Kanition

Maybe there are some typos

7

https://github.com/mmp/pbr-book-website/blob/02b496ae12670f8ffec2a6fe67cc30b07e57cba6/3ed-2018/Shapes/Other_Quadrics.html#L1355 I really like this amazing work and thank you for your sharing this book! I have a problem with the implicit form of the hyperboloid: It is x^2+y^2-z^2=-1, which...

How to understand and use focalDistance in OrthographicCamera and PerspectiveCamera?

1

Hi~ I really love this impressive work! I'd like to ask a question as the title says: ### How to understand and use focalDistance in OrthographicCamera and PerspectiveCamera? I find...

In line 910, the x value is assigned as -pFilm2.x. However there is no explain to it in the context. Could you give more details about this operation? Thanks a...

I note how `dpdvPlane` is computed with `theta` for a cylindrical curve: https://github.com/mmp/pbrt-v4/blob/1f3f194ea5445177829cc79d82de1cbf440f862b/src/pbrt/shapes.cpp#L697-L698 https://github.com/mmp/pbrt-v4/blob/1f3f194ea5445177829cc79d82de1cbf440f862b/src/pbrt/shapes.cpp#L713 I believe that it works well in practice, although I just find that it may not...

微面模型补充推导

18

汇总整理微面模型推导内容

切换第四版

2

当前原书更新第四版，需评估是否重新从第四版开始