Method path

plotter/contour.go:413–426

(trX, trY func(float64) vg.Length)

}

func (c *contour) path(trX, trY func(float64) vg.Length) vg.Path {
	var pa vg.Path
	p := c.front()
	pa.Move(vg.Point{X: trX(p.X), Y: trY(p.Y)})
	for i := len(c.backward) - 2; i >= 0; i-- {
		p = c.backward[i]
		pa.Line(vg.Point{X: trX(p.X), Y: trY(p.Y)})
	}
	for _, p := range c.forward {
		pa.Line(vg.Point{X: trX(p.X), Y: trY(p.Y)})
	}

	return pa
}

// front returns the first point in the contour.
func (c *contour) front() point { return c.backward[len(c.backward)-1] }