[Shapelib] Creating an Arc

Frank Warmerdam warmerdam at pobox.com
Mon Jul 27 21:36:02 EST 2009

Sling Blade wrote:
> You are correct that shapefiles cannot store curved arcs.  The normal
> technique is to approximate them as polylines.
> What would be great would be to learn how to approximate an Arc with
> Polylines. Do you have any code showing how this is done?
> Regards


There is some example code for converting arcs to polylines in:


A lot depends on how your arcs are defined.

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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