![](https://zhangyikun.myblog.arts.ac.uk/wp-content/plugins/lazy-load/images/1x1.trans.gif)
nuke, this week was spent learning the node of colour grading, and the different modes of colour grading, and rendering different effects, and finally compositing and exporting after the colour grading was done.
![](https://zhangyikun.myblog.arts.ac.uk/wp-content/plugins/lazy-load/images/1x1.trans.gif)
The nodes merging and reformat are mainly described here. Here the two screens are mainly merged. The final output is performed.
![](https://zhangyikun.myblog.arts.ac.uk/wp-content/plugins/lazy-load/images/1x1.trans.gif)
This is where the node premulty is introduced; the main function of premult is to multiply the input rgb channel by its alpha.
![](https://zhangyikun.myblog.arts.ac.uk/wp-content/plugins/lazy-load/images/1x1.trans.gif)
The main focus here is on the several colour modes and the main features of each one.
![](https://zhangyikun.myblog.arts.ac.uk/wp-content/plugins/lazy-load/images/1x1.trans.gif)
The final assignment was to make the two scenes more natural by toning them. I changed the colours of the planes and the contrast of the background to give the whole scene a more natural look.