Using DaVinci Resolve
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You can track objects or areas in your clip using the tracker
feature so power windows can follow the action.
To add a power window to your clip:
Step 1.
Add a new serial node.
Step 2.
Open the 'window' palette and select a window 'shape' by clicking on the icon next to the
shape. Your selected window shape will appear on the node.
Step 3.
Size the shape by clicking and dragging the blue points around the shape. The pink points
adjust the edge softness. You can position the shape by clicking the center point and
moving it to the area you want to isolate. Rotate the window using the point connected
to the center.
Now you can make color corrections to your image in just the area you want.
Tracking a Window
The camera, object or area in your shot may be moving, so to make sure your window stays on your
selected object or area, you'll need to use DaVinci Resolve's powerful tracking feature. The tracker
analyzes the pan, tilt, zoom and rotation of the camera or object in your clip so you can match your
windows to that movement. If this isn't done, your correction can move off the selected target and
call attention to itself, which you probably don't want.
To track a window to a moving object:
Step 1.
Create a new serial node and add a power window.
Step 2.
Go to start of your clip and position and size the window to highlight just the object or
area you want.
Step 3.
Open the 'tracker' palette. Select the pan, tilt, zoom and rotate settings appropriate for
the movement in your clip by checking or unchecking the relevant 'analyse' checkboxes.
Step 4.
Click on the 'forward' arrow beneath the analyse settings. DaVinci Resolve will now apply
a cluster of tracking points on your clip and then step through the frames to analyze the
movement. When the tracking is done, your power window will follow the path of the
movement in your clip.
Most of the time automatic tracking is successful, but scenes can be complex and sometimes an
object can pass in front of your selected area, interrupting or affecting your track. This can be solved
manually using the keyframe editor. Refer to the DaVinci Resolve manual to find out more.