Fix erroneous use of SbClamp. This fixes a transparency out-out-bounds ug. Reported by Karel Bijl.
Fix erroneous use of SbClamp. This fixes a transparency out-out-bounds ug. Reported by Karel Bijl.

Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D