Convert vector types: Difference between revisions
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'''Q:''' I want to change closed lines into areas. I tried to convert lines into boundaries with v.type, but now, how to add centroids to turn them into areas? The lines look as follows. In v.digit: | '''Q:''' I want to change closed lines into areas. I tried to convert lines into boundaries with {{cmd|v.type}}, but now, how to add centroids to turn them into areas? The lines look as follows. In {{cmd|v.digit}}: | ||
Revision as of 14:34, 30 June 2010
Q: I want to change closed lines into areas. I tried to convert lines into boundaries with v.type, but now, how to add centroids to turn them into areas? The lines look as follows. In v.digit:
GRASS 6.0:
- Run v.category:
v.category in=boundaries out=areas option=add
GRASS 6.2 and more recent:
- Run v.centroids to add centroid(s)