k3d/share/shaders/k3d_cloudplane.sl:29:    uniform float xoffset = 13;
k3d/share/shaders/k3d_cloudplane.sl:33:    x = xcomp(Psh) + xoffset;
k3d/share/shaders/k3d_projectionmap_plastic.sl:38:	float xoffset = 0.0;
k3d/share/shaders/k3d_projectionmap_plastic.sl:49:			float x = xfreq * (xcomp(Pshad) - xoffset + 0.5);
