本视频教程是由Digital-Tutors机构出品的AE中OpenEXR多通道色彩制作视频教程，Digital-Tutors Compositing with Multi-channel OpenEXR Files in After Effects，时长：28分，大小：147 MB，格式：MP4高清视频，附工程源文件，教程使用软件：After Effects CC，作者：Evan Clarke James，共5个章节，语言：英语。
After Effects是Adobe公司推出的一款图形视频处理软件，适用于从事设计和视频特技的机构，包括电视台、动画制作公司、个人后期制作工作室以及多媒体工作室。而在新兴的用户群，如网页设计师和图形设计师中，也开始有越来越多的人在使用After Effects。属于层类型后期软件。
Digital-Tutors Compositing with Multi-channel OpenEXR Files in After Effects
In this After Effects tutorial, we’ll learn how to take advantage of ILM’s OpenEXR file format. Software required: After Effects CC.
A common format in visual effects and animation, OpenEXR files are able to contain an unlimited number of channel layers. So a common workflow is to put all the different CG lighting passes into one EXR sequence. We’re going to take an OpenEXR file of an alien creature and set up all different render passes hidden inside as separate layers. Then we’ll use those layers to do a multi-pass CG composite with complete control over the look of the alien as we integrate him into his alien planet background. We’ll go on to add and adjust the ground shadow, learn how to make an edge blur from scratch, and perform a final color grade that will make the image really pop. By the end of this After Effects training, you’ll have created a feature-film-quality, multi-pass CG composite using the power of OpenEXR files. Software required: After Effects CC.
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