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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: [gislist] Working with raster data |
| Date: |
09/22/2003 06:20:01 PM |
| From: |
Neil Havermale |
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You would need to intersect the slope polygon of 40%=> DEM with tree stand
polygons essentially. I am not ArcGIS skilled so I apologize for the lack of
a detailed step-by=step. If you are interested in learning some of the
conceptual issues related to your topic you might take a look at some of the
case examples at:
http://www.innovativegis.com/basis/Senarios/Default.html
MidNight Mapper
Aka neil
-----Original Message-----
From: Michele Mattix [mailto:michele@wildapache.net]
Sent: Tuesday, September 23, 2003 8:46 AM
To: gislist@lists.thinkburst.com
Subject: [gislist] Working with raster data
Greetings everyone --
I am new to desktop ArcGIS and am having a challenge with a project I'm
working on. I have a polygon file with tree stand types identified. I also
have raster DEM data which I used to calculate slope. Slopes that are
>40% get a "1" and they are displayed on my map. I need to calculate
>the
(partial) area of each tree stand polygon which has a slope > 40%. I will
also need to calculate the overall area for the entire study area where
slope > 40% How do I do this with raster data?
Thank you for your help.
Michele
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