[pstricks] Normal arrows along a curve

[Herbert Voss]

Am 30.07.2010 17:16, schrieb James:

> Assuming I could draw with the symbols, I may be able to draw the figure
> twice, once with a dotted line, and again with outward facing pipes or
> arrow symbols to get the effect - but I had no luck.
> 
> If I get more time, I would like to look into what you referred too.

maybe \psplotTangent is an option. See documentation
of pstricks-add

Herbert