How to add transparent visual materials in Isaac Sim?

[user58271]

I want to make some objects “half”-transparent in Isaac Sim.

I found some very cool visual materials here and tuned OmniPBR Opacity parameters. However, it seems that when opacity_constant is below some threshold, the object is completely invisible, even for some large opacity_constant values like 0.8.

Did I miss something? How to control opacity in Isaac Sim?

[toni.sm]

Hi @user58271

The following post may help:

Opacity adjustment not working

You are using the RTX Realtime mode - there is a cutoff threshold for opacity in this mode, that is set to 1. If you change to path-traced you’ll have the full range of opacity available. To use Opacity in Realtime mode, go to the render settings tab on the right panel, and on Translucency check the “Enable Fractional cutout Opacity”. Results will be subpar, though: [image] [image] Ideally, you should use a translucent material. For best results you should use RTX - Interactive (Path traced) …