Method draw_arrow

src/canvas.rs:242–258

Draws arrow (2D only) # Input `xi`, `yi` -- start point `xf`, `yf` -- end point Use [`set_arrow_style`](Self::set_arrow_style) and [`set_arrow_scale`](Self::set_arrow_scale) to configure.

(&mut self, xi: T, yi: T, xf: T, yf: T)

    ///
    /// Use [`set_arrow_style`](Self::set_arrow_style) and [`set_arrow_scale`](Self::set_arrow_scale) to configure.
    pub fn draw_arrow<T>(&mut self, xi: T, yi: T, xf: T, yf: T)
    where
        T: std::fmt::Display + Num,
    {
        let opt_shared = self.options_shared();
        let opt_arrow = self.options_arrow();
        write!(
            &mut self.buffer,
            "p=pat.FancyArrowPatch(({},{}),({},{})\
                    ,shrinkA=0,shrinkB=0\
                    ,path_effects=[pff.Stroke(joinstyle='miter')]\
                    {}{})\n\
             plt.gca().add_patch(p)\n",
            xi, yi, xf, yf, &opt_shared, &&opt_arrow,
        )
        .unwrap();
    }

    /// Draws circle (2D only)
    ///