Bugs item #974436, was opened at 2004-06-17 04:54
Message generated for change (Comment added) made by migueljmol
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Category: Graphics
Group: None
Status: Closed
Resolution: Fixed
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Miguel (migueljmol)
Summary: vector scale
Initial Comment:
I didn't hear back about vector scale. It's important
to be able to designate the scale length of vectors; we
have a case right now we want to display, but the
vectors are way too small to see, even though the
vibrations themselves are fine.
Bob Hanson
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>Comment By: Miguel (migueljmol)
Date: 2004-09-18 15:40
Message:
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But that is what I did ... or at least I *think* that is
what I did.
vector scale {scale} and vibration scale {scale} are now
completely decoupled.
It was filed under more than one bug report
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Comment By: Bob Hanson (hansonr)
Date: 2004-09-18 11:25
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My point was that
vector scale 3
sets the scale of both the vector AND the vibration
amplitude. IMHO these need to be decoupled. Perhaps
vector scale 3
sets the vibration vector length
vibration scale 3
sets the vibration magnitude
Mostly, the problem is that to see decent-sized vectors, the
vibration amplitude is unrealistically large. The problem
can be seen at
http://www.stolaf.edu/depts/chemistry/mo/struc/vibrate.htm
where we can't show both at the same time. What I want is to
be able to set larger vectors and smaller vibrations.
Bob Hanson
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Comment By: Miguel (migueljmol)
Date: 2004-06-17 09:02
Message:
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vector scale 2
will double the length of the vector.
vector scale .5
will cut it in half
Note that the scale of the vector display is tied to the
amplitude of the 'vibration on'. At the zenith of the sin
curve the center of the atom is at the point where the tip
of the vector was when at rest.
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