Hi,
here is a vector topology related issue:
After merging a base layer of adjacent polygons (all the counties of an
island) into one polygon (the island's polygon) I am riddled by two issues:
1) How to get just the outline of the island ? Both v.type and v.extract with
type=boundary,line
[EMAIL PROTECTED] pisze:
1) How to get just the outline of the island ? Both v.type and
v.extract with type=boundary,line produce an empty vector.
The manual reads:
---
NOTES
Only features with a category number will be extracted. So if you want
to extract boundaries (which are usually
Hi,
1) How to get just the outline of the island ? Both v.type and v.extract
with type=boundary,line produce an empty vector.
The manual reads:
---
NOTES
Only features with a category number will be extracted. So if you want
to extract boundaries (which are usually without category, as
