Hello PyMOL users! I was wondering if there's a way to enable periodic boundary conditions in PyMOL? I found a script called realtime-windowsserver.com in the mail archive, but the message is 3 years old - so I thought may there have appeared a built-in solution? Of course, the cctbx does not have a canned answer to every question, even if it is a reasonable question. Fortunately, by virtue of being a Python based system, the cctbx does lend itself to being extended and embedded in order to form answers to questions that one might come across. This Boost::python submodule was added in , and the old numeric API was removed completely in This patch: Compiles the new module when available - Removes the old, deprecated source when unavailable - Links the new library to the numpy bridge when available - Fixes a missing compile definition when building statically This patch DOESN’T update the API used in the numpy bridge.