[object] gatfile=gauge.gat [lods] level0=1000 [vertices] v0=-5, 0, 5 v1=5, 0, 5 v2=5, 0, -5 v3=-5, 0, -5 v4=-5, 0, 0 v5=5, 0, 0 v6=0, 0, -5 v7=0, 0, 5 [level0] linelist=a_tree v0 v2 linelist=a_tree v1 v3