Raster-Based Parallel Multiplicatively Weighted Voronoi Diagrams Algorithm with MapReduce

Chapter
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 254)

Abstract

While Voronoi diagram has been used in many fields, most vector-based methods of generating Voronoi diagrams focus mostly on point features, but they have difficulties in handling generators like lines or areas, which can be easily generated by raster-based methods, however, with substantial calculation cost. For the sake of integrating Voronoi diagram models with Web GIS, which inevitably encounters generators like lines and areas, we present a parallel algorithm with MapReduce for generating raster-based multiplicatively weighted Voronoi diagrams. The experiments and case studies show that the algorithm significantly improves the efficiency of generating Voronoi diagrams on large-scale raster data with potential use in urban public green space planning and optimal path planning.

Keywords

Weighted Voronoi diagram Parallel algorithm Hadoop MapReduce 

Notes

Acknowledgments

The authors would like to thank the National Natural Science Foundation of China (No. 41271387), the tourism constructing study soft science project of Xian city (No. SF1228-3), and the academician innovation project of Shaanxi Normal University (No. 999521) for the support given to the study.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Department of Computer ScienceShaanxi Normal UniversityXianChina
  2. 2.Department of Computer ScienceFujian Agriculture and Forestry UniversityFuzhouChina

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