k3d/share/shaders/k3d_skin1.sl:26: * Oily,oilmap = controls how oily the skin looks. Use a grayscale map to contol
k3d/share/shaders/k3d_skin1.sl:185:  string oilmap = "";
k3d/share/shaders/k3d_skin1.sl:285:  if (oilmap != "")
k3d/share/shaders/k3d_skin1.sl:286:      oilVal *= float texture(oilmap);
