GLAcier Feature Tracking testkit

By Whyjay Zheng

Tool for assessing, visualizing and benchmarking the quality of glacier velocity maps.

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Version 1.1 - published on 16 Oct 2023

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The GLAcier Feature Tracking testkit (GLAFT) is a Python package for assessing, visualizing and benchmarking feature-tracked glacier velocity maps. This tool describes its basic usage.


Zheng, W., Bhushan, S., Van Wyk De Vries, M., Kochtitzky, W., Shean, D., Copland, L., Dow, C., Jones-Ivey, R., and Pérez, F.: GLAcier Feature Tracking testkit (GLAFT): a statistically and physically based framework for evaluating glacier velocity products derived from optical satellite image feature tracking, The Cryosphere, 17, 4063–4078,, 2023.

Cite this work

Researchers should cite this work as follows:

  • Whyjay Zheng; Shashank Bhushan; Erik Sundell. (2023, October 6). whyjz/GLAFT: GLAFT 1.0.0. Zenodo.
  • Whyjay Zheng (2023), "GLAcier Feature Tracking testkit,"

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