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Subject: Re: [gislist] simplify polygons to 4 points
Date:  02/24/2005 02:45:01 AM
From:  viktoras



a simple algorithm would be retrieving maxX maxY minX minY of the
polygon and then drawing bounding rectangles with same IDs on a new
layer using maxX maxY minX minY as coordinates for rectangle.

diodata@UDel.Edu wrote:

> This might sound strange but I am looking for a tool (extension,
> algorithm, etc...) that simplifies multi-vertex (5+) polygons to only
> 4 points. An example would be to imagine you had building footprints
> for a town. And all you need is a rectangle to represent each
> building. It would be nice if the rectangle had the same general
> orientation and size as the building footprint. Sounds like an easy
> enough question but might be very time consuming to code up from
> scratch.
> Thanks for any advice you can give. Will sum.
>
> - John
>
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