[cctbxbb] Use of cctbx with C++
luc_j_bourhis at mac.com
Wed Mar 16 02:49:58 PDT 2011
> I would like to use cctbx with C++. To start with I would like to do something basic, like:
> > from cctbx import xray
> > xs = xray.structure.from_cif(file_path="my.cif")
> I looked into the cctbx functions/class list, but I could not find something similar for C++.
> Can someone help me?
I am afraid that this is Python-only and that it will stay so. Indeed the philosophy of the cctbx is to write as little C++ as possible. Only the most numerically intensive code is written in that language. Conversely very little of the I/O is usable from C++ if any at all.
If you absolutely need to write your program in C++, your only choice is to embed a Python interpreter inside that program and call into the cctbx Python layer. The Olex 2 program uses that idea intensively and with great success.
The alternative, and the one I would recommend if you have just started your project, would be to write your program in Python, with perhaps the seldom offloading of cpu- or memory-intensive task to some C++ code of yours. This is the way of the Phenix macromolecular suites and it works great too.
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