k3d/share/shaders/k3d_oakplank.sl:79:		   output float swhichplank, twhichplank;
k3d/share/shaders/k3d_oakplank.sl:88:  twhichplank = floor(newt / planklength);
k3d/share/shaders/k3d_oakplank.sl:89:  tplank = newt - twhichplank * planklength;
k3d/share/shaders/k3d_oakplank.sl:131:  float swhichplank, twhichplank, splank, tplank;
k3d/share/shaders/k3d_oakplank.sl:134:			       swhichplank, twhichplank, splank, tplank);
k3d/share/shaders/k3d_oakplank.sl:135:  float plankindex = swhichplank + 13 * twhichplank;
k3d/share/shaders/k3d_oakplank.sl:139:    (vector cellnoise(swhichplank, twhichplank) - 0.5);
