k3d/share/shaders/k3d_hexatile_bump.sl:42:Worley2D_f1f2 (float ss, tt; float jitter, seed, c1, c2, hexagon, scale_ss, scale_tt; 
k3d/share/shaders/k3d_hexatile_bump.sl:57:if ((hexagon != 0) && abs(mod(stestcell, 2)) < 1)
k3d/share/shaders/k3d_hextile.sl:2: * hextile.sl -- surface shader for hexagonal tiles in st space
k3d/share/shaders/k3d_hextile.sl:6: *    hexagonal tiles, similar to that found as floor patterns in public
k3d/share/shaders/k3d_hextile.sl:8: *       The basic pattern is a hexagonal tiling, with a little bit of
