PyEBSDIndex

Python based tool for Radon based EBSD orientation indexing.

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The pattern processing is based on a GPU pipeline. Details can be found in D. J. Rowenhorst, P. G. Callahan, H. W. Ånes. Fast Radon transforms for high-precision EBSD orientation determination using PyEBSDIndex. Journal of Applied Crystallography, 57(1):3–19, 2024. and is based on the work of S. I. Wright and B. L. Adams. Metallurgical Transactions A-Physical Metallurgy and Materials Science, 23(3):759–767, 1992, and N. Krieger Lassen. Automated Determination of Crystal Orientations from Electron Backscattering Patterns. PhD thesis, The Technical University of Denmark, 1994.

The band indexing is achieved through triplet voting using the methods outlined by A. Morawiec. Acta Crystallographica Section A Foundations and Advances, 76(6):719–734, 2020.

Additionally NLPAR pattern processing is included (original distribution NLPAR; P. T. Brewick, S. I. Wright, and D. J. Rowenhorst. Ultramicroscopy, 200:50–61, May 2019.).

Documentation with installation instructions, a user guide, API reference, changelog, and contributing guide is available at https://pyebsdindex.readthedocs.io.

Installation

See the documentation for installation instructions.

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Credits

Author/Maintainer: Dave Rowenhorst

GitHub Statistics

Data verified by PyPI on Jul 4, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Other/Proprietary License (This software, PyEBSDIndex, was developed by employees of the US Naval Research Laboratory (NRL), an)

Requires

Python >=3.10

Provides Extra

all dev doc gpu parallel tests

Tags

EBSD HI NLPAR Radon indexing electron backscatter diffraction

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