Digital CompositingNuke

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Master the art of creating true movie magic!

What makes movies like Star Wars, Matrix, and The Lord of the Rings so special? The answer is special effects, miniatures, explosions, props, digital characters, surreal scenes.

However, any one of these elements alone is not sufficient. Combining various elements (e.g., miniatures and actors) is crucial for creating an illusion of reality in the eyes of the spectators. Like when an actor standing before a green screen gets to travel to a galaxy far far away on the movie screen thanks to the astonishing digital environment. The very process of matching these elements is called compositing, which is the staple of this course.

In over 70 classes and 100 exercises, students will understand the basic principles of digital compositing. They will learn to match real-life images against a green screen with digital elements, create color corrections, and do stereo compositing while working with props, tapes, and digital material in a production environment. All techniques will be explained using real production examples. The curriculum includes practical work for all students.

Aside from the technical aspect, in this course, students will gain a thorough insight into the theory of digital compositing. This includes the essentials of photography and visual arts and visual communication. Thanks to this approach, students will gain a broad perspective of the subject and support to improve their skills faster.

As the course progresses, the assignments will become more and more similar to a real-life production environment that includes simulation of various problems, deadlines, and demands from the client/ superiors.

Introduction to digital compositing
• Introduction, history, optical compositing, basics of film, digital compositing with examples (Star Wars, Blade Runner, Terminator, Titanic…)

Components of a digital image
• Digital and analogue signals, digitalization, basic components of an image, pixel, bit depth, resolution, characteristics of images from film and digital cameras, HDR format, Gamut, Color space

Light and camera I
• Basics of lights, movement of light, reflection, refraction, light sources, shadows, light temperature, white balance. Pinhole camera, visibility angle, perspective, explanation of aperture, depth of field, ISO sensitivity – all with practical examples

Light and camera II
• Filming angles, creative use of light, analyzing the light in various examples, recognizing types of light for easier matching. Camera movements, basic division and terminology. METADATA, how everything helps.
• Practical examples – the more the better.

Nuke basics
• Interface, navigation, controls, nodes, loading files. Simple compositing with two overlapping images. (Parallel with examples from Photoshop, so as to display the parallels between Nuke and Ps. Simple key)
• Exercise

Input devices
• Formats, analogue, digital, PAL, NTSC, HD, RED FPS, aspect ratio, compressing signals, compressing data, lossless and lossy compressions, file formats BMP, TGA, PNG, JPG, MPEG, MOV, DPX, EXR. Advantages and disadvantages, format conversion

All about color
• Theory of color, examples of photographs and various works of art
• Color correction in Nuke, showing what each slider does, explaining on a histogram what is happening with a signal
• Secondary color corrections. Examples from production
• Exercise – color corrections, on a given example (a homework assignment is also given)

Merge operators
• Operations between two inputs. Plus, minus, over, min, max, screen, overlay… To be explained mathematically. Premultiply and unpremultiply (To be demonstrated through a simple example and then through an example from production)
• Exercise

Filters, interpolation, transformation
• Blur, defocus, median, edge blur, erode, sharpen, soften, zblur, motion blur, emboss, god rays…
• Transformations: translate, corner pin, reformat, crop
• Interpolation: cubic, nearest, mitchel… (To be demonstrated through examples including several examples from production)
• Exercise

Animation, working with keys
• Roto, working with masks. Principles of animation, timing, spacing (Roto to be demonstrated through a simple example)
• 2D tracking, matchmove, stabilization. Example: sky replacement. Planar tracker (to be demonstrated through an example)
• Spline warp, grid warp, morphing
• Exercise

Compositing CG elements I
• Pass compositing. Working with channels. Integration with real elements, reference stand in, light wrapping, shadows, standardization of color, spill suppression, atmospheric effects, camera characteristics, size and perspective, focus and defocus (bokeh), motion blur, lens flare…
• Exercise: demonstrations through a simple example and then through an example from production

Compositing CG elements II
• Continuation
• Exercise

Visual qualities of an image and the perception of the eye
• Light and shadow
• Persistence of vision

Linear workflow
• Nonlinear Color Encoding (logarithmic format) (Examples: The Other Guys (film): how to render, how to set LUT, how to finalize)

More complicated key, keylight, primatte and IBK combinations I
• Custom despill, hue correct, smoothing edges, light wrap
• Grain, adding match grain.
• Exercise

More complicated key, keylight, primatte and IBK combinations II
• Continuation, key and key roto combined
• Exercise

3D space in Nuke
• 3D space, navigation, controls, nodes
• Camera tracker in Nuke and adding a track from another program (Maya)
• Projections, removing unwanted objects (Best example: removing unwanted objects in The Other Guys – scene in a bar)
• Exercise

Stereo compositing
• 3D space (Examples from Shark Night)
• Exercise

Quality and efficiency
• Minimizing data loss, Internal Software Accuracy
• Efficiency (Consolidating Operations, Region of Interest, Networked Environment, Disk Usage, proxy)
(Examples of an efficient Nuke workflow)

Organization of workflow
• Structure, working with files, working logically (gradually)

Working in pipeline surroundings and communicating with other VFX departments
• Demonstrating through an example the organization of production between the CG and comp sectors
(Shark Night may be used as an example)
• Exercise: group exercise Compositing and Light/ render departments

Analyzing workflow through examples from production
• Several examples may be taken from prior lectures and given now in full
(Interactive lecture, Q&A, group analyses)

Automation of the comp process through Python and the creation of a gizmo
• One simple example, gizmo for passes, from The Other Guys
(Analysis: automatic comp, output gizmo…)
• Exercise: Python exercises

Final exercise. Comp frame that contains CG, green screen, practical
(A concrete example may be taken from Crater production)

Independent exercise

Upon completion of the course students will receive the Crater Training Center Certificate.

Nikola Vučenović
Compositing supervisor @ Crater Studio

A filmmaker and VFX artist, Nikola is a true master of the craft who uses technical expertise in visual effects to weave stories and build worlds. As a passionate innovator, he enjoys exploring different methods to achieve extraordinary results. He is religiously following all the trends and developments in the industry. He is always the first one to discover and use new technologies to improve storytelling and blur the lines between fantasy and reality.

IMDb

Matija Koraksić
Senior Digital Compositing Artist @ Crater Studio

Matija is an experienced artist who mastered the craft of composing many years ago in Crater Training Center. In Crater, he has had the opportunity to participate in an enviable number of exciting projects. He has studied literature but found his place in post-production as he believes that this profession sublimates most of his affinities. For him, compositing provides a perfect workflow dynamic with minimal repetition and monotony. Read more about Matija’s experience and career path in this interview.

IMDb

COURSE INFORMATION

TUITION
950 EUR price category 1*
1425 EUR price category 2*
VAT included.
 * View pricing & payment options

Start date
To be known soon.
Check out the course calendar

COURSE DURATION
10 weeks (116 classes) 

REQUIREMENTS
basic computer skills
Photoshop*
* or equivalent computer skills

Intership available

ENROLLMENT
In the classroom / Online

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