Haiyi

> I use UE5 as my dev, I find the render optical flow just `rg` channel has value, does that mean it is forward optical flow? And is the rendered...

Hi, firstly, you can try to use this [class](https://github.com/openxrlab/xrfeitoria/blob/main/xrfeitoria/utils/viewer.py#L101) to visualize the flow to see if it's weird.

I guess it's because the object is too far away from the camera? The optical flow is in camera space, so the value is tiny. Try to place the object...

Hi @dnqf11, can I get the output of your terminal after running this: `python -m xrfeitoria.utils.publish_plugins build-unreal -u "C:/Program Files/Epic Games/UE_5.3/Engine/Binaries/Win64/UnrealEditor-Cmd.exe"`

So inside the folder `C:\Users\Downloads\xrfeitoria\src\dist\XRFeitoriaUnreal-0.6.2-Unreal5.3-Windows`, is there a subfolder called `Binaries`? Missing of `Binaries` is usually the reason why UE asks you to rebuild. You have your Visual Studio installed...

Install Visual Studio and try again. The publishing tool utilizes an unreal tool that relies on Visual Studio.

@Guo0323 You are using Unreal Engine or Blender?

Sorry, so far there's no way to set up HDR map in Unreal using XRFeitoria, but it's possible to add this feature in the future version. For now, you can...

I'm encountering sth similar, I'm using claude code in [E2B](https://e2b.dev/), but I cannot get output. Are there any updates about this issue?

I wanna share our repo of synthetic data rendering [XRFeitoria](https://github.com/openxrlab/xrfeitoria). With this Python package, you can render RGB and annotations through Blender using the system Python. Check out the sample...