When ICE was first introduced there were all sorts of MR render anomalies with instances, like no motionblurring or vampirisim (not showing in any reflections, lol.) I guess they didn't fix them all! :p
If you use ICE modeling to generate a merged mesh of real geometry, it will probably work. On Fri, Nov 30, 2012 at 1:54 PM, olivier jeannel <[email protected]>wrote: > Hi guys, > > Just for fun, I was toying in MR and caustics before leaving work. > A ground + a glass ball (architectural) . So far so good, I had my little > caustics on the ground. > Then I tried to instance shape the glass ball wit ice, to have many balls > on the ground. > And then no more caustics on the instances (I'm still having caustic > through the original ball on the ground). > > Any idea ? >

