SBM05: Sketch Based Interfaces and Modeling 2005
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Browsing SBM05: Sketch Based Interfaces and Modeling 2005 by Subject "Keywords: Sketch, Geometric Modeling/Reconstruction, Template, Edge Graph, Subdivision method/Surfaces ACM CSS: I.3.5 [Computer Graphics]: Constructive solid geometry (CSG) and Geometric algorithms, languages, and systems. I.3.6 [Computer Graphics]: Interaction techniques"
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Item An Interactive Sketch-based Modeling System using a Topology Library and Subdivision Methods(The Eurographics Association, 2005) Liu, Weizhong; Kondo, Kunio; Mitani, Jun; Joaquim Armando Pires Jorge and Takeo IgarashiWe present a sketch-based modeling system for interactive modeling of a variety of 3D objects. The idea is to con-struct and modify 3D objects, step by step, using a 2D template topology library. The library, called T-LIB, consists of 2D Edge Graphs and the corresponding algorithms to construct and modify 3D objects. The local part of 3D ob-ject around the sketch lines is analyzed as a 2D Edge Graph. Once the Edge Graph can be matched to a template of T-LIB, the 3D object can be generated in a basic shape reconstruction procedure, or modified in a 3D shape modi-fication procedure. After obtaining the solid model, we use a fillet operation and a subdivision method to generate smooth surface objects.