eulumdat-goniosim 0.7.0

CPU Monte Carlo photon tracer for virtual goniophotometry
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165

//! Material catalog with common materials and their datasheet values.
//!
//! All values based on typical manufacturer datasheets.

use crate::material::MaterialParams;

/// Return all catalog materials.
pub fn material_catalog() -> Vec<MaterialParams> {
    vec![
        clear_pmma_3mm(),
        satin_pmma_3mm(),
        opal_light_pmma_3mm(),
        opal_pmma_3mm(),
        clear_glass_4mm(),
        satin_glass_4mm(),
        clear_polycarbonate_3mm(),
        opal_polycarbonate_3mm(),
        anodized_aluminum(),
        mirror_aluminum(),
        white_paint(),
        matte_black(),
    ]
}

// ---- Transparent materials (PMMA) ----

pub fn clear_pmma_3mm() -> MaterialParams {
    MaterialParams {
        name: "PMMA klar 3mm".into(),
        reflectance_pct: 4.0, // Fresnel at normal incidence for IOR 1.49
        ior: 1.49,
        transmittance_pct: 92.0,
        thickness_mm: 3.0,
        diffusion_pct: 0.0,
    }
}

pub fn satin_pmma_3mm() -> MaterialParams {
    MaterialParams {
        name: "PMMA satin 3mm".into(),
        reflectance_pct: 4.0,
        ior: 1.49,
        transmittance_pct: 85.0,
        thickness_mm: 3.0,
        diffusion_pct: 25.0,
    }
}

pub fn opal_light_pmma_3mm() -> MaterialParams {
    MaterialParams {
        name: "PMMA opal leicht 3mm".into(),
        reflectance_pct: 4.0,
        ior: 1.49,
        transmittance_pct: 75.0,
        thickness_mm: 3.0,
        diffusion_pct: 60.0,
    }
}

pub fn opal_pmma_3mm() -> MaterialParams {
    MaterialParams {
        name: "PMMA opal 3mm".into(),
        reflectance_pct: 4.0,
        ior: 1.49,
        transmittance_pct: 50.0,
        thickness_mm: 3.0,
        diffusion_pct: 95.0,
    }
}

// ---- Transparent materials (Glass) ----

pub fn clear_glass_4mm() -> MaterialParams {
    MaterialParams {
        name: "Glas klar 4mm".into(),
        reflectance_pct: 4.0,
        ior: 1.52,
        transmittance_pct: 90.0,
        thickness_mm: 4.0,
        diffusion_pct: 0.0,
    }
}

pub fn satin_glass_4mm() -> MaterialParams {
    MaterialParams {
        name: "Glas satiniert 4mm".into(),
        reflectance_pct: 4.0,
        ior: 1.52,
        transmittance_pct: 75.0,
        thickness_mm: 4.0,
        diffusion_pct: 30.0,
    }
}

// ---- Transparent materials (Polycarbonate) ----

pub fn clear_polycarbonate_3mm() -> MaterialParams {
    MaterialParams {
        name: "Polycarbonat klar 3mm".into(),
        reflectance_pct: 5.0, // Fresnel for IOR 1.585
        ior: 1.585,
        transmittance_pct: 88.0,
        thickness_mm: 3.0,
        diffusion_pct: 0.0,
    }
}

pub fn opal_polycarbonate_3mm() -> MaterialParams {
    MaterialParams {
        name: "Polycarbonat opal 3mm".into(),
        reflectance_pct: 5.0,
        ior: 1.585,
        transmittance_pct: 55.0,
        thickness_mm: 3.0,
        diffusion_pct: 90.0,
    }
}

// ---- Opaque materials (metals) ----

pub fn anodized_aluminum() -> MaterialParams {
    MaterialParams {
        name: "Aluminium eloxiert".into(),
        reflectance_pct: 80.0,
        ior: 0.0,
        transmittance_pct: 0.0,
        thickness_mm: 0.0,
        diffusion_pct: 70.0,
    }
}

pub fn mirror_aluminum() -> MaterialParams {
    MaterialParams {
        name: "Aluminium Spiegel".into(),
        reflectance_pct: 95.0,
        ior: 0.0,
        transmittance_pct: 0.0,
        thickness_mm: 0.0,
        diffusion_pct: 0.0,
    }
}

// ---- Opaque materials (paint) ----

pub fn white_paint() -> MaterialParams {
    MaterialParams {
        name: "Weisslack".into(),
        reflectance_pct: 85.0,
        ior: 0.0,
        transmittance_pct: 0.0,
        thickness_mm: 0.0,
        diffusion_pct: 100.0,
    }
}

pub fn matte_black() -> MaterialParams {
    MaterialParams {
        name: "Schwarz matt".into(),
        reflectance_pct: 5.0,
        ior: 0.0,
        transmittance_pct: 0.0,
        thickness_mm: 0.0,
        diffusion_pct: 100.0,
    }
}