I have a problem understanding the rotation of bones. While objects are rotated around their axis as expected bones seem to behave differently (Even when the objects are parented).
In the first picture you see the sample object once with bones and once with separate objects. You can also see that the rotation angles are different while the result is (more or less) the same. However for the first bone and the respective object the rotation angles are both 0.
This picture shows the rest pose.
For my export script I want the rotations of the bone to be like the object rotations. I use quaternions but for understanding the problem better I displayed euler angles in the pictures.
Thanks in advance!