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A python package for working with crystal orientations in transmission electron microscopy

Project description

pycotem

pycotem is a python package for working with crystal orientations in transmission electron microscopy. It provides 6 GUI tools to:

  • determine orientation from diffraction patterns: diffraction

  • determine orientation from Kikuchi patterns: kikuchi

  • work with stereographic projections: stereoproj

  • determine interface normal and direction from images: interface

  • determine orientation relationship and misorientation between two crystals: misorientation

  • display crystal projection on a plane and draw dichromatic patterns: crystal

Getting Started

Prerequisites

pycotem relies on python2.7 with numpy>=1.13.3, pillow>=5.3.0, matplotlib>=2.1.1 packages which can be installed with pip. GUI relies on pyqt4.

Installing and running

pycotem can be installed with pip: pip install pycotem Run python -m pycotem.xxxx for the different tools: stereoproj, diffraction, kikuchi,misorientation,interface and crystal.

Examples

Image files and setting parameters are provided in the test directory in the github repository for testing diffraction, interface and kikuchi.

Contributing

Contributions, bug issues, requests and comments can be adressed directly or through pull-request on github.

Authors

F. Mompiou, with idea from RX Xie (Tsinghua Univ), J. Du (Tsinghua Univ.) and the contribution of G. Perret (Univ. Toulouse).

License

This project is licensed under the GPL-3.0 License.

Project details


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