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does not build, mostly ported concentric_finder

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This commit is contained in:
Henry Schimke
2023-03-11 19:06:55 -06:00
parent 520764e320
commit 80c5e57632
10 changed files with 785 additions and 35 deletions
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19
src/common/cpp_essentials/regression_line.rs
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@@ -1,5 +1,5 @@
use crate::common::Result;
use crate::Point;
use crate::{Point, point};
pub trait RegressionLine {
// points: Vec<Point>,
@@ -11,8 +11,18 @@ pub trait RegressionLine {
// PointF _directionInward;
// PointF::value_t a = NAN, b = NAN, c = NAN;
// fn intersect<T: RegressionLine, T2: RegressionLine>(&self, l1: &T, l2: &T2)
// -> Point;
fn intersect<T: RegressionLine, T2: RegressionLine>( l1: &T, l2: &T2)
-> Option<Point>{
if !(l1.isValid() && l2.isValid()) {
return None;
}
let d = l1.a() * l2.b() - l1.b() * l2.a();
let x = (l1.c() * l2.b() - l1.b() * l2.c()) / d;
let y = (l1.a() * l2.c() - l1.c() * l2.a()) / d;
Some(point(x, y))
}
// fn evaluate_begin_end(&self, begin: Point, end: Point) -> bool;// {
// {
@@ -131,4 +141,7 @@ pub trait RegressionLine {
// // due to aliasing we get bad extrapolations if the line is short and too close to vertical/horizontal
// return steps > 2 || len > 50;
// }
fn a(&self) -> f32;
fn b(&self) -> f32;
fn c(&self) -> f32;
}