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Creating Tactile Captions In Three-Dimensional Computer- Aided Design Stewart Dickson, Visualization Researcher Computer Science and Mathematics Division.

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Presentation on theme: "Creating Tactile Captions In Three-Dimensional Computer- Aided Design Stewart Dickson, Visualization Researcher Computer Science and Mathematics Division."— Presentation transcript:

1 Creating Tactile Captions In Three-Dimensional Computer- Aided Design Stewart Dickson, Visualization Researcher Computer Science and Mathematics Division

2 u1[a_,b_] := 0.5 (e (a + I*b) + e (- a - I*b) ) u2[a_,b_] := 0.5 (e (a + I*b) - e (- a - I*b) ) z1k[a_,b_,n_,k_] := e (k*2*Pi*I/n) *u1[a,b] (2.0/n) z2k[a_,b_,n_,k_] := e (k*2*Pi*I/n) *u2[a,b] (2.0/n) {x, y, z} -> { Re[z1k[a,b,n,k1]], Re[z2k[a,b,n,k2]], Cos[alpha]*Im[z1k[a,b,n,k1]] + Sin[alpha]*Im[z2k[a,b,n,k2]]} a: (-1.0,1.0); b:(0, Pi/2); k2: (0, n - 1) k1: (0, n - 1) Creating Tactile Mathematics Calabi-Yau Manifold (with Andrew Hanson)

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4 r1 = 1.0 r2 = 3.0 Bx [u_, v_] := (r2 + r1 * Cos[u/2.0]) * Cos[u/3.0] By [u_, v_] := (r2 + r1 * Cos[u/2.0]) * Sin[u/3.0] Bz [u_, v_] := r1 * Sin[u/2.0] x [u_, v_] := N[Bx [u, v]] + r1 * Cos[u/3.0] * Cos[v - Pi] y [u_, v_] := N[By [u, v]] + r1 * Sin[u/3.0] * Cos[v - Pi] z [u_, v_] := N[Bz [u, v]] + r1 * Sin[v - Pi] Trefoil Torus-Knot: TactileMathematics

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9 Nude in a Red Armchair" by Pablo Picasso, Original image provided by the Tate Museum.

10 Molecular diagram

11 Sheet music made tactile on Tiger for example

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13 Tactile Microscopy

14 Tactile Chemical Modeling

15 Molecular SLA Models

16 “The Optiverse” (1998) by George Francis, John Sullivan, Stuart Levy

17 “The Optiverse” (1998) by George Francis, John Sullivan, Stuart Levy

18 Physical Models from Scientific Simulation

19 Physical Models from Scientific Simulation

20 Physical Models from Scientific Simulation

21 Professor Bernard Morin

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23 Captions on a Mathematical Surface in Computer Graphics

24 Captions on a Tactile Mathematical Surface

25 DotsPlus Braille Captions on a Mathematical Surface

26 Parametric Surface Implicit Surface Thicken STL File Steps to Tactile Mathematics Slice and Build Captions CAD

27 Thickening a Polygon Mesh in CAD -V0’ = V0 - t X N0 V0’ = V0 + t X N V0 V1 V2 -N0 -N1 N1 -V1’ -V2’

28 Documentation: DotsPlus ®

29 Documentation: DotsPlus ® 3-D

30 3-D Braille Dot Geometry in CAD

31 3-D Braille Typesetting in CAD

32 3-D Braille Typesetting in CAD

33 3-D Braille Typesetting in CAD/CAM

34 Braille Typesetting in 3-D CAD

35 U N V Local, Parametric Coordinate Space

36 ParaMeshMap for Open Inventor TM

37 Problems with Current Tools Maya Creep Node requires NURBS Surfaces NURBS Surfaces do not port to Rapid Prototyping Scientific Visualization does not produce NURBS Surfaces Proposed Solution Pseudo Curve-on-Polygon Surface (X 4) -> Parametric Region -> SoQuadMesh or NURBS -> Creep/ParaMeshMap

38 Version 0.1 MacOS-X 10.2 PPC DotsPlus ® 3-D for Alias Maya Open Inventor TM Apple MacOS-X Linux i386 SGI Irix 6.5

39 Science Access Research sponsored by Computer Science and Mathematics Division of Oak Ridge National Laboratory, managed by UT-Battelle, LLC for the U.S. DOE under Contract No. DE-AC05-00OR22725.

40 References: Stephen Wolfram, The Mathematica Book, John M. Sullivan, George Francis and Stuart Levy, "The Optiverse", Stewart Dickson, "Braille-Annotated Tactile Models …", Steven Wilkinson, 3D Plots of Implicitly Defined Surfaces, Z Corporation, 3-D Printing 3D Systems, Stereolithography

41 References, Continued: Stratasys, Fused Deposition Modeling Marshall Burns, The StL Standard Data Format for Fabbers Mark Preddy, John Gardner, Steve Sahyun, and Dave Skrivanek Dotsplus, CSUN Conference, March Stewart Dickson, "DotsPlus 3-D for Maya", Stewart Dickson, "Braille Typesetting in 3-D …",

42 References, Continued: Stewart Dickson, "fromThreeScript", "Thicken", "tostl”, "ParaMeshMap". Les Piegl, Wayne Tiller; The NURBS Book; New York: Springer-Verlag, 1997; ISBN: Side Effects Software, Inc.


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