reason:
Because VNC is used to remotely control the lower computer, rviz is a graphics plug-in developed based on OpenGL. Theoretical screen parameters (the tis’ screen) need to be used. Using VNC will lead to incorrect screen parameter values, resulting in rviz errors.
resolvent:
1) Connect the display in the lower computer, and then turn on rviz on the PC enabled with VNC to temporarily solve the problem.
2) Use SSH instead of VNC to control the lower computer remotely. Pay attention to closing the VNC process running in the background, otherwise the core dump problem will occur when running rviz. In addition, due to the impact of network speed, there may be a stuck problem.
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