# SCCSid "@(#)examp1.mgf 1.1 7/22/94 LBL"
# This is a hand-built example
# describing the geometry and materials
# of a Ledalite "APEX TYPE #2" fixture,
# which is a hanging direct/indirect fluorescent
# luminaire approx. 35" by 10" by 3.5"
# Fixture situated so dead center is at the origin
#
# Greg Ward, LBL, July 1994

# First, we describe the materials...

# Assume cool white lamps
c cool_white =
	cxy .373 .385
m lamp_emitter =
	sides 1
	c cool_white
	ed 44700
	rd .6

# Exterior is matte white
m matte_white =
	sides 1
	c
	rd .8

# Interior is unfinished and polished (Alzak) aluminum
m unfinished_aluminum =
	sides 1
	c
	rs .75 .08
m polished_aluminum =
	sides 1
	c
	rs .9 0

# All units are inches in this file
xf -s .0254

# Next, we put out the vertices...

# The following vertices go with the outer casing
v    vc1+ =
	p   24 3.0625 -1.75
	n 0           0       -2
v    vc2+ =
	p   24 3.46294 -1.7095
	n 0     0.40044  -1.9595
v    vc3+ =
	p   24 3.84717 -1.58965
	n 0     0.78467 -1.83965
v    vc4+ =
	p   24 4.19961 -1.39529
	n 0     1.13711 -1.64529
v    vc5+ =
	p   24 4.50601 -1.1343
	n 0     1.44351  -1.3843
v    vc6+ =
	p   24 4.75394 -0.817248
	n 0     1.69144 -1.06725
v    vc7+ =
	p   24 4.93338 -0.456974
	n 0     1.87088 -0.706974
v    vc8+ =
	p   24 5.03705 -0.0680697
	n 0     1.97455 -0.31807
v    vc9+ =
	p   24 5.06075 0.333716
	n 0     1.99825 0.083716
v   vc10+ =
	p   24 5.00352 0.732112
	n 0     1.94102 0.482112
v   vc11+ =
	p   24 4.86769 1.11098
	n 0     1.80519  0.86098
v   vc12+ =
	p   24 4.65875 1.45498
	n 0     1.59625  1.20498
v   vc13+ =
	p   24 4.38516 1.75019
	n 0     1.32266  1.50019
v    vc1- =
	p  -24 3.0625 -1.75
	n 0           0       -2
v    vc2- =
	p  -24 3.46294 -1.7095
	n 0     0.40044  -1.9595
v    vc3- =
	p  -24 3.84717 -1.58965
	n 0     0.78467 -1.83965
v    vc4- =
	p  -24 4.19961 -1.39529
	n 0     1.13711 -1.64529
v    vc5- =
	p  -24 4.50601 -1.1343
	n 0     1.44351  -1.3843
v    vc6- =
	p  -24 4.75394 -0.817248
	n 0     1.69144 -1.06725
v    vc7- =
	p  -24 4.93338 -0.456974
	n 0     1.87088 -0.706974
v    vc8- =
	p  -24 5.03705 -0.0680697
	n 0     1.97455 -0.31807
v    vc9- =
	p  -24 5.06075 0.333716
	n 0     1.99825 0.083716
v   vc10- =
	p  -24 5.00352 0.732112
	n 0     1.94102 0.482112
v   vc11- =
	p  -24 4.86769 1.11098
	n 0     1.80519  0.86098
v   vc12- =
	p  -24 4.65875 1.45498
	n 0     1.59625  1.20498
v   vc13- =
	p  -24 4.38516 1.75019
	n 0     1.32266  1.50019
v vc-top =
	p -24 0 1.75
v vc-bot =
	p -24 0 -1.75
v vc+top =
	p 24 0 1.75
v vc+bot =
	p 24 0 -1.75

# The following vertices go with the upper reflector
v vur-top = vc13-
v vur-corner =
	p -24 4.25 .5833
v vur-mid =
	p -24 2.5625 .5833
v vur+top = vc13+
v vur+corner =
	p 24 4.25 .5833
v vur+mid =
	p 24 2.5625 .5833

