[Chimera-users] How to accurately and proportionally adjust structure size

Elaine Meng meng at cgl.ucsf.edu
Wed Nov 2 12:59:30 PDT 2016

Dear Xiaoyan Zhu,
This previous post with some Python code may be the answer:


However, I see it is rather old (2005), so maybe the programmers can comment on whether this should still work.

I hope this helps,
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Nov 2, 2016, at 10:20 AM, Zhu, Xiaoyan <xiaoyan.zhu at marquette.edu> wrote:
> Hello,
> I am trying to compare the cryoEM structures of radial spoke from different organisms. In the mean time, I want to display the same structure from different views. 
> I have trouble to adjust the size accurately and proportional within the same and between different models.​
> For example, when I adjusted the structure from distal view and then rotated to the proximal view, the distance from screen changed and so the size changed. If I manually adjust the structure after rotation, I don't know how to make the structures from both views identical size.
> Similar thing troubles me when I want to adjust the size of two independent structures proportionally.
> Hope I made myself clear.
> Thank you a lot!
> Xiaoyan Zhu 
> Ph.D. Candidate 
> Department of Biological Sciences, Marquette University

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