Journal of Geographical Systems

, Volume 10, Issue 1, pp 89–107 | Cite as

A three-dimensional network-based space–time prism

  • Tijs Neutens
  • Nico Van de Weghe
  • Frank Witlox
  • Philippe De Maeyer
Original Article

Abstract

Time-geographic concepts are effective tools for the geovisualization of human activity patterns and to assess individual accessibility. In their traditional form, however, time-geographic concepts assume uniform travel velocities in an isotropic and homogeneous space. Because transportation systems confine travellers to links of road and rail networks with time-varying flows, these premises are typically unsatisfied in real-world situations. This paper provides an innovative approach to ameliorate the realism and applicability of space–time prisms by developing new three-dimensional space–time objects. Three-dimensional solid models which account for non-uniform movement are discussed, and their usefulness is assessed and illustrated by means of an example.

Keywords

Time geography Space–time prism GIS CAD 

JEL Classification

C60 R40 

Notes

Acknowledgments

The authors would like to thank the anonymous referees for their helpful comments that significantly improved this paper. Grateful acknowledgement is also made to the University Research Fund (BOF-UGent) and the Research Foundation Flanders (Belgium) for financial support.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Tijs Neutens
    • 1
  • Nico Van de Weghe
    • 1
  • Frank Witlox
    • 1
  • Philippe De Maeyer
    • 1
  1. 1.Department of Geography, Faculty of SciencesGhent UniversityGhentBelgium

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