def group_dict(self, group):
        return dict(
            (name, opt.value()) for name, opt in self._options.items()
            if not group or group == opt.group_name)
For each point return pixel values around the point
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/options.py/OptionParser.group_dict--crossover with--dataset/ETHPy150Open jesolem/PCV/PCV/localdescriptors/harris.py/get_descriptors