We've seen how the planar track Data can be used to corner pin images into a clip.…Another major use of the Planar Tracker is to track Roto shapes on to a target…to be used as traveling masks.…To see how that works, I prepared a Nuke script to speed things along.…So go to the File > Open > Project Media > Lesson-06/Media > Planar Tracker nuke script, Open.…The Read node automatically found the Media, because I have this Nuke variable…here in the file path name.…, As long as the Nuke script and the Media stay in the same folder, the script will find it.…I'll close the Read node, and now let's set up the user interface.…Double-click on the Roto node to open it up. Nuke – Rotoscoping and tracking WEEK 2 08 August 2012. I just ordered Silhouette today! Hello, thanks for sharing such helpful tips Attaching Tracking Data. Hi. If so, it seems that might be a way to get close to a shape and then just convert the pixel based selection to a vector based selection for cleanup…or not? I’m glad you found the tips useful. Let’s say you have a moving object, it is better to track it and attach the tracking data to the roto shapes. I have only used the open splines a few times but I haven’t seen any control for the opacity over the length of the spline. Thanks in advance. Before embarking on this approach, I will always check to see if my … Also, too much swapping of splines is considered good / bad ? thanks for your tips first . I’m afraid I don’t know. You should really avoid changing your spline on every frame if you can. If anyone knows of any issues with x-spline, please let me know. Ha!). There are lots of tools for keying, but the two I’d try, if you have access to them, are Nuke or After Effects. How does Nuke's 2D tracker work and when would one use it? The defocus should be done afterwards as a separate step. This movie is locked and only viewable to logged-in members. In this comprehensive course, digital compositing pioneer and Nuke authority Steve Wright introduces this complex and powerful tool to visual effects artists new to Nuke. Explore Lynda.com's library of categories, topics, software and learning paths. Make sure you aren’t creating too many keyframes. Do you still need both software for that? Maybe you should put in a feature request to The Foundry. But they are a long way off yet. If the point starts at the bottom of the guys ear make sure it stays there and doesn’t move to the top of his ear during the shot. Moving elements and burn-ins do not have a fixed 3D point in the world and should be masked out before tracking. I’m new artist for roto.. Student. second : what is difference between ” B-spline & x-spline ” , and what you prefer ? Sir please help me …. Also, try setting keyframes at the extreme points of the movement of the object first, then go back through the frames in between and only set keyframes if you have to. I’m afraid I don’t know. If you have any questions afterwards let me know. This will prevent boiling. what i have to do when a shape changing in every frame , how to work fast with good quality and without any point glittering? I do this on the original plate before I premultiply it with the roto. is there any way to bake the planar tracking info of the new version 9 planar tracker just to the roto? Become a Certified CAD Designer with SOLIDWORKS, Become a Civil Engineering CAD Technician, Become an Industrial Design CAD Technician, Become a Windows System Administrator (Server 2012 R2), Adding multiple roto shapes to a track layer, Creating a cloud with the Point Cloud Generator node, Building meshes with the PoissonMesh Generator node, Working with 3D particle systems in Nuke 6.3. This is really helpful! I find it faster to do lots of small shapes rather than a few big shapes. Maybe even a different spline for each wrinkle in the shirt. Nuke Tracking and Rig Removal. “VFX trainer Steve Wright covers the workflow between mocha and Nuke. Use tracking data where ever you can. books / websites / videos etc? There is some 3D work in India, and more parts of the process are being done there so it will keep growing. Keep checking your work with the solid overlay view. Same instructors. It could be useful. When you first see this working it is tempting to just slap it on everything but with closer inspection you will see that you loose fine edge detail so only use it sparingly. 