Making Movies

1
Making Movies

• CS 445/645
• Spring 2004

2
Midterm Exam

• Average 75.72
• Standard Deviation 11.13
• Median 77
• Expect grade to be curved up

3
Making Movies

• Concept
• Storyboarding
• Sound
• Character Development
• Layout and look
• Effects
• Animation
• Lighting

4
Concept

• Nothing gets in the way of the story
• John Lasseter (Pixar)

5
Storyboarding

• Explicitly define
• Scenes
• Camera shots
• Special effects
• Lighting
• Scale
• Used as guide by animators

6
Sound

• Voice recording of talent completed before
  animation begins
• Animations must match the voice over
• A puppeteer once told me that the voice makes or
  breaks a character

7
Character Development

• 300 Drawings

8
Character Development

• 40 Sculptures

9
Character Development

• Computer Models

10
Layout and Look

• Build scenery
• Match colors

11
Matchmoving

• CG camera must exactly match the real camera
• Position
• Rotation
• Focal length
• Aperature
• Easy when camera is instrumented
• Hard to place CG on moving objects on film

12
Matchmoving
13
Matchmoving

• Square patterns in live action made it easier to
  track furniture, wall paper
• 2D 3D conversion in Maya

14
Water
15
Particle Sim and Indentation
16
Tools
17
Compositing
18
Compositing

• Lighting

19
Facial Animation
20
Facial Animation
21
Fur
22
Cloth
23
Buttons and Creases
24
Texture
25
Companies

• Pixar
• Disney
• Sony Imageworks
• Industrial Light and Magic (ILM)
• Rhythm and Hues
• Pacific Data Images(PDI)

• Dreamworks SKG
• Tippett Studios
• Angel Studios
• Blue Sky
• Robert Abel and Associates
• Giant Studios

26
Toy Story (1995)

• 77 minutes long 110,064 frames
• 800,000 machine hours of rendering
• 1 terabyte of disk space
• 3.5 minutes of animation produced each week
  (maximum)
• Frame render times 45 min 20 hours
• 110 Suns operating 24-7 for rendering
• 300 CPUs

27
Toy Story

• Texture maps on Buzz 189
• (450 to show scuffs and dirt)
• Number of animation knobs
• Buzz 700
• Woody 712
• Face 212
• Mouth 58
• Sids Backpack - 128

28
Toy Story

• Number of leaves on trees 1.2 mil
• Number of shaders 1300
• Number of storyboards 25,000

29
Toy Story 2

• 80 minutes long, 122,699 frames
• 1400 processor renderfarm
• Render time of 10 min to 3 days
• Direct to video film

30
Toy Story 2

• Software tools
• AliasWavefront
• Amazon Paint
• RenderMan

31
Newman!

• Subdivision-surfaces
• Polygonal hair (head)
• Texture mapped on arms
• Sculpted clothes
• Complex shaders

32
Devils in the Details

• Render in color
• Convert to NTSC B/W
• Add film effects
• Jitter
• Negative scratches
• Hair
• Static

33
Images
34
Images
35
Images
36
Stuart Little

• 500 shots with digital character
• 6 main challenges
• Lip sync
• Match-move (CG to live-action)
• Fur
• Clothes
• Animation tools
• Rendering, lighting, compositing

37
Stuart Little

• 100 people worked on CG
• 32 color/lighting/composite artists
• 12 technical assistants
• 30 animators
• 40 artists
• 12 RD

38
Shooting Film For CG

• Actors practice with maquettes
• Maquettes replaced with laser dots
• lasers on when camera shutter is closed
• After each take, three extra shots
• chrome ball for environment map for Stuarts eyes
• white and gray balls for lighting info

39
Match-moving

• Film scanned
• Camera tracking data retrieved
• 3D Equalizer Alias Maya to prepare (register)
  the digital camera
• Once shot is prepared, 2D images rendered and
  composited with live action

40
(No Transcript)
41
Final Fantasy
http//www.arstechnica.com/wankerdesk/01q3/ff-inte
rview/ff-interview-2.html
42
Final Fantasy

• Main characters gt 300,000 polys
• 1336 shots
• 24,606 layers
• 3,000,000 renders (if only rendered once)
• typically 5 render revisions
• render time per frame 90 min
• Most layers per shot 500
• 934,162 days of render time on one CPU
• they used 1200 CPUs 778 days of rendering

43
Final Fantasy

• Renderman (Pixar) used for rendering
• direct illumination
• many hacks to fake global illumination
• Maya used for modeling
• Hair
• Modeled is splines
• Lighting and rendering complicated as well

44
Making Movies

• Production Team
• Production Line
• Special Effects

45
Production Team

• Directors
• Modelers
• Lighting
• Character Animators
• Technical Directors
• Render Wranglers
• Tools Developers

• Shader Writers
• Effects Animators
• Looks Team
• Security Officer
• Janitor
• Lackey