[Matplotlib-users] Animating 3D quiver plot in 1.4.3?

[plottingberra]

Hello! 

I want to create a 3D animation that animates the trajectory of a flying
object. The FuncAnimation object has been really helpful in doing so, but
now I want to plot an arrow (using the Quiver class) depicting the
acceleration vector at the object's position in its path. 

My key problem is that I only want exactly one arrow on the plot at a time.
Currently I am able to create an animated trail of arrows, but I want to
clear the arrows that were plotted before a certain time t. I know that
there exists a method set_UVC that allows for this sort of data updating,
but I cannot get it to work for the 3D case. 

Alternatively, I tried searching for a method that clears the entire quiver
plot (inelegant, but should work for my loop), but was unsuccessful in
finding one that works. 

I'd like to ask, then:
1. Is there a way of making set_UVC work for my 3D case?
2. What is the proper way to clear a quiver plot? 

Thank you so much! 



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