Volume CAD-CW-complexes based approach

Authors:
Kiwamu Kase;Yoshinori Teshima;Shugo Usami;Masaya Kato;Shuntaro Yamazaki;Masao Ito;Akitake Makinouchi
Affiliations:
Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan and Armonicos Co., Ltd, Sizuoka, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan and Nil software Co., Tokyo, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan and Nil software Co., Tokyo, Japan;Integrated Volume CAD System Research Program, RIKEN (The Institute of Physical and Chemical Research), Hirosawa 2-1, Wako-shi, Saitama 351-0198, Japan
Venue:
Computer-Aided Design
Year:
2005

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Abstract

In this paper, we propose a novel shape and physical attribute handling system Volume-CAD designated for practical and robust use in the manufacturing process of various industries. The internal data structure 'Kitta Cube' is formalized by CW-complexes. Complex is a structure consisting of different dimensional items with consistency (without gap or overlaps), therefore allowing each volume comprising of a material separated by boundaries to be represented completely. Volume-CAD (VCAD) could be called 'solid and fluid model', as it goes beyond the solid model. As applications of VCAD, this paper discusses surface simplification of Kitta Cubes, cell labeling (three-dimensional coloring), and multiple-materials situation. These models can be used not only for manufacturing but also throughout the product life cycle from shipment tracking until the end of the product life cycle.