I’m teaching on how to analyse membrane protein simulations next week at the University of Bristol as part of a arranged by . As it is only 90 minutes long, it only covers two simple tasks but I show how you can do both with (a python module) or in Tcl in . Rather than write something and just distribute it to the people who are coming to the course, I’ve put the whole tutorial, including trajectory files and all the example code . Please feel free to clone it, make changes and send a pull request (or just send me any comments).