plot

func Exp ¶

func Exp(x, factor float64) float64

Exp is an exponential color scaling function.

func Importance ¶

func Importance(ren *render.Render, frac *fractal.Fractal)

TODO(_): Rewrite importance mapping.

func Lin ¶

func Lin(x, factor float64) float64

Lin is a linear color scaling function.

func Log ¶

func Log(x, factor float64) float64

Log is an logaritmic color scaling function.

func Plot ¶

func Plot(ren *render.Render, frac *fractal.Fractal)

Plot visualizes the histograms values as an image. It equalizes the histograms with a color scaling function to emphazise hidden features.

func Sqrt ¶

func Sqrt(x, factor float64) float64

Sqrt is a square root color scaling function.

func Value ¶

func Value(f func(float64, float64) float64, v, max, factor, exposure float64) float64