Hello, everyone

I have found the 3DDescriptors class in RDKit to be quite useful, however, I 
have some gripes with the documentation.
The descriptors which are listed here 
(https://www.rdkit.org/docs/source/rdkit.Chem.Descriptors3D.html) neatly with 
formulas, brief descriptions, and references, which is something I appreciate. 
However, as I don't have a background in physics (something which I think 
applies to other users of this software as well), it's not always clear to me 
what the individual descriptors describe.

As an example, InertialShapeFactor is for me diffuse. I understand how the 
formula works and what the components of the formula represent, but I do not 
exactly envision what topological features I should expect from low vs. high 
numbers of this descriptors without performing the necessary calculations on 
examples.

The reference to Todeschini and Consoni's book (which, as a book, is not freely 
available) on these descriptors also fails to give a "layman's" understanding 
of this descriptor. I therefore think it would be beneficial if the brief 
description in this documentation would be expanded to reflect on the nature of 
what these descriptors describe.

What are the thoughts of the other members in this community on this?


Illimar Rekand
Ph.D. candidate,
Brenk-lab, Haug-lab
Department of Biomedicine
Department of Chemistry
University of Bergen

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