<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Paul,<div class=""><br class=""></div><div class="">Hi Paul,</div><div class=""><br class=""></div><div class=""> I suggested adding the path to sys.path in your Chimera start-up so that you wouldn’t have to modify the system Python.</div><div class=""><br class=""></div><div class=""> Here is a Python example of computing a triangulation for the part of a plane inside a closed surface, using as an example an icosahedron for the closed surface. You can just use File / Open… in Chimera to run it and it will report in the Reply Log (menu Favorites)</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Clipped icosahedron, clip plane has 10 triangles</div><div class=""><br class=""></div><div class="">More Python code examples are on the Chimera Python scripts web page:</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://plato.cgl.ucsf.edu/trac/chimera/wiki/Scripts" class="">http://plato.cgl.ucsf.edu/trac/chimera/wiki/Scripts</a></div><div class=""><br class=""></div><div class=""> The Chimera programming documentation is scant. To figure out how to write the attached example code I looked at my Chimera distribution at file</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Chimera.app/Contents/Resources/share/SurfaceCap/surfcaps.py</div><div class=""><br class=""></div><div class="">at the calculate_cap() routine. All of the Chimera Python modules are in the above “share” directory — it is useful to poke around in there to figure out how things work, although it can be hard to find what you want.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class=""></div></body></html>