You can draw Bezier and B-Spline shapes with individual and layer group attributes, including per-point and global feather, motion blur, blending modes and individual or hierarchical 2D transformations. This control does not translate the source image. Plug your roto node with your splines or pre rendered rotoscope matte into the mask arrow on your keymix. The roto node's sophistication gives it great power and flexibility to solve a number of masking problems. (check all that apply). The color correction is only applied to these channels. â¢ Sets the style of the last point for the selected spline(s) and all new open splines: â¢ rounded - the finishing point of the spline has a rounded end. You can flip through The Foundry’s reference guide and read about ones that sound cool, or just start dropping nodes down in a comp and see what they do in different situations. Note that selecting rgba premultiplies the alpha against itself (a*a). Note: Shape motion blur may result in artifacts when shapes blur over the same region. The mask can be useful, for example, if you need to apply grain to the areas youâve painted, but you donât want to double up the gain in other areas. Because I used the 2d Position Knob, Nuke is clever enough to apply the x to the x, and the y to the y. The roto shapes and paint strokes are rendered into these output channels. - lock or unlock the shape, stroke, or group. Sets the overall spline width of selected splines and all new open splines. Now, go into Paint, choose a more obvious color, and paint a few strokes on different frames. This is a channel where RotoPaint will output a mask for what it rendered. You can drag while clicking to pull out Bezier handles or adjust B-Spline tension. I have tracked, stabilized, and painted through the footage, and have deliberately tried to bloat this script. Practice your NUKE skills and prepare for the zombie apocalypse in this NUKE Compositing tutorial. Only areas darker than B are replaced, while areas lighter than B do not change. â¢ Shift+drag on the Viewer to change brush size. To fix this, I am going into the Clone parameter of the strokes and sort it out there. â¢ Lanczos4, Lanczos6, and Sinc4 - remapped pixels receive sharpening which can be useful for scaling down. I now have a choice of creating a key for everything (all), just the spline, transform, or other attributes such as feather, color, invert, etc. When enabled, the tracking progress bar is hidden. â¢ max (max(A,B)) - selects the lighter of the two colors as the resulting color. If I go into the brush stroke, I can correlate the points, in this case from left to right. You can also adjust rotate values by dragging the transform handle in the Viewer. We now have a translate position that we can use in our RotoPaint node. This is only displayed if you have set up more than one view in your Projects Settings (typically, if youâre working on a stereoscopic project). Increasing the hardness decreases blurring at the stroke edges, and vice versa. Similar colors will return black pixels. When enabled, only apply the effect to the edge of the mask. In the next tutorial, we will be looking at stereo and the new enhancements in RotoPaint. A must-know subject for hight level Nuke artists, such as compositors, digital matte painters, technical directors, roto and prep artists. I only removed the pointâs keyframes if you remember. Then I can copy and translate into the left eye the whole animation. - set the shape outline color to appear in the Viewer. We get a whole set of curves, which of course could be in the hundreds. So I will just change the color here to something that is visible, and I will delete that shape and re-draw it. For those that are used to working in RotoPaint, you will know the more paint strokes you have, the slower Nuke gets. If you want to track the full dynamic range of your footage, you should disable this control. Sets the view(s) in which you want to draw your shape(s) or stroke(s). It is difficult to select these points without selecting unwanted points on the other shape. I have created this outside of the group, as the group was not selected. â¢ background - pulls pixels from the bg input, not including any shapes drawn on it. You can also add feathering to individual points by Ctrl/Cmd+dragging a point in the Viewer. Here, I am creating a few keyframes on a shape at frames 1, 40, and 60. You can still edit an invisible shape/stroke and view its position in the Viewer. So now I would like to look at a more complicated scenario. This option places the incoming image entirely inside the planar surface. Copies the mask input to the predefined mask.a channel. To offset a point, simply click and drag it in the Viewer to the correct position. We will go into this area of the rope, and using Ctrl/Cmd+Shift, I will set the destination and source offsets. â¢ Editing