k3d/share/shaders/k3d_corktile.sl:102:	color Cg, Ct;
k3d/share/shaders/k3d_corktile.sl:108:	Cg = color( .20, 0, 0) + filteredsnoise(PP * txtscale, filtwidth * txtscale) * .2;
k3d/share/shaders/k3d_corktile.sl:119:	Ci = Os * (mix( Ct, Cg, ingap) * (Ka*ambient() + Kd*diffuse(Nf)) +
k3d/share/shaders/k3d_gooch.sl:41:    color Cgooch = color(0,0,0); 
k3d/share/shaders/k3d_gooch.sl:50:        Cgooch += mix(kcool,kwarm,blendval); 
k3d/share/shaders/k3d_gooch.sl:55:                Kd*Cgooch +
k3d/share/shaders/k3d_oakplank.sl:17: *   Cgroove - color of the grooves between the planks
k3d/share/shaders/k3d_oakplank.sl:114:		     color Cgroove = color(0.02, 0.02, 0.02);
k3d/share/shaders/k3d_oakplank.sl:148:  Cwood = mix(Cgroove, Cwood, inplank);
