetings I would like to run an expression r.mapcalc (with ifs, Sums and /)
from command-line. How can i do that?
Thanks
Kat
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Greetings
How can I have break lines (\n) in GRASS.FATAL in Python scripts? It seems
not to be possible
Thanks
Best regards,
Kat
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Just one question: is it possible to "count" number of cells with a certain
value (or nulls) from one scale that are being used to calculate each value
pixel of the target scale?
Thanks
2011/6/22 Glynn Clements
>
> katrin eggert wrote:
>
> > I just one to confir
>
> katrin eggert wrote:
>
> > Just one question: I reading
> > http://grass.osgeo.org/programming6/pythonlib.html the "*GRASS-oriented
> > interface to subprocess module" and I'm wondering wich one of this
> functions
> > shall i use to run an
Glynn Clements
>
> katrin eggert wrote:
>
> > I want to integrate in a Python script a call to an external binary (a
> small
> > fucntion that I have done). What can i use to do this?
>
> The standard Python functions for spawning child processes are
> subproce
Greetings
I want to integrate in a Python script a call to an external binary (a small
fucntion that I have done). What can i use to do this?
Thanks
Kat
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Hello Markus
Thank you for your answer. Just a few more questions :)
For orthorectification, you should use a recent version of GRASS
> (6.4.2) and not 6.4.0 because the orthorectification procedure has
> been recently overhauled and is creating artefacts in earlier versions
> of GRASS, particula
Hi there
I just one to confirm one thing. If I'm using r.resamp.stats with
*mode *option.
If the most frequent value is a null, will i have a null value in the ouput?
Thank you
Kat
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Greetings
I have just received a task to Orthorectify very-high resolution images. I
know that GRASS (LINUX) performs this (I have never tested) but my question
is more "basic" and elementar: Does anyone has a link or a document that
explains:
1- Required preprocessing before Orthorectification
2-
Thanks Markus
Just to confirm: I have to place that in etc/Init.bat right? It doesn't
matter where?
Thanks
2011/4/14 Markus Neteler
> On Thu, Apr 14, 2011 at 9:27 AM, katrin eggert
> wrote:
> > Greetings
> > I'm doing some work in GRASS with a couple of friends
Greetings
I'm doing some work in GRASS with a couple of friends from different
countries (/ different languages) and our GRASS has some words translated in
in our own languages but this can be quite difficult when, for example, I'm
running something on a laptop of an italian :). So I want to defin
hello Glynn
I'm trying to parse a list of strings like this:
sys.stdout.write(output_v)
And I get this error
TypeError: argument 1 must be string or read-only character
buffer, not list
Any suggestion to do this?
Thanks
2011/2/10 Glynn Clements
>
> katrin eggert wrote:
>
&g
Greetings
I have built a GRASSPy Script to read a few text files (r.in.text.py)
At the end of the file I do a return of a list of integers with:
values=[1,2,4,5,6,43,32,553,2]
return values
My question is: I have another GRASS python script that and I want to call
r.in.text.py to get these value
Thanks Micha and Hermann for your feedback.
Just one very last question: in a Python script how can I make an variabel
to equal to an image spatial resolution? (I mean, How can I retrieve an
image spatial resolution)?
THanks
Best regards,
Kat
2011/2/3 Micha Silver
> katrin eggert wr
HEy
I have three questions:
1- Is it possible to define active region spatial resolution by selecting an
image instead of putting values?
2- What is done with -a flag?
3- Just to confirm this, when an image is imported with r.in.gdal it is kept
with its original resolution right? it only gets th
Ok but there is no help or manual page explaining GUI for Scripts?
Structure, possibilities...etc
2011/2/2 Martin Landa
> 2011/2/2 katrin eggert :
> > Thanks but, I clearly I wasn't clear. I'm building a script and I need
> to
> > parameterize the graphical user int
Greetings
I'm looking for some help/wiki that better explains all options, buttons and
interfaces of vector digfitizer with Tcl/Tk's (I'm using it on Windows). Can
anybody point me out?
Thanks
Katrin
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Hello all,
I have produced a fw of reclass maps and, when I need to display them or
even do r.info to them, It takes a lot of time. My question is:
- Why is that (since it takes more time than the original file that was
reclassified)
- And do you advise to create a copy of this map in order to dis
I don't get an error message but the problem is that I'm not being able to
import a raster image, that matches with the Location but r.in.gdal is not
recognizing its DAtum
2010/11/9 Markus Neteler
> On Tue, Nov 9, 2010 at 9:42 AM, katrin eggert
> wrote:
> > Greetings
>
Greetings
for some weird reason, my WinGRASS is not finding its EPSG code file. In
which file can I set this?
Thanks
Kat
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Hi there,
I have sent this email a couple of days ago. maybe no one nottest it :) has
anyone implemented something similar in GRASS in a Python Script?
2010/10/29 katrin eggert
> Greetings
>
> I need to have a script that automatically deletes a signature file
> associated with
Greetings
I need to have a script that automatically deletes a signature file
associated with a designated group/subgroup. How can I do this from a
Script? (e.g. Python)
Thanks
Katrin
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Ok Thanks Glynn. It worked
and in the case of pixel-value for wich I dont define any value? R.reclass
attributes NULL to it?
