Hi All,
I upgraded the OS on the lap-top to Opensuse 13.2 and although Grass has been updated to the correct version for opensuse 13.2 (from geo repository) it fails to run generating “numeric, numeral or numpy not found.
Numpy is installed.
This appears to be similar to an earlier issue with numpy not being found within a MacOS logged on 5th July 2014.
Is this a general problem with the Opensuse 13.2 Grass 6.4 version or something specific to my machine?
Thanks
Tim
Tim Southern
17, Park Close,
Sonning Common,
Oxfordshire
RG4 9RY
On 7 Nov 2014, at 20:00, grass-user-request@lists.osgeo.org wrote:
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than "Re: Contents of grass-user digest..."Today's Topics:
1. Re: MATLAB exports (Kevin Williams)
2. Re: [GRASS-dev] problem with creating areas from set of
points with specific category (Moritz Lennert)
3. v.rast.stats by other column instead of 'cat'
(Javier Mart?nez-L?pez)
4. Re: v.rast.stats by other column instead of 'cat' (Moritz Lennert)
5. Re: v.rast.stats by other column instead of 'cat'
(Javier Mart?nez-L?pez)----------------------------------------------------------------------
Message: 1
Date: Fri, 7 Nov 2014 05:42:16 +0200
From: Kevin Williams <zs1kwa@gmail.com>
To: Vaclav Petras <wenzeslaus@gmail.com>
Cc: GRASS user list <grass-user@lists.osgeo.org>
Subject: Re: [GRASS-user] MATLAB exports
Message-ID:
<CAJhOL6cM2P+w3dv2ZMteyedzwZix31X85MsytNv078WH9ZaTrQ@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8Hi
It does not seem possible to tell Matlab it is a v4 file, but (thanks
for the suggestion) Octave has no problem with it.I can "re-save" it as a new v4 file from Octave, and then Matlab will load it.
Best regards, Kevin
On 7 November 2014 03:19, Vaclav Petras <wenzeslaus@gmail.com> wrote:
On Thu, Nov 6, 2014 at 2:24 AM, Kevin Williams <zs1kwa@gmail.com> wrote:
Hi
I am trying to export maps from Grass 7.0.0 running in Linux (64 bit
Ubuntu) using r.out.mat.Matlab (R2014b), however, complains that these files are corrupt.
(Matlab is also running in Linux.)Could anyone please advise?
Hi,
it is possible that r.out.mat supports some older version of these .mat
files which Matlab no longer accepts.There are some things you can do.
1) Try if you can tell Matlab that it is an older version of the format.
2) Try Octave, perhaps load and save there, then open in Matlab.
3) Try on of the (many) formats provided by r.out.gdal. Can Matlab load
TIFF, for example?
4) Use r.out.ascii (or r.out.xyz) and read the created text file to Matlab
in some way.
5) Fix r.out.mat if you can and submit a patch.In any case, please share what worked for you.
Vaclav
Many thanks, Kevin
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Message: 2
Date: Fri, 07 Nov 2014 09:46:45 +0100
From: Moritz Lennert <mlennert@club.worldonline.be>
To: Anna Petr??ov? <kratochanna@gmail.com>, GRASS user list
<grass-user@lists.osgeo.org>, GRASS-dev <grass-dev@lists.osgeo.org>
Subject: Re: [GRASS-user] [GRASS-dev] problem with creating areas from
set of points with specific category
Message-ID: <545C86F5.5000807@club.worldonline.be>
Content-Type: text/plain; charset=windows-1252; format=flowedOn 05/11/14 22:00, Anna Petr??ov? wrote:
Hi,
my problem is - I have polygons defined as a set of coordinates with
assigned categories and I want to create vector areas where the centroid
would have that category. I don't want to use PyGRASS because of ctypes.
I wanted to write an ascii file (ascii vector format) but it allows me
to write only boundaries and centroids (not areas). But I don't have
centroids. So I can write boundaries and then use v.centroids afterwards
but I don't know how to specify the correct category values for those
new centroids.You could try something like this:
- Import your boundaries with the correct cat values
- Create a table linked to your new centroids
- Add a cat2 column
- Use v.distance to get for each centroid the cat value of the closest
boundary and load it into cat2
- Use v.reclass to make cat2 into the actual cat values of the centroids
- Erase the cat values of the boundariesThere doesn't seem to be any way to transfer categories
from boundaries to centroids. So, am I missing something? Why vector
ascii format doesn't support areas?Because GRASS uses a topological vector format and areas do not exist as
such in that format. But I can understand that it would be nice to have
an easy way. If your polygons are not too complex you can always try the
simple average of the x and y coordinates of your points as coordinates
for a centroid, but you might have situations where these mean
coordinates do not lie within the polygon.Would it be difficult to add it?
No idea. At the very least, scripting the above process should be
possible...if it worksMoritz
Thanks,
Anna
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Message: 3
Date: Fri, 7 Nov 2014 10:25:30 +0100
From: Javier Mart?nez-L?pez <javi.martinez.lopez@gmail.com>
To: GRASS developers list <grass-dev@lists.osgeo.org>, grass-user
<grass-user@lists.osgeo.org>
Subject: [GRASS-user] v.rast.stats by other column instead of 'cat'
Message-ID:
<CAKgwV9=yT3AmxnpA-xSaWtrqzNfgOTO0R4oFhN+QbEeMwR0DYg@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1Dear all,
is it possible to use v.rast.stats or a similar function to compute
univariate statistics from a raster map for each category present in a
column of a vector map? As far as I know v.rast.stats only allow to do
it by 'cat'.Thank you very much and cheers,
Javier
------------------------------
Message: 4
Date: Fri, 07 Nov 2014 10:31:42 +0100
From: Moritz Lennert <mlennert@club.worldonline.be>
To: grass-user@lists.osgeo.org
Subject: Re: [GRASS-user] v.rast.stats by other column instead of
'cat'
Message-ID: <545C917E.2040308@club.worldonline.be>
Content-Type: text/plain; charset=windows-1252; format=flowedOn 07/11/14 10:25, Javier Mart?nez-L?pez wrote:
Dear all,
is it possible to use v.rast.stats or a similar function to compute
univariate statistics from a raster map for each category present in a
column of a vector map? As far as I know v.rast.stats only allow to do
it by 'cat'.I think this is true, but you can use v.reclass to create a vector map
according to your new categories and the run v.what.rast with that...Moritz
------------------------------
Message: 5
Date: Fri, 7 Nov 2014 10:36:55 +0100
From: Javier Mart?nez-L?pez <javi.martinez.lopez@gmail.com>
To: Moritz Lennert <mlennert@club.worldonline.be>
Cc: grass-user <grass-user@lists.osgeo.org>
Subject: Re: [GRASS-user] v.rast.stats by other column instead of
'cat'
Message-ID:
<CAKgwV9mkOfXQ6E7bUd=JVknSsReAmrM-SxKmL1dt2wzNdAUOvg@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1I will try... thanks!
On Fri, Nov 7, 2014 at 10:31 AM, Moritz Lennert
<mlennert@club.worldonline.be> wrote:On 07/11/14 10:25, Javier Mart?nez-L?pez wrote:
Dear all,
is it possible to use v.rast.stats or a similar function to compute
univariate statistics from a raster map for each category present in a
column of a vector map? As far as I know v.rast.stats only allow to do
it by 'cat'.I think this is true, but you can use v.reclass to create a vector map
according to your new categories and the run v.what.rast with that...Moritz
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