# RenderPointsAsSpheresOn vertice doesn't show

**URL:** https://discourse.vtk.org/t/renderpointsassphereson-vertice-doesnt-show/13455
**Category:** Support
**Created:** [March 5, 2024, 9:17pm UTC](https://discourse.vtk.org/t/renderpointsassphereson-vertice-doesnt-show/13455 "2024-03-05T21:17:25Z")
**Posts on this page:** 1
**Showing post:** 6

<div class="post-metadata">

### Author: ![Paulo\_Carvalho](https://discourse.vtk.org/user_avatar/discourse.vtk.org/paulo_carvalho/32/370_2.png) [@Paulo\_Carvalho](https://discourse.vtk.org/u/Paulo_Carvalho)
#### Post date: [March 7, 2024, 11:00am UTC](https://discourse.vtk.org/t/renderpointsassphereson-vertice-doesnt-show/13455/6 "2024-03-07T11:00:14Z")

</div>

Do you get spheres elsewhere? I mean, try to run the code in another hardware. It is also possible that it is a graphics card driver bug. So, make sure you have the latest version installed.

Unfortunately, `QVTKRenderWindowInteractor` doesn’t seem to have a way to set surface format (if it is using the OpenGL backend) which would be a solution according to [QVTKOpenGLWidget: Vertices disappear when RenderPointsAsSpheresON()](https://discourse.vtk.org/t/qvtkopenglwidget-vertices-disappear-when-renderpointsassphereson/1007).

Perhaps you could take this issue to developers of `QVTKRenderWindowInteractor`, since there is a solution to your issue in the C++ API.

---

_[View the full topic](https://discourse.vtk.org/t/renderpointsassphereson-vertice-doesnt-show/13455)._