As part of the conversion to the cdk Atom class I noticed that the
physical coordinate representation of atoms (in Angstroms) went from float
-> double ... Point3f -> Point3d.

It really doesn't matter to me. And remember that I am not a chemist ...

Q: What was the reasoning behind using doubles instead of floats? Is it
the case that this level of precision (or range) is needed?

Previously, there was a mixture of floats and doubles used in the
implementation. I had been working my through eliminating all doubles from
the implementation and converting everything to floats.

Since the new Atom class uses double, I am getting ready to go through the
transform/rendering code and convert it all to doubles.

Q: I now that the answer is yes, but ... Please confirm that the Atom
location will continue to be Point3d (double).

Miguel





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