[Chimera-users] X3D to VRML conversion

Thomas Goddard goddard at cgl.ucsf.edu
Tue Aug 1 10:56:34 PDT 2006

Hi Nihshanka,

  Many others have mentioned the difficulty converting X3D to VRML.
Janet Iwasa at UCSF has had some success using the X3dToVrml97.xslt
conversion program, but says it is very slow and runs out of memory
for large systems.  I'll send you her email address in a separate email
if you would like to ask her questions.

  In Chimera version 1.2255 the "File/Export Scene"menu entry allows
directly exporting surfaces as VRML, but does not export molecule
models (ribbons, ball+stick).  Greg Couch in our lab has improved that
code to also export molecular models, but we have not yet distributed
a version of Chimera with that capability.  I just tested it and find
that it correctly exports molecules in ball and stick style and sphere
style, but ribbons were not exported correctly (the VRML only showed a
little piece).  Hopefully the working version will be available in the
next Chimera snapshot (within a few weeks or months).  Greg is at a
conference, and could give a better estimate of when it will be
available when he returns later this week.


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