Lambertian (lmbrtn)

key: lmbrtn

type: C(C)*

  1. color: diffuse reflectance

Description

A Lambertian (ideal diffuse) reflector.

BRDF

R / pi

Examples 

 lmbrtn rgb 0.1 0.7 0.2 end end         % a green material
 lmbrtn spctrl 400 0.1 700 0.8 end end  % a red material
 lmbrtn sclr 0.1 end end                % a dark material