Hi All --

I've been mucking about with "zoom" today and wondered this: is it expected
behavior that the 100% level for zoom should be held constant for a loaded
model?  What I mean is this: when a structure is loaded, the 100% level is
calculated by Jmol to be the factor at which "all atoms are completely
visible on the screen through all rotations using the default vanderWaals
rendering percentage."  If I then issue "zoom 200", the display is zoomed in
by 200 percent -- expected behavior.  If, however, I issue: "zoom (atom
expression) 100"  (for example, "zoom (*:B) 100"*), *would it* *not be
reasonable to expect the display to be altered such that the stated atom
expression is now scaled to (approximately) fit the Jmol display?

I'd like to use this to automatically transition to selected portions of PDB
files (such as ligands or amino acid ranges of interest) and have the proper
display zoom auto-calculated.

Is there another way to do this?  Can I calculate on the fly a boundbox for
the current selection and set the zoom level to fill the display with this
new boundbox?

Cheers,
Tom
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