On Thu, 3 May 2012, Markus Neteler wrote:
It is in the cats/ subdirectory.
Markus, Interesting: # 166 categories Watershed basins 0.00 0.00 0.00 0.00 dem.basin lines 1-4/4 (END)
They are created if the raster maps has category labels (see r.category).
dem.basin: even numbers 2-166.
GRASS 6.4.3svn (nc_spm_08):~ > v.db.select myzipcodes
v.db.select basinv cat|value|label 2|126| 3|126| 4|110| 5|2| 6|2| 7|96| 8|122| 9|20| 10|98| 11|126| 12|60| 13|130| 14|4| 15|58| 16|108| 17|14| 18|120| 19|124| 20|120|
Maybe too late here, I don't get the last question.
Notice above from basinv: cats 2 and 3 have same value (but r.category shows only even number cats for the raster version, dem.basin). Also cats 18 and 20 have the same value. That's what I mean by my third question: why more categories in the vector produced in r.to.vect than in the raster source, and why duplicate values for different categories? Rich
Markus
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