{ "geometry":[{ "comment":"back_wall", "type":"rectangle", "p2":[556, 0, -559], "p1":[0, 0, -559], "p4":[0, 548.8, -559], "p3":[556, 548.8, -559], "ac":[1,1,1], "dc":[1,1,1], "sc":[0,0,0], "ka":0, "kd":0.5, "ks":0, "pc":0 }, { "comment":"right_wall", "type":"rectangle", "p1":[556, 0, -559], "p2":[556, 0, 0], "p3":[556, 548.8, 0], "p4":[556, 548.8, -559], "ac":[1,0,0], "dc":[1,0,0], "sc":[0,0,0], "ka":0, "kd":0.5, "ks":0, "pc":0 }, { "comment":"left_wall", "type":"rectangle", "p2":[0, 0, -559], "p1":[0, 0, 0], "p4":[0, 548.8, 0], "p3":[0, 548.8, -559], "ac":[0,1,0], "dc":[0,1,0], "sc":[0,0,0], "ka":0, "kd":0.5, "ks":0, "pc":0 }, { "comment":"ceiling", "type":"rectangle", "p1":[0, 548.8, 0], "p2":[0, 548.8, -559], "p3":[556, 548.8, -559.0], "p4":[556, 548.8, 0], "ac":[1,1,1], "dc":[1,1,1], "sc":[0,0,0], "ka":0, "kd":1, "ks":0, "pc":0 }, { "comment":"floor", "type":"rectangle", "p1":[0, 0, 0], "p4":[0, 0, -559], "p3":[556, 0, -559.0], "p2":[556, 0, 0], "ac":[1,1,1], "dc":[1,1,1], "sc":[0,0,0], "ka":0, "kd":0.5, "ks":0, "pc":0 } ], "light":[ { "type":"point", "centre":[278, 540,-279.5], "id":[1, 1, 1], "is":[1, 1, 1] } ], "output":[{ "filename":"cornell_box_empty_pl.ppm", "size":[500,500], "lookat":[0,0,-1], "up":[0,1,0], "fov":40, "centre":[278, 273, 800], "ai":[1,1,1], "bkc":[0.5,0.5,0.5], "globalillum": true, "raysperpixel": [10, 10], "maxbounces": 3, "probterminate": 0.3333 } ] }