Function y_at_x_in_segment

src/plot_state.rs:1037–1052

(points: &[[f64; 2]], seg_idx: usize, x: f64)

fn transformed_series_points(
    series: &crate::Series,
    x_axis_scale: AxisScale,
    y_axis_scale: AxisScale,
    axis_ranges: ([f64; 2], [f64; 2]),
) -> Vec<[f64; 2]> {
    series
        .positions
        .iter()
        .filter_map(|&p| {
            data_point_to_plot_with_transform(
                p,
                x_axis_scale,
                y_axis_scale,
                &series.transform,
                Some(axis_ranges),
            )
        })
        .collect()
}