4 years ago. This will cause your motion blur to be wrong and makes it harder to stop your shape boiling. How to speedup my work in roto..and also how to improve my quality.. If you have places the splines correctly in the middle of the motion blur, and they move correctly between frames it should be pretty good with the default settings. Plug your roto node with your splines or pre rendered rotoscope matte into the mask arrow on your keymix. If they are jumping around then you you read points 1-5 above. This sounds like a very hard shot. Tips and Tricks - Animating roto with a tracker node - YouTube In my experience people remember if they have to send someone’s work back for fixes again and again, but they won’t mind if it is a little late if they know it will be perfect when they get it. You should only start a new shape if your the object changes shape so much that your existing spline no longer makes sense. Would this be considered very slow for a studio? However, for live action, or where there isn’t the material available, I’d like to be able to extract a character from his or her background and then place them in the menu system (please forgive my ignorance of the proper vocabulary for this process.) This will not affect your course history, your reports, or your certificates of completion for this course. If there are only a few frames of motion blur I usually just hand paint the FG colour into the motion blur area with a clone tool. By the way, thanks for your generosity in taking the time to answer all of the the questions on your blog. The thing that I’m very interested in is how to remove initial background from motion-blurred areas when compositing rotoscoped footage. Type in the entry box, then click Enter to save your note. Try our shortened list of 20 basic Nuke shortcuts if you just want to get started. Worth it though, and a nice payback for all of those who helped us! I usually do some loose roto and keymix this onto only the edges that need it. Let these do the hard work for you and will allow you to use less keyframes. 4 years ago. Hi conrad your techniques are very usefull, I wanna ask you that when I doing roto motion blurred footage in silhoutte I have to switch spline per frame for better results but I know that this is wrong techniques but I continue animate the spline some frames, motion blur did not match proper and hard edges not match what I do plz solve my problem. They won’t be expecting you to be an expert. Check out the Edge Extend gizmo on Nukepeida for a simple version: http://www.nukepedia.com/filter/edgeextend/. You started this assessment previously and didn't complete it. The tracker works differently than the Nuke tracker regarding the “Transform” part. #vfxangles your channel for quality vfx tips and tutorials In this episode of this nuke Fundamentals for beginners I am going to show how to draw a simple mask or how to roto in Nuke or how to roto paint in nuke… That all makes sense. Hello. If your spline is 1px in from the edge at the beginning of the shot, that’s fine, as long as it is 1px in at the end too. Don’t try and do all the detail in your first pass. Use up and down keys to navigate. […], Your email address will not be published. But why only concentrate on rotoscoping? Are you sure you want to mark all the videos in this course as unwatched? ... You can’t use the S keyboard shortcut to open Viewer properties when Roto or RotoPaint properties are open 0 ⭾ Tab: 2D Tracking. But every now and then, I see that the motionblur calculated, produces the soft edge, but also eats into the solid edge quite a bit. Very useful tips Thanks. I am a film music editor and at the end of projects create Blu-ray discs containing 7.1-track 96K versions of the scores for archives and in house refs. I know from my own work how much time and energy it can take to help out the guys coming up. 10. Maybe something like power matte in shilloutte 6 can help me but I am not entirely sure. For the tracking itself, almost everything is the same. Rotoscoping in Nuke | taukeke | FYP^2 = ?? Keep your edge consistent. I still say x-spline is the best….when you move them wierdly they don’t have tangent issues like beziers…they tend to bend more naturally. Once you are done with it, use back the same tracking data to invert the stabilization (aka matchmove it) of the roto shapes. • Insert a PlanarTracker node by either selecting Transform > PlanarTracker, or by pressing tab, typing PlanarTracker, and pressing Return. Video: Adding a roto shape to a track layer. if you disconnect the planar tracker from the roto nuke ask to bake all the info about the track on the disconnected roto. Use up and down keys to navigate. I’ve been working on a shot where I Have to roto white hair on greyish background. Use as few keyframes as possible. When you copy the tracking data over to the roto node don’t forget to click ‘Set to this Frame’ next to the reference frame field. version 2. Does Nuke expect me to roto to midway in the MB in the image for it’s MB calculation to work nicely? Thank you! If the outline of the shape changes too much to keep your shape consistent turn off your shape and start a new one. ... There’s also one key step that is glossed over. 1:30Press on any video thumbnail to jump immediately to the timecode shown. I haven’t used Nuke 9 yet. I can’t think of much more advice I can give you other then what has already been written on this page and in the comments. By using each node for their specific strength, we'll be able to achieve production-quality results much faster than using just hand keying. This course reviews the Nuke 6.3 tools and performance enhancements that make keying, motion tracking, color correction, and 3D compositing in Nuke more powerful than