k3d/share/shaders/k3d_corktile.sl:33:#define fnoise(p,width) (noise(p) * (1-smoothstep (0.2,0.75,width)))
k3d/share/shaders/k3d_corktile.sl:55:		float f = fnoise(PT, fw) + fnoise((P2 + 0.553) * txtscale, fw); 
k3d/share/shaders/k3d_corktile.sl:56:		f = f * fnoise(PT * .854, fw);
k3d/share/shaders/k3d_corktile.sl:57:		f = f + (fnoise(PT * 5.342, fw) - .5) * .5;  
k3d/share/shaders/k3d_corktile.sl:113:	disp = (tileheight + fnoise(PP * txtscale * bumpfreq + 3, filtwidth * txtscale) * (1 - tileheight)) 