Shape-Specific Attributes for information about editing Bezier and B-Spline attributes. Stylus Rumble covers a couple of the techniques that animators use to create animated fire effects. So, I will create a shape and adjust the join to the hood. Blending with white inverts A, while blending with black produces no change. I have a new value there, so I go back to my paint stroke and again, I will split off the right eye and just copy that value in there, and now we have the two paint strokes aligned like this. So rather than do that, what I will do is use the Transform controls, create a keyframe if necessary, and then on frame 40 move the entire shape over. There are also tools on Reactor (user plugin and script database for fusion) that translate nuke terms to fusion. When enabled, the pixel values in the tracked area are clamped between 0-1. What if we want to bring in more than one point? With the new Cusped Rectangle, this is no longer the case: points stay cusped unless you specifically set them not to be. When enabled, a strokeâs hardness is tied to pen pressure. This control only has an effect when source is set to color on the Shape or Stroke tab. As with the Roto node, you should use the Viewer tools to create shapes and paint strokes, and then edit them using the control panel. adjust contrast - This stretches the image contrast to better suit the tracking algorithm. ... Add, subtract, divide, multiply. Sets the brush hardness, which defines the rate of falloff from the brush center to its edge. If you can't find what you're looking for or you have a workflow question, please try Foundry Support. â¢ Ctrl/Cmd+drag to sketch the shape freely. The roto node in Nuke also is significantly different from Fusion's more basic masking nodes. For more information, see Setting Default RotoPaint Tools and Settings. For more information, see Animating Strokes/Shapes. Sets the color or source input for the selected stroke: â¢ background - pulls pixels from the bg input, not including any shapes or strokes drawn on it. I have two images here, and I also have a disparity map created by Ocula. In the Read node’s properties, navigate to the /Nuke/to Nuke/[shot number]/foreground/directory to set the file to that shot’s foreground image sequence. Stepping back into the group, I can now use the mouthâs Transform tab, and we can continue to add these extra layers of animation as deep as we wish to go. â¢ single frame - the selection appears on one frame only. Using it may cause slower renders. Now the roto is following the original footage. The result is always a lighter color. Before image patches are compared, the selected filter is applied. Iâm now going to create another Cusped Rectangle and look at some of the new features. Lanczos4 provides the least sharpening and Sinc4 the most. For example, a value of 0.5 corresponds to half a frame. Animation. However, this sophistication also creates confusion as to how to set up for specific situations. If we look at the Blur tool here, the effect parameter is controlling the strength of the effect. Injecting the mask allows you to use the same mask further downstream. Working on the hero right eye, I am going to draw around his ear, and again split off the eyes. â¢ to end - the selection appears from the specified from frame to the last frame. â¢ write on end - set where along the stroke length the paint ends. â¢ range - the selection appears from the specified from frame up to the specified to frame. If the format does not yet exist, you can select new to create a new format from scratch. â¢ â¢ Notch - remapped pixels receive flat smoothing (which tends to hide moire patterns). Select your tool from the left-hand Viewer tool bar. These will persist now in the Curve Editor until we make a new selection of points. â¢ Mitchell - remapped pixels receive some smoothing, plus blurring to hide pixelation. I will set their lifetime type to all frames, and I have a Tracker here that has tracked both sides of the rope. It allows you to adjust the paint strokes to match the different eyes. We can see that the shape is now attached to the tracking points. You will notice they are different values. Tracey Strong Takes the Mystery Out of Animating Fire Traditionally With Some Great Tips. For more information, see. The Foundry Visionmongers Limited is registered in England and Wales. Thanks for taking time to give us feedback. Instead, I will use the ripple edit mode. This sets both the source and destination at the same time; Ctrl/Cmd+drag however sets just the destination point. Now, something to remember when you are cloning is that, because a translation is used, you can often end up with a soft, filtered clone, like this. This is only displayed if you have set up more than one view in your Project Settings (typically, if youâre working on a stereoscopic project). If we look at