How to calculate bind pose for bones not attached to the skin

[Anonymous]

Hi

I can easily get bind pose matrices for the bones affecting a mesh from the FbxClusters.

I can also calculate bind pose matrices of bones which have no FbxClusters assigned to them if these bones have parent bones which have clusters assigned to them by the method described in the last post here: http://forums.autodesk.com/t5/FBX-SDK/Skeleton-Bind-Pose-for-bones-not-linked-to-clusters/m-p/417362...

Now the problem I am having is how to calculate bind pose matrices for the bones which have no FbxClusters assigned to them and which have either no parent nodes or their parent nodes have no FbxClusters assigned to themselves as well. (Please note that FbxPose has no matrices for these bones either)

In the image below I have outlined examples of such bones in red:

[Anonymous]

I would greatly appreciate it if anybody could provide suggestions which could help me to solve this problem.

P.S. I would be more than happy to further explain and/or clarify the problem.