Paper: Sketching Interface for Modeling the Internal Structures of 3D Shapes

Sketching Interface for Modeling the Internal Structures of 3D Shapes

Shigeru Ohwada, Frank Nielsen, Kazuo Nakazawa and Takeo Igarashi

Watch this video (27,6 MB) explaining the system. This video (19,3 MB) shows how to model a skull and a heart.

Abstract:
The user input consists of hand-drawn sketches and the system automatically generates a volumetric model. The volumetric representation solves any self-intersection problems and enables the creation of models with a variety of topological structures, such as a torus or a hollow sphere. To specify internal structures, our system allows the user to cut the model temporarily and apply modeling operations to the exposed face. In addition, the user can draw multiple contours in the Create or Sweep stages. Our system also allows automatic rotation of the model so that the user does not need to perform frequent manual rotations. Our system is much simpler to implement than a surface-oriented system because no complicated mesh editing code is required. We observed that novice users could quickly create a variety of objects using our system.

Download the PDF paper SmartGraphics'03 (212 Kb, 9 pages, 10 figures).

The original publication is available at Springer Link.

Bibtex entry:

@InProceedings{onni-simis3ds:2003,
  author = {Shigeru Ohwada and Frank Nielsen and Kazuo Nakazawa and Takeo Igarashi},
  booktitle = {Proceedings of the 4th International Symposium on Smart Graphics},
  title = {A Sketching Interface for Modeling the Internal Structures of 3D Shapes},
  publisher= {Springer-Verlag LNCS 2733},
  pages={49--57},
  year = 2003,
  month = {July}
}

Publication:

Shigeru Ohwada, Frank Nielsen, Kazuo Nakazawa and Takeo Igarashi,
A Sketching Interface for Modeling the Internal Structures of 3D Shapes,
International Symposium on Smart Graphics,
Lecture Notes in Computer Science (LNCS), Springer-Verlag,
pp. 49-57, Volume 2733, 2003.

Last updated, 2003.