# png images can't show to renderwindow

**URL:** https://discourse.vtk.org/t/png-images-cant-show-to-renderwindow/4722
**Category:** Support
**Created:** [November 24, 2020, 3:02am UTC](https://discourse.vtk.org/t/png-images-cant-show-to-renderwindow/4722 "2020-11-24T03:02:03Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Lisa](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/l/f08c70/32.png) [@Lisa](https://discourse.vtk.org/u/Lisa)
#### Post date: [November 24, 2020, 3:02am UTC](https://discourse.vtk.org/t/png-images-cant-show-to-renderwindow/4722/1 "2020-11-24T03:02:03Z")

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Based on vtk8.2.0,use vtkImageActor and vtkPNGReader to render png images,but png images can’t show to renderwindow On some machines.

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### Author: ![Joachim\_P](https://discourse.vtk.org/user_avatar/discourse.vtk.org/joachim_p/32/3272_2.png) [@Joachim\_P](https://discourse.vtk.org/u/Joachim_P)
#### Post date: [November 25, 2020, 10:04pm UTC](https://discourse.vtk.org/t/png-images-cant-show-to-renderwindow/4722/2 "2020-11-25T22:04:50Z")

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Thanks for the report but we will need more details on what you do and on which machines there is an issue to find a potential bug.