#include the animation system (should be the 1st line)
    source /home/sergio/bin/TCL_SCRIPTS/userani.tcl

    #example for resets on start
    add_section kickoff -start first -noplay ;       #no end means 1 frame
    add_eval kickoff display projection Orthographic                
    add_eval kickoff display cachemode On                           
    add_eval kickoff display resetview;     #reset view on frame 0
    add_eval kickoff draw delete all
    add_eval kickoff  scale to 0.0501425 
    add_eval kickoff rotate x by -90.0;
    add_eval kickoff material change opacity AOChalky2 1.0;     #reset view on frame 0
    add_eval kickoff axes location off 
    add_eval kickoff updatesettings;     # So that periodic images are restored
    add_eval kickoff    mol top 0
    add_eval kickoff translate by 0.0 -0.2 0.0
    for {set i 0 } {$i < 12} {incr i} {
    add_eval  kickoff mol showrep 0 $i on
    }
    add_eval  kickoff mol showrep 0 12 off
    add_eval kickoff  mol modmaterial  0 0 AOChalky
    add_eval kickoff  mol modmaterial  13 0 AOChalky
    add_eval kickoff  mol modmaterial  14 0 AOChalky
    add_eval kickoff mol smoothrep 0 11 2
    add_eval kickoff mol smoothrep 0 2  2

    #Kickoff really
    add_section kickoff2 -after kickoff -shiftend 150 -step 1  #no end means 1 frame + 10%
    add_eval    kickoff2 dummy ;

    add_section topview -after kickoff2 -shiftend 150    -noplay 
    add_eval topview dummy
    add_userani topview rotate  x 90 
    add_userani topview FadeTransparency AOChalky2 1.0 0.0 ;

    add_section ShowOs -after topview -shiftend 350  -step 1
    add_eval ShowOs dummy

    add_section ShowSite -after ShowOs -shiftend 200  -step 1
    add_eval ShowSite  mol modmaterial  0 0 Transparent
    add_eval ShowSite  mol modmaterial  13 0 AOBright   
    add_eval ShowSite  mol modmaterial  14 0 Transparent


    add_section MoveForward1 -after ShowSite    -shiftend 300  -step 1 
    add_eval MoveForward1 mol smoothrep 0 11 0
    add_eval MoveForward1 mol selupdate 11 0 1
    add_eval MoveForward1 mol selupdate 2 0 1
    add_eval MoveForward1 mol smoothrep 0 2  0

    add_section MoveForward2 -after MoveForward1 -shiftend 900  -step 1 
    add_eval MoveForward2 dummy
    add_eval MoveForward2 mol smoothrep 0 11 2
    add_eval MoveForward2 mol smoothrep 0 2  2
    #output settings on source
    print_story
    print_timeline 1.2