[JAVA3D] How can I get the animation data from VRML file

[오승우]

How can I get the animation data from VRML file.   I using the vrml97 loader(old vrml 97 loader included in Java3D Fly Through) or Xj3D vrml loader.   but, i can just read the model data, but can't read the animation data.   How is it possible ?