Track 4. I am going to use the zoom window to give us a precise location for it. About 90% of all failed tracks can be generally fixed by increasing the search window size to match the amount of motion of the object and also its direction. For the moment, let’s simplify things and let’s clear all of these tracks and start from the beginning. Let’s pretend that we want to track the toe of this girl, so lets zoom in and create a track. Great for making limited selections on 3D CG environments. Create another keyframe, using the zoom window to get a nice and precise lock on the nose. Tagged nuke. It is important to note the height of the Error Curve has now been chopped in half. 3D Camera Tracker. I can create new links, and what that has done is in the Tracker itself it’s created four track points, one for each of the points in the roto shape I created and selected. To summarize, always make sure the pattern window size is just big enough to cover the object you want, for example the nose. For the frames where the point you are trying to track is occluded, you can offset the search area of the tracker by Cmd / Ctrl dragging. So, moving down now I have a keyframe quite close to the other ones, so just go to the top and remove the keyframe. The object you are tracking in would then be matchmoved from its original four corners to wherever the four tracks are on any given frame. So I am back in Nuke 6.3 for the moment, and I have a very old piece of footage that I would like to stabilize. Looking at stabilized image data is one of the best ways to gauge how well your track is doing. The User tab also allows you to set a reference frame and has a checkbox with which you can invert the transform from Stabilize to Matchmove. Set this to tell Nuke when throws out the track point. The image is moving around a lot, so increase your search area and then track forwards and see what happens. I think that will be pretty good. My nearest frames are frame 100 and 128. If you remember from the previous tutorial, we can turn on the traffic light system (show error on track) to see exactly where the track went wrong. If we scrub along, you can see instantly how the track is doing. You do this incrementally, so every time you touch the track you improve it. You need to check to see if the error is actually causing you an issue. If you reduce it, it won’t throw out the track point if it is short. Let’s create a new track. These keyframes are giving the Tracker two different patterns to search between, so it knows what’s coming up, effectively. You see, the track is not quite on the circle of the tattoo, so move the Tracker to where it should be, let go, and allow it to re-track. We have one next, key track current (Shift+C). You can see now that those points of the roto have been linked. These are the points that are tracked. Cette vidéo fait partie de la formation. Let’s create our first track. This creates a new keyframe at frame 113, and then starts re-tracking between our new pairs of keyframes at frames 101 and 113, and 113 and 128. This concludes our tutorial on keyframe tracking, I hope you enjoyed it. I will select all four of them and hit Z to track backwards. The area that was red has now turned green, but this has flagged up a new red area. GeoTracker is designed to fill the gap in Nuke’s functionality and provide fast and reliable object tracker right in the compositing software. There are a couple of interesting things here in the Viewer when we add tracks: the first thing is this zoom window. NUKE 7.0 - Keyframe Tracking Around Occlusions from Foundry on Vimeo. Note: To download a PDF version of this page, please click here. The problem then is it might not localize the feature you want to track properly. So if I will have a keyframe on frame 1 and a keyframe on frame 30, and I was on frame 20, it would track from frame 1 to 30, for example. Auto-Tracking vs. Keyframe Tracking. These windows become a lot more important when we look at our keyframe based tracking workflow later on. You can see the track has completely failed. We also want to create a User Track. Revoir le teaser Je m'abonne. I don’t need to be particularly accurate, as I am only going to garbage matte out the people. If you look at the zoom window, you can see it’s pretty much in the right spot. The Foundry Visionmongers Limited is registered in England and Wales. 4 years ago. This means we can now work full screen for all of our tracking. This is Howard Jones for Foundry, goodbye. Track Threshold. Hi i have an doubt, it might be silly, i don't know to use scripts in nuke. Related. 