Method GlyphBoxes

plotter/field.go:200–216

GlyphBoxes implements the GlyphBoxes method of the plot.GlyphBoxer interface.

(plt *plot.Plot)

// GlyphBoxes implements the GlyphBoxes method
// of the plot.GlyphBoxer interface.
func (f *Field) GlyphBoxes(plt *plot.Plot) []plot.GlyphBox {
	c, r := f.FieldXY.Dims()
	b := make([]plot.GlyphBox, 0, r*c)
	for i := range c {
		for j := range r {
			b = append(b, plot.GlyphBox{
				X: plt.X.Norm(f.FieldXY.X(i)),
				Y: plt.Y.Norm(f.FieldXY.Y(j)),
				Rectangle: vg.Rectangle{
					Min: vg.Point{X: -5, Y: -5},
					Max: vg.Point{X: +5, Y: +5},
				},
			})
		}
	}
	return b
}