Find. the. Doctor. DEC-I-MATE! DEC-I-MATE!
The decimate function in Hexagon is pretty handy if you're a sculpture based modeller but one of the problems I find with it is sometimes it gets rid of edges I want to keep for seams for UV Mapping.
Is there a way you can select edges and tell decimate that these edges must be preserved during the decimation process?
I noticed too that symmetry isn't maintained during a decimation so I've just halved the model decimated and then cloned the two halves back together. Is this the only way around that or is there another way to maintain model symmetry during decimation?