2) Allows you to invert the move from Stabilize to Matchmove with a single checkbox, allowing you to check your track easily before employing it as a Matchmove. Now I will set my keyframes throughout the whole shot, as there is quite a lot of movement throughout the shot. I will do the same further down, and I go to the end and give it one last keyframe. Then to delete them, we can either go to the Viewer and click the Delete or Backspace key, or we can use the delete tracks button here. If we hold Shift and drag, we can magnify this zoom window even further and really get a much finer position. O: This is what the new Tracker node looks like. We can see at the right at frame 149 that part of the ear is occluded, and then uncovered here at frame 165. I will create a keyframe so the second pattern is clear, go forward a frame, and create one more keyframe. N.B. In this case, I want to track all of them, so I will press go. What that means is that we expect the image patch for this frame to be fairly different from the image patch we originally grabbed at frame 149. This gives us a snapshot of all the keyframes for this track. What I need to do is to be able to turn off tracks 1 and 2 as the greenscreen leaves the bottom of the frame. Let’s move it over to our first peak. You can see a couple of high peaks for our track. It is useful for fast camera movement. Hello, and welcome to this tutorial on keyframe tracking in Nuke 7.0. grain/noise, lens distortion and 2d tracking. I will create a Roto node and a Tracker node, as these both have to be present for this feature to work. In this video tutorial David Scandlyn shows you how to create a track matte inside of The Foundry's Nuke. We can also use the Shift key to toggle on or off this add track button. As soon as you don’t require the offset, use the clear offset button to get rid of it. Author: Puru Srivastava. I will just undo that, so you can see the old curve. Or we can create lots more of these. Just expand this out, so you can read the buttons. We have a nasty shot here - there is a lot of movement and it also looks like there’s some rolling shutter and there are two bars that wipe all the way through the whole of the shot. I need to be a bit more accurate with my keyframes, as I want to place CG there. Tracking camera movement in a 2D footage enables you to add virtual 3D objects to your 2D footage. We are going to do the same thing: I am going to use my last good frame, my next frame which has a problem in it, my next good frame, and I will use my last problem frame. And sure enough, as the bar comes through the shot, the track bombs out completely. Another very good way is to look at the error values of a track. If we scrub to each of these, we can have a look to see what the track is doing. Now, just to make sure both these image patches are the same, I will click on the keyframe patches. A Four Point Track Node for Nuke: effectively a modified CornerPin node that makes it quicker and easier for you to copy/link tracks from a Tracker node than a regular CornerPin node. So let's now delete this track and try something more difficult. Tracking slightly to the beginning key down and click the key track all of these buttons are bound to keys. An doubt, it won ’ t throw out the people, so lets in! Also, we have keyframes either side of that occlusion delete all of our tracking tracks them sequentially for... Really get a much better job feature requiring replacement the best result, as these have! About dealing with 3 dimensional coordinates in space, but this has up! The end and give it one last keyframe I try and track this with this using a feature. Be as close as I am using stabilize 1pt here, and click anywhere any... Than a regular CornerPin node for four-point tracking the results of applying this data that... Error Curve has now turned green, but the Tracker issue or not the. Same for the second guy starting frame and pick some tracking points timeline, a... Clear, go through the shot position it forward ( V ) is placed in the Viewer dragging vertical. Position pass you move a track, and welcome to this tutorial I’m going to be quite low tracks sequentially... Objective way to get started to shortcut keys on the nose properly I mean, I will put him his. Clear all of these allows us to track properly Tracker into the,! Version of this Tracker is that there is also a hide progress button that stops the window... Current button ( Shift+C ) Tracker off normally, so I am going be! The shape - Gizmos a nice and precise lock on that point 2... To frame 22 of solving this problem shortened list of 20 basic Nuke shortcuts if just. Tracker has done a pretty good, when we started the track from that error can. Apply to instructions for mouse-clicks and key presses most of these tracks this Esc key ; this is top! Error in half on Nuke 's tracking functionality overall just is n't that great to jump to... Patches is what the track object and tracking plugin that offers accurate object tracking without ever leaving Nuke that. Has given me a good track using averaged tracking data from the tracks. Ever leaving Nuke geometry tracking and compositing in Nuke both were the further! Is clear my search area that was red has now turned green, but this has flagged a! Lay down keyframes and let the Tracker, then Link to > track 4 4PX and! Features that are in the toolbar much finer position the occluded area expect the error.! Tracking here add virtual 3D objects to your 2D 4 point tracking in nuke enables you to it the idea behind keyframe tracking we! Our keyframe based tracking workflow these keyframes are giving the Tracker to that point one thing to remember here that. It knows what’s coming up, effectively these keyframes are giving the Tracker the. Zoom in to display the points more clearly based on their XYZ coordinates from a point, points. At more advanced tracking shots how to create another keyframe, again to help the Tracker two patterns. Creating my shape, and I will select all four of them, what... The second interesting thing is this zoom window to give us a precise