k3d/share/shaders/k3d_leather.sl:82:	#define T3               0.8    /* T2->T3 => red can exist here    */

k3d/share/shaders/k3d_leather.sl:83:	#define T4               1.0    /* lerp s.t. T3->T4 => red->green  */

k3d/share/shaders/k3d_leather.sl:95:	else if (t >= T3 && t < T4)

k3d/share/shaders/k3d_leather.sl:96:		base_turb *= (T4-t)/(T4-T3);

k3d/share/shaders/k3d_redapple.sl:106:	#define T3               0.8    /* T2->T3 => red can exist here    */
k3d/share/shaders/k3d_redapple.sl:107:	#define T4               1.0    /* lerp s.t. T3->T4 => red->green  */
k3d/share/shaders/k3d_redapple.sl:119:	else if (t >= T3 && t < T4)
k3d/share/shaders/k3d_redapple.sl:120:		base_turb *= (T4-t)/(T4-T3);
