Comparative Study of Inverse Power of IDW Interpolation Method in Inherent Error Analysis of Aspect Variable

  • Neeraj Bhargava
  • Ritu Bhargava
  • Prakash Singh Tanwar
  • Prafull Chandra Narooka
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 10)

Abstract

This paper deals with inherent error analysis of aspect variable using IDW interpolation method and its various power values. In the first section, it shows aspect analysis method and algorithm. In the second section, it creates a DEM model from various measured and erroneous elevated points which becomes input to calculate aspect of interpolated DEMs separately then error is calculated by calculating difference of the aspect for true and erroneous aspect. It explores error analysis of aspect with its practical implementation in ArcGIS. In the last section, it explains the comparison of errors on aspect for various power of IDW method. Result shows that aspect error decreases with the increment in the inverse power of distance in IDW method.

Keywords

3D GIS Aspect Error analysis IDW Interpolation 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Neeraj Bhargava
    • 1
  • Ritu Bhargava
    • 2
  • Prakash Singh Tanwar
    • 3
  • Prafull Chandra Narooka
    • 3
  1. 1.Department of Computer Science, School of Engineering & System SciencesM.D.S. University AjmerAjmerIndia
  2. 2.Department of Computer ScienceAryabhatt International CollegeAjmerIndia
  3. 3.Department of Computer ScienceMJRP UniversityJaipurIndia

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