rono at lglab.imb.ntou.edu.tw
Fri Dec 30 13:19:01 EST 1994
One way to go around the problem is to digitize the center points of each
circle; convert these to a raster file; run r.buffer on the raster at high
resolution; reclass the map to 1 catagory; run r.poly on the reclass map to
get a vector map of irrigation circles.
>We are digitizing field boundaries from an aerial photography. A centre pivot
>irrigation system had been used on some fields and we need to digitize circles.
>Any suggestions on how to digitize circles? I did read in an earlier message
>about v.circle. Can somebody tell me where we could locate a copy of v.circle
>and how to use it?
>Anne M. Smith
>smitha at abrsle.agr.ca
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