本教材是由Lynda机构出品的AE与PS制作数字绘画从夏天到冬天变化视频教程，时长：1小时48分，教程使用软件：  After Effects CS6, Photoshop CS6，大小：525 MB，MOV视频格式，附工程源文件，作者：David Mattingly，官方发布时间：2012年7月3日，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。

Photoshop是Adobe公司旗下最为出名的图像处理软件之一，集图像扫描、编辑修改、图像制作、广告创意，图像输入与输出于一体的图形图像处理软件，深受广大平面设计人员和电脑美术爱好者的喜爱。

此次CS6系列采用了最新的“Mercury Graphics Engine”设计开发引擎，其最新的内容识别技术可帮助用户更加精准的完成图片编辑。另外，CS6还为用户提供了一些新的选择工具和全新的软件UI，用户可完全摆脱代码的束缚而创造属于自己的HTML5标准网页。

Lynda.com Digital Matte Painting Changing a Scene From Summer to Winter

In this course, well-known author, teacher, and illustrator David Mattingly demonstrates his production-proven matte painting techniques and shows how to turn a summer daytime scene into a wintry nightscape using Photoshop and After Effects. David shows how to take a plate, or a still shot from a film, and alter key elements to change the season and time of day. Using advance digital matte painting methods, David removes all of the greenery from the mountains, fields, and trees, and covers them with snow. Then he replaces rr-sc.com the sky, and adds realistic touches such as chimney smoke, icicles, and night-lit windows. In the final chapters, you’ll discover how to create an animated scene that cross-dissolves between the two versions.

内容包括：

Making precise selections using the Color Range command

Controlling reference material through layer masks

Creating custom brushes

Painting snow, icicles, and trees

Painting through a high-contrast matte

Replacing the sky in an image

Animating smoke and falling snow

Reformatting and rendering a scene in After Effects