The UV Edit handle is used by the UV Edit SOP to describe the edit
operations requested interactively.

Parameters:

    handle_follow - Whether the handle follows the group.
    handle_p[x,y] - The handle's pivot location.
    handle_rz     - The handle's rotation value in degrees.
    input         - A group field.  The centroid of this group is used
                    as the default origin.
    px, py        - The pivot of the edit operation.
    rz            - The rotation of the edit operation, in degrees.
    sx, sy        - The scale factors of the edit operation.
    trs_order     - The translate/rotate/scale order.
    tx, ty        - The translate amount for the edit operation.
    xyz_order     - The order to apply rz in, thus, irrelevant.

See Also: UV Edit (reverse z)
