k3d/share/shaders/k3d_graphic_lines.sl:29:				float tfreq_highlight=50;
k3d/share/shaders/k3d_graphic_lines.sl:52:				float tfreq_paint=50;
k3d/share/shaders/k3d_graphic_lines.sl:75:				float tfreq_ink=50;
k3d/share/shaders/k3d_shifteddrtile.sl:15: *	tfreq - # of tiles in t 
k3d/share/shaders/k3d_shifteddrtile.sl:56:	uniform float tfreq = 4.0;          /* # of tiles in t */
k3d/share/shaders/k3d_shifteddrtile.sl:75: 	row = whichtile (t, tfreq);
k3d/share/shaders/k3d_shifteddrtile.sl:86:	tt = repeat (t, tfreq);
k3d/share/shaders/k3d_shiftedmoontile.sl:13: *	tfreq - # of tiles in t
k3d/share/shaders/k3d_shiftedmoontile.sl:52:	uniform float tfreq = 4.0;
k3d/share/shaders/k3d_shiftedmoontile.sl:71: 	row = whichtile (t, tfreq);
k3d/share/shaders/k3d_shiftedmoontile.sl:77:	tt = repeat (t, tfreq);
k3d/share/shaders/k3d_slateroof.sl:15:   tfreq: number of tiles in the t direction
k3d/share/shaders/k3d_slateroof.sl:27: 		the same sfreq, tfreq change the value of factor to ensure they have a 
k3d/share/shaders/k3d_slateroof.sl:51:                   	tfreq = 10,
k3d/share/shaders/k3d_slateroof.sl:58:	/* sfreq and tfreq must not be below 3 */				   
k3d/share/shaders/k3d_slateroof.sl:62:                 twidth = 1 / tfreq, 		/* ditto for the t direction */
k3d/share/shaders/k3d_slateroof.sl:108:	if (ttile < tfreq - 1)
k3d/share/shaders/k3d_slateroof.sl:184:	ns = noise( s * txtscale * 59.8534 * sfreq, t * txtscale * 59.8534 * tfreq);
k3d/share/shaders/k3d_slateroof.sl:192:	if (ttile < tfreq - 1) 
k3d/share/shaders/k3d_slateroofd.sl:11:    	tfreq: number of tiles in the t direction
k3d/share/shaders/k3d_slateroofd.sl:19: 			the same sfreq, tfreq change the value of factor to ensure they have a 
k3d/share/shaders/k3d_slateroofd.sl:46:                   	tfreq = 10,
k3d/share/shaders/k3d_slateroofd.sl:51:/* sfreq and tfreq must not be below 3 */				   
k3d/share/shaders/k3d_slateroofd.sl:55:                 twidth = 1 / tfreq, 		/* ditto for the t direction */
k3d/share/shaders/k3d_slateroofd.sl:89:	if (ttile < tfreq - 1)
k3d/share/shaders/k3d_woodcut.sl:18:float tfreq = 50;
