Method y

plotter/image.go:122–127

(r int)

}

func (img *Image) y(r int) float64 {
	if r >= img.rows || r < 0 {
		panic("plotter/image: illegal range")
	}
	return img.ymin + float64(r)*img.dy
}

// uniform is a cropped uniform image.
type uniform struct {