Rapid Qualification of Mereotopological Relationships Using Signed Distance Fields

R. Schubotz, Christian Vogelgesang, D. Rubinstein
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Abstract

Although mereotopological relationship theories and their qualification problems have been extensively studied in R^2, the qualification of mereotopological relations in R^3 remains challenging. This is due to the limited availability of topological operators and high costs of boundary intersection tests. In this paper, a novel qualification technique for mereotopological relations in R^3 is presented. Our technique rapidly computes RCC-8 base relations using precomputed signed distance fields, and makes no assumptions with regards to complexity or representation method of the spatial entities under consideration.
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利用符号距离域快速确定微拓扑关系
虽然在R^2中已经广泛地研究了气象拓扑关系理论及其定性问题,但在R^3中气象拓扑关系的定性仍然具有挑战性。这是由于拓扑算子的可用性有限和边界交集测试的高成本。本文提出了一种新的R^3元拓扑关系的定性方法。我们的技术使用预先计算的带符号距离域快速计算RCC-8基关系,并且不考虑所考虑的空间实体的复杂性或表示方法。
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