Failed to see semantic image on nvblox Isaac Sim Example

Omniverse Isaac Sim
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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!