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Open Access Publications from the University of California

Density-Equalizing Maps for Simply Connected Open Surfaces


In this paper, we are concerned with the problem of creating flattening maps of simply connected open surfaces in ℝ3Using a natural principle of density diffusion in physics, we propose an effective algorithm for computing density-equalizing maps with any prescribed density distribution. By varying the initial density distribution, a large variety of flattening maps with different properties can be achieved. For instance, area-preserving parameterizations of simply connected open surfaces can be easily computed. Experimental results are presented to demonstrate the effectiveness of our proposed method. Applications to data visualization and surface remeshing are explored.

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