> I'm looking for a vector graphics program (for Windows or Linux) which
> is able to export polygons and curves,
> especially Bezier curves, as splines to PoV-Ray. The program should also
> support import of bitmap graphics, so that I
> would be able to manually draw a bezier curve based on a scanned image.
> 

Open the images with The Gimp. Use for example select by colour to select 
the calligraphies. Then selection to path, save the path. You can use my 
little Python script gimppath2pov to convert the points of the path to an 
array that can be used by POV-Ray as a bezier spline. 
http://members.home.nl/seedseven/#gimpov

Ingo

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