// Plot implements the plot.Plotter interface. func (g *Grid) Plot(c draw.Canvas, plt *plot.Plot) { trX, trY := plt.Transforms(&c) if g.Vertical.Color == nil { goto horiz } for _, tk := range plt.X.Tick.Marker.Ticks(plt.X.Min, plt.X.Max) { if tk.IsMinor() { continue } x := trX(tk.Value) c.StrokeLine2(g.Vertical, x, c.Min.Y, x, c.Min.Y+c.Size().Y) } horiz: if g.Horizontal.Color == nil { return } for _, tk := range plt.Y.Tick.Marker.Ticks(plt.Y.Min, plt.Y.Max) { if tk.IsMinor() { continue } y := trY(tk.Value) c.StrokeLine2(g.Horizontal, c.Min.X, y, c.Min.X+c.Size().X, y) } }