The KITE geometry manipulator

Slava Pranovich

TU/e

Dept. Math. and Computer Science

Introduction

• Architectural design

• 2D drawing

• Geometrical manipulator

Manipulators overview

• Box based approach:– MacDraw– Microsoft PowerPoint

+ simplicity

+ intuitiveness

- inflexibility

- rectangularity

Manipulators overview

• Frame based approach:– Maya– 3D Studio MAX

+ flexibility

- complexity

KITE: the aim

• Efficiency

• Flexibility

• Enhanced set of transformations

• Direct manipulation style of interaction

KITE

S caling

S ca ling

S kew ingS kew ing

KITE

Video…

Tests

• Ten users

• Three types of manipulators

• Five different tasks

• Evaluation criteria

Results

0

50

100

150

200

250

Efficiency of use0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

Perceived flexibility0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

Subjectivesatisfaction

Conclusion

• KITE combines the benefits:– Efficiency– Flexibility

• Enhanced set of transformations is provided

• Users like KITE most

Thanks

Assignment

3D