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points in polygon with certain distance

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points in polygon with certain distance Empty points in polygon with certain distance

Post  maciasluis on Mon Mar 17, 2008 3:01 am

Hello,
I have serveral polygons (tree areas) and the number of points (tree trunks) per polygon. Now I want to create the number of points in the polygons with a certain distance from the polygon and from the other points.
The Points Dispersion Wizard out of the forum and the animal movement tool do not work.
I can use ArcGIS 9x as well as ArcView 3x.
Thanks for any help!

maciasluis
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points in polygon with certain distance Empty Re: points in polygon with certain distance

Post  christopher on Mon Mar 17, 2008 3:01 am

Hi Leilah,

Can you explain your problem a bit more, perhaps with a diagram?

Thanks,
Miles
Miles Hitchen
ESRI/Oracle Developer
Geospatial Futures Team
Ordnance Survey
UK

christopher

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points in polygon with certain distance Empty Re: points in polygon with certain distance

Post  prabhat on Mon Mar 17, 2008 3:02 am

Hello Miles,
have a look at the jpg. The polygon (area of trees)on the left hand side includes 14 tree trunks (points), the right one includes 4. I put them in there by using "Create random points" and a dbf with the amount of trunks per polygon. Now I want them not arranged randomly, but with a distance of 6 meter (averaged amplitudeof treetops) of eachother and to the edge of the polygon. A grid over the whole shape does not help, because the points still have to be located in the different polygons.
Do you have any ideas?
prabhat
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