A procedure for computing the symmetric difference of regions defined by polygonal curves

@article{Gaspar2014APF,
  title={A procedure for computing the symmetric difference of regions defined by polygonal curves},
  author={Miguel Belbut Gaspar and Nelson Martins-Ferreira},
  journal={J. Symb. Comput.},
  year={2014},
  volume={61},
  pages={53-65}
}
Given any two regions A, B in the plane, defined by polygonal (simple, closed and oriented) curves, associated with their respective boundaries, we describe a procedure to compute the symmetric difference A⊕B. The output is also presented in the form of polygonal curves, where in particular the curves describing the union A∪B, the intersection A∩B, the difference A\B, and the complement of the difference B\A, are also obtained. This is related with the two equivalent formulas to compute the… CONTINUE READING
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