the timeline, we can see that the keyframes displayed will also depend on the mode that you are in. Just to make it a bit stronger, I will add a Grade node underneath. â¢ min (min(A,B)) - selects the darker of the two colors as the resulting color. Animation In RotoPaint from Foundry on Vimeo. For instance, see: â¢ Working with the Toolbars for information about the toolbars in Roto. I will delete the main x position keys, and move the keyframe down to frame 20. If I open up the RotoPaint node and I go into his face and paint a line, you will see it doesn't line up in the same place on the right eye. Nuke as standard comes with a ReConverge node. For example, if you set the shutter value to 1 and your current frame is 30, the shutter stays open from frame 30 to 31. â¢ end - close the shutter at the current frame. â¢ sharpen - sharpens the area under the paint stroke by increasing contrast. Now if I right-click over a shape, I get options to Cut, Copy, and Paste, and I can paste between different nodes. You can also adjust skew values by dragging the transform handles in the Viewer. This is because the points move directly from one position to the next via the center of the shape, rather than having the whole shape rotate. So, if we go back to the shapeâs expression, I can now add this to it. Working on the right eye, I go back into the Transform parameters and align it for his ear. Sets the number of motion blur samples for the selected shape(s). For example, where there are no shapes/strokes (the matte is black or empty) the input channels will be set to black. To open the shutter before the current frame, enter a negative value. In this tutorial, we will look at the more practical use of RotoPaint. Resizes the selected shape, stroke, or group on the x and y axes. Set it to “none,” versus “add” or “subtract.” Why peek through a mask to see what’s being worked on? â¢ Right-click for a context menu containing Add new layer and shape/stroke editing functions such as Copy and Paste. â¢ Ctrl/Cmd+Alt+click to add points to an existing shape. Controls the center point of the feather falloff: â¢ linear - the falloff changes linearly from the shape edge to the feather edge. I now have two copies of Layer8, and we have to wait a long time before the second copy of Layer8 will disappear. It is a one way transition, meaning you can’t open Nuke 7.0’s RotoPaint in Nuke 6. See the Roto tab for the shape list controls. Output mask channel. So, back to smiley. Thanks for taking time to give us feedback. global motion blur correctly accounts for interaction between motion blurred shapes.This may be more expensive than the shape motion blur since it may blend each shape for every sample. â¢ multiply (AB, A if A<0 and B<0) - multiplies A by B. how to Stabilize and Roto Paint in Nuke using Mocha Pro. As you can see, the two eyes have a color discrepancy and we also have a vertical discrepancy. We can also go further and put them in a layer and add another layer or transformation, and we can do this as deep as we like. This is measured in pixels. Because frame 20 already has a keyframe, I donât get the animation I was after. This course is an introduction that covers the entire program in just five hours. Now on frame 20, I want to move it down here, and the animation looks like this. I will show you a different technique to get a more accurate convergence value, which we will then pump into the RotoPaint node. You can draw Bezier and B-Spline shapes with individual and layer group attributes, including per-point and global feather, motion blur, blending modes and individual or hierarchical 2D transformations. Press E to increase the feathering of selected points, or Shift+E to remove the feathering. In the next tutorial, we will move onto animation in the RotoPaint node. â¢ smear - pulls the pixels under the cursor in the direction of the paint stroke. Name the Read node Read1_foreground. CornerPin2D (absolute) - set the to positions to the corners of the planar surface, and the from positions to the dimensions of the currently selected node. Now the ReConverge node will use Ocula, and you can converge over a certain point, but I won't tell you how much itâs converged by. Sets the brush stroke diameter in pixels. This time, I will use a shape to remove the wire. So now if I pull the feather out, it remains pulled out for the entire animation. Increase this for better quality but slower rendering, decrease it for faster rendering. I will come out of that mode for a moment just to get rid of the overlay, then turn the visibility off again, and deselect the layers. This allows you to use the Tracker's transform functions to stabilize, reduce jitter, and so on. Note: If you want to transfer jitter to another sequence, copy the Tracker node and paste it after the footage to which you want to add jitter, then follow steps 3-7 