[M4IF Technotes] X3D/XMT compatibility

[Mikael Bourges-Sevenier]

> 
> Mikael Bourges-Sevenier wrote:
> > There are different flavors of "BIFS text" or BT format. 
> IM1 uses one, 
> > ENST tool another one... with very small differences but enough to 
> > make a VRML syntax compliant parser crash!
> 
> This is not true in my experience. The syntax of TXT and BT are 
> different, but both BIFSEnc and mp4tool accept pure, unmodified VRML 
> syntax as input.

ENST and IM1 tools parse pure VRML but the reverse is not true: other VRML
compliant parsers wouldn't parse BifsText files (this is what I'm talking
about). 
> mp4tool does additional translation on the URLs: when the url 
> points to 
> a GIF/JPG, then mp4tool automatically creates the OD.

Neat! So do other *commercial* translators...
Kind regards,
Mike
> 
> Best regards
> JC
> --
> Jean-Claude Dufourd       @======================================@
> ENST, Dept COMELEC             The wing, over the big rock...
> 46, rue Barrault          @======================================@
> 75013 Paris                Tel: +33145817807    Fax: +33145804036
> 
> 
>