Method clear_pick

src/plot_widget.rs:502–506

Clear all pick points from the plot.

(&mut self)

        let mut nearest_point = None;
        for (i, position) in series.positions.iter().enumerate() {
            let distance = (position[1] - y).abs();
            if distance < min_distance {
                min_distance = distance;
                nearest_point = Some(PointId {
                    series_id,
                    point_index: i,
                });
            }