[pstricks] lines perpendicular and tangent to a bezier curve

Herbert Voss Herbert.Voss at FU-Berlin.DE
Mon Apr 5 12:00:59 CEST 2010

Am 05.04.2010 05:31, schrieb mathias legrand:

> it looks like with the "ArrowInside=-|" command, it is possible to have
> access to a line which
> is perpendicular to a bezier curve for a given intrinsic parameter with
> the "ArrowInsidePos" parameter.
> I would like to have these lines more flexible in order to make them
> arrows or whatever.
> The same with tangent lines would be great!
> Is it easy to implement?
> I had a look at pst-thick as well but it handles function-like curves
> only (nothing like psbezier or pscurve, unfortunately).

have a look at pstricks-add. You can draw perpendicular liens
to a curve, defined by three points.


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