# The 2d field data(eigenvector) without orientation information in Paraview

**URL:** <https://community.freefem.org/t/the-2d-field-data-eigenvector-without-orientation-information-in-paraview/1281>\
**Category:** General Discussion\
**Created:** [October 25, 2021, 5:55am UTC](https://community.freefem.org/t/the-2d-field-data-eigenvector-without-orientation-information-in-paraview/1281 "2021-10-25T05:55:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wby](https://avatars.discourse-cdn.com/v4/letter/w/439d5e/32.png) [@wby](https://community.freefem.org/u/wby)\
**Post date:** [October 25, 2021, 5:55am UTC](https://community.freefem.org/t/the-2d-field-data-eigenvector-without-orientation-information-in-paraview/1281/1 "2021-10-25T05:55:11Z")

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Hi~

Recently, I found that the eigenvector saved in

_FreeFem/share/FreeFEM/4.9/examples/eigen/BeamEigenValue.edp_

When I save the data to the \*.vtu, and there is without orientation information in ParaView.

And the code is here.

[2d-beam-eigen.edp](https://community.freefem.org/uploads/short-url/fE8ddg22Aj2hoTLWhzBuppZ6JUu.edp) (3.0 KB)