Structure of VRML (Virtual Realty Modeling Language) files
1998.11.28    by Tatsuki Ogino (Nagoya University)

VRML files
  |
  |-- earthb1 ----- solar wind-magnetosphere interaction
  |             |   small volume for -20Re<x<10Re, 0<,y,z<10Re
  |             |-- egns302.wrl  :from north to south, t=302 min
  |             |-- egns304.wrl
  |             |--
  | 
  |-- earthb2 ----- solar wind-magnetosphere interaction
  |             |   large volume for -48Re<x<12Re, 0<,y,z<15Re
  |             |-- ehns302.wrl  :from north to south, t=302 min
  |             |-- ehns310.wrl  :from north to south, t=310 min
  |             |-- ehns320.wrl
  |             |--
  |
  |-- sample ------ example of VRML files
  |             |-- anchor01.wrl :example of VRML files
  |             |-- ball01.wrl 
  |             |-- 
  |
  |-- sample2 ----- solar wind-magnetosphere interaction
  |             |-- ebns310.wrl  :from north to south, t=310 min
  |             |-- ebns320.wrl
  |             |-- lineb2.f     :fortran program
  |             |-- lineb2.wrl   :VRML file made by fortran program
  | 
  |-- sample3 ----- example of fortran program and VRML files
  |             |-- face015.f    :fortran program
  |             |-- face015.wrl  :VRML file made by fortran program
  |
  |-- sample4 ----- example of VRML files
  |             |-- Paperplane.wrl :example of VRML file
  |             |-- box.wrl
  |             |-- edq7a546.wrl : quadrupole magnetosphere
  |             |