Cleanplate Projections | Nuke Compositing Guide

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Compositing Academy

Compositing Academy

Күн бұрын

In this tutorial, we cover how to use Nuke Camera projections alongside various 3d Methods (such as lidar to build 3d) to remove objects from scenes (a process referred to as Cleanplating). This is a very common workflow and is necessary in many visual effects shots - although this work is never perceived by the viewers.
In advanced cleanplates you can mix 3d and 2d methods - whatever works to remove the object - and often times you need to mix different methods for different parts of the video.
Thanks to the sponsor of this video - Polycam. I personally use this application and believe in the product, even their free version is great. You can download their software on this link:
apps.apple.com/app/apple-stor...
Fractal blur node seen in this video:
richardfrazer.com/tools-tutor...
This project file has been added to the existing class (NK202 - Methods of 3D Compositing), which can be found here in the beginner course series:
www.compositingacademy.com/nu...
Are you a beginner looking to learn nuke? Check out Compositing Academy and join the over 4,000 students who have already enrolled:
www.compositingacademy.com
Are you looking for VFX assets? Check out our libraries (we are always adding more to it):
www.compositingacademy.com/vf...
00:00 Introduction
00:30 Overview
01:35 Methods of 3d
02:29 Polycam
03:11 Fixing Geo
03:59 Use what's real
05:52 Dissolve patches
09:09 Break up parallax
11:18 Project from Max Res
12:23 NK202