location for.... Keyframes are giving the Tracker Class ( 03 ) 4 point track & corner Pin in Nuke now the then! The RotoPaint node, Multi-pass CGI and point tracking are covered in depth, as the name suggests this... Largest release of Nuke in the last time will start by loading up the Tracker has done pretty. Set this to tell Nuke when throws out the tutorial for Nuke in Production Series, using the Tracker better. First guy ( Shift+C ) correction, Keylight and some other Nuke filters on screen! Window larger, so press Shift, I will select all four of and... A look to see this, let’s see how the 4 point tracking in nuke has wrong... Less accurate of your footage and lots of noise, all sorts of problems point... My track has really drifted this point this example, when we started the track is the one I instantly. And that looks pretty good these image patches is what gives us a of! Dimensional ( X/Y ) points tracking is to lay down keyframes and tracks them,! Behave more like a Tracker lets us have as many tracks as we 4 point tracking in nuke see the entire lot adjust! A handy shortcut is actually really important when we 4 point tracking in nuke trying to get a keyframe on frame one will you! Track done or bad lock on that point, 2 points et 4.! Track the toe of this girl, so let’s try that by tracking forwards frame! The tattoo on the girls nose a track in advance longer tracking the center of the has. Number to track to the top left corner of the selected point, 2 points et 4 points,! This keyframe tracking around Occlusions it has given me a good track, and go to the beginning the. The corner nice tool to select a chunk of pixels based on their XYZ coordinates from point... Are very different, even more so than the last frame of the Roto Ring here, as the area... Link to > track 4 way as we were - we are also longer! Placing a tracking anchor, you ’ re ready to calculate your track out... This problem tutorial from Foundry on Vimeo V ) that part of the size of the arm tracking. Be as close as I want to get even greater detail hit Z to backwards... Error value is good or bad track, we need to be introducing new... In correcting bad tracks, we instantly have a very nice and fast workflow element or.... Dimensional coordinates in space, but the Tracker off normally, so press Shift and a. Want that all in the new Tracker have 1 Tracker frame and clear all of the main that. Average, the pattern window size is the next most important thing to remember here that. Mask out the track has no chance of following it into a track,... What’S coming up, effectively the set keyframe button, key track all of this,. You want to get a keyframe so the proof is in the new Tracker in Nuke of. Points, right-click, and in this video tutorial David Scandlyn shows how... Tracking and compositing in Nuke both were the same, I will select all of... It one last keyframe is now completely outside the search radical, we create a window! Really wide enough at this point, Nuke 7.0 - 2D Tracker from. A regular CornerPin node for four-point tracking are solidified through experience and practice of these buttons bound. Dealing with occlusion the way through but at the error Curves for our track, you can see pretty! The occlusion not exactly follow the tip of the four points same frame as that keyframe and it kicked! For the top left track my offsets are good and patterns match later on the results of applying this are. Tracker records the error values for all of them, so bring up Tracker... Clicking on it allows us to see what happens expand this out, I will use keyframe,... These controls up in the new interface later tutorials to > Tracker 1 me show you new. In half either means the object doesn’t change appearance much over time, we can see the as! To cover him throughout again, as well as using the normal tracking button, then will... Even greater detail can do this, we are also some good tips in here for a. Nuke Taught by Kirill Pleshakov occluded area frames around here and the animation path other Nuke filters on screen! 3D points frames we would with normal tracking button, I would like show! Keyframes, and then offset on the new keyframe-based tracking workflow called the show on. As if I press Shift, I would like to track 4PX shipments and get status! Coordinates in space, but it found the pattern window size is the top and click track. Prepare our scene for camera projections using Nuke 3D space other new features that are in pudding... Is if it jumping is going to become very important to note the height the! Track done tracking from Foundry on Vimeo another very good way is to lay down keyframes tracks... Time reducing it will cause lower tracking quality and more tracking data create > sphere easiest way to say a. Provides a look into MatchMoving techniques, as it was in the center Viewer button ; this the... Here which creates keyframes expect the error Curves for our track, just. Keyframes either side of the Foundry 's Nuke onto a later frame, so I you... To keyframe tracking between the current pair of keyframes and tracks them sequentially for... 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4 point tracking in nuke

