Tự học iLife - p 17 potx

143 44 33 11 WORKING WITH iMOVIE ’09 Editing Movies chapter 8 How do I replace a clip in my project? The steps for replacing a video clip are similar to inserting a clip. 1 Click and drag the replacement clip from the event browser onto the clip to replace in the project. 2 Release the mouse button. 3 In the menu that appears, click Replace. iMovie replaces the clip. ● The project clip is divided in two. ● The new clip is inserted in between. iMovie displays a menu. 4 Click Insert. 144 44 33 11 22 ● iMovie splits the clip into two pieces. ● To join them together again after splitting, select one of the pieces and click Edit and then Join Clips. 1 Click at the point where you want to split the clip and drag to make a selection. 2 Drag to the end of the clip and release the mouse button. Note: If you make a selection in the middle of the clip instead of at the end, the clip will be split in three pieces. 3 Click Edit. 4 Click Split Clip. Split a Clip You can split a clip into two. Then you can add a transition between the two new pieces, or add different effects to each of them. Split a Clip 145 WORKING WITH iMOVIE ’09 Editing Movies chapter 8 Find the Source of a Clip 11 33 22 source: My Wildlife Video ● iMovie opens the associated event in the event browser and highlights the clip. 1 Click to select a clip in the project browser. 2 Click Edit. 3 Click Reveal in Event Browser. You can find the original source of a clip in the event browser. This can be useful if you want to locate similar clips to use in your project. Find the Source of Clip 145 Editing Movies chapter 8 146 44 11 22 iMovie inserts the transition. ● A transition is represented in your project by a square icon. 4 Position your cursor to before a transition. 5 Press . 1 Click to open the transitions browser. iMovie displays a selection of predefined transitions. ● You can position your cursor over a transition thumbnail to see it played. 2 Click and drag a transition thumbnail between two clips in your project. ● A green line appears where the transition will be inserted. 3 Release your mouse button. Add a Transition Between Clips Transitions are special effects that blend the end of one clip with the beginning of another. iMovie offers a variety of transition types that you can add to your movies including fade-ins, page curls, and wipes. Add a Transition Between Clips 147 22 WORKING WITH iMOVIE ’09 Editing Movies chapter 8 How do I add a themed transition? If you apply a theme to your project, iMovie makes available transitions that match that theme. For example, the Photo Album theme includes transitions that show clips taped to a photo album page. See Chapter 10 for more about themes. 1 Create a project with a theme. Note: See “Create a Project” for details. ● For themed projects, special transitions appear at the top of the transitions browser. 2 Click and drag to place a themed transition between clips. ● You can click Set Theme to change the theme of a project. ● When you preview the transition, you can see the special styles and effects. ● iMovie plays the movie in the viewer and displays the transition. To delete a transition, you can -click its icon and click Delete Selection in the menu that appears. 148 TRANSITION SECONDS 00:07 11 22 33 The Inspector appears. 2 Type a transition duration in seconds. ● By default, the new duration is applied to all transitions in the project. Click to apply it only to the selected one ( changes to ). 3 Click the transition effect. 1 Double-click a transition icon in the project browser. Edit a Transition You can edit a transition to change its duration or effect. You might want to make changes to a transition to match the pace or mood of your movie. Edit a Transition 149 55 44 WORKING WITH iMOVIE ’09 Editing Movies chapter 8 How do I keep transitions from shortening my movie? By default, iMovie overlaps the ends of your clips to create smooth transitions from one clip to another. This shortens the length of your movie slightly. You can change this behavior. 1 Open the Project Properties dialog by clicking Set Theme in the transitions browser. 2 Click to automatically add transitions between clips ( changes to ). 3 Click Extend ends and maintain duration ( changes to ). 4 Click OK. iMovie maintains movie duration by using a freeze frame at the end of clips when creating a transition. For more about freeze frames, see the tip section in “Add a Still Photo.” The Inspector appears. 5 Click Done to apply the changes. A Choose Transition dialog appears. ● You can drag the cursor across a thumbnail to preview the transition. 4 Click a thumbnail to select a new transition. 44 22 33 150 P recision Editor P recision Editor P recision Editor P recision Editor 33 22 44 33 iMovie opens the precision editor. ● The clip leading into the transition appears here. ● The transition appears here. ● The unused part of the clip, if present, appears here. ● The parts of the clip leading out of the transition appear here in the reverse order. 4 Drag the cursor to preview the transition. 1 Add a transition to your project. Note: See “Add a Transition Between Clips” for details. 2 Position your cursor over the transition icon. 3 Click the edit icon ( ) and click Precision Editor in the menu that appears. Use the Precision Editor You can use the precision editor to magnify the view of a transition in order to fine-tune it. The editor lets you precisely trim or extend either clip in a transition so you can get just the right effect. Use the Precision Editor 151 66 55 77 11 WORKING WITH iMOVIE ’09 Editing Movies chapter 8 How do I edit the transition duration in the precision editor? Follow these steps: 1 Position the cursor over the left or right edge of the transition icon. 2 Click and drag left or right to shorten or lengthen the duration. ● iMovie changes the duration and displays the length in seconds on the icon. iMovie makes the change to the transition. 7 Click Done to exit the precision editor. A preview appears in the viewer. 5 Click and drag to adjust the clip leading in to the transition. 6 Click and drag to adjust the clip leading out of the transition. ● You can click and drag to shift the transition independently of the clips. 152 11 44 33 22 iMovie displays the Crop tool. ● You can click within the clip to view a specific frame. 3 Click and drag the corners to crop the clip. 4 Click and drag inside to move the Crop tool. 1 Click to select a clip in your project. 2 Click Crop ( ) or press . Crop a Clip You can use the Crop tool to highlight the main subject in a clip. Cropping a clip in a project does not alter the source clip, so you can still use the original version in other parts of a project. Crop a Clip . clip in your project. 2 Click Crop ( ) or press . Crop a Clip You can use the Crop tool to highlight the main subject in a clip. Cropping a clip in a project does not alter the source clip,. transition appears here. ● The unused part of the clip, if present, appears here. ● The parts of the clip leading out of the transition appear here in the reverse order. 4 Drag the cursor to preview. the clip to replace in the project. 2 Release the mouse button. 3 In the menu that appears, click Replace. iMovie replaces the clip. ● The project clip is divided in two. ● The new clip is