Before you run the scripts:

To use these scripts you must set the environment variable

LAMMPS_TOOLS_PYTHON in your shell to point to the Pizza.py modules

LAMMPS_PYTHON_TOOLS in your shell to point to the Pizza.py modules

that the scripts use.  This can either be a) the pizza sub-directory

under lammps/tools/python, or b) the src directory in the Pizza.py

package if you have installed Pizza.py on your box.