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The effect of the distribution of measurement points around the node on the accuracy of interpolation of the digital terrain model

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  • Dariusz Gosciewski

Abstract

Contemporary land information systems allow the generation of models of numerical surfaces by applying a number of interpolation algorithms. The appropriate selection of measurement points included in the calculations is one of the key factors influencing the quality and accuracy of interpolation. Properly selected points contribute to improving the accuracy of the generated surface models and to shortening the computation process. This paper analyzes the effect of the location and density of measurement points on the accuracy of interpolation surfaces in view of the morphological differentiation of the generated models. Copyright The Author(s) 2013

Suggested Citation

  • Dariusz Gosciewski, 2013. "The effect of the distribution of measurement points around the node on the accuracy of interpolation of the digital terrain model," Journal of Geographical Systems, Springer, vol. 15(4), pages 513-535, October.
  • Handle: RePEc:kap:jgeosy:v:15:y:2013:i:4:p:513-535
    DOI: 10.1007/s10109-012-0176-x
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    Keywords

    Digital terrain model; GRID structure; Interpolation algorithms; C18; C31; C61; C63;
    All these keywords.

    JEL classification:

    • C18 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Methodolical Issues: General
    • C31 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models
    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques

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