k3d/share/shaders/k3d_ceramictiles.sl:68:		  output float swhichtile, twhichtile;
k3d/share/shaders/k3d_ceramictiles.sl:72:  twhichtile = floor(tt);
k3d/share/shaders/k3d_ceramictiles.sl:74:  ttile = tt - twhichtile;
k3d/share/shaders/k3d_ceramictiles.sl:203:  float swhichtile, twhichtile, stile, ttile;
k3d/share/shaders/k3d_ceramictiles.sl:206:			     swhichtile, twhichtile, stile, ttile);
k3d/share/shaders/k3d_ceramictiles.sl:207:  float tileindex = swhichtile + 13 * twhichtile;
