Draw geom

        Parameters
        ----------
        layout : Layout
            Layout object created when the plot is getting
            built
        coord : coord
            Type of coordinate axes

def draw(self, layout, coord):
        """
        Draw geom

        Parameters
        ----------
        layout : Layout
            Layout object created when the plot is getting
            built
        coord : coord
            Type of coordinate axes
        """
        params = copy(self.geom.params)
        params.update(self.stat.params)
        params['zorder'] = self.zorder
        self.data = self.geom.handle_na(self.data)
        # At this point each layer must have the data
        # that is created by the plot build process
        self.geom.draw_layer(self.data, layout, coord, **params)