# Order of integration with integrate variables filter

**URL:** https://discourse.paraview.org/t/order-of-integration-with-integrate-variables-filter/6265
**Category:** ParaView Support
**Created:** [January 21, 2021, 1:22pm UTC](https://discourse.paraview.org/t/order-of-integration-with-integrate-variables-filter/6265 "2021-01-21T13:22:25Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![kschau](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/k/a5b964/32.png) [@kschau](https://discourse.paraview.org/u/kschau)
#### Post date: [January 21, 2021, 1:22pm UTC](https://discourse.paraview.org/t/order-of-integration-with-integrate-variables-filter/6265/1 "2021-01-21T13:22:25Z")

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What is the order of accuracy for ParaView/VTK’s various integration implementations.

If I have a 2D slice that is triangulated, what is the order of accuracy for that surface integration with the IntegrateVariables filter?