# The following vertices go with the lower reflector
v vlr1+ =
	p 24 2.5625 0.5833
	n 0    -1 -0.235194
v vlr2+ =
	p 24 2.66998 0.11664
	n 0    -1 -0.225724
v vlr3+ =
	p 24 2.77332 -0.35002
	n 0    -1 -0.217314
v vlr4+ =
	p 24 2.87294 -0.81668
	n 0    -1 -0.209778
v vlr5+ =
	p 24 2.96922 -1.28334
	n 0    -1 -0.202976
v vlr6+ =
	p 24 3.0625 -1.75
	n 0    -1 -0.196795
v vlr1- =
	p -24 2.5625 0.5833
	n 0    -1 -0.235194
v vlr2- =
	p -24 2.66998 0.11664
	n 0    -1 -0.225724
v vlr3- =
	p -24 2.77332 -0.35002
	n 0    -1 -0.217314
v vlr4- =
	p -24 2.87294 -0.81668
	n 0    -1 -0.209778
v vlr5- =
	p -24 2.96922 -1.28334
	n 0    -1 -0.202976
v vlr6- =
	p -24 3.0625 -1.75
	n 0    -1 -0.196795

# The following vertices go with the reflector vanes
v vvr_xyz =
	p -.0625 -3.1 -1.7
v vvr_xyZ =
	p -.0825 -2.9 -.533
v vvr_xYz =
	p -.0625 3.1 -1.7
v vvr_xYZ =
	p -.0825 2.9 -.533
v vvr_Xyz =
	p .0625 -3.1 -1.7
v vvr_XyZ =
	p .0825 -2.9 -.533
v vvr_XYz =
	p .0625 3.1 -1.7
v vvr_XYZ =
	p .0825 2.9 -.533

# Finally, we get to the geometry...

# Overall geometry is symmetrical about the 0 degree (XZ) plane
xf -a 2 -my

o lamp
m lamp_emitter
v v1 =
	p -24 1 1.25
v v2 =
	p 24 1 1.25
cyl v1 .5 v2
o

o casing
m matte_white
o outer
f vc1- vc2- vc2+ vc1+
f vc2- vc3- vc3+ vc2+
f vc3- vc4- vc4+ vc3+
f vc4- vc5- vc5+ vc4+
f vc5- vc6- vc6+ vc5+
f vc6- vc7- vc7+ vc6+
f vc7- vc8- vc8+ vc7+
f vc8- vc9- vc9+ vc8+
f vc9- vc10- vc10+ vc9+
f vc10- vc11- vc11+ vc10+
f vc11- vc12- vc12+ vc11+
f vc12- vc13- vc13+ vc12+
o
o end-
prism vc1- vc2- vc3- vc4- vc5- vc6- vc7- vc8- vc9- vc10- vc11- vc12- vc13- \
	vc-top vc-bot .125
o
o end+
prism vc13+ vc12+ vc11+ vc10+ vc9+ vc8+ vc7+ vc6+ vc5+ vc4+ vc3+ vc2+ vc1+ \
	vc+bot vc+top .125
o
o

o reflector
o upper
m unfinished_aluminum
f vur-mid vur+mid vur+corner vur-corner
f vur-corner vur+corner vur+top vur-top
o
o lower
m polished_aluminum
f vlr1- vlr2- vlr2+ vlr1+
f vlr2- vlr3- vlr3+ vlr2+
f vlr3- vlr4- vlr4+ vlr3+
f vlr4- vlr5- vlr5+ vlr4+
f vlr5- vlr6- vlr6+ vlr5+
o
o

xf

# The following reflector vanes repeat on 3" centers
xf -t -21 0 0 -a 15 -t 3 0 0

o reflector.vane
m polished_aluminum
f vvr_xyz vvr_xYz vvr_XYz vvr_Xyz
f vvr_XyZ vvr_XYZ vvr_xYZ vvr_xyZ
f vvr_xyz vvr_xyZ vvr_xYZ vvr_xYz
f vvr_XYz vvr_XYZ vvr_XyZ vvr_Xyz
o

xf

xf