[chimerax-users] Copy attribute value from one attribute to another

[Sean Connell]

Thanks so much Elaine and Eric.  This is very helpful

> On 2 Nov 2022, at 19:56, Eric Pettersen <pett at cgl.ucsf.edu> wrote:
> 
> The Python would be:
> 
> for m in session.models:
>    if hasattr(m, 'residues'):
>        for r in m.residues:
>            r.atoms.bfactors = getattr(r, 'seq_conservation', 0.0)
> 
> Which you could put into a file with a '.py' suffix, and execute in ChimeraX simply by opening it.
> 
> --Eric
> 
>    Eric Pettersen
>    UCSF Computer Graphics Lab
> 
> 
>> On Nov 2, 2022, at 10:17 AM, Elaine Meng via ChimeraX-users <chimerax-users at cgl.ucsf.edu> wrote:
>> 
>> Hi Sean,
>> If the sharing is for Chimera or ChimeraX users, you can save it as an "attribute assignment file"
>> <https://rbvi.ucsf.edu/chimerax/docs/user/formats/defattr.html>
>> 
>> As for reassigning bfactor with the values of some other attribute, you can do it with a short bit of python, which somebody else on the ChimeraX team can provide (soon).  You may lose significant digits writing it out in the bfactor column of a PDB file, however.
>> 
>> I hope this helps,
>> Elaine
>> -----
>> Elaine C. Meng, Ph.D.                       
>> UCSF Chimera(X) team
>> Department of Pharmaceutical Chemistry
>> University of California, San Francisco
>> 
>>>> On Nov 2, 2022, at 3:39 AM, Sean Connell via ChimeraX-users <chimerax-users at cgl.ucsf.edu> wrote:
>>> 
>>> Hello, I have a question with a probably obvious answer but I cannot figure it out. 
>>> 
>>> Is there a command to copy an attribute value from one attribute to another, for example, seq_conservation to bfactor? The idea would be to save a pdb file with the conservation stored in bfactor (for sharing). In this case I guess there is the issue that one is an atom attribute and the other is residue attribute but one could assign all atoms of the residue the same value.
>>> 
>>> Sorry in advance if I miss something obvious.
>> 
>> 
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>