Re: [Matplotlib-users] Updating quiver arrows in animation

[Eric F. <ef...@ha...>]

On 2012/09/22 3:03 AM, reckoner wrote:
> Hi,
>
> I have a plot that includes arrows drawn by the quiver command. I would
> like to create animation using Func Animation, but I don't know how to
> update the quiver arrows. I can update everything else on the plot and
> animates fine.
>
> Does anybody know how to update the quiver arrows in an animation? I
> know the quiver arrows have a XY property, but changing that doesn't
> update the plot.

You cannot update the arrow positions without making a new Quiver 
instance, so to animate with varying positions, you will need to delete 
the previous Quiver instance and make a new one for each frame.

Eric

>
> Thanks!