icecube.steamshovel.util.camerafocus module

icecube.steamshovel.util.camerafocus.getFocusPoint(frame, key)

Given an I3Frame and a key, return a camera focus point for that key

The return value should be an I3Position (or generally any type convertable to a shovelart.vec3d). If no position can be extracted from the object, return None or throw any exception.