Panning on azimuthal projections

Hi,

It seems that b/c azimuthal projections are based on a projection onto a plane
tangent to the earth, there's no way of panning the map without resetting the
center or point of tangency each time you change your view. I was wondering if
there is any way to fix the point of tangency for an azimuthal projection and yet
still allow panning capabilities other than zooming in and out. Any input or help
would be greatly appreciated!

thanks,
Karen

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