On 11/23/2010 03:35 PM, Thomas A. Fine wrote:
> Hi,
>
> I recently posted the thing about text paths.  I've been able to extract
> the path data from TrueType fonts.  As far as I've read, this is
> quadratic b-spline data.  And I've been able to represent these paths
> in a tcl/tk app, which natively uses quadratic b-splines, and everything
> looks beautiful.
>
> But when I try to represent these paths in povray using the sphere_sweep
> b-spline, things aren't working out so well.  Of course at first I just
> thought this was because povray uses cubic b-splines.  And it should be
> straightforward to convert a quadratic b-spline into a cubic b-spline.
>
Have you tried to use spheres+cylinders
instead of sphere_sweep to represent original quadratic paths?
In fact, it might be even faster.

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