1. Tracking the Footage
Click on Editor and select Movie Clip Editor.
It opens the Movie Clip Editor. Click on Open to import the footage in the movie clip editor.
Go to the folder with the image sequence of the footage. Select the first
frame and click the Open Clip button.
Now you can see the footage inside the movie clip editor window.
Click on Prefetch
Frames button to load the image sequence in the RAM. Alternatively, you can press
the P key.
Press and hold the Ctrl key and secondary-click the mouse
button onto the marker. A tracker appears on the footage.
Following the same way, create trackers for the rest markers also.
Click on Track Forward button to track the footage.
Within a couple of seconds, the footage gets tracked. You can play the footage to check the reliability of the track. In my case, the footage has been tracked without any problem.
2. Creating Plane Track
Click on Solve tab.
Press the A key twice to select all trackers in the viewport. Go to Plane Track and click on Create Plane Track.
It creates a plane track inside the viewport.
Move the control points of the plane track at the corners of the monitor.
3. Compositing in Node Editor
Click on Editor and select Node Editor.
Turn on Use Nodes and Backdrop options.
Press Shift-A key and go to Input > Movie Clip.
With Ctrl and Shift key pressed, click on the Movie Clip
node. It automatically gets connected to the Viewer node.
Click on Browse Movie button and select the image sequence.
Press Shift-A key again and go to Input > Movie Clip to
create a new Movie Clip node.
I want a movie clip to play on the monitor screen. So, I have chosen a
movie file. If you want to place just an image, create an Image node instead
of the Movie Clip node and then choose a still image of your choice.
To place the movie file on the top of the monitor, press Shift-A key again and go to Color > Alpha Over.
Connect the Alpha Over node with the monitor movie clip node.
Connect the second movie clip node’s image output to the Alpha Over node’s image input.
Press Shift-A key again and go to Distort > Plane Track Deform.
Connect the Plane Track Deform node to the second Movie Clip
Click on Open and select the monitor sequence file. Click on Camera
and select the camera. At last, click on Plane Track and select the
As soon as you select the plane track, you will see the movie file gets fit in the monitor.
Press the Play button and you will see the foreground movie going perfectly with the background footage.
In this part of the tutorial series, I showed you how to create four-points planar tracking. In the next part of the tutorial, I will show how to perform 3D tracking.
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