Vibrations: Force vectors not drawn on atom surface

Bugs item #2728355, was opened at 2009-04-03 16:36
Message generated for change (Tracker Item Submitted) made by mbanck
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Category: Rendering
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Michael Banck (mbanck)
Assigned to: Nobody/Anonymous (nobody)
Summary: vibrations: Force vectors not drawn on atom surface

Initial Comment:
This might not be a bug, but intended behaviour, but still:

For small deflections (either low intensity vibrations or heavy atoms), the arrows might only barely or not visable at all for Ball-and-Stick mode (and much more so for VdW mode). This is because the vectors get drawn from the atom center, not from the atom surface as displayed by avogadro.

Probably similar programs should be checked on what to best do here. However, I think at least for the rather standard Ball-and-Stick display mode, displaying of vectors should be assured.

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