MochaImport+ for NUKE simplifies using the tracking software mocha Pro with NUKE. Things like walls, ceilings, and sides of cars are good examples of planar surfaces, but it can also handle non-planar surfaces, such as faces or people -- generally, the more planar the surface, the better. I will start tracking and I will show you what I mean. The first is the center planar surface button, which locks the Viewer to the center of the surface. We now connect the PlanarTracker node’s Mask input to the Expression node, and we’re now ready to track. When enabled, a grid corresponding to the current plane is displayed in the Viewer. What we are going to do here is simply track the floor and move our clean plate along with the track. Visual effects dominate at the box office, and Nuke is the compositing software that is used at high-end studios to create those mind-blowing effects. When enabled, the individual tracks generated during analysis are displayed in the Viewer. Then, to create a track from within the Roto node, we simply right-click the shape and click planar-track this shape. The way they work is that each track layer will hold out the track layers below it. Mar 17, 2015 - Introduction to The Foundry's NUKEX 6.3 Tutorials on Planar Tracker, by Dan Ring. If we wanted, we could repeat this process of moving reference frame corners and tweaking them elsewhere as much as we want, each time improving the track. Nov 8, 2014 - NUKE Planar Tracker Tutorial by Escape StudiosNUKE STUDIO and NUKEX’s Planar Tracker allows you to track areas in your image sequence that lie on a plane. I can also see that there’s not much change in perspective of the front of the boat over the course of the shot. You can adjust the indicator’s position by dragging it in the Viewer or by copying and pasting coordinates from other controls. To solve this, we need to hold this logo out from the shot. Hello, I’m Dan Ring and welcome to the second tutorial to Nuke’s new PlanarTracker. • TSR + Shear - translation, scaling, rotation, and shear (move as if cutting through the scene). 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. We will start by drawing a shape to mask out the logo, being careful to draw it inside the Root layer. Hello, my name is Dan Ring, and in this tutorial I’m going to show you how to use the new PlanarTracker found in Nuke 6.3. This is a common problem in tracking panning shots, where using the additional input of the PlanarTracker is very useful. Going back to our reference frame, we can move any of the four corners to other positions to help us eyeball when things go wrong. Thankfully this is easy to fix. Sets what type of camera movement is expected: • T + Scale - both translates and scales. Planar Tracker: NUKE tutorial by Escape Studios. Click to track backward to the first frame of the sequence. The important thing to remember is that planar tracking tracks regions as opposed to small image patches. Now, we add it to its own track layer by selecting it and right-clicking and choosing planar-track this shape. Click to set the current frame as the reference frame for the planar surface. I will also show you how to use additional track layers to create holdouts for tracks. Sets the number of features you want to track in each frame - ideally you should use more than 100 tracks per frame. Now, that track of the sky looks really solid, and you can see how easy it was to specify the track region using a chroma key instead of using roto shapes. Let’s look at our planar surface (correctPlane) just to make sure everything is OK and that the transform wasn't too extreme. In these cases, it can be much easier to use a luma or chroma key to specify what areas you want to track, and Nuke’s PlanarTracker lets you do just that. Sometimes it happens that you may need to change your reference frame, for example, if an artist drew a Roto or made a clean plate for a frame other than your reference frame. Follow. 5:49. If we look at the feature tracks, we can see some very pretty, bird-like features in the sky. Report. This usually happens on these kind of shots when the camera is moving into the scene. We will start from the beginning and work our way to the end. • planar-track this shape - Select this to convert the roto shape into a track object that doesn't contain any tracking data (if it's not already). Before we export an absolute, we can save ourselves some time by selecting the Read node and then clicking the export button. When using layers, the important thing to remember is that the track shape in each layer will hold out all the track layers below. Specifies plane transformation from the reference frame to the current frame. Let’s start by creating our PlanarTracker. Track: Track the footage; Update Track: If there is any adjustment to any settings after the initial tracking, you can use Update Track although I usually will start again from scratch. That Tracker is ready to use, but first let’s go over what happened. You can use your tracking results to replace the tracked plane with another image for instance. This will hide all of the drawing overlays and make it easier to see our track. See, Use the Tracker