Again, because the clip was shot without a tripod, the camera shifts. The clouds should shift with
it. You’ll track the motion to sync the clouds with the foreground elements, just as you did for
the other clip.
1. Make sure the current-time indicator is at 2:23. Then select the Wide Shot layer, right-click
or Control-click it, and choose Track & Stabilize > Track Motion.
2. In the Tracker panel, select the Position, Rotation, and Scale options.
3. Click in the feature region (the inner box) of one of the track points, and drag it to the peak
of the roof of the house on the far right. Then, drag the feature region of the other track
point to the peak of the house straight across from it, as in the illustration.
4. In the Tracker panel, click Edit Target. In the Motion Target dialog box, choose 6.
storm_clouds.jpg from the Layer menu, and click OK. Make sure you select the second
storm_clouds.jpg file, and not the first one (layer 3); you want the one that is associated
with the Wide Shot layer.5. Click the Analyze Forward button in the Tracker panel.
6. When the analysis is complete, click Apply in the Tracker panel. Click OK to apply the data
to both the x and y dimensions.
7. Click the Composition: Taking Flight tab in the Composition panel to make it active. Then
scrub through the clip to watch the clouds in sync with the other elements.The clouds follow the movement of the camera, but because the layer was scaled, they may not
be in the right position.
8. Hide the properties for all layers.
9. Make sure no layers are selected. Then, select the storm_clouds.jpg layer at the bottom of
the layer stack, and press the A key to reveal the Anchor Point property. Adjust it so that it
looks right. We used 941 , 662.