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This commit is contained in:
Ruben van de Ven 2025-07-02 11:53:27 +02:00
parent 7c3968d2dc
commit e8fec78250
1 changed files with 2 additions and 22 deletions
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24
src/trap/filters.rs
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@ -315,29 +315,9 @@ impl Filter for PincushionFilter {
let projected_positions: Vec<laser::Point> = points.points.iter().map(|point| {
let p = point.position;
// formula by Ilya Sinenko: https://hackernoon.com/galvo-scanner-pillow-and-barrel-distortions-correction
// who states: x_angle = atan(x_cord / (sqrt(pow(d,2)+pow(y_cord,2))+e))
// let x = (p[0] / (p[1].abs() + self.k_x )).atan();
// let new_position = [x, p[1]];
// Adapted from https://www.geeks3d.com/20140213/glsl-shader-library-fish-eye-and-dome-and-barrel-distortion-post-processing-filters/2/
// let mut radius = (p[0].powi(2) + p[1].powi(2)).sqrt();
// let new_position = if radius > 0. {
// let theta = p[1].atan2(p[0]);
// let radius_x = radius.powf(self.k_x);
// let radius_y = radius.powf(self.k_y);
// let x = radius_x * theta.cos();
// let y = radius_y * theta.sin();
// [x, y]
// } else {
// p
// };
// Apply Brown-Conrady model of distortion
// Apply Brown-Conrady model of distortion
// https://en.wikipedia.org/wiki/Distortion_(optics)#Software_correction
// calculate radius (though we might be able to get away, just using p[1] and p[0]
// as we calculate axes independently)