So, RasMol/Chime is right-handed, but it has the +Y axis pointing *down*.

(Note that we are going to try to keep this relatively simple by not yet
introducing the issue of rotations about the axes)

What do people think we should do about it?

 1. Maintain RasMol/Chime compatibility ... +Y points down
     - RasMol/Chime users are used to seeing their molecules
       in this orientation
     - won't break existing scripts
     - nobody really cares, just leave it alone

 2. Break RasMol/Chime compatibility ... +Y points up
     - this is the way it should have been done in the
       first place, we have an opportunity to fix it,
       let's not propogate errors
     - if someone *really* needs to see their molecules
       in the RasMol/Chime orientation they can just do a
       'rotate x 180'

 3. Support both
     - just add a switch/script command to Jmol
     - it is easy to do ... Jmol already does both
     - Q: What should the *default* orientation be?
     - Q: What do you call this switch in a menu?
     - Q: Any proposal for what the script command should be?


Miguel





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