The following is a typical Photopia report. PROJECT: SPOT_1 OPTIONS: Spawning 1 rays for each reaction. Writing 250 rays to a DXF file. Random number generator seed: 8. Tracing 1 reflections. Stop tracing ray at 2.0% of initial magnitude. Tracing 5000008 initial lamp rays. Photometric test distance of 20.00 feet. LUMENS EXITING SYSTEM: Lumens(%) Reflection 241( 20.1%) 0 721( 60.2%) 1 963( 80.3%) Total LUMENS ABSORBED BY SYSTEM: Lumens(%) Layer Name 90( 7.6%) REFL-CHANGE 0( 0.0%) LAMP-PHL50V1 0( 0.0%) LAMP-PHL50V2 0( 0.0%) LAMP-PHL50V3 0( 0.0%) LAMP-PHL50V4 0( 0.0%) LAMP-PHL50VA 90( 7.6%) Total Lumens(%) Material 0( 0.0%) ZERO0000 0( 0.0%) QUARTZ01 90( 7.6%) AL402G40 90( 7.6%) Total UNACCOUNTED LUMENS: reached interreflection limit: 7.80 ( 0.7%) fell below continuation minimum: 0.00 ( 0.0%) could not find refractor exit facet: 0.00 ( 0.0%) reached try limit for scatter bounce: 0.00 ( 0.0%) lost elsewhere(i.e. outside distrib): 100.22 ( 8.4%) Number of Lamps: 1 Lumens per Lamp: 1200 Ballast Factor: 1.00 Ballast-Lamp Photometric Factor: 1.00 Luminaire Width: 0.1300 Length: 0.1300 Height: 0.0600 Photometry Type: C Units: feet Candela Distribution: 0.0 22.5 45.0 67.5 90.0 0.0 2789 2789 2789 2789 2789 2.0 2727 2734 2749 2733 2733 4.0 2646 2645 2659 2700 2701 6.0 2567 2582 2620 2659 2707 8.0 2499 2543 2597 2658 2639 10.0 2353 2381 2488 2521 2550 12.0 2118 2159 2253 2301 2311 14.0 1886 1901 2026 2062 2091 16.0 1544 1547 1666 1663 1700 18.0 1152 1142 1218 1221 1242 20.0 602 606 632 634 629 25.0 96 97 99 99 95 30.0 62 63 64 64 65 35.0 77 80 83 84 88 40.0 98 101 103 103 103 45.0 112 113 115 114 112 50.0 117 118 119 116 113 55.0 68 68 69 68 66 60.0 6 6 6 6 6 65.0 0 0 0 0 0 70.0 0 0 0 0 0 75.0 0 0 0 0 0 80.0 0 0 0 0 0 85.0 0 0 0 0 0 90.0 0 0 0 0 0 Zonal Lumens Cone Between Lumens 0.0 0.0- 1.0 3 2.0 1.0- 3.0 21 4.0 3.0- 5.0 41 6.0 5.0- 7.0 60 8.0 7.0- 9.0 79 10.0 9.0- 11.0 94 12.0 11.0- 13.0 102 14.0 13.0- 15.0 106 16.0 15.0- 17.0 98 18.0 17.0- 19.0 81 20.0 19.0- 22.5 85 25.0 22.5- 27.5 23 30.0 27.5- 32.5 17 35.0 32.5- 37.5 26 40.0 37.5- 42.5 36 45.0 42.5- 47.5 44 50.0 47.5- 52.5 49 55.0 52.5- 57.5 30 60.0 57.5- 62.5 3 65.0 62.5- 67.5 0 70.0 67.5- 72.5 0 75.0 72.5- 77.5 0 80.0 77.5- 82.5 0 85.0 82.5- 87.5 0 90.0 87.5- 92.5 0 Zonal Lumen Summary Zone Lumens %Lamp %Fixt 0- 30 800 66.6 80.2 0- 40 852 71.0 85.5 0- 60 996 83.0 99.9 0- 90 997 83.1 100.0 90-120 0 0.0 0.0 90-130 0 0.0 0.0 90-150 0 0.0 0.0 90-180 0 0.0 0.0 0-180 997 83.1 100.0 Total Luminaire Optical Efficiency = 83.1% Luminaire Spacing Criterion: 0 deg 90 deg 0.57 0.59 Average Luminaire Brightness (cd/sqmeter): Ang: 0 90 0 1775878 1775878 45 68895 69246 55 45274 44116 65 0 0 75 0 0 85 0 0 Coefficients of Utilization - Zonal Cavity Method: pfc = 0.20 pcc .8 .7 .5 pw .7 .5 .3 .1 .7 .5 .3 .1 .5 .3 .1 RCR 0 100 100 100 100 97 97 97 97 93 93 93 1 96 94 92 90 94 92 90 89 89 87 86 2 92 88 85 83 90 87 84 82 84 82 80 3 88 83 80 77 86 82 79 76 80 77 75 4 84 79 75 72 83 78 74 71 76 73 71 5 81 75 71 68 80 74 71 68 73 70 67 6 78 72 68 65 77 71 67 64 70 66 64 7 75 69 65 62 74 68 64 61 67 64 61 8 73 66 62 59 72 66 62 59 65 61 59 9 70 64 60 57 70 63 59 57 63 59 57 10 68 62 58 55 67 61 57 55 61 57 55 pcc .3 .1 0 pw .5 .3 .1 .5 .3 .1 0 RCR 0 89 89 89 85 85 85 84 1 85 84 83 83 82 81 80 2 82 80 78 79 78 77 75 3 78 76 74 76 74 73 71 4 75 72 70 73 71 69 68 5 72 69 66 70 68 66 65 6 69 66 63 68 65 63 62 7 66 63 61 65 63 61 60 8 64 61 59 63 60 58 57 9 62 59 56 61 58 56 55 10 60 57 55 59 57 54 54