    #######################################################################
    #  MACRO FILE NAME: exN03Vis5.mac                                     #
    #                                                                     #
    #  AUTHOR(S): Guy Barrand                                             #
    #                                                                     #
    #  DATE: June 09, 2000                                                #
    #                                                                     #
    #  CONTENTS: A basic macro for demonstrating Inventor driver          #
    #                                                                     #
    #  USAGE:  % $G4BINDIR/exampleN03  visTutor/exN03Vis6.mac             #
    #                                                                     #
    #  REQUIRED PLATFORMS & SOFTWARES: Unix, Motif, X-window, OpenGL,     #
    #                                  HEPVis                             #
    #                                  Inventor (TGS or SoFree)           #
    #                                                                     #
    #  ENVIRONMENTAL VARIABLES (C-MACROS) FOR INSTALLATION:               #
    #  (See geant4/source/visualization/README for details.)              #
    #                                                                     #
    #    % setenv G4VIS_BUILD_OIX_DRIVER       1                          #
    #                                                                     #
    #  ENVIRONMENTAL VARIABLES (C-MACROS) FOR COMPILATION:                #
    #  (See geant4/source/visualization/README for details.)              #
    #                                                                     #
    #    % setenv G4VIS_USE_OIX                1                          #
    #                                                                     #
    #  ADDITIONAL NOTES:                                                  #
    #                                                                     #
    #######################################################################

    # Create "scene-0"
    /vis/scene/create

    # Invoke the OpenInventor driver
    /vis/sceneHandler/create OIX
    /vis/viewer/create

    # Add the world volume to the current scene
    /vis/scene/add/volume
    #/vis/scene/add/volume Layer
    # Name of the absorbers = name of their material (Lead) !
    #/vis/scene/add/volume Lead
    # Name of the gaps = name of their material (liquidArgon) !
    #/vis/scene/add/volume liquidArgon
    #/vis/scene/add/trajectories
    /tracking/storeTrajectory 1

    # Bird-eye view of events
    /vis/viewer/reset
    /vis/viewer/set/viewpointThetaPhi   45 45

    /vis/scene/notifyHandlers

    /control/verbose 2
    #######################################################################
    #   Controls on an Inventor examiner viewer are :                     #
    #  - in picking mode (cursor is the upper left arrow)                 #
    #   Ctrl + pick a volume : see daughters.                             #
    #   Shift + pick a volume : see mother.                               #
    #  - in viewing mode (cursor is the hand)                             #
    #   Left-button + pointer move : rotate.                              #
    #   Ctrl+Left-button + pointer move : pane.                           #
    #   Ctrl+Shift+Left-button + pointer move : scale.                    #
    #   Middle-button + pointer move : pane.                              #
    #                                                                     #
    #######################################################################

    /vis/viewer/update

    /run/beamOn 1