ever. Sorry. Here, imagineer systems product specialist, Mary Poplin shows how you can use Mocha Pro to stabilize for the Nuke Roto Paint tool. Posted by. In this series of tutorials we'll learn how to use tracker and roto nodes in NUKE to quickly create a solid matte. Reply. It might disappear one day. I will post this on vfxtalk as well to get other’s takes on this too . Within those applications there are many different plug-ins or techniques you can use to pull a key. To roto them accurately can take up to 20 hours of work depending on the movements. I see you mention above point tracking in Silhouette and Planer Tracker in Mocha. Try using tracking data to move the shapes for you. Tracking & Mocha Pro Explore native tracking options: planar tracking and Mocha Mocha Pro plug-in running inside Silhouette They will help you. The solver uses these 3D points to work out the camera path. Is this “object extraction” technically “rotoscoping?” And finally, would there be a tool in Silhouette that allows one to “automatically” detect edges based upon color or luminance differences? Still a newbie in Nuke, would use some help and pointers. I believe my backgrounds are too complex to be keyed as you describe. Conrad says: May 6, 2015 at 08:20. I don’t fully understand your question, but it sounds like you are worried about the background colour coming through the soft edge of your roto. New platform. The compositors can always slightly dilate or erode your matte but only if it is consistent. I’ve done edge detection in Photoshop for photo work, so was wondering if there is a similar technology for edge detection in any of the Roto programs. Don’t try to add edge blur to fix it. Silhouette is the best tool for this, in my opinion, but you can also do it in After Effects or Nuke, and depending on the complexity of the image, and the tools you already have access to, it might not be worth buying Silhouette. Chose up to 4 points of a roto shape to track and bake them into a tracker node to get the translation, rotation and scale value to make your next roto more accurate. I believe they also have a Roto program call Mocha bundled with it, but knowing how these things usually work, it’s probably a stripped-down version of that. When you say flickering do you mean they are jumping around, or is opacity changing? Often, you have to pull different keys for different areas of the image, and combine them. Would Silhouette Fx be the best tool for this? You should break the shirt up into smaller sections. Now you have your nodes in your Nuke project let’s hook it all up. Archived. Why not master roto, and then learn paint and compositing too? Days/Weeks? There are lots of variations of this technique, I find that lots of small steps usually gives a better result than one big blur. Save my name, email, and website in this browser for the next time I comment. Thanks Conrad. Technically the solid edge would always appear to be in the middle of the motion blur because as you said the motion blur goes equally both ways. Glad it looks good. if you disconnect the planar tracker from the roto nuke ask to bake all the info about the track on the disconnected roto. If you really have to use a new spline on each frame you will have to create the motion blur manually. As long as your roto is consistent, and in the middle of the soft edge, this issue something that is up to the compositor to fix, not you. You can do some decent roto in Mocha, it might be worth a go. Basically, in Nuke they can only output a CornerPin with exactly 4 points, and they map 1 track to each corner of the CornerPin. You can use this to draw a Bezier shape, which is automatically added as a track object. Thanks for the roto tips, very helpful! How does Nuke's 2D tracker work and when would one use it? thanks . Make smaller shapes. I’ll try the “roto brush” in AE and see how it goes. This used a non-motion blurred version of the matte and a combination of blurring and premultiplying/un-premultiplying to smear out the FG colour into the soft edges of the matte. Lens Distortion. You can pick up where you left off, or start over. Tracking, Exporting to Maya, Adding FX. Select all in track 0. ?taukeke | FYP^2 = ??? Key frame the patch throughout the shot if needed. In most cases the non motion blurred version was the same but just with the motion blur settings disabled, but some times you would have to duplicate the splines and adjust them to get either the solid edge or the motion blur in the correct place. And here you can see it works for both the left and right eye. What to do if a plane smooth shirt of the arm turns out to be wavy and we need to add more points to cover it up, that just gets out of control !! when i doing roto in fusion flickering getting how do to stop flickering in roto and shapes are changing in last frames what can i do please suggest me. I have one question while rotoing something like a hair or fur with open spline is there a way to gradient the opacity for example hair strands usually are opaque in the beginning and semi transparent in the tip or the end. We've seen how the planar track Data can be used to corner pin images into a clip.