if (thing.predicates[poso.yaw] && thing.predicates[poso.pitch] && thing.predicates[poso.roll]) {
                // Euler
                yaw = Number(thing.predicates[poso.yaw][0].value);
                pitch = Number(thing.predicates[poso.pitch][0].value);
                roll = Number(thing.predicates[poso.roll][0].value);