Trying to save a rendered Layout in high resolution

I was trying to use a pvpython script (trace generated) to save a screenshot in a higher resolution. However, when I increase the resolution for saving to screenshot, all I get is multiple images of the layout in a single image. The image is attached. I never had this problem until I had to use OSPray for rendered images. Any idea on what could solve this?

The default layout saving works fine. Only when I try increasing the resolution, I see this issue. For example, this is the image I get when I have around 3 times the original resolution along both directions.

I’m afraid OSPRay does not support “Higher then your screen resolution” screenshots.

https://gitlab.kitware.com/paraview/paraview/-/issues/22226
https://gitlab.kitware.com/paraview/paraview/-/issues/19652
https://gitlab.kitware.com/paraview/paraview/-/issues/19366
https://gitlab.kitware.com/paraview/paraview/-/issues/17707

Is there an workaround to this, for example how would the resolution be defined on a headless machine?
Any solution to this to get higher resolution images would be appreciated.

Try Views > Preview

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