Dear GRASS user list,
While accessing GRASS via R i ran over the problem of missing a certain
GRASS function: v.net.components
System:
Distributor ID: Ubuntu
Description: Ubuntu 12.04.3 LTS
Release: 12.04
Codename: precise
grass 6.4.1-1ubuntu2
Here is what i did in R (partly):
Created a stream network shape file via execGRASS( "v.net", ...)
and now I wanted to distinguish local stream networks:
execGRASS("v.net.components", flags="overwrite",
parameters=list(input="Stream_known_Network",
+
output="Stream_known_connectivity", method="weak"))
Fehler in parseGRASS(cmd, legacyExec = legacyExec) : The command
v.net.components --interface-description
could not be run (127), and produced the error message:
sh: 1: v.net.components: not found
Then I looked wether v.net.components is installed,
dpkg -L grass|gedit
...
/usr/lib/grass64/bin/v.neighbors
/usr/lib/grass64/bin/v.net
/usr/lib/grass64/bin/v.net.alloc
/usr/lib/grass64/bin/v.net.iso
/usr/lib/grass64/bin/v.net.path
/usr/lib/grass64/bin/v.net.salesman
/usr/lib/grass64/bin/v.net.steiner
/usr/lib/grass64/bin/v.net.visibility
/usr/lib/grass64/bin/v.normal
...
And it seems like, it is not.
Is my version generally missing the function?
Some help would be very much appreciated,
Thanks very Much,
Gunnar
--
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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