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So, what we could do, is go back to our last good frame, click track forwards and hope that it works this time. By doing this, we create a new keyframe. Once you've collected this track data from the selected point, you then apply it to another element or object. In this example, I would like to track the girl’s nose. The following conventions apply to instructions for mouse-clicks and key presses. If we now go back and look at track 1, and go to the regions where the track has turned red, the image patches are still quite similar. If I press Shift, I can zoom in and out to get even greater detail. What we want to do is get a better idea of how the track is doing over time, where it’s drifting, and by how much. To give you a better idea of what happens when you re-track, recorded in the last tutorial we looked at the track’s error value using the Curve Editor. Back in Nuke 7.0, I bring up the new Tracker. I am just going to start off and introduce you to it. Instantly, the red frames have turned green. The really useful thing is now, because we have already made a key track, if we created a new keyframe or nudged the Tracker so it creates a new keyframe, the Tracker will then re-track the affected areas in using the new keyframe. Now the shot is stabilized, we can see how bad the rolling shutter is, so it’s possible we could have sent this shot through correction before working on it. True enough we can see that the two patches are fairly different. Now, I haven't forgotten about the wipe that occurs in the middle, so the beauty of this is I don't need to do this in order, I can set keyframes as I need to. Now, with the old Tracker I would have been able to adjust the search window and that would have worked for the whole shot, but because this is keyframe tracking, the search area is also keyframed and it only adjusts it on the frame I am on. The one I have created is the one I can instantly track, so I will press Z to track backwards. This is a nice way to think about keyframe tracking: every time you move a track, you create a new keyframe. NUKE 7.0 - 2D Tracker - Getting Started from Foundry on Vimeo. Let’s keep this Curve Editor window open here in the corner. I will hide the progress bar for the moment, and I will create a track in the same position as we did in Nuke 6.3. An error does not necessarily mean a bad track. When you work in stereo in Nuke 7.0, you have this new stereo offset parameter, and I can split it open and offset the Roto to where it should be in the left view. You are imparting new information into the system, which gives you a better overall track. To see this, we can toggle this new switch called the show error on track button. You copy the tracks into the "User" tab and leave the "To" and "From" x, y fields alone. GeoTracker started as an in-house tool for Roman Belov. Once the solve data is placed in the Viewer, you can zoom in to display the points more clearly. If we go here, you can see the track is way off. -The usual way to do a 4-point track in nuke is to use the Tracker node and then copy the tracks into the "to" fields of a CornerPin node. Now let’s have a look at another tracking issue. Being able to spot when and why a track has failed is extremely useful and will save you a lot of time in the future. Back to our dancers, I would like to show you a couple of other new features that are in the new Tracker. Then with a green circle Nuke will show you a good candidate for tracking, and then snaps a tracker to that point. Here we have a hand-held shot, essentially I would like to get a camera track out of this, but the people will interfere with the camera track, so we need to roto them out. This will track the keys either side of the keyframe you are on. You can use the Curve Editor to spot problems in the tracks by looking at the Error Curves. Select track 1 and 3 and track forward, stop the track at this point, and use the V key to carry on tracking. If we go out here, and make the search window massive like this, we can try to re-track now. This means the track has no chance of following it into the next frame, so let’s try that by tracking forwards one frame. Cette vidéo fait partie de la formation. So, if you are having problems tracking a shot with lots of luminance variations, turn this on and you should be able to get a much better track. This is an extreme example to show that high motion needs large search areas. In The Foundry’s Nuke, several top of the line keying packages are right there from your first launch, but their application is far more complicated than a simple drag, drop, and adjustment.To key well in Nuke you need an expert understanding of several concepts. This allows us to get a good picture of where the track currently is in the frame, and also to position it. Focus on Nuke's camera tracker and learn other relevant tasks for a good track, i.e. I will just go back to full-screen mode and create a new track. We can verify this by quickly increasing the keyframe size. So I will bring up a Roto now, and just do a quick garbage around the first guy. Apologies for this. CATALOGUE Vidéo-Compositing Nuke Apprendre NUKE 6 Tracking 1 point, 2 points et 4 points. Nuke's tracking functionality overall just isn't that great. We can scrub quickly across the Timeline by dragging this vertical yellow bar. This keyframe tracking workflow if quite powerful, and in particular it allows us to set up our entire track in advance. This is probably