def register(self, name, callbable):
        assert(self.shell)
        
        self.shell.namespace[name] = callable
Draws a black border over a sphere PIL image.
dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/node.py/ShellNode.register--crossover with--dataset/ETHPy150Open victor-gil-sepulveda/pyProCT/pyproct/tools/plotTools.py/drawCircleBorder