Frame buffer jumps on region render

[TerriBrown3D]

Hi,

I'm having a new issue since updating to 5.1. When doing IPR rendering in the frame buffer; when I select a region to render, whatever is in the box sometimes jumps as if the camera has moved position. if I uncheck region render the entire window is then altered. Sometimes it happens, sometimes it doesn't.

[TerriBrown3D]

Just to clarify - I am using CPU not GPU rendering

[hermit.crab]

Most likely you've changed the focus window which IPR renders. You can lock a certain view through the "View to Render" option (under the currently selected Renderer) in the Render Setup.

[TerriBrown3D]

Thanks but that is always locked, so it's not that.

[hermit.crab]

Could you provide a short video illustrating the issue so we can try reproducing it?

[TerriBrown3D]

I will try do a video when I get a chance...for now here are some stills to illustrate. What's odd is that sometimes it happens, sometimes it doesn't

[TerriBrown3D]

In fact as you can see in the following still, the rendered window is different from what has been set in the viewport - there's definite tilting and shifting going on somewhere. The column should be perfectly vertical, plus the gap between the bridge edge on the viewport and rendered window is different.

[hermit.crab]

Could you re-download and reinstall your V-Ray and see if the issue is still present?

[TerriBrown3D]

Ok, I re-installed and the jumping issue seems gone. Yay.

Only now when I change anything the IPR repeats 'Building Light Cache' over and over...definitely another bug

[hermit.crab]

Most likely. Do send the scene via the contact form here so we can take a look. Address it to me and mention a link to this thread in the message.

[TerriBrown3D]

ok thanks. It's sent.

[TerriBrown3D]

Hi Aleksandar. Did you manage to look at the file I sent?

Thanks

[hermit.crab]

Sorry for the later reply. I still haven't received anything, I'm afraid. Could you resend the file?

[hermit.crab]

Thanks for the provided scene. The issue does not occur on my end, however, it is missing a lot of assets. Also, I don't have a GrowFX license to accurately troubleshoot the scene. Could you disable this plugin (and later Forest Pack and Railclone) to determine if these plugins are related to the issue?

[TerriBrown3D]

Sorry but I have only seen this now. Ok I will disable those plugins...not sure how to do that simply & globally? Can I just hide all those elements?

I've just had the same issue on a separate project.