VR入门详细教程

-3/-2好
2 其它参数（学习VR上www.jb51.net）
Hsph subdivs: 计算gi时的采样值，与定义值为15，加大它肯定会增加渲染时间，但增加的不多，
Hspr细分值 默认为15,到25~30为佳，再大也会像b razil一样了…………
注意此值表现材质及贴图的细腻程度,
光滑程度
Clr thershold Normr thershold
根据 vray原作者的回答:
that's it. Lowering these parameters will
make irradiance map calculations longer, but will capture GI detail
better
Personally I don't ajust these settings, But I guess if they
are set to high, you start loosing detajl, and if to low, it needs more
subdivs (time) to render smooth?.
There is something about the detail which is lost (small objetcs such as
the horizontal
elements on the wall seem a bit flat. I've read that by reducing the
Normal thresh that can
become better
Interp. Samples: 40
（此值为光照贴图加入原渲染结果的精度，可设大一点，不太影响渲染时间）
此值太大 ,softing in surfaces, 一般 40即可
Secondary bounces: subd: 1, depth: 3
（注意：为达到良好的gi效果，最好不要关掉第二级反弹，节约时间的关键在于
max min
的值及光照贴图的幅数）也不要轻易的动原设定值。)depth大一点,这样,
渲染的细节就会多一点
As for sec. bounce subdivision parameter, I think it controls the
sampling of the secondary bounces, that is the higher this number is the
less noisy the image.
Depth 控制光线反射 ,反弹的次数, 一般场景不超过 5
假如是玻璃, 应该大一点.

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