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greg |
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# SCCSid "@(#)examp1.mgf 1.1 7/22/94 LBL"
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greg |
1.1 |
# 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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# First, we describe the materials...
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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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# 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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# 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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# All units are inches in this file
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xf -s .0254
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# Next, we put out the vertices...
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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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# 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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# 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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# 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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# Finally, we get to the geometry...
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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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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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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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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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xf
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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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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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xf
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xf
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