Web-NDefA: Open-source and web-based online platform for 3-D deformation analysis of geodetic networks

Mehmet Bak*, Rahmi Nurhan Çeli̇k

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The static deformation analysis model and similarity (S)-transformation method are widely used for monitoring deformations in geodetic networks. With this popular analysis method, it is possible to determine the three-dimensional (3D) displacements in geodetic Global Navigation Satellite System (GNSS) deformation networks with high accuracy. However, since the mathematical functions in these methods are numerous and advance, deformation analyses are carried out with academic software that is not easily accessible or with expensive commercial software. Web-based GNSS software is readily available and highly beneficial to users. However, there is a need for a widely accessible web-based software package that can meet the user's requirements. Here, we create a web-based online open-source platform called “Web-NDefA (Web-Based Network Deformation Analysis)” developed using JavaScript libraries for 3D static deformation analysis. The Web-NDefA platform provides an alternative solution for the fast, simple and visual determination of deformations in geodetic GNSS networks. Through this platform, it is possible to detect crustal and landslides movements, determine ground collapses and identify deformations in engineering structures.

Original languageEnglish
Article number101523
JournalSoftwareX
Volume24
DOIs
Publication statusPublished - Dec 2023

Bibliographical note

Publisher Copyright:
© 2023 The Author(s)

Funding

We would like to express our gratitude to the International GNSS Service (IGS), the Crustal Dynamics Data Information System (CDDIS), Scripps Orbit and Permanent Array Center (SOPAC), CORS-TR and ISKI-CORS for the IGS precise orbits and GPS data. We would also like to express our thanks to the editor and anonymous referees for their valuable comments on the manuscript. No funding was obtained for this study.

FundersFunder number
CORS-TR
Crustal Dynamics Data Information System
ISKI-CORS
Scripps Orbit and Permanent Array Center

    Keywords

    • 3D static deformation analysis
    • Computational platform
    • GNSS
    • Open-source software
    • S-transformation

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