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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: Area of classified theme in 3D |
| Date: |
08/04/2001 10:09:26 AM |
| From: |
epoulsen .. eden.rutgers.edu |
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Hi Kushy,
Maybe you could convert the grid to a shape file, you will have to bring
the slope grid into a view, and then with the surface analysis extension
on, go to Analysis... Reclassify... this will make a new grid with one
value for each class. Then you can go to Theme... Convert to
Shapefile... it should make a polygon for each class and then you should
be able to get the area of the polygon. You could load the script
calcapl.ave which would add the area and perimeter for each polygon, then
you could have the polygon table open and under Field... Summerize... and
get the total area for each polygon.
This may not be the most accurate way, and I am sure that there must be
ways to accomplish this in 3D view or in Spatial Analyst. But this is
just a simple suggestion.
Erika
On Sat, 4 Aug 2001, kushy nama wrote:
> Hi,
> I m facing a problem.
> In ArcView 3D analyst, I classified a theme on the
> bases of slope or aspect, Obviously it defined
> different areas, now I want to calculate the area of
> each class.
> Any suggestion?
> Kushy
>
>
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