Method Z

plotter/volcano_example_test.go:23–23

(c, r int)

func (g deciGrid) Dims() (c, r int)   { r, c = g.Matrix.Dims(); return c, r }
func (g deciGrid) Z(c, r int) float64 { return g.Matrix.At(r, c) }
func (g deciGrid) X(c int) float64 {
	_, n := g.Matrix.Dims()
	if c < 0 || c >= n {