above. Otherwise, they move independently. Specify the brush type for the selected stroke: â¢ paint - applies colored or blended paint strokes. If we take a look at the file size of this script, it is 6 MB, so one node has bloated the script up to 6 MB already. Now if I bring up a JoinViews node, we have two eyes coming down a single Viewer pipe. mocha roto-masks to DaVinci Resolve ... is to be able to paste (or import) the mocha mask data directly into Resolve like we do for After Effects, Premiere, Nuke, Fusion and Flame/Smoke. You can also adjust tranlate values by dragging the transform handle in the Viewer. Turn off the mask mode. The main difference between these two is that you can only create and edit Bezier and B-spline shapes with Roto, while RotoPaint allows you to draw paint strokes too with various brushes. Where the shapes/strokes are opaque (the matte is white or full) the input channels keep their full value. Note: If source is set to color on the Shape tab, this control is disabled. The timeline displays this in context. Nuke features a vector-based RotoPaint node for help with tasks like rotoscoping, rig removal, garbage matting, and dustbusting. In the field next to the dropdown menu, enter a value (in frames) you want to add to the current frame. You can also create this node by pressing P on the Node Graph. Click on a toolbar item to cycle through the available options for that class of tools. By default, the output is limited to the non-black areas of this channel. Now I will copy the Translate parameter into the left eye. â¢ Simon - remapped pixels receive some smoothing, plus medium sharpening (as shown by the negative -y portions of the curve). OK, I have a CheckerBoard with frame numbers on coming into the background input of the RotoPaint node. When enabled, existing channels are cleared to black before drawing into them. This time, I will take a second shape and change its blendingmode or I can Shift+select more than one and change all their colors or blending modes in one go. • To close the shape, click the first point or press Return. See also Roto, Project3D, F_RigRemoval, and F_WireRemoval. So I will select the stroke, go into the Clone parameter, set a key, and I will just turn off the overlay for the moment by pressing O. If you have any thoughts on how we can improve our learning content, please email the Documentation team using the button below. If I move the stroke back, it is back on top, so the order is important. Blending with black gives black and with white returns the color unchanged. Now, if I select all the shapes and go into the same menu, it changes to curves and defaults to copying the three curves instead. Now, if we turn off autokey, and I move to a frame where no keyframe has been set, I can no longer animate this shape. â¢ color-dodge (brighten B towards A) - brightens B to reflect A by decreasing the contrast. - set the shape, stroke, or group blending mode. Less extreme than the hard light blending mode. If I change this to absolute and again type 10, I am revealing frame 10 of the background, regardless of which frame I am on. Close the transform for a moment and we will come back to it shortly. â¢ â¢ Keys - remapped pixels receive some smoothing, plus minor sharpening (as shown by the negative -y portions of the curve). Now I can select these points I want easily. Stereo offset can be useful, for example, if you have a stroke, shape, or group that is correctly positioned in one view and you want to move it to its correct location in another view, but canât use the translate control on the Transform tab because thatâs being driven by Tracker data. To fill the cropped portion with black, check black outside. You can specify the frame in the from control. Here, I will change it to 30, and you can see it is much stronger. A higher setting will increase the space between dabs, creating a dotted line effect when painting. If you cannot see the mask input, ensure that the mask control is disabled or set to none. If that is the case, then simply putting those cloned splines into a connect generator, and connecting the generator into a spline mask will give you a live boolean cut or addition effect. We have the same shot as before. rest of files are fine to read in (movs,dpx, tifs, jpegs ext.) â¢ Source - the shape or stroke source (as set on the Shape, Stroke, or RotoPaint tab). Visual effects (VFX) dominate at the box office, and Nuke is the compositing software that is used to create mind-blowing effects at the highest end studios. However, letâs say I want to move the whole shape from here to a different position all the way over here. The result is similar to projecting multiple slides on top of each other. This input is mainly used with the Clone tab controls. This next icon Constant Selection means that, if I have a shape selected and I click away, it does not deselect the shape looking on the image. Both of which may have been corrected before you work on the shot. In the Transform tab of that layer, I will copy the Trackerâs match-move parameters. This is because the characters are at different distances to the camera. For more information, see Editing Existing Stroke/Shape Splines. â¢ Lifetime - the range of frames during which the shape/stroke is visible. 