2006 3D M

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1 2006 3D M

2 2006 3D : M DCG 3DCG 3DCG 3D 3 3D SKETCH 3D Teddy

3 DModelingTool Dice I

4 ON OFF Dice UP II

5 D 3D X,Y,Z 3 3D 1 4 3D 3 1

6 3 3D 3 V.Branco[1] Robert C.Zeleznic SKETCH [2] 3D 2 3 3D [3] [10] 3D 3D 3 2

7 [11][12][13][14] Teddy [15] 3D 3 GUI 2 [16] e-frontier 3D [17] Teddy Teddy Teddy Teddy 3 3

8 2 3D

9 2 3DModelingTool Dice Dice 2.1 Dice Dice 5

10 {M 0, M 1,..., M n } M i L L M k M k M 0 M n Dice 6

11 3 1 R (2.1) P (2.2) M 0 M n R = M n 2 M 0 2 (2.1) P = M 0 + M n 2 2 (2.2) 1 L R (2.3) H (2.4) P (2.5) R = M n M k 2 (2.3) H = M k M 0 (2.4) P = M k + M n 2 (2.5) 7

12 1 L W (2.6) H (2.7) P (2.8) W = M n M k (2.6) H = M k M 0 (2.7) P = M 0 + M n 2 (2.8) y = 50 x = 50 x = 50 z = 50 3 M P B MB H (2.9) P = H (MB) (2.9) 8

13 M [19] R T M (2.10) M = TR (2.10) T R M (2.9) 2.3 B P B P M [20] H B = M 1 H 1 (P ) (2.11) 9

14 3 Dice 3DCG FKSystem[18] Dice 3.1 (Sphere) (Prism) (Cone) (Block) 3.1 Sphere

15 3.1: 3.2: Dice Dice

図 3.3: 投影モデルの頂点のピック図 3.4: 投影モデルの頂点の移動図 3.

16 図 3.3: 投影モデルの頂点のピック図 3.4: 投影モデルの頂点の移動図 3.5: モデルを上方から見た図図 3.6: モデルを奥側から見た図ユーザは Shadow ON/OFF スイッチで投影モデルを必要に応じて可視か不可視に切り替えることが出来るまた LineClear ボタンで描画ストロークを ModelClear ボタンで最新の形状モデルと投影モデルを ShadowClear ボタンで全ての投影モデルを AllClear ボタンで画面内にある全ての形状モデルと投影モデルを消去するキーボード十字キーでカメラの視点を操作し CameraInit 12

17 : ON 3.8: OFF 4 6 X,Y,Z : 3.10: 13

18 Dice : Dice : 14

19 : 3.14: 15

20 3.15: 1UP 16

21 : 3.17: : 3.19: 17

22 3.3 Dice GUI Undo 18

23 4 4.1 Dice 19

24 4.2 Dice Dice 3D Dice 3D 4 Dice 20

25 5 3 3D Dice Dice 21

26 TUTWinds 22

27 [1] V.Branco, A.Costa, F.N.Ferriera, Sketching 3D Models with 2D interaction devices, Proc. of Eurographics, [2] R.C.Zeleznic, K.P.Herndon, J.F.Hughes, SKETCH:An Interface for Sketching 3D Scene, Proc. of SIGGRAPH, [3] M.Akeo, H.Hashimoto, T.Kobayashi, T,Shibusawa, Computer Graphics System for reproducing three dimentional shape from idea sketch, Eurographics 94 Proceedings, [4], 3,, [5], 3,, [6],,,,, [7] A.P.Pentland, Local shading analysis, IEEE Trans.Pattern Analysis and Machine Intelligence, [8], 3 2,,

28 [9],,, 3, CAD, [10] S.Sugishita, K.Kondo, H.Sato, S.Shimada, Sketch Interpreter for geometric modeling, Annlals of Numerical Mathematics 3, [11],,, 3,, [12] T.Tanaka, S.Naito, T.Takahashi, Generalized symmetry and its application to 3D shape generation, Visual Computer, [13] L.Markosian, M.A.Kowalski, S.J.Trychin, L.Bourdev, D.Goldstein, J.F.Hughes, RealTime Nonphotorealistic Rendering, Proc. if SIGGRAPH, [14] D.Pugh, Designing solid objects using interactive sketch interpretation, Computer Graphics, [15] T.Igarashi, S.Matsuoka, H.Tanaka, Teddy:A Sketching Interface for 3D Freeform Design, Proc. of SIGGRAPH, [16] TAITO,, < [17] e-frontier, 2, < [18], FK Tool Kit System, < [19],, Roman Durikovic,, Carl Vilbrandt,,, [20],,,,

2010 : M CG 3DCG 3 3

2010 : M CG 3DCG 3 3 2010 M0107432 2010 : M0107432 3 3 CG 3DCG 3 3 1 1 1.1............................ 1 1.2.............................. 2 2 3 2.1................................. 3 2.2 3........................ 4 2.3.................................