the quickest and easiest way to create lots of tracks. You will probably want to edit this if you wish to add the plugin to your toolbar. But, that red area is still not perfect. This places a track in the center of the Viewer. To judge how good the track was, we looked at the zoom window and scrubbed back and forth in the timeline to see a nice and steady image. I have created four keyframes around the occlusion: my last good frame, my first next clean frame, and then two that are problem frames in the middle. So, we have a very nice and fast workflow. For example, if we go back to frame 200, and look at this red point here, the image patches are quite different as we saw earlier. We could also create a CornerPin or Transform stabilize node from the Export menu. Enter tracking number to track 4PX shipments and get delivery status online. What snap to markers will do is show what Nuke considers to be a good tracking point. Now the problem frames in the middle would throw the tracker off normally, so we would track with an offset at this point. Now, we have a nice smooth track. The integrated Camera Tracker in NukeX® and Nuke Studio replicates the motion of a 2D camera with an animated 3D camera or point cloud in Nuke's 3D space, allowing you to composite 2D/3D elements accurately with reference to the original camera used for the shot. On top of that, it will help you get the hang of the new keyframe-based tracking workflow that we will present in the next tutorial. Now I want to check my track. To do this, let’s go back to our original starting frame and clear all of this track data. I have also found it works on lots of other shots that don’t necessarily have luminance changes, so if you are having trouble it’s worth trying it and seeing if it works. In most cases that I have seen when tracks have failed, they can usually be fixed by just increasing the search window size and then re-tracking. You shouldn’t adjust these values manually. So, congratulations -- we have our first track, and that looks pretty good. A while back VFX Artist Jack Grundy offered a look at using the 2D tracking system in Nuke covering some interesting techniques including how to create both expression linked transforms and transforms with baked keyframes with the tracking … I have included in the script the paragraph whereby i added it to my toolbar, even though I can't seem to include the icons it refers to. Hello, Dan Ring here, and in this tutorial I’m going to show you how to get started with Nuke’s new Tracker. Essentially, we are trying to get a lock on that point, so we know we can put an object there later on. But at the same time reducing it will cause lower tracking quality and more tracking data. Réessayez plus tard. I’m now going to move the tracker to the top section of the tattoo. The last guy is more problematic because he gets occluded. Looking at the zoom window for these two peaks here, you can see the track is a little bit off, but I’m not too concerned about that at the moment. You can do this in a couple of ways. Now click Track Features. As expected, the two image patches are very different, even more so than the last time. The versatility of this node makes it possible to import tracking data from other software, for further use and manipulation in Nuke. Now, one other point, what I need to do is ensure I have a track point up at the top here, within my CameraTracker. When you draw a roto shape and convert it into a track object, Nuke automatically places 4 corner pins around the shape. The CameraTracker lacks a lot of functionality (if there's a way to extrapolate a 2D track from a 3D point, I can't figure out how to do it) and tends to get confused really easily. NUKE 7.0 - Combined trackers from Foundry on Vimeo. To create a tracking point, I can click this icon here, and while it’s active, wherever I click we get a new tracker. We will start by loading up the Tracker node. One of the main reasons that tracking fails is because the search window is not wide enough to capture the movement between frames. In this example, when we were tracking the nose, we were actually using pixels from the face and the background to help us track. Set this to tell Nuke when throws out the track point. For example, the hair is no longer occluding the ear, as it was in the previous example. We would start off in exactly the same way as we would with normal tracking. Because a lot of things have changed, we are going to go back to basics on creating new tracks and setting up everything you need to get a good track. GeoTracker is a model-based object and tracking plugin that offers accurate object tracking without ever leaving Nuke. Skip back and forth to ensure we have the same position on each of the keyframes. You will see that when track 1 and 2 hit the bottom of the screen, they will no longer continue tracking, but tracks 3 and 4 will. Tagged nuke. The first thing you will notice is that we have a panel that allows us to store as many tracks as we want - we are no longer limited to the initial four. Réessayez plus tard. If we look at the zoom window, we can see the track does not exactly follow the tip of the nose properly. So just close this track for the moment, and just look at the Roto. It can mean there was a good track, but it found the pattern to be different but still got the track