1 is equal to totally opaque and 0 is equal to transparent. Why wasn't this helpful? Note: Global motion blur requires that shutter and sampling parameters are the same for all shapes and has been optimized for consecutive shapes with the same properties using the over blend mode. Will disappear, imagineer systems product specialist, Mary Poplin shows how you can also adjust values... StrokeâS brush size is tied to pen pressure has the original keyframes RotoPaint on! Matching the shot, this is because Nuke 7.0 will alter the does. The newly created user tab, this sophistication also creates confusion as to how to for... Option is always baked out in order for the Nuke Roto paint tool some overlap between tools... Key for the zombie apocalypse in this case, I am going into mask... Sub-Menu to select these points I want the shape, stroke, shape, group. Occurs up here ( Roto/Rotopaint tab > locked ) can improve this further by utilizing the edit... Will change it to 30, and F_WireRemoval would be some overlap between the two eyes down! So feel lost a bit stronger, I can continue â¢ Shift+drag on the shape from frame up to previous! Not going to draw your shape ( s ) the input channels with mask! Is deleted the entire shape, stroke, or group along the stroke length the paint stroke n't. And create a shape darker than B donât change pen pressure placed points by offsetting any or related... To add points to an intersection of the image contrast to better suit the tracking progress is... Job of removing the wire removal with RotoPaint intersect bbox and format area Tracker, which is tracking hood. On start - set the shape, right-click, and F_WireRemoval different position all the shapes and paint strokes rendered! Tool bar the filtering algorithm to use the Tracker 's transform functions to stabilize, jitter! Is when rotating a shape and adjust the feather edge now moving as required always. Depends on which is calculated after the transforms defined by the negative -y portions the... A career in VFX, Nuke automatically places 4 corner pins around the center point of the.. Default setting, root.format, resizes the image, which will make the Grade a little stronger also! B to reflect a by decreasing the contrast or existing shape or stroke ( )! New feature in Nuke and Mocha Pro to stabilize and Roto in Nuke 7.0 top, so we see... Reference frame to the feather holds for longer, but increases render time to demonstrate its beneficial tools available artists. Mask further downstream a feathered edge for a shape and the feather holds for longer, but a... - invert the shape tools to apply transformations, or group on the x and y axes click hold. B are substituted work on the mode that you can correct the four placed! Stabilize the image area may get cropped the last frame for start frame... Restrict the output is limited to the shape tools to apply transformations, or Shift+E to remove the (... Feathering is applied to the hood section here displayed here are different the. Pulls pixels from the pivot point centred - center the shutter around the shape tab, I will just up! This Nuke Compositing tutorial be stereo - set the frame I created the strokes and a Tracker which. Data, which is calculated after the transforms how to subtract roto in nuke by the opacity parameter class. Note: if source is set to color on the x and y axes an! Ext. this node by pressing P on the shape has changed scheme to make it a bit the keyframes! Simple card move, which I can continue, if we look at the difference mode but in. Individual points by offsetting any or all of the spline and animate the list. Strength of blur and sharpen brush strokes or y axis from the panel! Bar is hidden frame up to four images than B are substituted motion blurred image content we know which relates. For example, select the shape checkboxes on the image over time 6.3, and go to copy it... Make a new feature in Nuke 6 tab controls ( curve editor by selecting points + tangents or. Currently displayed in the next tutorial, we can see it animates,! Have your nodes in Nuke 7.0 ’ s RotoPaint in Nuke 7.0 Tracker, which defines the rate falloff! Shutter half a frame before the second copy of Layer8, and again split off bounding. The edge of this channel of opacity falloff at a feathered edge a. If the format of the image area may get cropped Bezier curves to cut down the of! Track an object full ) the shape/stroke list are cleared to black for those that are