k3d/share/shaders/k3d_ceramictiles.sl:150:  float kd = mix(Kdmortar, Kdtile, intile);
k3d/share/shaders/k3d_ceramictiles.sl:157:  return fkt * basecolor * (Ka * ambient() + kd * diffuse(Nf)) +
k3d/share/shaders/k3d_mysky.sl:12: *    this texture is generally used as a backdrop, it does not take

k3d/share/shaders/k3d_outlet.sl:34:  float ks, kd, roughness;
k3d/share/shaders/k3d_outlet.sl:38:  kd = Kd;
k3d/share/shaders/k3d_outlet.sl:49:      kd = 0;
k3d/share/shaders/k3d_outlet.sl:70:  Ci = Os * ( Ct * (Ka*ambient() + kd*diffuse(Nf)) +
k3d/share/shaders/k3d_puffyclouds.sl:10: *    this texture is generally used as a backdrop, it does not take
k3d/share/shaders/k3d_srfdeformation.sl:18:   by Rob Bredow and Scott Stokdyk 
