External motion data can be input into the Motion Blur and Vector Viewer nodes. For these nodes, the green tab accepts a 16-bit floating point image forward motion data and the blue tab accepts 16-bit floating point image backward motion data.

To create a motion-estimated motion blur and timewarp using external motion data:

1. Do one of the following:
   • Add two 16-bit OpenEXR-formatted clips with motion data to the schematic.
   • Add a Motion Analysis node to the schematic and connect a front clip to it.
2. Add a Motion Blur node to the schematic.
3. Add a front clip to the Motion Blur node.
4. Attach a clip containing forward motion data to the green tab.
5. Attach a clip containing backward motion data to the blue tab.

   
   

   The Motion Blur nodes receives forward and backward motion input from a Motion Analysis node.

   
   

   The Motion Blur node receives forward and backward motion input from 16-bit floating point clips.

6. Select the Motion Blur node.

   The Motion Blur menu appears.

   
   

   (a) The Quality option box is disabled when motion is analysed externally  

7. Enter motion blur and timewarp settings. See Motion Blur Node.
8. View the result.

   To increase accuracy, increase the resolution of the backward and forward motion data. If you are using data from the Motion Analysis node, you can change the Quality setting.

To display motion analysis data as motion vectors:

1. Do one of the following:
   • Add two 16-bit OpenEXR-formatted clips with motion data to the schematic.
   • Add a Motion Analysis node to the schematic and connect a front clip to it.
2. Add a Vector Viewer node to the schematic.
3. Add a front clip to the Vector Viewer node.
4. Attach forward motion data to the green tab.
5. Attach backward motion data to the blue tab.

   
   

6. Verify the results in the Result view. You can view the vectors for forward and backward motion and modify their display for easier viewing.

   To increase accuracy, increase the resolution of the backward and forward motion data. If you are using data from the Motion Analysis node, you can change the Quality setting.