i want to seleclt each segment of a BillboardLine,but always failed;Can you provide a demo code of selectionHandler?

[171930433]

Describe your issue here and explain how to reproduce it.

Your environment

• OS Version: e.g. Ubuntu 18.04
• ROS Distro: [Melodic]
• RViz, Qt, OGRE, OpenGl version as printed by rviz:
• [ INFO] [1718618458.029556696]: rviz version 1.13.30
  [ INFO] [1718618458.029725701]: compiled against Qt version 5.9.5
  [ INFO] [1718618458.029753502]: compiled against OGRE version 1.9.0 (Ghadamon)
  [ INFO] [1718618458.040440525]: Forcing OpenGl version 0.
  [ INFO] [1718618460.287414608]: Stereo is NOT SUPPORTED
  [ INFO] [1718618460.287509611]: OpenGL device: D3D12 (NVIDIA Quadro P620)
  [ INFO] [1718618460.287564213]: OpenGl version: 4.2 (GLSL 4.2) limited to GLSL 1.4 on Mesa system.

  paste your console output here
  

mySelectionHandler always failed

pointpointSelectionHandler is ok

```

• If source build, which git commit?
• System locale, i.e. the output of echo "$LANG $LC_NUMERIC":
  Before reporting a rendering issue, try running RViz with LANG=C rviz!