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| GeoCommunity Mailing List |
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| Subject: | [gislist] GIS Puzzle |
| Date: |
02/01/2004 07:40:01 PM |
| From: |
epoulsen |
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Hello!
I have GIS puzzle. I am looking to create a road accessibility variable for
districts in Mozambique. I have 3 types of roads categories paved,
semi-paved and dirt. What I want to be able to do is come up with a value
for the accessibility to the roadway, weighted based on type. One thing
that I notice most studies seem to do is to calculate a road density based
on the length of road and the area of the polygon, however I feel that this
won't represent access for those polygons that have roads nearby and/or
surrounding them (as there is accessibility to them), but would end up with
a value of zero.
So is there anyone out there that can think of a good way to get a value for
accessibility with weighting the roads based on the category? Or know of
some study/genius that has?
Thank you so much!
Erika
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