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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: Remote Sensing |
| Date: |
02/13/2002 07:37:17 AM |
| From: |
BBitters1 .. aol.com |
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Prabhakar Rao,
It is acceptable to interpolate elevation values
at half the published contour interval. Remember
this is interpolation. Interpolation is a form
of estimation and there are automatic built-in
inaccuracies.
Using other map detail, for instance linear
hydrography, one can safely interpolate down
to one-tenth of a contour interval. This process
can only be performed within close proximity
of linear hydro features. It can not be applied
over the entire area of the map. This is also
an imprecise procedure but provides reasonable
results.
Best regards,
Barry
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Barry Bitters
Dept. Environ. Studies phone: (850) 936-1060
University of West Florida fax: (850) 936-1060
11000 University Parkway
Pensacola, Florida 32514 bbitters@uwf.edu
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