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# SCCSid "@(#)examp1.mgf 1.1 7/22/94 LBL" |
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# This is a hand-built example |
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# describing the geometry and materials |
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# of a Ledalite "APEX TYPE #2" fixture, |
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# which is a hanging direct/indirect fluorescent |
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# luminaire approx. 35" by 10" by 3.5" |
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# Fixture situated so dead center is at the origin |
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# |
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# Greg Ward, LBL, July 1994 |
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|
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# First, we describe the materials... |
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|
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# Assume cool white lamps |
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c cool_white = |
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cxy .373 .385 |
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m lamp_emitter = |
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sides 1 |
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c cool_white |
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ed 44700 |
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rd .6 |
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|
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# Exterior is matte white |
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m matte_white = |
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sides 1 |
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c |
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rd .8 |
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|
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# Interior is unfinished and polished (Alzak) aluminum |
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m unfinished_aluminum = |
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sides 1 |
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c |
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rs .75 .08 |
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m polished_aluminum = |
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sides 1 |
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c |
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rs .9 0 |
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|
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# All units are inches in this file |
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xf -s .0254 |
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|
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# Next, we put out the vertices... |
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|
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# The following vertices go with the outer casing |
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v vc1+ = |
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p 24 3.0625 -1.75 |
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n 0 0 -2 |
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v vc2+ = |
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p 24 3.46294 -1.7095 |
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n 0 0.40044 -1.9595 |
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v vc3+ = |
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p 24 3.84717 -1.58965 |
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n 0 0.78467 -1.83965 |
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v vc4+ = |
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p 24 4.19961 -1.39529 |
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n 0 1.13711 -1.64529 |
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v vc5+ = |
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p 24 4.50601 -1.1343 |
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n 0 1.44351 -1.3843 |
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v vc6+ = |
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p 24 4.75394 -0.817248 |
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n 0 1.69144 -1.06725 |
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v vc7+ = |
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p 24 4.93338 -0.456974 |
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n 0 1.87088 -0.706974 |
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v vc8+ = |
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p 24 5.03705 -0.0680697 |
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n 0 1.97455 -0.31807 |
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v vc9+ = |
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p 24 5.06075 0.333716 |
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n 0 1.99825 0.083716 |
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v vc10+ = |
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p 24 5.00352 0.732112 |
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n 0 1.94102 0.482112 |
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v vc11+ = |
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p 24 4.86769 1.11098 |
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n 0 1.80519 0.86098 |
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v vc12+ = |
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p 24 4.65875 1.45498 |
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n 0 1.59625 1.20498 |
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v vc13+ = |
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p 24 4.38516 1.75019 |
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n 0 1.32266 1.50019 |
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v vc1- = |
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p -24 3.0625 -1.75 |
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n 0 0 -2 |
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v vc2- = |
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p -24 3.46294 -1.7095 |
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n 0 0.40044 -1.9595 |
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v vc3- = |
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p -24 3.84717 -1.58965 |
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n 0 0.78467 -1.83965 |
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v vc4- = |
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p -24 4.19961 -1.39529 |
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n 0 1.13711 -1.64529 |
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v vc5- = |
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p -24 4.50601 -1.1343 |
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n 0 1.44351 -1.3843 |
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v vc6- = |
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p -24 4.75394 -0.817248 |
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n 0 1.69144 -1.06725 |
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v vc7- = |
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p -24 4.93338 -0.456974 |
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n 0 1.87088 -0.706974 |
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v vc8- = |
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p -24 5.03705 -0.0680697 |
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n 0 1.97455 -0.31807 |
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v vc9- = |
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p -24 5.06075 0.333716 |
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n 0 1.99825 0.083716 |
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v vc10- = |
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p -24 5.00352 0.732112 |
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n 0 1.94102 0.482112 |
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v vc11- = |
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p -24 4.86769 1.11098 |
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n 0 1.80519 0.86098 |
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v vc12- = |
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p -24 4.65875 1.45498 |
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n 0 1.59625 1.20498 |
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v vc13- = |
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p -24 4.38516 1.75019 |
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n 0 1.32266 1.50019 |
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v vc-top = |
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p -24 0 1.75 |
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v vc-bot = |
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p -24 0 -1.75 |
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v vc+top = |
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p 24 0 1.75 |
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v vc+bot = |
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p 24 0 -1.75 |
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|
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# The following vertices go with the upper reflector |
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v vur-top = vc13- |
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v vur-corner = |
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p -24 4.25 .5833 |
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v vur-mid = |
