OK, this is waaay out on the "some day would be nice" frontier, but I'm
wondering if there is any way to get animation for figures that have
moved between refreshes, ala GEF. (Actyually, I haven't had great
success getting this to work there anyway.) That is, if you place a
figure at X[1],Y[1],Z[1] and then move that figure to X1[4],Y1[1],Z1[1]
to have the intermediate step(s) X1[2],Y1[1],Z1[1], X1[3],Y1[1],Z1[1]
rendered at some time slice period. (Of course one could do it manually
but that's not practical for all cases.)