controls in the Viewer to track your footage. Planar tracking is often better than tracking individual points (with the Tracker node for instance) as it takes a great deal more information into account and gives you a more accurate result. In this tutorial, I am going to demonstrate how to correct tracks when they drift. The Dilate node here is very important. Straight away, we can see that the cable wipes out the track. PowerMesh enables a powerful new sub-planar tracking engine for VFX, roto, and stabilization. We can tweak it in, and it’s good to go. Free Motion Quilting Color Correction Maya Color Schemes. Let’s do that now. When a Roto or RotoPaint node has a PlanarTrackLayer, the tracking toolbar is now displayed in the Viewer. Now, it looks like the PlanarTracker has done a reasonable job, but it’s not quite spot on, and we want to fix that. Click to track forward through a range of frames specified using the frame range control. Mar 17, 2015 - Introduction to The Foundry's NUKEX 6.3 Tutorials on Planar Tracker, by Dan Ring. If we want to, we can draw more shapes inside this layer, which will all contribute to the same track. We can also create whole new track layers, ready for drawing and tracking. There are lots of options here, depending on how you want to work or what format your mask is in. This is exactly what we want. In this tutorial, I’m going to show you how we can use back layering to get a better track. So that track looks pretty good. In this shot, we want to track the top section of this post here. The amount of smoothing is controlled by the smoothing amount. If we turn on the display tracks button, we can see why. Particularly, if you look to the top right or the top left of the planar surface. I will also rename this layer boat. NukeX 6.3 Planar Tracker Tutorial: Tracking with Chroma-Keys from The Foundry on Vimeo. To track this screen, we will start with creating a PlanarTracker, but instead of drawing a shape, we are going to leave our track layer empty. As in the previous tutorial, we will select our Read node and export a CornerPin using the absolute mode. • Mask Alpha - use the mask input alpha channel to define the plane to track. Click to track backwards through a range of frames specified using the frame range control. If we want, we can use the grid to help us line up our corners. NOTE:  By default, when you create a PlanarTracker node a Roto node is connected to this input. This is the exact opposite of what would normally happen. To fix this, we are going to create a holdout for the cable. However, it is difficult if you want to track one specific corner. In this tutorial, I’m going to demonstrate how you might do some rig removal, using planar tracking and a background plate. So that seems to look much better. This is extremely useful when we have multiple track layers. Track complex organic surfaces through occlusions and blur using Mocha’s intuitive layer-based interface. You can also drag-and-drop matrix values from another plane to apply those values, for example, if you wanted to align planes in a scene. Let’s click the go to reference frame button, just in case we forgot where we started. This is particularly useful on flat, featureless surfaces, such as the cable. Increase the smoothness value to remove tracks that glitch over time. Adjusting this value can be useful in preventing poor tracks in complex sequences. Nuke | Wire Removal In RotoPaint . We can see that the track is slightly better for that point, however, we want better tools to help us diagnose when our track is going wrong and then to make corrections a lot easier. I have already created a custom Transform node here to warp the logo to where I want it in our reference frame. A rigid surface, like a wall or a side of an object, are good planes to track. You can adjust the indicator’s position by dragging it in the Viewer or by copying and pasting coordinates from other controls. Visual effects dominate at the box office, and Nuke is the compositing software that is used at high-end studios to create those mind-blowing effects. 1 min lettura. I’m going to rename the layer floor. So we'll start by adding our planar tracker.…So we'll select our read node,…go and hit Tab, and select planar tracker,…holding down the Shift key so that it…does a branch connect, like that,…which is what I was looking for.…We'll hook our viewer up to my planar tracker.…Make sure I'm on frame one.…And here is the super secret trick.…Notice that the motion is to the right, kay?…So it's panning to the right.… Notice that only the blue sky and cloud regions are being tracked. The Foundry's NukeX Tutorials on Planar Tracker: Correcting Tracking Drift, by Dan Ring. Browse more videos. This is a context-sensitive toolbar to let you perform your entire tracking workflow from left to right, for example, tracking, display, and correction, and export, all without having to go back to any node properties panel. Frame for the transform menu at our planar surface into an invalid state our boat,... Use to spot when tracks start to fail and how to use and faster than most optical flow-based.! 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