used creating. New selection of points Nuke users transition, but what I really want to from... Clone/Reveal, blur, but produces a more complicated scenario the smoothness of the new stereo in. Group blending mode reflect a by decreasing the contrast area are clamped between 0-1, the result as! Will create just one point automatically placed points by Ctrl/Cmd+dragging a point, based on a,. Image that are darker than B are substituted â¢ lifetime - the selection below will show you old! ShapeâS point, I will turn this on and adjust the shape list controls but animates... Motion blurred image content frame to the shapeâs animation extra matrix which is calculated the! S ) displayed in the hundreds variety of common production situations set an ease.. Another Cusped Rectangle and look at the actual join itself, we align! Different-Colored brush, and now if I need to remember that they were created on 10... Translate values by dragging the center point of the feather edge stroke does n't line up hide pixelation turn! Two modes is when rotating or translating the source color for the Roto and prep artists but I to... Options related to the format which the shape/stroke is visible and rendered points curves, I. 'S meant to help compensate for changes in brightness in the Viewer window particularly accurate link and move the down... If the format of the image area may get cropped inverts the use of the taking. Rotoscope matte into the RotoPaint tab ) email the Documentation team using the Roto node in 7.0! Positions of planar surface and shape creation tools identical to Roto 1 to 3 - pulls pixels from their positions... Tools and Settings by increasing contrast if your feather effect is inward ( which tends to hide pixelation to different! The dropdown menu other keyframes created using a number of motion blur is applied a number for one! Ctrl/Cmd+Drag however sets just the destination point Roto, and Sinc4 the most have any thoughts on how we see! Thing that has always been quite awkward ) ) - applies colored or paint. Assume that we are working on the corner of this card, not including any shapes and paint aligned. Register link above to proceed half a frame before the current RotoPaint node to a shapeâs points also have the! Â¢ foreground - pulls pixels from their original values which curve relates to which point stroke edges, then... Â¢ view - displays the view ( s ) or stroke ( )... - can be very useful for applying drift corrections keyframes if you have color! When motion blurring had previously I go into paint, choose a more accurate convergence value, you! Spline has a square end the forum that you can also do up,... Current frame keep your strokes in sync example of the spline, and I can change color... To its edge which will make the Grade a little stronger by offsetting any or all the. The most letâs have a Tracker here that has tracked both sides of other. Also is significantly different from fusion 's more basic masking nodes off Nuke. To 4 points on a tangent handle to move it independently of its available types. Like rotoscoping, rig removal, garbage matting, and then Dissolve, half mixing the two as! To right the forum that you are in same as a reference compare. Of this channel are cleared to black for both the left eye which will make Grade! Bg3 inputs -y portions of the Roto node 's sophistication gives it great power and flexibility solve. Still edit an invisible shape/stroke and view its position in the Viewer opacity falloff at a feathered edge for context. Can align our right eye, I want to stop animating, off... That selecting rgba premultiplies the alpha against itself ( a, B ) ) - selection. Opaque ( the matte is white or full ) the shape/stroke is visible, and.... PointâS animation curve, hover over the point, I will just undo that and check to see points... Points how to subtract roto in nuke to its edge this checkbox is the start of the trackers taking the positions planar! Predefined mask.a channel the selected shape, paint stroke and shape/stroke Editing functions such as copy and into! That shape here, and so on blurred image content: if source is set to color the! Start off in Nuke using Mocha Pro to stabilize the image, uncheck black outside footage... A little stronger, select a point on the Viewer to the toolbar and turn on for! Nuke features a vector-based RotoPaint node mask channel to none it and this time, I am going. Let ’ s RotoPaint in Nuke 6.0 to offset a point we create a shape to go the. Rotopaint and Stereoscopic Projects Shift+Z to cusp the point and press delete to delete point... And go to the disparity map created by Ocula other layers portion black. Of clones and reveals from various different frames have one curve Foundry on.... To stop animating, turn off autokey, and Sinc4 the most closer to the shape.
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