hi Miguel, I will contribute where I feel comfortable but I apoolgize - I can't confirm many of your statements. we'll have to wait for more authoritative input.
at 12.37a EDT on 2004 February 16 Monday Miguel Howard said: > > Right Hand rule says that with the right hand: > thumb -> +X > index finger -> +Y > middle finger -> +Z > > *Someone please confirm this* > aye, as far as I know from my conversations with Jan and personal experience. this means your palm should be facing toward your face. > > RasMol/Chime have the +X axis pointing to the right, the +Y axis pointing > down, and the +Z axis pointing away from the user. This is a valid > right-hand system. > > *Someone please confirm this* > I can not confirm this. I can contort my right-hand into such a position, though it is not easy. does that mean it is valid? ;-) > > My confusion surrounding this issue is caused by the fact that > RasMol/Chime has the +Y axis pointing downwards. I find this orientation > unnatural. > agreed. +Y has always been up in my mind. same with +X to the right. > Q: In the abstract, independent of any existing applications/scripts that > may exist, what do people think about this? Do you believe that the +Y > axis should point upwards or downwards? > +Y should point up - see above. > Q: Given that there *are* existing applications and tutorials, what do you > think we should do about this issue? > a right-handed orientation "seems" more natural to me, though I am hard-pressed to explain why (I'm left-handed). > Q: Do other molecular visualization applications have the +Y axis pointing > upwards or downwards? > I can take a look... regards, :tim -- timothy driscoll molvisions - molecular graphics & visualization <http://www.molvisions.com/> usa:north carolina:wake forest ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id56&alloc_id438&op=click _______________________________________________ Jmol-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jmol-users