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p -24 2.5625 .5833 |
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v vur+top = vc13+ |
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v vur+corner = |
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p 24 4.25 .5833 |
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v vur+mid = |
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p 24 2.5625 .5833 |
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|
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# The following vertices go with the lower reflector |
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v vlr1+ = |
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p 24 2.5625 0.5833 |
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n 0 -1 -0.235194 |
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v vlr2+ = |
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p 24 2.66998 0.11664 |
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n 0 -1 -0.225724 |
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v vlr3+ = |
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p 24 2.77332 -0.35002 |
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n 0 -1 -0.217314 |
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v vlr4+ = |
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p 24 2.87294 -0.81668 |
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n 0 -1 -0.209778 |
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v vlr5+ = |
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p 24 2.96922 -1.28334 |
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n 0 -1 -0.202976 |
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v vlr6+ = |
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p 24 3.0625 -1.75 |
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n 0 -1 -0.196795 |
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v vlr1- = |
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p -24 2.5625 0.5833 |
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n 0 -1 -0.235194 |
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v vlr2- = |
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p -24 2.66998 0.11664 |
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n 0 -1 -0.225724 |
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v vlr3- = |
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p -24 2.77332 -0.35002 |
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n 0 -1 -0.217314 |
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v vlr4- = |
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p -24 2.87294 -0.81668 |
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n 0 -1 -0.209778 |
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v vlr5- = |
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p -24 2.96922 -1.28334 |
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n 0 -1 -0.202976 |
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v vlr6- = |
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p -24 3.0625 -1.75 |
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n 0 -1 -0.196795 |
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|
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# The following vertices go with the reflector vanes |
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v vvr_xyz = |
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p -.0625 -3.1 -1.7 |
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v vvr_xyZ = |
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p -.0825 -2.9 -.533 |
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v vvr_xYz = |
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p -.0625 3.1 -1.7 |
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v vvr_xYZ = |
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p -.0825 2.9 -.533 |
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v vvr_Xyz = |
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p .0625 -3.1 -1.7 |
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v vvr_XyZ = |
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p .0825 -2.9 -.533 |
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v vvr_XYz = |
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p .0625 3.1 -1.7 |
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v vvr_XYZ = |
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p .0825 2.9 -.533 |
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|
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# Finally, we get to the geometry... |
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|
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# Overall geometry is symmetrical about the 0 degree (XZ) plane |
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xf -a 2 -my |
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|
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o lamp |
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m lamp_emitter |
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v v1 = |
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p -24 1 1.25 |
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v v2 = |
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p 24 1 1.25 |
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cyl v1 .5 v2 |
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o |
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|
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o casing |
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m matte_white |
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o outer |
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f vc1- vc2- vc2+ vc1+ |
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f vc2- vc3- vc3+ vc2+ |
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f vc3- vc4- vc4+ vc3+ |
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f vc4- vc5- vc5+ vc4+ |
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f vc5- vc6- vc6+ vc5+ |
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f vc6- vc7- vc7+ vc6+ |
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f vc7- vc8- vc8+ vc7+ |
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f vc8- vc9- vc9+ vc8+ |
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f vc9- vc10- vc10+ vc9+ |
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f vc10- vc11- vc11+ vc10+ |
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f vc11- vc12- vc12+ vc11+ |
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f vc12- vc13- vc13+ vc12+ |
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o |
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o end- |
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prism vc1- vc2- vc3- vc4- vc5- vc6- vc7- vc8- vc9- vc10- vc11- vc12- vc13- \ |
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vc-top vc-bot .125 |
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o |
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o end+ |
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prism vc13+ vc12+ vc11+ vc10+ vc9+ vc8+ vc7+ vc6+ vc5+ vc4+ vc3+ vc2+ vc1+ \ |
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vc+bot vc+top .125 |
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o |
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o |
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|
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o reflector |
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o upper |
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m unfinished_aluminum |
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f vur-mid vur+mid vur+corner vur-corner |
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f vur-corner vur+corner vur+top vur-top |
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o |
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o lower |
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m polished_aluminum |
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f vlr1- vlr2- vlr2+ vlr1+ |
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f vlr2- vlr3- vlr3+ vlr2+ |
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f vlr3- vlr4- vlr4+ vlr3+ |
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f vlr4- vlr5- vlr5+ vlr4+ |
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f vlr5- vlr6- vlr6+ vlr5+ |
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o |
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o |
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|
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xf |
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|
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# The following reflector vanes repeat on 3" centers |
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xf -t -21 0 0 -a 15 -t 3 0 0 |
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|
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o reflector.vane |
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m polished_aluminum |
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f vvr_xyz vvr_xYz vvr_XYz vvr_Xyz |
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f vvr_XyZ vvr_XYZ vvr_xYZ vvr_xyZ |
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f vvr_xyz vvr_xyZ vvr_xYZ vvr_xYz |
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f vvr_XYz vvr_XYZ vvr_XyZ vvr_Xyz |
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o |
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|
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xf |
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|
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xf |
