Failed to see semantic image on nvblox Isaac Sim Example

Omniverse Isaac Sim
,
1

Isaac Sim Version

4.5.0

Operating System

Ubuntu 22.04

GPU Information

  • Model: NVIDIA GeForce RTX 3090 Ti
  • Driver Version: 575.64.03

Topic Description

Failed to see semantic image on nvblox Isaac Sim Example.

Detailed Description

I am trying to run the example program Reconstruction With People in Nvblox as provided here:
https://nvidia-isaac-ros.github.io/concepts/scene_reconstruction/nvblox/tutorials/tutorial_isaac_sim.html#reconstruction-with-people

I check the semantic image plugin, and it shows nothing.

image
image1836×1050 278 KB

Steps to Reproduce

  1. Run Isaac Sim, and choose Samples/NvBlox/nvblox_sample_scene.usd. Toggle to show /World/Humans

    image
    image1853×638 111 KB

  2. Launch the example
    ros2 launch nvblox_examples_bringup isaac_sim_example.launch.py
    mode:=people_segmentation num_cameras:=1

  3. From rviz2, click “Panels”, then check “Semantic Image”

3

@student_mark welcome to the community! We recently released Isaac Sim 5.0.0. Could you please try with the latest version and see if the issue persists? Thanks!

4

Hello!

We noticed that this topic hasn’t received any recent responses, so we are closing it for now to help keep the forum organized.

If you’re still experiencing this issue or have additional questions, please feel free to create a new topic with updated details. When doing so, we recommend mentioning or linking to this original topic in your new post—this helps provide context and makes it easier for others to assist you.

Thank you for being part of the NVIDIA Isaac Sim community.

Best regards,
The NVIDIA Isaac Sim Forum Team