2010/10/20 Glynn Clements
>
> katrin eggert wrote:
>
> > I have a raster image that ranges from 1-300 and I want to apply reclass
> in
> > ord
Hi
I have a raster image that ranges from 1-300 and I want to apply reclass in
order to reclass this image. But I only want to change 10 values
(1,10,12,15, 100, 130, 200, 230, 250,290) and the rest I want them to be
Null. in the rules file, shall I include the rest of the values and
attribute the
Greetings
For a small python script that I'm making I need the number of cols and rows
that are currently active. I've found for a C routine :) but not for a
Python Script. I believe it's simple but..
Thanks
Kat
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Hello Nikos
Very good point... As far as I can see, the order is relevant in
"overlapping pixels".
About the i.image.mosaic, it was developed by Markus. I gave a look at the
Script (Python version) and I'm not sure what is the advantage of this
script against r.patch.
Thanks
Kat
2010/10/14 Nikos
Greetings Mr. Neteler
I'm implementing a methodology in GRASS to eliminate training_areas
outliers. What I do?
1- first I pick up the current training areas for a class and I calculate
mean vector and covariance matrix
2- Invert the covariance matrix
3- Compare each pixel, that is included in a tr
Greetings
I'm running WinGRASS and I'm obtaining a weird error when I run g.mapset:
ERROR: Unable to read GIS_LOCK environment variable
How can I fix this in Win GRASS?
Thanks
Best regards
Kat
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Hi there
I have a sequence of satellite images (e.g 1 in the north, other in the
center and other in south) that I want to merge in a single image. I found
three GRASS methodologies:
- r.series
- r.patch
- i.image.mosaic.
Which one is the best to perform what I need?
Thanks
Katrin
_
Hi there
Sorry for making this question but: In Georrectify module (wxPython) the
source refers to what: Data that is already georrectified or data that I
want to georrectify?
Thanks
Kat
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Hi there
Sorry for making this question but: In Georrectify module (wxPython) the
source refers to what: Data that is already georrectified or data that I
want to georrectify?
Thanks
Kat
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7495
> new__cf_va : 0.608404
> new__sum : 2579.197662
> new__first : 106.772
> new__media : 107.506
> new__third : 107.803
> new__per90 : 108.416
>
> regards, Martin
>
>
> On Freitag, 6. August 2010 10:22:10 katrin eggert wrote:
> > Hi
> > Thanks Martin but I
ttp://grass.itc.it/gdp/html_grass64/v.rast.stats.html
>
> regards, Martin
>
> On Donnerstag, 5. August 2010 18:25:37 katrin eggert wrote:
> > Hello
> >
> > I have polygon layer which divides my image into several areas all
> > contiguous. With the same size, I have a rast
Hello
I have polygon layer which divides my image into several areas all
contiguous. With the same size, I have a raster image. I want to:
- calculate the most frequent value of the raster inside each polygon;
- the maximum and minimum value inside each polygon
How can this be done in GRASS?
reprojecting so you will be
> running gdalwarp in a smaller file
>
> Cheers
> Daniel
>
> On Tue, Jun 22, 2010 at 5:26 AM, katrin eggert
> wrote:
> > Greetings
> > THanks Daniel. Since I'm already using gdalwarp, can it be also used to
> only
> > re
it's not a grass tool but grass relies heavily on gdal tools
> for raster import so chances are you have that program installed. Just
> open a terminal and type gdal_translate. Use the options -projwin to
> clip your image to the desired coordinates
>
> Cheers
> Daniel
>
>
Greetings
I'm working with LandCover global datasets and I need to import only an area
of the dataset since my Region definition will only displays a small area
(e.g. I'm working with European GLobcover and I only want Belgium and my
Location/Mapset destination region only displays Belgium). How
Hello Leonardo
It wAs more or less what I have done. Thanks... My only question was related
with binary file because it's slightly different from the others..
Regarding r.seg usability: have you tried/used? I'm having some difficulties
in using and parameterizing and there is not much information a
Hi there
I have tried to compile r.seg, a Segmentation developed by Trento
University. I Know this is not part of GRASS6.4 and not even an addon but
can you help me on this? (where I got the module
http://www.ing.unitn.it/~grass/)
This is the command:sudo make -C r.seg
MODULE_TOPDIR=/usr/local/gr
Greetings
Last week someone mentioned at this mailing list the r.seg segmentation from
here: http://www.ing.unitn.it/~grass/)
I have contacted the author but he didn't replied. Have anyone ever used? or
know someone that have used? :)
Please help me because I'm not able to run it
Thanks
Best re
Ok -k parameter
In this case is incorrect giving the fact that the first band is not red :D)
2010/6/7 Hamish
> katrin wrote:
> > I have a stack of images and when I import it to GRASS it starts to
> > renaming as blue, green, red and then numbers. Why does it attribute
> those
> > names since I
Greetings
I have a stack of images and when I import it to GRASS it starts to renaming
as blue, green, red and then numbers. Why does it attribute those names
since I'm not asking for it?
Thank
Katrin
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Greetings
I'm GRASS user in Linux and in MS-Windows and Now I need to start
"developing" a few things. In which one should I start? In which GRASS is
more stable and robust?
Thanks
best regards
Katrin
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Hi Markus and the rest of the people
Nothing :) The files in the indicated FTP directory are in a different
> file format.
> If you look at the .hdr files therein, you'll find the metadata easily.
> They are
> in ASCII format, too.
>
> But the code refers to a *.met file right? So I was not "read
Greetings all
At http://www.grassbook.org/examples_menu3rd.php There is a function to
import a Landsat image with metadata info.
I went at
ftp://ftp.glcf.umiacs.umd.edu/glcf/Landsat/WRS2/p016/r035/p016r035_7x2331.ETM-EarthSat/and
I downloeaded landsat image but I didn't find any met file that
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