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Overview of Fall Semester

Overview of Fall Semester. Glenn Bresnahan glenn@bu.edu. Semester 1 Syllabus. Introduction – Maria, Glenn, Felix, Greg (2 classes) Collaborative Art Project - Felix (6 classes) Introduction to Virtual Reality – Glenn (1 class) Corel Painter I – Laura (3 classes)

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Overview of Fall Semester

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  1. Overview of Fall Semester Glenn Bresnahan glenn@bu.edu

  2. Semester 1 Syllabus • Introduction – Maria, Glenn, Felix, Greg (2 classes) • Collaborative Art Project - Felix (6 classes) • Introduction to Virtual Reality – Glenn (1 class) • Corel Painter I – Laura (3 classes) • Principles of sound – Glenn, Robert (2 classes) • Digital Audio – Manny (3 classes) • Native American imagery – Greg (1 class) • Using Digital Media in VR– Erik, Robert (3 classes) BPC: Art and Computation – Summer 2007

  3. Semester 1 Syllabus (continued) • Field trip to Chaco Canyon and discussion – Maria (2 classes) • Principles of animation – Erik (1 class) • Corel Painter II – Laura (3 classes) • Building a virtual world – Graph Paper World – Erik (3 classes) • Planning final project– Maria, Felix (2 classes) • Principles of digital images – Glenn (2 classes) • Final project work – Felix, Erik (6 classes) BPC: Art and Computation – Summer 2007

  4. Lesson Plans BPC: Art and Computation – Summer 2007

  5. Lesson Plan Materials http://scv.bu.edu/BPC • Lesson plans as Web pages • PDF files for entire semester • PowerPoint lecture materials for most segments • Ancillary files (homework assignments, documentation, etc). • Reference material pointers BPC: Art and Computation – Summer 2007

  6. High Level Summary of Semester I • Create a context and framework for collaborative project using Native American aesthetics • Introduce concepts of 3D graphics and VR • Creation and manipulation of digital images (Corel) • Principles of audio and digital audio processing (Audacity) • Principles of digital images and vision • Principles of 2D (cell) animation • Using 2D images and digital audio in a VR environment (DAFFIE) BPC: Art and Computation – Summer 2007

  7. Lesson #1 – Intro to Art & Computation • Provide an orientation to the class • Background, rational and funding • Use of video conferencing (AG) • Introductions of students and teachers • Syllabus • Expectations & grading • Expose the students to Virtual Reality • Demonstrate one or more VR worlds • have students navigate in VR space • Explain 3D stereoscopic effect BPC: Art and Computation – Summer 2007

  8. Lesson #3 – Intro to Virtual Reality • Introduces the concepts of 3D displays, VR, computer graphics, animation, and DAFFIE software • Stereopsis • Principles of animation • Fundamentals of mathematical / geometric modeling and digital representation • Projection and perspective • Computer rendering http://scv.bu.edu/BPC/MaterialsFall06/lectures/BPC-Class-VR-Overview.ppt BPC: Art and Computation – Summer 2007

  9. Stereopsis and 3D Displays • Stereopsis and binocular vision • Methods of stereoscopic display • Anaglyphs (e.g. red/blue glasses) • Binocular devices (e.g. ViewMaster) • Polarization BPC: Art and Computation – Summer 2007

  10. 3D display - polarization • Polarizing filters used to align light • Filters rotated 90 degrees block light • Two projectors, one per eye view • Polarizing filters rotated 90 degrees • Matching glasses BPC: Art and Computation – Summer 2007

  11. Animation • Sequence of still images played over time (flicker fusion frequency) • Basis of film, video, computer animation BPC: Art and Computation – Summer 2007

  12. Rendering & Perspective Projection • Projection of 3D world onto 2D plane • Artistic, photographic and computer rendering BPC: Art and Computation – Summer 2007

  13. Computer Rendering and Models BPC: Art and Computation – Summer 2007

  14. Numerical/Geometric Models begin ./table/items <default> setxfm 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 1.000000e+00 putprp cull 1 begin ./table/items/cube polygon setxfm 1.500000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 1.500000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 1.500000e+00 0.000000e+00 2.000000e+00 -1.500000e+00 -1.250000e+00 1.000000e+00 defpnt 1 -1.000000e+00 -1.000000e+00 -1.000000e+00 defpnt 2 -1.000000e+00 1.000000e+00 -1.000000e+00 defpnt 3 1.000000e+00 1.000000e+00 -1.000000e+00 defpnt 4 1.000000e+00 -1.000000e+00 -1.000000e+00 defpnt 5 -1.000000e+00 -1.000000e+00 1.000000e+00 defpnt 6 -1.000000e+00 1.000000e+00 1.000000e+00 defpnt 7 1.000000e+00 1.000000e+00 1.000000e+00 defpnt 8 1.000000e+00 -1.000000e+00 1.000000e+00 defpoly 1 2 3 4 0 defpoly 8 7 6 5 0 defpoly 3 7 8 4 0 defpoly 2 1 5 6 0 defpoly 2 6 7 3 0 defpoly 1 4 8 5 0 putprp color 3ff end ./table/items/cube BPC: Art and Computation – Summer 2007

  15. Computer animation • Generate multiple images by changing the viewing (i.e. camera) position • Reposition one or more objects between frames BPC: Art and Computation – Summer 2007

  16. Computer animation • Render a sequence of models BPC: Art and Computation – Summer 2007

  17. Computer animation BPC: Art and Computation – Summer 2007

  18. DAFFIE Software Distributed Applications Framework For Immersive Environments Glenn Bresnahan Erik Brisson Robert Putnam BPC: Art and Computation – Summer 2007

  19. DAFFIE Worlds • Shared space divide into rooms • Doorways (portals) between rooms • Rooms contains objects • Objects • 3D appearance (3D model) • May be animated (sequences of models) • May have an appliquéd (2D) image (textures) • May have associated sounds (digital audio) • May react to avatars (people) or other objects (behaviors via agents) BPC: Art and Computation – Summer 2007

  20. Sounds and Images in DAFFIE • Images may be appliquéd to the surface of an object (flat or curved) • Sounds may be attached to objects (locations in 3D) • Images & objects may be sequenced to generate animation BPC: Art and Computation – Summer 2007

  21. Project Development – Semester 1 • Develop symbols and imagery • Acquire and manipulate digital images (Corel) • Map images onto “canned” virtual world (imagecp) • Collect and manipulated digital audio (Audacity) • Add audio to virtual world (imagecp) • Conceptualize final project • Layout (plan) virtual world using simple building blocks (gpw) • Integrate layout, images and sound in world BPC: Art and Computation – Summer 2007

  22. Project Development – Semester 2 • Develop 2D (cell) animation (Corel) • Texture map animation into virtual world • Develop programs to manipulate (move) objects in virtual world (Logo) • Conceptualize and design 3D world • Develop 3D animated model sequences (Maya) • Integrate virtual world with objects, sounds, etc. BPC: Art and Computation – Summer 2007

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