附录：参数

表面 Photon Monte Carlo 辐射：前照灯教程使用多个预定义参数。

展开自动化 > 参数节点后可使用以下参数：

Sampling Factor Ramp(采样因子跃升) > Final Sampling Factor(最终采样因子)
0.05
Sampling Factor Ramp(采样因子跃升) > Initial Sampling Factor(初始采样因子)
1.0
Sampling Factor Ramp(采样因子跃升) > Sampling Factor Ramp Duration(采样因子跃升持续时间)
50.0
Filament_Temperature
2000.0 K
Halogen Bulb_Emissivity
1-${Halogen Bulb_Reflectivity}-${Halogen Bulb_Transmissivity}
Halogen Bulb_Reflectivity
0.2
Halogen Bulb_Transmissivity
0.8
Lens_Emissivity
1-${Lens_Reflectivity}-${Lens_Transmissivity}
Lens_Reflectivity
0.2
Lens_Transmissivity
0.8
Reflector_Emissivity
1-${Reflector_Reflectivity}-${Reflector_Transmissivity}
Reflector_Reflectivity
0.8
Reflector_Transmissivity
0.0