k3d/share/shaders/k3d_grids.sl:53:float G1L1_ss, G1L1_tt;
k3d/share/shaders/k3d_grids.sl:61:rotate2d(s, t, radians(G1L1_rotation), 0.5, 0.5, G1L1_ss, G1L1_tt);
k3d/share/shaders/k3d_grids.sl:62:G1L1_ss = repeat(G1L1_ss, G1L1_freq);
