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Toolsets

OCULA tool sets provide standard templates designed to get the best results first time in plate preparation, color correction and vertical alignment. Built on production experience the templates step through the key stages in shot set up and include QC tools for review to reduce iterations and speed-up shot turn-around.


 

Disparity

Disparity generator creates stereo disparity vectors that map pixels between left and right view. Disparity is at the core of the plate correction tools allowing color, focus, and alignment to be mapped between views as well as the correlation of key processes such as Roto or Paint.


 

Vertical aligner

Vertical aligner warps views vertically so that their corresponding features align, while keeping the horizontal position of each pixel the same. It can be used to remove focal length differences and rotations, eliminate lens or mirror distortions and fix issues with alignment in depth. 

 

ColourMatcher.png

Color and focus

Designed to help you deal with the subtle color differences that are sometimes present between stereo views such as changes in reflections or highlights as well as localized color shifts. Color matcher lets you match the colors of one view with those of another for across-the-board consistency. Focus matcher helps to match the focus between left and right views, allowing you to sharpen and soften to match the contrast of edges or to rebuild edge detail in one view directly from the other view.

 

Stereo Retiming

Differences between left and right views can make for an uncomfortable 3D viewing experience. Retimer is an optical flow-based retiming engine that’s designed to remove these differences and ensure better viewing in stereo.

 

Depth tools

Depth tools enable artists to create useful data for standard compositing tasks. If you have a CG scene with camera information and a z-depth map available, OCULA’s ‘Depth to disparity’ plug-in provides a quick and accurate way of generating the disparity field. Disparity to depth works by generating z-buffer depth maps per view in a stereo pair. The z-buffer depth data can then be used elsewhere in the NUKE pipeline, for example to perform depth of field effects or a deep merge.

 

New views

The ‘New view’ plug-in allows one view to be rebuilt entirely from the other to help in tricky shots where where alignment, colour or focus matches are problematic. OCULA’s interaxial shifter lets you change the interaxial separation of stereo images - that is, the distance between the two cameras. This plug-in enables you to generate two new views at specified positions between the original images to control the disparity and depth in the stereo footage.

 

Troubleshooting and QC

The Stereo review gizmo has been built to push through production footage and provides an artist-friendly way to QC corrections and reduce iterations. The Disparity review gizmo provides an easy way to check disparity vectors to quickly spot any trouble areas where particular attention will be required in corrections. OCULA’s  ‘Disparity viewer’ plugin provides different options to visualise disparity and render out to check for any changes in comp.


"OCULA 4 looks brilliant! Why didn't it exist back in 2012 during The Great Gatsby? If only it came with a time machine, so I could rescue my team from super awkward stereo issues we faced in that long hot summer. We could have sat by the pool being showered in glitter rather than tweaking disparity maps late into the evening. "Can't repeat the past?" he cried incredulously. "Why of course you can!"."
Alex Fry, Comp Lead on The Great Gatsby
"We worked closely with The Foundry to optimise the performance of OCULA for 'Tron: Legacy' and its addition to the already robust 3D capabilities of NUKE leaves no doubt that The Foundry's tools are the industry's best compositing solution. OCULA's Colour matcher proved to be a tremendous asset to our team, even though it had never been used to this extent on a stereo 3D film."
Paul Lambert, Compositing Supervisor, Digital Domain
"OCULA was a vital contributor to the success of Hugo. We used it on every single shot in one form or another. The new features in OCULA 3.0 - a retimer, a focus matcher and vastly improved disparity generation - make this a crucial piece of software for stereo compositing."
Micah Gallagher, Pixomondo
"The OCULA plug-ins for NUKE became an impressive and invaluable toolset for us on Avatar. I wouldn't want to dive into another stereo show without them in the arsenal."
Erik Winquist, Compositing Supervisor, Weta Digital

Feature images Avatar © 2009 Twentieth Century Fox Film Corporation. All rights reserved. Images courtesy of Weta Digital and Tron © Disney Enterprises, Inc. All Rights Reserved.