Hello everyone,

i want to describe how Fingerprints are calculated and get hashed into an
Bitstring of 1's and 0's.
My problem is the topological-torsion Fingerprint.

In generel, due to the Fingerprints in the RDKit.pdf i know how it works.

there is an example (C,2,1)-(C,2,1)-(C,3,1)-(C,3,0)
for on C with 2 bonds and one PI for (C,2,1) and so on...

I'm using the GetHashedTopologicalTorsionFingerprintAsBitVect  function to
get such a string, but i dont find any documentation, how it is get hashed?
In general, how are the ID's are calculated to set the "1" in the
bitstring.

I know there is now GetTopologicalTorsionFingerprintAsBitVect function due
to the size. but with GetHashed it works. Does somebody know how? i simple
description would be realy helpful.

I would appreciate your help

best,

alex
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