[gdal-dev] Smoothing polygons
Stephen Woodbridge
woodbri at swoodbridge.com
Mon May 12 18:38:09 EDT 2008
Have you considered using a convex hull to merge the results.
-Steve
Clay, Bruce wrote:
>
>
> With the help of some folks on this forum I have successfully managed to
> create polygons that represent the coverage area of a set of geo-data
> points. The operation does quite smoothly and fairly fast. I am don’t
> to one final operation that I have searched both GDAL/OGR and GEOS API
> and have not found.
>
>
>
> Before I start coding I wanted to ask if anyone knows of an existing
> operation that I missed that will smooth the edges and simplify the
> resultant polygons. The attached files show the buffered points as
> overlapping polygons and the final merged polygon. The merged set is a
> result of applying a buffer to a GeometryCollection. If the images make
> it though the mail filters you can see that the edges of the polygons
> have a scalloped effect. If I can smooth the edged it should reduce the
> stored geometry size.
>
>
>
> Any thoughts would be greatly appreciated.
>
>
>
> Bruce
>
>
>
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