[GRASS5] strange v.buffer behavior
michael.barton at asu.edu
Wed Apr 13 20:04:30 EDT 2005
We are having problems with v.buffer in GRASS 6.0 and 6.1. To document this,
we tried it on the Spearfish data set. Here is what is happening.
Use v.buffer on the roads.
No problem. It behaves as expected.
Convert raster streams to vector (r.thin, r.to.vect)
New stream vector displays fine
Use v.buffer on converted stream vector.
Vector area created with 0 nodes, 0 lines, 0 areas, etc.
That is, v.buffer goes through the motions, does NOT generate an error,
produces the vector folder and creates all the requisite vector files, but
there is NOTHING in them (the coor file is 0kb and the rest are 4 kbi.e.,
Any idea what is going on?
Michael Barton, Professor of Anthropology
School of Human Evolution and Social Change
Arizona State University
Tempe, AZ 85287-2402
voice: 480-965-6262; fax: 480-965-7671
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