k3d/share/shaders/k3d_cloudplane.sl:26:    float x, fx, xfreq, xphase;
k3d/share/shaders/k3d_cloudplane.sl:38:    xfreq = 2 * PI * 0.023;
k3d/share/shaders/k3d_cloudplane.sl:44:            (offset + cos(xfreq * (x + xphase)));
k3d/share/shaders/k3d_cloudplane.sl:49:        yphase = PI/2 * 1.1 * cos(xfreq * x);
k3d/share/shaders/k3d_cloudplane.sl:51:        xfreq *= 1.9 + i * 0.1; /* approximately 2 */
k3d/share/shaders/k3d_dturb.sl:12:  float width, cutoff, fade, f, turb, maxfreq = 16;
k3d/share/shaders/k3d_dturb.sl:19:  cutoff = clamp(0.5 / width, 0, maxfreq);
k3d/share/shaders/k3d_fire.sl:13:  float width, cutoff, fade, f, turb, maxfreq = 16;
k3d/share/shaders/k3d_fire.sl:32:  cutoff = clamp(0.5 / width, 0, maxfreq);
k3d/share/shaders/k3d_projectionmap_plastic.sl:36:	float xfreq = 1.0;
k3d/share/shaders/k3d_projectionmap_plastic.sl:49:			float x = xfreq * (xcomp(Pshad) - xoffset + 0.5);
k3d/share/shaders/k3d_skin1.sl:202:  float maxfreq = 8;
k3d/share/shaders/k3d_skin1.sl:213:  for (f = 1; f< maxfreq; f *= 2)
k3d/share/shaders/k3d_skin1.sl:240:  for (f = 1; f< maxfreq; f *= 2)
k3d/share/shaders/k3d_stones.sl:24: * minfreq & maxfreq = limits to the rock loop excecution
k3d/share/shaders/k3d_stones.sl:88:          maxfreq = 10,
k3d/share/shaders/k3d_stones.sl:113: for (freq = maxfreq ; freq>minfreq;freq -=0.5)
k3d/share/shaders/k3d_stones.sl:140:              ((maxfreq - freq)/maxfreq); */
k3d/share/shaders/k3d_stones.sl:141:   mag= (0.5 - abs(bub - 0.5)) * 90 *(.09 - d * d)*((maxfreq - freq)/maxfreq);
k3d/share/shaders/k3d_stones.sl:162:       float cutoff = clamp(0.5 / width, 0, maxfreq);
