k3d/share/shaders/k3d_gooch.sl:16: *  beta         : Gooch warm color factor
k3d/share/shaders/k3d_gooch.sl:31:         float beta = .5;
k3d/share/shaders/k3d_gooch.sl:46:    kwarm = yellow + (Cs * beta);
k3d/share/shaders/k3d_orennayar.sl:50:    float alpha, beta, sigma2, cos_phi_diff;
k3d/share/shaders/k3d_orennayar.sl:64:	beta = min (theta_i, theta_r);
k3d/share/shaders/k3d_orennayar.sl:69:	else C2 *= (sin(alpha) - pow(2*beta/PI,3));
k3d/share/shaders/k3d_orennayar.sl:70:	C3 = 0.125 * sigma2 / (sigma2+0.09) * pow ((4*alpha*beta)/(PI*PI),2);
k3d/share/shaders/k3d_orennayar.sl:71:	L1 = Cs * (cos_theta_i * (C1 + cos_phi_diff * C2 * tan(beta) +
k3d/share/shaders/k3d_orennayar.sl:72:				  (1 - abs(cos_phi_diff)) * C3 * tan((alpha+beta)/2)));
k3d/share/shaders/k3d_orennayar.sl:74:			  (1 - cos_phi_diff*(4*beta*beta)/(PI*PI)));
k3d/share/shaders/k3d_uberlight.sl:317:	  float beta = -falloff / s;
k3d/share/shaders/k3d_uberlight.sl:318:	  atten *= (maxintensity * exp(s * pow(PLlen / falloffdist, beta)));