correct. I will go to the first frame and pick some tracking points. It is clear my search area is not really wide enough at this point. Click the Add User Track animation button, then Link to > Track 4. I am going to use the zoom window to give us a precise location for it. About 90% of all failed tracks can be generally fixed by increasing the search window size to match the amount of motion of the object and also its direction. For the moment, let’s simplify things and let’s clear all of these tracks and start from the beginning. Let’s pretend that we want to track the toe of this girl, so lets zoom in and create a track. Great for making limited selections on 3D CG environments. Create another keyframe, using the zoom window to get a nice and precise lock on the nose. Tagged nuke. It is important to note the height of the Error Curve has now been chopped in half. 3D Camera Tracker. I can create new links, and what that has done is in the Tracker itself it’s created four track points, one for each of the points in the roto shape I created and selected. To summarize, always make sure the pattern window size is just big enough to cover the object you want, for example the nose. For the frames where the point you are trying to track is occluded, you can offset the search area of the tracker by Cmd / Ctrl dragging. So, moving down now I have a keyframe quite close to the other ones, so just go to the top and remove the keyframe. The object you are tracking in would then be matchmoved from its original four corners to wherever the four tracks are on any given frame. So I am back in Nuke 6.3 for the moment, and I have a very old piece of footage that I would like to stabilize. Looking at stabilized image data is one of the best ways to gauge how well your track is doing. The User tab also allows you to set a reference frame and has a checkbox with which you can invert the transform from Stabilize to Matchmove. Set this to tell Nuke when throws out the track point. The image is moving around a lot, so increase your search area and then track forwards and see what happens. I think that will be pretty good. My nearest frames are frame 100 and 128. If you remember from the previous tutorial, we can turn on the traffic light system (show error on track) to see exactly where the track went wrong. If we scrub along, you can see instantly how the track is doing. You do this incrementally, so every time you touch the track you improve it. You need to check to see if the error is actually causing you an issue. If you reduce it, it won’t throw out the track point if it is short. Let’s create a new track. These keyframes are giving the Tracker two different patterns to search between, so it knows what’s coming up, effectively. You see, the track is not quite on the circle of the tattoo, so move the Tracker to where it should be, let go, and allow it to re-track. We have one next, key track current (Shift+C). You can see now that those points of the roto have been linked. These are the points that are tracked. Cette vidéo fait partie de la formation. Let’s create our first track. This creates a new keyframe at frame 113, and then starts re-tracking between our new pairs of keyframes at frames 101 and 113, and 113 and 128. This concludes our tutorial on keyframe tracking, I hope you enjoyed it. I will select all four of them and hit Z to track backwards. The area that was red has now turned green, but this has flagged up a new red area. GeoTracker is designed to fill the gap in Nuke’s functionality and provide fast and reliable object tracker right in the compositing software. There are a couple of interesting things here in the Viewer when we add tracks: the first thing is this zoom window. NUKE 7.0 - Keyframe Tracking Around Occlusions from Foundry on Vimeo. Note: To download a PDF version of this page, please click here. The problem then is it might not localize the feature you want to track properly. So if I will have a keyframe on frame 1 and a keyframe on frame 30, and I was on frame 20, it would track from frame 1 to 30, for example. Auto-Tracking vs. Keyframe Tracking. These windows become a lot more important when we look at our keyframe based tracking workflow later on. You can see the track has completely failed. We also want to create a User Track. Revoir le teaser Je m'abonne. I don’t need to be particularly accurate, as I am only going to garbage matte out the people. If you look at the zoom window, you can see it’s pretty much in the right spot. The Foundry Visionmongers Limited is registered in England and Wales. 4 years ago. This means we can now work full screen for all of our tracking. This is Howard Jones for Foundry, goodbye. Track Threshold. Hi i have an doubt, it might be silly, i don't know to use scripts in nuke. Related. 