 $Id$ 

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 The documentation file for the Virtual Geometry Model example
 Copyright (C) 2007, Ivana Hrivnacova               
 All rights reserved. 
           
 For the licensing terms see vgm/LICENSE.
 Contact: ivana@ipno.in2p3.fr
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 VGM Example E04
 Exporting geometry from Root to XML
 --------------------------------------
 
 Source: Root tutorial rootgeom.C macro
         Main program rootgeom.cxx
         
 1. Build example:
    The example is built in the same way as a standard Geant4 example;
    the VGM packages are already provided in CMakeList.txt
    The example program is called exampleE04.
    
 2. Run example
    $ exampleE04
 
 3. Open and view the generated XML files;
    in GraXML:
    $ graxml
    w.show("TOP.agdd");
    w.show("TOP.gdml");

                
