Scalar-Function-Driven Editing on Point Set Surfaces

Authors:
Xiaohu Guo;Jing Hua;Hong Qin
Affiliations:
State University of New York at Stony Brook;State University of New York at Stony Brook;State University of New York at Stony Brook
Venue:
IEEE Computer Graphics and Applications
Year:
2004

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Abstract

This article proposes a new modeling paradigm for local and global editing on point set surfaces. The technique unifies the topological advantage of implicitly defined surfaces, the strength of physics-based modeling techniques, and the simplicity of point-sampled surfaces. The implicit representation not only affords powerful local surface sculpting and global free-form deformation, but also enables users to easily modify the topology of the sculpted point-set. A variety of editing toolkits dynamically manipulates the implicitly defined point-set surface and performs global and local free-form deformations, interactive sketching, embossing, and smoothing. Experiments demonstrate that the proposed methodology augments current point-set-based modeling techniques with a new editing scheme.