[GRASS-windows] winGrass 7 r.to.vect bug

Hanan Karam HananKaram at esinternational.com
Mon Mar 18 11:30:04 PDT 2013


Hi everyone,

I'm having trouble with r.to.vect in WinGrass 7 (SVN nightly winGRASS 7 experimental build downloaded on February 23 2013).  For type='line' on thinned raster maps of streams produced using r.watershed, it runs to completion but the output data is meaningless.  The command I used, and the output follows:


GRASS 7.0.svn> r.to.vect -v input=STREAMmap output=STREAMmap_vect type='line'
Extracting lines...
100%
100%
Building topology for vector map
<STREAMmap_vect at HNK2>...
Registering primitives...
11835 primitives registered
66275 vertices registered
Building areas...
100%
0 areas built
0 isles built
Attaching islands...
Attaching centroids...
100%
Number of nodes: 7298
Number of primitives: 11835
Number of points: 0
Number of lines: 11835
Number of boundaries: 0
Number of centroids: 0
Number of areas: 0
Number of isles: 0
Updating attributes...
r.to.vect complete.

GRASS 7.0.svn>

GRASS_INFO_ERROR(6052,1): Unable to describe table <STREAMmap_vect>
GRASS_INFO_END(6052,1)

GRASS_INFO_WARNING(6336,1): Coor file of vector map <STREAMmap_vect at HNK2> is larger than it should be (1261613 bytes excess)
GRASS_INFO_END(6336,1)

Any information on this problem would be appreciated.

Thank you,
Hanan



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