TAILIEUCHUNG - Tài iệu Photoshop cs5 by Dayley part 112

Cắt lớp Video Khi bạn thêm các lớp video mới cho dự án, bạn có thể thấy rằng bạn cần phải cắt chúng. Cắt một lớp video bao gồm cắt lớp kết thúc không mong muốn, để lại phần còn lại của video nguyên vẹn. Bạn có thể cắt một lớp bằng nhiều cách theo thủ kéo thanh thời gian lớp hoặc bằng cách sử dụng ảnh tùy chọn trình đơn (Timeline). | Chapter 25 Video Editing Basics FIGURE This is about one-fourth of the layers that are actually contained in this timeline. Tip If you are importing a fairly large number of images using the first method of importing an image sequence and then choosing Flatten Frames into Layers followed by Make Frames from Layers is a faster process then importing the stack and it achieves the same result. Trimming Video Layers As you add new video layers to a project you may find that you need to trim them. Trimming a video layer consists of cutting the unwanted ends off the layer leaving the rest of the video intact. You can trim a layer in several ways by manually dragging the layer duration bar or by using the Animation Timeline menu options. 815 Part VIII Working with Video and Animation Dragging the layer duration bar The easiest and most rudimentary way to trim a layer is to drag the ends of the layer to the point where you want the video to start or end. First you need to place the current time indicator in the place where you want to begin or end the clip. You probably can get to that spot just by your initial preview of your video clip. Then simply grab the end of the layer duration bar by clicking and holding it as you drag it to the current time indicator. This isn t a precise method but it works well for a preliminary trim. Figure shows my attempt at lining up the layer duration bar and the current time indicator. FIGURE Dragging the end of the Layer Duration Bar to trim it When you drag the beginning of the layer to trim it the layer doesn t reposition itself at the beginning of the document automatically. If you want your layer to start at the beginning of the document you can do one of two things drag and drop the already trimmed layer to reposition it or simply drag the untrimmed layer forward moving it out of the beginning of the document. Place the current time indicator at the beginning of the document so you can preview the video as you are .

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