Hey Markus,
after searching a bit, it seems like no stable Version of GRASS >= 6.4.2
is available for 12.04. . I hope I have missed a repository. Any hints
on that?
Thanks,
Gunnar
Am 24.10.2013 16:17, schrieb Markus Neteler:
Dear Gunnar,
On Thu, Oct 24, 2013 at 4:02 PM, Gunnar Oehmichen
<[email protected]> wrote:
Dear GRASS user list,
While accessing GRASS via R i ran over the problem of missing a
certain GRASS function: v.net.components
...
grass 6.4.1-1ubuntu2
...
could not be run (127), and produced the error message: sh: 1:
v.net.components: not found
You would need to update to at least the next dot release: 6.4.2
(bettet 6.4.3):
http://trac.osgeo.org/grass/wiki/Release/6.4.2-News#Newmodules "
New modules
i.topo.corr - Computes topographic correction of reflectance in
satellite imagery m.nviz.image - Creates a 3D rendering of GIS data
(renamed from nviz_cmd) v.net.allpairs - Computes the shortest path
between all pairs of nodes in the network v.net.bridge - Computes
bridges and articulation points in the network v.net.centrality -
Computes degree, centrality, betweeness, closeness and eigenvector
centrality measures in the network v.net.components - Computes
strongly and weakly connected components in the network
v.net.connectivity - Computes vertex connectivity between two sets
of nodes in the network v.net.distance - Computes shortest distance
via the network between the given sets of features v.net.flow -
Computes the maximum flow between two sets of nodes in the network
v.net.spanningtree - Computes minimum spanning tree for the network
v.net.timetable - Finds shortest path using timetables "
It has been added to a newer release of GRASS 6 than you have
currently installed.
For ubuntu packages, see
http://grass.osgeo.org/download/software/linux/
Hope this helps, Markus
--
Gunnar Oehmichen
Quantitative Landscape Ecology
Institute for Environmental Sciences
University Koblenz-Landau
Fortstrasse 7
76829 Landau
Germany
http://www.uni-koblenz-landau.de/landau/fb7/umweltwissenschaften/landscape-ecology/Staff/gunnaroehmichen
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