As-Rigid-As-Possible Shape Manipulation

We present an interactive system that lets a user move and deform a two-dimensional shape without manually establishing a skeleton or freeform deformation (FFD) domain beforehand. The shape is represented by a triangle mesh and the user moves several vertices of the mesh as constrained handles. The system then computes the positions of the remaining free vertices by minimizing the distortion of each triangle.

By Takeo Igarashi, Tomer Moscovich, John F. Hughes.

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