[M4IF Technotes] X3D/XMT compatibility

[tm991058]

hello all,
I'm an austrian student from the college for telecommunication and media. At present I'm working at my diploma project, which is about authoring MPEG4-scenes.
I have already made a test-3d scene and exported it to vrml...than I converted it to x3d..
The next steps would be to make a xmt file out of the x3d file, than to get bif out of this and than finaly get a mp4 scene...
My present problem is: How can I get from x3d to xmt??
I haven't found any converters and I haven't found any rules how to change the x3d code by hand (in a text editor) to get to xmt...
I've heard a lot about the interoperability and compatibility between xmt and x3d... I've read a lot about the compromise and the compact form of x3d..  someone claimed that it is easy to get from x3d to xmt because of the compromise form... i've found many statements that there is a high compatibility between xmt-a and x3d... but nobody is writing about a practical method to get from x3d to xmt...
Maybe I wrap something...
I would be really glad to hear from someone of you!
Thanks very much in advance!
karin
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