Re[2]: [PyX-user] What's wrong with this picture?

[Alan G I. <ai...@am...>]

On Sun, 26 Feb 2006, Michael Schindler apparently wrote: 
> What happened, is that the "arclength" 3.1415 you inserted 
> above, is bigger than the total arclength of 1.25 of the 
> circle. Therefore, you get a point that is extrapolated 
> from the very last path element the circle consists of 
> (This is probably a short closing line) 

This might best, but with circles I guess I would have 
expected to wrap around (mod arclength).


> This is what [Gary] wanted:
> x,  y  = circle.at(0.)
> x1, y1  = circle.at(0.5*circle.arclen())
> because the standard parameterisation is in arclength.  


Suggestion:
a convenience method  'at_degress' or 'at_radians' for circles.
(Might be nice for arcs too ...)

Cheers,
Alan Isaac