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由Digital Tutors 機構最新出品的Digital Tutors 3D Pan and Tile Sky Replacement in NUKE 教程，Nuke背景合成教程。3D平移和瓷磚天空更換教程.教程所使用的軟件：NUKE v6.2
Digital-Tutors : 3D Pan and Tile Sky Replacement in NUKE
In this course we’ll learn how to create a 3d sky using a pan and tile technique in NUKE. By stitching together multiple photographs, we will be able to create a fake sky background for our composite.

We’ll begin this project by learning about the card node in NUKE, and setting up the card to correctly have lens distortion, fit our lens, and set-up the initial node networks for faster duplication. We’ll then connect the rest of our sky cards and use some math to make a rough placement. From there, we will refine the rotations and placement to hide as much of the seams as possible. We’ll then tie all the cards together into an axis so we can control the entire sky using a single transform. After that, we’ll match our sun placement, color correct our sky and render it separately to use z-blending to hide our seams. Finally, we’ll learn how to fix issues with our tiles using NUKE and Photoshop, then do a few final compositing tricks and render our sky sequence.

14 videos in this course

1. Introduction and project overview
2. Setting up the initial card and organizing our scene
3. Creating a color correction and transformation pipeline early
4. Matching the transformation from one card to the next
5. Continuing card transformations
6. Fixing rotation issues with a few of our tiles
7. Creating an axis controller for our entire sky
8. Blending edges using the ScanlineRender Z-blend properties
9. Rotating our sky to match the Sun placement
10. Color correcting our entire sky to match the scene
11. Fixing small issues in NUKE with the RotoPaint node
12. Fixing small issues in Photoshop with Content-Aware Healing
13. Filling a hole in the sky with a separate sky section
14. Lightwrapping and merging our sky render with our foreground