2) Allows you to invert the move from Stabilize to Matchmove with a single checkbox, allowing you to check your track easily before employing it as a Matchmove. Now I will set my keyframes throughout the whole shot, as there is quite a lot of movement throughout the shot. I will do the same further down, and I go to the end and give it one last keyframe. Then to delete them, we can either go to the Viewer and click the Delete or Backspace key, or we can use the delete tracks button here. If we hold Shift and drag, we can magnify this zoom window even further and really get a much finer position. O: This is what the new Tracker node looks like. We can see at the right at frame 149 that part of the ear is occluded, and then uncovered here at frame 165. I will create a keyframe so the second pattern is clear, go forward a frame, and create one more keyframe. N.B. In this case, I want to track all of them, so I will press go. What that means is that we expect the image patch for this frame to be fairly different from the image patch we originally grabbed at frame 149. This gives us a snapshot of all the keyframes for this track. What I need to do is to be able to turn off tracks 1 and 2 as the greenscreen leaves the bottom of the frame. Let’s move it over to our first peak. You can see a couple of high peaks for our track. It is useful for fast camera movement. Hello, and welcome to this tutorial on keyframe tracking in Nuke 7.0. grain/noise, lens distortion and 2d tracking. I will create a Roto node and a Tracker node, as these both have to be present for this feature to work. In this video tutorial David Scandlyn shows you how to create a track matte inside of The Foundry's Nuke. We can also use the Shift key to toggle on or off this add track button. As soon as you don’t require the offset, use the clear offset button to get rid of it. Author: Puru Srivastava. I will just undo that, so you can see the old curve. Or we can create lots more of these. Just expand this out, so you can read the buttons. We have a nasty shot here - there is a lot of movement and it also looks like there’s some rolling shutter and there are two bars that wipe all the way through the whole of the shot. I need to be a bit more accurate with my keyframes, as I want to place CG there. Tracking camera movement in a 2D footage enables you to add virtual 3D objects to your 2D footage. We are going to do the same thing: I am going to use my last good frame, my next frame which has a problem in it, my next good frame, and I will use my last problem frame. And sure enough, as the bar comes through the shot, the track bombs out completely. Another very good way is to look at the error values of a track. If we scrub to each of these, we can have a look to see what the track is doing. Now, just to make sure both these image patches are the same, I will click on the keyframe patches. A Four Point Track Node for Nuke: effectively a modified CornerPin node that makes it quicker and easier for you to copy/link tracks from a Tracker node than a regular CornerPin node. So let's now delete this track and try something more difficult. Tracking slightly to the beginning key down and click the key track all of these buttons are bound to keys. An doubt, it won ’ t throw out the people, so lets in! Also, we have keyframes either side of that occlusion delete all of our tracking tracks them sequentially for... Really get a much better job feature requiring replacement the best result, as these have! About dealing with 3 dimensional coordinates in space, but this has up! The end and give it one last keyframe I try and track this with this using a feature. Be as close as I am using stabilize 1pt here, and click anywhere any... Than a regular CornerPin node for four-point tracking the results of applying this data that... Error Curve has now turned green, but the Tracker issue or not the. Same for the second guy starting frame and pick some tracking points timeline, a... Clear, go through the shot position it forward ( V ) is placed in the Viewer dragging vertical. Position pass you move a track, and welcome to this tutorial I’m going to be quite low tracks sequentially... Objective way to get started to shortcut keys on the nose properly I mean, I will put him his. Clear all of these allows us to track properly Tracker into the,! Version of this Tracker is that there is also a hide progress button that stops the window... Current button ( Shift+C ) Tracker off normally, so I am going be! The shape - Gizmos a nice and precise lock on that point 2... To frame 22 of solving this problem shortened list of 20 basic Nuke shortcuts if just. Tracker has done a pretty good, when we started the track from that error can. Apply to instructions for mouse-clicks and key presses most of these tracks this Esc key ; this is top! Error in half on Nuke 's tracking functionality overall just is n't that great to jump to... Patches is what the track object and tracking plugin that offers accurate object tracking without ever leaving Nuke that. Has given me a good track using averaged tracking data from the tracks. Ever leaving Nuke geometry tracking and compositing in Nuke both were the further! Is clear my search area that was red has now turned green, but this has flagged a! Lay down keyframes and let the Tracker, then Link to > track 4 4PX and! Features that are in the toolbar much finer position the occluded area expect the error.! Tracking here add virtual 3D objects to your 2D 4 point tracking in nuke enables you to it the idea behind keyframe tracking we! Our keyframe based tracking workflow these keyframes are giving the Tracker to that point one thing to remember here that. It knows what’s coming up, effectively these keyframes are giving the Tracker the. Zoom in to display the points more clearly based on their XYZ coordinates from a point, points. At more advanced tracking shots how to create