本视频教程是由Digital-Tutors机构出品的AE中Roto笔刷使用技巧视频教程，Digital-Tutors Unlocking the Power of the Roto Brush Tool in After Effects，时长：1小时34分，大小：900 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：Laura Smith，共12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。
AE全称After Effect是adobe公司开发的一个视频剪辑及设计软件。After Effects ，用于高端视频特效系统的专业特效合成软件，隶属美国Adobe公司。它借鉴了许多优秀软件的的成功之处，将视频特效合成上升到了新的高度：Photoshop中层的引入 ，使AE可以对多层的合成图像进行控制，制作出天衣无缝的合成效果； 关键帧、路径的引入，使我们对控制高级的二维动画游刃有余；高效的视频处理系统，确保了高质量视频的输出；令人眼花缭乱的特技系统使AE能实现使用者的一切创意；AE同样保留有Adobe优秀的软件相互兼容性。
Digital-Tutors机构是号称全球最大的CG付费教程网站，2000多万次视频播放记录，顶级客户的优秀项目实例，被誉为教学和娱乐结合的最好的教程，RenderMan创建人称之为“完美的学习站点”，成立至今已经有12年之久，内容集中在视频制作和游戏制作两大板块，其网站完整的教学的理念，先进的技术支持（他们甚至开启了移动手机看教程的计划，支持IPAD/IPHONE/ANDROID），都让人耳目一新。尤其是多层级的教学难度设置，有趣的考试内容，时不时的竞赛，让DT成为非常活跃的一个CG机构。
Digital-Tutors Unlocking the Power of the Roto Brush Tool in After Effects
In this series of lessons, we’ll be learning how to use the Roto Brush Tool. A lot of people try to use the Roto Brush Tool without knowing how it works. They jump in, start painting one frame after the other and depending on their patience level, they soon give up.
This is because there are a few ground rules for using this tool, and if you don’t know them, your matte will not turn out well. If you understand the ground rules, then you don’t need to be a certified “Roto Brush Tool Expert” to use it. This tool is meant to speed up your workflow. With that being said, this training doesn’t use footage examples that are unrealistically easy to roto. So, after we get a basic understanding of this tool, we are going to have some hard lessons with uncooperative footage that will help you learn the real challenges of using this tool. As well as, some of the perfect places to use it and how to trick your footage into looking just as you envisioned, with a combination of techniques.
This training is for you if you’ve never used the Roto Brush before and you’re ready to learn. It’s also for you if you’ve tried it, had trouble, and want to learn how to make it work the right way.
