Method value_from_position

egui_plot/src/axis.rs:518–540

Plot point from screen/ui position.

(&self, pos: Pos2)

    /// Plot point from screen/ui position.
    pub fn value_from_position(&self, pos: Pos2) -> PlotPoint {
        let x = remap(
            pos.x as f64,
            if self.inverted_axis[0] {
                (self.frame.right() as f64)..=(self.frame.left() as f64)
            } else {
                (self.frame.left() as f64)..=(self.frame.right() as f64)
            },
            self.bounds.range_x(),
        );
        let y = remap(
            pos.y as f64,
            // negated y axis by default
            if self.inverted_axis[1] {
                (self.frame.top() as f64)..=(self.frame.bottom() as f64)
            } else {
                (self.frame.bottom() as f64)..=(self.frame.top() as f64)
            },
            self.bounds.range_y(),
        );

        PlotPoint::new(x, y)
    }

    /// Transform a rectangle of plot values to a screen-coordinate rectangle.
    ///