k3d/share/shaders/k3d_superplank.sl:14: *   Ktrace, Krefl, reflmap - const for trace, for refl map, filename
k3d/share/shaders/k3d_superplank.sl:59:			string reflmap = "";
k3d/share/shaders/k3d_superplank.sl:319:      if(Krefl > 0 && reflmap != "")
k3d/share/shaders/k3d_superplank.sl:323:	    fresnelKr * specularcolor * texture(reflmap, xcomp(Pndc),
