Maya GI全局照明和焦散教程 Global Illumination and Caustics in Maya & mental ray

Maya GI全局照明和焦散教程 Global Illumination and Caustics in Maya & mental ray

讲解maya利用 mental ray渲染器时的GI全局照明和焦散教程，利用图片来制造自然环境光线氛围，讲解基本的GI渲染设置

In this lecture, Frederic Durand demonstrates a variety of techniques for using Global Illumination and Caustics within Maya and mental ray. Global Illumination and Caustics rendering techniques use photons as the method to create natural lighting phenomenon. Photon based lighting allows light rays to bounce and create complex effects that are not possible with other rendering methods. The training begins with an introduction on Global Illumination theory and quickly moves into how to control the basic GI render settings. Fred shows how to balance accuracy, intensity and photon emission to create fast, production quality renders using Global Illumination alongside of Final Gather. The technical and artistic challenges of caustic lighting are covered in great detail. Materials such as glass, shiny metals and translucent plastics are used as case studies. Compositing is addressed as an integral part of any lighting workflow, as it helps to work more efficiently, while rendering in passes is critical to any successful lighting strategy. For those interested in mastering mental ray, this title offers invaluable techniques from an experienced industry artist.

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