dino wrote:
> I posted this to the sage-newbie list, but it never generated a
> response. I understand this list has
> more people "in the know."
>
> We have the following snippet:
>
> arm = animate([arrow((0,0),(cos(i), sin(i)),
> rgbcolor=(1,0,1))
> for i in srange(0, 2*pi, 0.3)])
> arm.show()
>
> It generates a rotating arrow. I wish to generate an animated line,
> but the obvious substitution fails, generating a graph but no line.
> Fiddling with the code in other ways also fails.
>
sage: arm = animate([line([(0,0),(cos(i), sin(i))],
rgbcolor=(1,0,1))
for i in srange(0, 2*pi, 0.3)])
sage: arm.show()
seems to work. Note that line() takes a *list* of points, not just two
points as two separate parameters, so it is [(0,0), (cos(i), sin(i))].
Jason
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