# How to get the SSAO value in vtk-python

**URL:** https://discourse.vtk.org/t/how-to-get-the-ssao-value-in-vtk-python/8565
**Category:** Support
**Tags:** python
**Created:** [May 24, 2022, 7:49am UTC](https://discourse.vtk.org/t/how-to-get-the-ssao-value-in-vtk-python/8565 "2022-05-24T07:49:31Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![DD\_G](https://discourse.vtk.org/user_avatar/discourse.vtk.org/dd_g/32/5194_2.png) [@DD\_G](https://discourse.vtk.org/u/DD_G)
#### Post date: [May 24, 2022, 7:49am UTC](https://discourse.vtk.org/t/how-to-get-the-ssao-value-in-vtk-python/8565/1 "2022-05-24T07:49:31Z")

</div>

I try to get the value of SSAO of each pixel in the vtk renderwindow, however, I only find the function

`vtkRenderer.UseSSAOOn()` in the vtk class reference. Is there any solution to directly or indirectly get the SSAO value of each pixel as a matrix?