Computer Graphics at University of Toronto

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1 Computer Graphics at University of Toronto

2 2

3

4 Modeling

5 5 Geometry Processing is biology

6 6 Geometry processing studies the life of a shape birth e.g., scan of a physical object or modeling in Maya

7 7 Geometry processing studies the life of a shape analysis and manipulation

8 8 Geometry processing studies the life of a shape consumptio n Image courtesy Romain Prévost 3d printing

9 9 Geometry Processing Winter 2018

10 10 Geometry Processing Winter 2018 Prerequisites: Linear Algebra, Calculus Computer Programming Weekly, small coding

11 11 Problems in Geometry Processing

12 12 Alec Jacobson University of Toronto

13 Physical Simulation

14

15

16

17 Really its like Graphics

18 Computational Fabrication

19 3D Printing = Additive Manufacturing

20 Additive Manufacturing Technologies Fused deposition modeling (FDM) Stereolithography (SLA) DLP 3D printing Selective laser sintering (SLS) Direct metal laser sintering (DMLS) Plaster-based 3D printing (PP) Photopolymer Phase Change Inkjets Thermal Phase Change Inkjets Laminated object manufacturing (LOM)

21 3D Printing Process Slice 3D model into layers

22 3D Printing Process Slice 3D model into layers Manufacture layers one by one (e.g., bottom-up) Source:

23 Applications: Dental and Medical Industries Crowns, copings, bridges Custom Hearing Aid Implants Prosthetics Source: Envisiontec, on3dprinting.com

24 Applications: Architecture & Design Source: aecbytes.com, Z Corp, object.com

25 Applications: Automotive Honey comb Tires 3D Printed Ventilation Prototype (High Temperature Source: gizmodo.c

26 Applications: Aerospace 3D printed fuel injection nozzle for a jet engine Airbus wing brackets Source: GE, 3dprintingindustry.com

27 Applications: Jewelry Direct metal printing and casting patterns Source: Shapeways, replicatorinc.com

28 Applications: Footwear Source: 3dprintingindustry.com,.rapid3d.co.za

29 Applications: Consumer Home Products Source: Shapeways

30 Applications: Toys & Gadgets Source: Shapeways, singularityhub.com, MyRobotNation.com

31 Applications: Art Source: Shapeways, Carlo Sequin, techdigest.tv

32 Applications: Education Source: printcountry.com, designfax.net

33 Self Assembly

34 Self Assembly

35 Solid Modeling Represent solid interiors of objects Visible Human SUNY Stony

36 Why Volumetric Representations? Some acquisition methods generate solids Magnetic Resonance Imaging (MRI) Computed Tomography (CT/ CAT)

37 Why Volumetric Representations? Some applications require solids CAD/CAM material(s) need to be specified inside the object Multi-material 3D Printing Intergraph Corporation

38 Challenges: Materials Functional Materials Large Material Library for AM Courtesy of Stratasys

39 Challenges: Modeling Materials Focus on 3D geometry Currently one material per part How to model parts composed of many materials?

40 Challenges: Fast and Accurate Simulation Digital Design Simulation

41 Challenges: Fast and Accurate Simulation Digital Design Simulation

42 Interactive Design

43 Jumpers

44 And More!!!

45 Computational Design and Fabrication Course David Levin Course Code: CSC2521 Half-Lecture, Half-Seminar Course, final project only

46 Interactive Techniques

47 47 Course on interactive modeling and animation Karan Singh Seminar style course What is it about? Creative visual communication The transformation of a creative vision into a digital reality, that is easy to refine and reuse.

48 Sketchpad (Ivan Sutherland 1963) Humans have an audio IN and OUT, a video IN but no explicit video OUT!

49

50 MeshMixer [Schmidt, Singh, MeshMixer SIGGRAPH 2010 talks] (acquired by Autodesk Inc.) [Takayama, Schmidt, Singh, Igarashi, Boubekeur, Sorkine, GeoBrush: interactive mesh geometry cloning. Eurographics 2011]

51 Augmented and Virtual Reality

52 What is Virtual Reality? a computer technology that replicates an environment, real or imagined, and simulates a user's physical presence and environment to allow for user interaction. (Wikipedia)

53 Holodeck (Star Trek: The Animated Series 1974)

54 What is Virtual Reality? In general VR is any variant of R where our stimuli and responses are natural or easily learnt! Popular perception of VR is a 360 image viewed in an HMD.

55

56

57 Augmented Reality Combines Real and Virtual Images registered in 3D. Interactive in real-time for virtual content Star Wars Azuma, R. T. (1997). A survey of augmented reality. Presence, 6(4),

58 Pokemon GO..

59

60 Course on AR/VR Karan Singh Seminar style course

61 Rendering

62 soul machines

63

64

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