Remco de Korte wrote in message <3A5A368B.D282D447@onwijs.com>...
> > I have not tested it but I hope it'll help you
> > Should be very interesting to write parametric equation for it
> > to distribute evenly points on it
>
>
> That's my next step. I think I can handle that but probably by approximation.


Look at it from the top (from y axis)

You can cross your shape with planes y-z rotated evenly around y axis

Now trace crospoints of shape and plane depend of angle of rotation

x^2 + y^2 + z^2 = R1^2
x^2 + ( y - H )^2 = R2^2
x = tg( alfa ) * z

this way you can achive parametric equation with parameter alfa (but it is
complicated)

than you can use definite integral to calculate length of parametric curve
and perhaps to find n points far length/n

ABX

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