Пікірлер: 36
@reed4109
@reed4109 Жыл бұрын
I truly appreciate the effort and dedication you put into creating accurate and well-presented compositing tutorials. It's refreshing to come across content that is informative and skillfully presented. Keep up the exceptional work, and know that your contributions are valued and appreciated.
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Thanks for your kind words! I'm glad you find the tutorials helpful. Your support motivates me to keep improving.
@carlosjolly8269
@carlosjolly8269 Жыл бұрын
Always learning a lot from your tutorials Alex! Really looking forward to NK707!
@charlesbrain5535
@charlesbrain5535 Жыл бұрын
Thanks, I can't wait to see a practical class on this topic plus wire removals. I love your tutorials. I love the way you break down things.
@Yoooooo0909
@Yoooooo0909 Жыл бұрын
Nice tutorial! Watching while doing some comp for work
@AnnisNaeemOfficial
@AnnisNaeemOfficial Жыл бұрын
Really really appreciate this! Thank you.
@riggsmurtah2788
@riggsmurtah2788 Жыл бұрын
🔥🔥🔥solid information Alex!
@rethinkrish5605
@rethinkrish5605 Жыл бұрын
great stuff mate 🔥
@saemranian
@saemranian Жыл бұрын
Good Job, Thanks for sharing.
@rossdanielart
@rossdanielart 7 ай бұрын
Bro, keep doing this stuff, I'm gathering the funds to make a purchase of your course. I like how you are tying your comp info with emerging tech. Hope this encourages you!.
@MONEYVAL9
@MONEYVAL9 7 ай бұрын
Hey i wanted to know how to do clean plate object removal on nodal pan shots and to add depth to the scene.
@jokerarthas42
@jokerarthas42 Жыл бұрын
I'm an after effects user but I always watch his tutorials. And hopefully one day I'll dare to install this Nuke by getting inspired by his tutorials :D
@CompositingAcademy
@CompositingAcademy Жыл бұрын
it's definitely worth the switch in the long run. I used after effects before, a lot of concepts will transfer over!
@jokerarthas42
@jokerarthas42 Жыл бұрын
@@CompositingAcademy Thanks for your reply. Yeah, 100%! no doubt! I die to see one day I'm working with Nuke smoothly. But it's something between me and node based programs TBH. I may need to talk a therapist for it :D
@nihilusedit1447
@nihilusedit1447 Жыл бұрын
@@jokerarthas42 I was the like you and now, when I try to learn a software which is not node based, it's painfull because nodes are really intuitive in fact
@jokerarthas42
@jokerarthas42 Жыл бұрын
@@nihilusedit1447 wow, I'd like to know how you could change like that. what's your secret my friend? :)
@jokerarthas42
@jokerarthas42 Жыл бұрын
@@nihilusedit1447 wow, I'd like to know how you could change like that. what's your secret my friend? :)
@PCmouse
@PCmouse Жыл бұрын
Hello! You are doing a very great job. Thank you very much! Will you be making a video tutorial on how to make a "fake hole" from your Shorts video?)
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Hey! Thank you. Yep that should be coming in the next week or two, I have pre-recorded some tutorials already so one will release per week
@nghiapham3870
@nghiapham3870 11 ай бұрын
Thanks for the helpful tutorial, would you please explain more about how to import the lindar scanner data into nuke?
@CompositingAcademy
@CompositingAcademy 11 ай бұрын
Hey there, this is just a geometry that the app creates. Polycam will create a .fbx or .obj file, and you can load this file into nuke using a Readgeo node. It was then manually lined up using a TransformGeo against the Cameratrack point cloud to make it match the scene.
@cobblesticks
@cobblesticks Жыл бұрын
Great tutorial as always! I'm curious as this isn't covered in your video, if you have a lidar scene, and then you track your camera, how do you accurately position the camera correctly in the 3D scene relative to the lidar data? Would also love to see a lidar scan video. Thanks
@daniyalaslam5916
@daniyalaslam5916 Жыл бұрын
I think you would use the point cloud that the tracker generates and line it up with the geometry on the lidar scan
@shadeeMVM
@shadeeMVM Жыл бұрын
Once you do your camera tracker you use your points (iuser tracked, I believe you can use the auto tracked points but idk) and link them to a vertex (right click (i think) -> user tracks -> and snap to vertex selection. you do this a couple times in different areas and it should be aligned fairly well if your lidar is accurate, you may need to adjust the x and y on your user track to shift it if its slightly off, sorry if this is slightly incorrect i dont have nuke infront of me atm. I prefer to do this in 3dequalizer tho, I think nukes 3d system is a little odd for me. I really like VFX tutors tutorial on matchmoving it pretty much achieves the exact same result the video is called "3DEqualizer Free PLE version Tutorial - Create a Matchmove Reel For FREE Pt.4"
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Pretty much what the other commenters said! I just lined it up by eye to the camera's point cloud. It's not completely perfect doing it this way, but it works. There is another way by using User tracks imported into the camera tracker, and you can pin features to geometry vertices, this article explains it: learn.foundry.com/nuke/content/comp_environment/cameratracker/3d_survey_points.html I haven't personally had to do this process in a very long time, usually with super detailed & tight tracks a Matchmove artist will do this process in Syntheyes or 3D Equalizer as those tools have really detailed ways of achieving super tight tracks. Working on films if a lidar scan was taken, before it comes to you usually a matchmove artist will line up the lidar for the compositors for the whole sequence, so the compositors will just load it in for whatever shot they're working on. Film lidar scanners are much more detailed than the iphone one, sometimes down to millimeter accuracy. In smaller studios, you might have to do this process yourself, but if it's a commercial studio having lidar in the first place might be rare unless the visual effects supervisor took the time to capture one. If it's a more complex shaped set they might take it, but it depends on the budget and time they had, etc. Even just lining it up manually though is a great thing to have for your own projects though. When I do my own projects I usually go around and capture whatever scene measurements with a measuring tape / lidar / HDR spheres, lens grid, etc - all the stuff a visual effects supervisor would capture on a film shoot. The more data you have later, it makes it easier to put CG stuff in and make sure it's all the right size / lighting / lens distortion.
@innanoshe
@innanoshe Жыл бұрын
by dissolved do you mean fades?
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Yep exactly, you can just use the mix control on a merge node to fade it on or off, or you can use a dissolve node if you want to blend between two different images on the same layer
@sharphin8419
@sharphin8419 Жыл бұрын
Can u make a tutorial about making this Lidar effect?
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Yep , will have that coming soon, already recorded! Aiming to post one full tutorial a week.
@bliccer9319
@bliccer9319 Жыл бұрын
I guess what you are looking for is the wireframe shader. If you mean the dots, then try to generate particles with the object as source + spread and velocity set to 0 Alex' video can be watched nevertheless when its out :D
@darviniusb
@darviniusb Жыл бұрын
Thank you for the tips but i want to constructively criticize something that probably you know and left out intentionally. The area of grass you replaced is darker then the rest of the patch because the object there is creating soft area contact shadows from the cloudy day and diffused light around it. If you remove the object you should correct the exposure of the patch to be similar to the grass around where is exposed to the sun/sky. Right now the attention is drawn to it by then small different in exposures and always take in to account the light and shadows contribution when removing stuff. Nice tutorial anyway. Thank you.
@CompositingAcademy
@CompositingAcademy Жыл бұрын
Hm yeah you might be right. I was reading at it as more just dead grass or darker patches of grass mixed in, but probably could use a slight brighten anyway since it’s supposed to be flatter as well
@nitinkashyap7545
@nitinkashyap7545 Жыл бұрын
@CompositingAcademy hi sir fractal blur note free use note
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