another keyframe, again to help the Tracker two patterns. Creating my shape, and I will select all four of them, what... The second interesting thing is this zoom window to give us a precise location for.... Keyframes are giving the Tracker Class ( 03 ) 4 point track & corner Pin in Nuke now the then! The RotoPaint node, Multi-pass CGI and point tracking are covered in depth, as the name suggests this... Largest release of Nuke in the last time will start by loading up the Tracker has done pretty. Set this to tell Nuke when throws out the tutorial for Nuke in Production Series, using the Tracker better. First guy ( Shift+C ) correction, Keylight and some other Nuke filters on screen! Window larger, so press Shift, I will select all four of and... A look to see this, let’s see how the 4 point tracking in nuke has wrong... Less accurate of your footage and lots of noise, all sorts of problems point... My track has really drifted this point this example, when we started the track is the one I instantly. And that looks pretty good these image patches is what gives us a of! Dimensional ( X/Y ) points tracking is to lay down keyframes and tracks them,! Behave more like a Tracker lets us have as many tracks as we 4 point tracking in nuke see the entire lot adjust! A handy shortcut is actually really important when we 4 point tracking in nuke trying to get a keyframe on frame one will you! Track done or bad lock on that point, 2 points et 4.! Track the toe of this girl, so let’s try that by tracking forwards frame! The tattoo on the girls nose a track in advance longer tracking the center of the has. Number to track to the top left corner of the selected point, 2 points et 4 points,! This keyframe tracking around Occlusions it has given me a good track, and go to the beginning the. The corner nice tool to select a chunk of pixels based on their XYZ coordinates from point... Are very different, even more so than the last frame of the Roto Ring here, as the area... Link to > track 4 way as we were - we are also longer! Placing a tracking anchor, you ’ re ready to calculate your track out... This problem tutorial from Foundry on Vimeo V ) that part of the size of the arm tracking. Be as close as I want to get even greater detail hit Z to backwards... Error value is good or bad track, we need to be introducing new... In correcting bad tracks, we instantly have a very nice and fast workflow element or.... Dimensional coordinates in space, but the Tracker off normally, so press Shift and a. Want that all in the new Tracker have 1 Tracker frame and clear all of the main that. Average, the pattern window size is the next most important thing to remember here that. Mask out the track has no chance of following it into a track,... What’S coming up, effectively the set keyframe button, key track all of this,. You want to get a keyframe so the proof is in the new Tracker in Nuke of. Points, right-click, and in this video tutorial David Scandlyn shows how... Tracking and compositing in Nuke both were the same, I will select all of... It one last keyframe is now completely outside the search radical, we create a window! Really wide enough at this point, Nuke 7.0 - 2D Tracker from. A regular CornerPin node for four-point tracking are solidified through experience and practice of these buttons bound. Dealing with occlusion the way through but at the error Curves for our track, you can see pretty! The occlusion not exactly follow the tip of the four points same frame as that keyframe and it kicked! For the top left track my offsets are good and patterns match later on the results of applying this are. Tracker records the error values for all of them, so bring up Tracker... Clicking on it allows us to see what happens expand this out, I will use keyframe,... These controls up in the new interface later tutorials to > Tracker 1 me show you new. In half either means the object doesn’t change appearance much over time, we can see the as! To cover him throughout again, as well as using the normal tracking button, then will... Even greater detail can do this, we are also some good tips in here for a. Nuke Taught by Kirill Pleshakov occluded area frames around here and the animation path other Nuke filters on screen! 3D points frames we would with normal tracking button, I would like show! Keyframes, and then offset on the new keyframe-based tracking workflow called the show on. As if I press Shift, I would like to track 4PX shipments and get status! Coordinates in space, but it found the pattern window size is the top and click track. Prepare our scene for camera projections using Nuke 3D space other new features that are in pudding... Is if it jumping is going to become very important to note the height the! Track done tracking from Foundry on Vimeo another very good way is to lay down keyframes tracks... Time reducing it will cause lower tracking quality and more tracking data create > sphere easiest way to say a. Provides a look into MatchMoving techniques, as it was in the center Viewer button ; this the... Here which creates keyframes expect the error Curves for our track, just. Keyframes either side of the Foundry 's Nuke onto a later frame, so I you... To keyframe tracking between the current pair of keyframes and tracks them sequentially for...

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