# How to pass data between VTK and netgen directly WITHOUT writing/reading files?

**URL:** https://discourse.vtk.org/t/how-to-pass-data-between-vtk-and-netgen-directly-without-writing-reading-files/6776
**Category:** Support
**Created:** [October 7, 2021, 5:03pm UTC](https://discourse.vtk.org/t/how-to-pass-data-between-vtk-and-netgen-directly-without-writing-reading-files/6776 "2021-10-07T17:03:51Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![AlexLuya](https://discourse.vtk.org/user_avatar/discourse.vtk.org/alexluya/32/4036_2.png) [@AlexLuya](https://discourse.vtk.org/u/AlexLuya)
#### Post date: [October 7, 2021, 5:03pm UTC](https://discourse.vtk.org/t/how-to-pass-data-between-vtk-and-netgen-directly-without-writing-reading-files/6776/1 "2021-10-07T17:03:51Z")

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I knew how to exchange data by file,but it is verbose,so how to pass data to each other directly without writing/reading files?