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Compositing in Nuke

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Date Added: 18th October 2012
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By changing the value of the focus plane (C) and depth of field, the screen color will change and red and green areas will appear. Green areas correspond to areas of the image where it will be sharp, red to the transition area, and blue to the blurry areas of the image (Fig.38).

1608_tid_fig38.jpg
Fig.38

Turn off the focal plane setup and you'll see that the background is blurry and the rest is sharp. This is what we wanted (Fig.39). By increasing the value of the size parameter we can increase the effect.

1608_tid_fig39.jpg
Fig.39

Add aberration. To get two channel flows, in one stream remove green, and in the other remove red and blue, then apply transformation. Add a Remove node to a scene (Channels > Remove node). From the drop-down menu, select rgb and select green. In this flow, only green is left. Copy the Remove node and connect it with the ZBlure node. Turn on green, and turn off red and blue. In this flow we have removed the green. Now we need to connect our flows using Merge (operation set to plus) (Fig.40).

1608_tid_fig40.jpg
Fig.40


We need to apply a Transform node (T). Move and resize this a little bit (Fig.41).

1608_tid_fig41.jpg
Fig.41






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Readers Comments (Newest on Top)
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Tatevik on Sat, 29 December 2012 8:32pm
It's Perfect !!!
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Mariam on Sun, 28 October 2012 11:19am
Thak you for tutorial
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Ryan on Thu, 18 October 2012 3:27pm
very usefull indeed ... thnx friend
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Karen on Thu, 18 October 2012 12:44pm
Thank you very much. Very usefull lesson
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