Cel vs Computer Animation Snow White vs. Toy Story Animation - - PDF document

Animation Pipeline

Cel vs Computer Animation

• Snow White vs. Toy Story

– Not much has changed in 70 years! – Technology not process.

Animation Production

Story Model Lighting Shading Animation Camera Layout Voice Foley Postprocess

Animation Production

Story

Animation Pipeline

• Story

– The story drives the process – Storyboard – rough drawings that tell the story – Tools for you

• Paper
• Pencil
• Napkins
• Palm of hands
• Etc.

Animation Production

Story Model Shading Layout

Animation Pipeline

• Setting the stage

– Models –characters objects in story – Tools for you

• Modelers (in order of $$$)

– Emacs / vi – Milkshape 3D – Rhino 3D – 3D Studio Max – Maya – Laser Modelers

Animation pipeline

• Setting the stage

– Layout – staging / blocking – Tips for you

• Test using low-quality models
• Test using wireframe or basic shading

Animation Pipeline

• Setting the stage

– Shading – defines look of your model. – Tools for you

• OpenGL / DirectX defaults

– Gouraud, Phong Shading.

• Renderman

– BMRT – Aqsis – prman

• Dare I say…

– Cg (real time)

Animation Production

Story Model Shading Animation Layout

Animation Pipeline

• Animation

– aka Motion Control – This is the crux of what you will be doing – Degrees of Freedom problem

• Your job is to make the number of degrees of

freedom manageable to an animator

• Animator decides what is managable and what

parameters should be under his/her control.

Animation Pipeline

• Animation

– Tools for you

• Programming environment: C, C++, jav
• 3D API: OpenGL / DirectX / java3D

Remember This?

an·i·ma·tion (n)

a motion picture made from a series of drawings simulating motion by means of slight progressive changes in the drawings

Animation Pipeline

• Animation

– A note about timing

• Film Frame Rate: 24 frames/sec
• Video Frame Rate: approx. 30 frames / sec.
• Realtime Frame Rate: variable

– MUST CONSIDER WHEN doing realistic animation.

Animation Production

Story Model Lighting Shading Animation Layout

Animation Pipeline

• Lighting

– Set up virtual lighting to achieve visual goals. – Tools for you

• See shading & animation

Animation Production

Story Model Lighting Shading Animation Camera Layout

Animation Pipeline

• Camera

– Render frames and assemble – Tools for you – Rendering

• Renderman
• POV-Ray
• Maya/3DSM
• Radiance
• OpenGL/DirectX – real time

Animation Pipeline

• Camera

– Render frames and assemble – Tools for you – Assembly

• OpenGL/DirectX – real time
• Non-real time

– Adobe Premiere ($$$) – VideoWave III ($$$) – AVI Creator / Netpbm

Animation Production

Story Model Lighting Shading Animation Camera Layout Voice Foley Postprocess

Animation Pipeline

• If you wish to add sound

– Voice drives animation (lip sync) – Animation drive sound effects (foley) – Background music. – Tools for you:

• OpenAL/DirectSound – real time
• Non-real time

– Also allows for titles, transitions, editing, etc, » Adobe Premiere ($$$) » VideoWave III ($$$) » Window Movie Maker

Animation Pipeline

• Questions?

Next Time

• Animation Pipeline
• Defining orientation and transformations.
• Keep thinking of Project Ideas.

– Proposals are due before you know it.

Remember

• Class Web Site:

– http://www.cs.rit.edu/~jmg/animation

• Any questions?