oxihuman-export 0.1.2

Export pipeline for OxiHuman — glTF, COLLADA, STL, and streaming formats
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

// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
// SPDX-License-Identifier: Apache-2.0
#![allow(dead_code)]

//! XYZ with intensity export.

#[allow(dead_code)]
pub struct XyzIntPoint {
    pub x: f32,
    pub y: f32,
    pub z: f32,
    pub intensity: f32,
}

#[allow(dead_code)]
pub struct XyzIntExport {
    pub points: Vec<XyzIntPoint>,
}

#[allow(dead_code)]
pub fn new_xyz_int_export() -> XyzIntExport {
    XyzIntExport { points: Vec::new() }
}

#[allow(dead_code)]
pub fn xyzint_add_point(exp: &mut XyzIntExport, x: f32, y: f32, z: f32, intensity: f32) {
    exp.points.push(XyzIntPoint { x, y, z, intensity });
}

#[allow(dead_code)]
pub fn xyzint_point_count(exp: &XyzIntExport) -> usize {
    exp.points.len()
}

#[allow(dead_code)]
pub fn xyzint_max_intensity(exp: &XyzIntExport) -> f32 {
    exp.points.iter().map(|p| p.intensity).fold(0.0f32, f32::max)
}

#[allow(dead_code)]
pub fn xyzint_to_string(exp: &XyzIntExport) -> String {
    let mut out = String::new();
    for p in &exp.points {
        out.push_str(&format!("{} {} {} {}\n", p.x, p.y, p.z, p.intensity));
    }
    out
}

#[allow(dead_code)]
pub fn xyzint_normalize_intensity(exp: &mut XyzIntExport) {
    let max = xyzint_max_intensity(exp);
    if max < 1e-10 { return; }
    for p in &mut exp.points {
        p.intensity /= max;
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_new_empty() {
        assert_eq!(xyzint_point_count(&new_xyz_int_export()), 0);
    }

    #[test]
    fn test_add_point() {
        let mut exp = new_xyz_int_export();
        xyzint_add_point(&mut exp, 1.0, 0.0, 0.0, 0.8);
        assert_eq!(xyzint_point_count(&exp), 1);
    }

    #[test]
    fn test_max_intensity() {
        let mut exp = new_xyz_int_export();
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 0.3);
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 0.9);
        assert!((xyzint_max_intensity(&exp) - 0.9).abs() < 1e-5);
    }

    #[test]
    fn test_to_string_contains_data() {
        let mut exp = new_xyz_int_export();
        xyzint_add_point(&mut exp, 1.5, 0.0, 0.0, 0.5);
        let s = xyzint_to_string(&exp);
        assert!(s.contains("1.5"));
        assert!(s.contains("0.5"));
    }

    #[test]
    fn test_normalize_intensity() {
        let mut exp = new_xyz_int_export();
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 2.0);
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 4.0);
        xyzint_normalize_intensity(&mut exp);
        assert!((xyzint_max_intensity(&exp) - 1.0).abs() < 1e-5);
    }

    #[test]
    fn test_normalize_empty_no_crash() {
        let mut exp = new_xyz_int_export();
        xyzint_normalize_intensity(&mut exp);
        assert_eq!(xyzint_point_count(&exp), 0);
    }

    #[test]
    fn test_max_intensity_empty() {
        let exp = new_xyz_int_export();
        assert_eq!(xyzint_max_intensity(&exp), 0.0);
    }

    #[test]
    fn test_normalize_min_also_scales() {
        let mut exp = new_xyz_int_export();
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 2.0);
        xyzint_add_point(&mut exp, 0.0, 0.0, 0.0, 4.0);
        xyzint_normalize_intensity(&mut exp);
        assert!((exp.points[0].intensity - 0.5).abs() < 1e-5);
    }

    #[test]
    fn test_multiple_points() {
        let mut exp = new_xyz_int_export();
        for i in 0..10 {
            xyzint_add_point(&mut exp, i as f32, 0.0, 0.0, i as f32 * 0.1);
        }
        assert_eq!(xyzint_point_count(&exp), 10);
    }
}