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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | [gislist] Re: Viewshed mapping |
| Date: |
11/06/2003 08:30:03 AM |
| From: |
sborovska .. tompkins-co.org |
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An aerial photo can be handy. There are places on the Internet or
you can try the local government. In Arc GIS or ArcView create a
poly shapefile and set the aerial as a background image. Then just
draw a polygon that goes around all the features from the photo that
you see from a particular sensor. However, some judgment is
required but this may be a good thing since you can set up some
overlapping areas in case you need them.
Best,
SB
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