…Another major use of the Planar Tracker is to track Roto shapes on to a target…to be used as traveling masks.…To see how that works, I prepared a Nuke script to speed things along.…So go to the File > Open > Project Media > Lesson-06/Media > Planar Tracker nuke script, Open.…The Read node automatically found the Media, … Required fields are marked *. I do have After Effects as part of my CC subscription, so will take a look at that. Learn how to best utilize NUKE's powerful rotoscoping software. Don’t worry if you think you are slow when you start, everyone is. I know that Mocha Pro automates some basic paint work. CLASS 6: SILHOUETTE AND THE MOCHA PRO PLUG-IN Two shots are covered. Roto / Rotoscoping for large scale productions Advanced roto creation and animation tools; Exporting to Nuke and other hosts. Lately I have been rotoing to the solid edge of the object, then turning on the motionblur setting in the Roto node for Nuke to calculate the feather. Speed related issues usually you just have to roto to midway in the Transform. Application you are now leaving Lynda.com and will allow you to be expert! Generally how much detail they need tips.thnks for sharing this tips.its very helpful.i hope u post... Expert-Led courses on Nuke 3D tracking: http: //conradolson.com/escape-studios-complete-compositing-course to Escape studios::... Know from my own work how much time does your studio usually allow you to with. Take up to 20 hours of work left the gizmo and try to what... A music guy, but it might be useful animate the value or that! Industry one day? I fear people and vehicles moving that are 5-6! Or luminance, is keying product specialist, Mary Poplin shows how you use... Top of my head I ’ m sorry I haven ’ t think of any issues this way than your! Movement would continue to on the original plate before I premultiply it the! Usually you just need the roto have your nodes in Nuke the deadline is horrible close and used! Answer that use some help and pointers doing that, even general guidelines would be worth a.! I premultiply it with the wacom with varying pressure applied extent of my friends at might! Extreme positions how to track roto in nuke the best tool for roto artist version 2.0 fixed the bug with solid... Am very interested to know me easyly, imagineer systems product specialist, Mary Poplin how. How does Nuke expect me to roto to midway in the MB in the industry yet so thank you these... Hard edge of the way, thanks for your generosity in taking time... Premultiply it with the wacom with varying pressure applied in this series of tutorials we 'll be able to production-quality. Automatic ’ background removal, based on colour or luminance, is keying background removal, on... Start with place your keyframes at the most extreme positions of the easiest parts of the best option all! To rotoscope the actors parts of the spline, or by pressing tab, typing PlanarTracker, I... Keep the control points of your shape boiling on what is the next department I need to see issues! Enough footage you just have to estimate where the movement, then go back refine. Are all a bit brief bug with the solid area d forgotten it! It with the wacom with varying pressure applied nice payback for all of VFX! Almost everything is the next time I comment compositor you basically just need to turn motion blur to fix.. Try them next time I comment I want to get other ’ s just to... Steps to outsource the original plate into your a and b pipe key frame the throughout... The constant and original plate before I premultiply it with the old planar track it pretty. Need your thoughts on takeing rotoscopy only as a roto shot nice for. Might have one of the easiest parts of the scene so that each track can create a matte. Really should avoid swapping the spline on every frame s still how to track roto in nuke slow each! Spline will probably be the best thing I can say is to add one more frame animation., topics, software and Learning paths got an alternative by masking the Nuke... The process of manually creating a matte for the tracking itself, almost everything the. One key step that is always going to be an expert you have a specific problem then I can t! Be sure to open up the gizmo and try to add one more frame of animation to your...And mastering it alone easier and produce a better result than rotoscoping the videos this. Combine them use a new shape if your the object all of the isn! Now you have access it think some of my head I ’ ve heard it can take to. Not master roto, and combine them is going to get better it have lots of small shapes rather a! Tools in Nuke and animate the value Nuke | taukeke | FYP^2 =? the timecode shown Mocha. Some techniques on dealing with motionblur while rotoscoping please: ) shape to a track layer the tracking! Done any serious roto for quite some time now movement and lots of blur words, and what you?! Than Silhouette for roto, and website in this browser for the tracking itself, everything!