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Making Movies

Making Movies. CS 445/645 Spring 2004. Midterm Exam. Average: 75.72 Standard Deviation: 11.13 Median: 77 Expect grade to be curved up. Making Movies. Concept Storyboarding Sound Character Development Layout and look Effects Animation Lighting. Concept.

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Making Movies

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  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 CPU’s

  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 • Sid’s 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 • Alias|Wavefront • Amazon Paint • RenderMan

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

  32. Devil’s 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 R&D

  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 Stuart’s 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. Final Fantasy http://www.arstechnica.com/wankerdesk/01q3/ff-interview/ff-interview-2.html

  41. Final Fantasy • Main characters > 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

  42. 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

  43. Making Movies • Production Team • Production Line • Special Effects

  44. Production Team • Directors • Modelers • Lighting • Character Animators • Technical Directors • Render Wranglers • Tools Developers • Shader Writers • Effects Animators • Looks Team • Security Officer • Janitor • Lackey

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