Adobe Premiere Elements 12 - Manual (Page 149)

Create special transitions
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Create an Image Mask transition
Create a Gradient Wipe transition
Create an Image Mask transition
You can use a black-and-white bitmap image as a transition mask. The first clip replaces the black area in the image, and the second clip
replaces the white areas in the image. If you use a grayscale image for the mask, pixels containing 50% or more gray convert to black, and
pixels containing less than 50% gray convert to white.
Apply an Image Mask transition
1. In the Expert view, click Transitions on the Action bar. The Transitions panel appears.
2. From the Transitions panel, select the Special Effect menu, and locate the Image Mask transition.
3. Drag the Image Mask transition to a cut between clips in the Expert view timeline.
4. In the Image Mask Settings dialog box, click Select Image.
5. Locate and select the image file you want to use as a transition mask, and click Open. The image appears in the Image Mask Settings
dialog box.
6. Click OK. The Transitions contextual control appears. Adjust the properties of the transition, if necessary, and click Done.
Image serves as mask to create transition
Change the image for an Image Mask transition
1. Double-click the transition in the Expert view timeline. The Transitions contextual control appears.
2. In the Transitions contextual control, click More and then click Custom. The Image Mask Settings dialog box appears.
3. In the Image Mask Settings dialog box, click Select Image.
4. Locate and select the image file you want to use, click Open, and then click OK.
Create a Gradient Wipe transition
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