Adobe 22020737 Acrobat X Pro Manual - Page 372

USING ACROBAT X PRO 366 Multimedia and 3D models • Resize the clip by dragging one of the corners of the frame until it is the desired size. Hold down Shift to retain the correct proportions for video clips. Add comments to videos When you view a video, you can add comments to individual frames. Each comment is attached to a specific frame, so that when you view the comments, they appear in the context in which they were made. 1 With the video open, open the Comment task pane. 2 Start the video and click Pause where you want to add a comment. 3 Select the commenting tool you want to use from the Annotations or Drawing Markup panels, and then click the video frame to add the comment. 4 Click Play to continue the video. The comments display in the Comments list. More Help topics "Annotations and drawing markup tools overview" on page 150 "View comments" on page 164 Adding 3D models to PDFs Add 3D models to a PDF page You can use the 3D tool to place a 3D file (in U3D 3rd Edition or PRC format) on a PDF page. Acrobat Pro can create 3D PDFs but only from U3D ECMA 1 files. After you place a 3D file, you can adjust the area or canvas in which the 3D model appears, edit the presentation properties for the 3D toolbar and content, and create additional views. More Help topics "3D toolbar overview" on page 369 "3D properties" on page 367 Add a 3D model to a page 1 Choose Tools > Content > Multimedia > 3D. 2 Drag a rectangle on the page to define the canvas area for the 3D file. 3 In the Insert 3D dialog box, click Browse to select the 3D file, and then click Open. Move, delete, or resize the 3D canvas 1 Choose Tools > Content > Select Object . Note: Be careful not to confuse the Select Object tool with the basic Select tool. Use the Select Object tool to adjust a 3D canvas. Last updated 10/11/2011