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root/radiance/ray/doc/notes/materials
Revision: 1.1
Committed: Sat Mar 15 17:32:55 2003 UTC (21 years, 1 month ago) by greg
Branch: MAIN
CVS Tags: rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R5, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD
Log Message:
Added and updated documentation for 3.5 release

File Contents

# Content
1 Materials and their reasonable values:
2
3 Material:
4 parameter 1
5 (open:closed]
6 interpretation
7
8 parameter 2
9 [closed:approximate>
10 interpretation
11
12 Light:
13 color
14 (0:inf),(0:inf),(0:inf)
15 output brightness
16
17 Glow:
18 color
19 (0:inf),(0:inf),(0:inf)
20 output brightness
21
22 maximum radius
23 [0:inf)
24 no shadows - always shadows
25
26 Spotlight:
27 color
28 (0:inf),(0:inf),(0:inf)
29 output brightness
30
31 maximum angle
32 [0:360]
33 no shadows - always shadows
34
35 direction
36 any
37 aimed orientation
38
39 Mirror:
40 color
41 [0:1],[0:1],[0:1]
42 black - silver
43
44 Plastic:
45 color
46 [0:1],[0:1],[0:1]
47 black - white
48
49 specularity
50 [0:.07>
51 matte - satin
52
53 roughness
54 [0:.2>
55 polished - low gloss
56
57 Metal:
58 color
59 [0:1],[0:1],[0:1]
60 0-100% reflectance
61
62 specularity
63 <.5:1]
64 dirty - clean
65
66 roughness
67 [0:.5>
68 polished - roughened
69
70 Trans:
71 color
72 [0:1],[0:1],[0:1]
73 black - white
74
75 specularity
76 [0:.07>
77 matte - satin
78
79 roughness
80 [0:.2>
81 polished - low gloss
82
83 transmission
84 [0:1]
85 opaque - transparent
86
87 transmitted specularity
88 [0:1]
89 diffuse - clear
90
91 Dielectric:
92 transmission
93 [0:1],[0:1],[0:1]
94 black - transparent
95
96 refractive index
97 (1:2>
98 vacuum - diamond
99
100 Hartmann's constant
101 <-20:30>
102 negative dispersion - positive dispersion
103
104 Interface:
105 interior transmission
106 [0:1],[0:1],[0:1]
107 black - transparent
108
109 interior refractive index
110 (1:2>
111 vacuum - diamond
112
113 exterior transmission
114 [0:1],[0:1],[0:1]
115 black - transparent
116
117 exterior refractive index
118 (1:2>
119 vacuum - diamond
120
121 Glass:
122 transmission
123 [0:1],[0:1],[0:1]
124 black - transparent
125
126 Mist:
127 extinction (interaction density in fraction/distance)
128 [0:inf),[0:inf),[0:inf)
129 transparent - solid
130
131 albedo (particle reflectivity)
132 [0:1],[0:1],[0:1]
133 black - white
134
135 Heyney-Greeenstein scattering parameter
136 [0:1)
137 isotropic - pure forward scattering