def _group_or_panel_from_dict(d, obj):
''' Convert a dictionary to a group or panel and add to model. '''
base = VirtualPanel.from_dict(d)
obj.set_type(base.get_type())
obj.set_name(base.get_name())
obj.set_local_frame(
base.get_local_fast_axis(),
base.get_local_slow_axis(),
base.get_local_origin())
for child in d['children']:
if 'panel' in child:
index = child['panel']
obj.add_panel(obj.root()._container[index])
else:
HierarchicalDetector._group_or_panel_from_dict(child, obj.add_group())
