We recently discovered that osgSim::DOFTransform nodes were unexpectedly removed from the scene graph by the unconditional use of the osgUtil::Optimizer in osgconv. The DOFTransform nodes were marked by our modelling tool (Max with the osgmaxeporter plugin) as STATIC.
Should the optimizer flatten DOFTransform nodes at all, under any circumstances? They carry much more information than a simple transformation matrix, such as the ranges for the DOFs. In our case it was this information that needed to be preserved. Can anyone think of a good use case where one would want to flatten DOFTransform nodes with osgconv? After all, if I weren't interested in the additional information, I could just use a MatrixTransform... Regards, Magnus
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