/ 'light1' -1000. -1000. 1000. 0.6 'light3' -1000. -1000. -1000. 0.6 'light4' -1000. 10000. -1000. 1. 'light2' -1000. 10000. 1000. 1. 'light2' 15000. 7000. 0. 0.3 /