I'm testing Velodyne high definition 3D LIDARs in gazebo:
`roslaunch velodyne_gazebo example.launch`
It will load a 16 laser model.
And I have already prepared a heightmap following this [tutorial](https://www.vimeo.com/58409707) .
After loading the heightmap(65x65 (pixels), 10mx10m, a larger map also results in crash ) I made, gazebo will not responde.
Sometimes the ***real time foctor*** will be around 0.3 when I use 1 beam LiDAR in a .png heightmap.
I think the reason gazebo will crash is that my laptop‘s hardware performance is not good enough.
Are there any ways to optimize the program to continue the simulation with my laptop? or should I use another computer??
Or maybe there is another reason for the crash.
Thanks in advance.
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