koide3
hi @weisongwen , The command should be: ```bash rosservice call /hdl_graph_slam/save_map "resolution: 0.1 destination: '/home/wenws/mapfile.pcd'" ``` How the command failed? Nothing happened or the program got crashed?
Hi @ikunjin, How did it fail? Please check if use_sim_time is set to false.
hi @weisongwen , I found that the code didn't store the data for map generation when no one subscribes the map topic for visualization. Could you try the latest commit...
@ikunjin This is a known bug on PCL 1.7 binary. To avoid it, you have to disable c++11 option or re-build pcl from the source. In short, it's so hard...
@tranducthuan1 It's just a format error. Use auto-completion by pressing TAB, and do not copy and paste the command. ```bash rosservice call /hdl_graph_slam/save_map ``` You'll see a blank data in...
hi @ikunjin , Unfortunately, I'm not familiar with running a debugger on nodelets. I think the following topic would be helpful for you. http://ros-users.122217.n3.nabble.com/debugging-nodelets-td2370662.html
hi @DavidJamesOKC , Could you try "rosnode list" to check if the nodelets are launched correctly?
@imawesome61 , I tested this package on "ubuntu 16.04 & ros kinetic" and "ubuntu 18.04 & ros melodic". In case with melodic, try "arch-melodic" branch.
Hi @ricber , What I implemented is something similar to the one in amcl, in which the ```map-odom``` transformation compensates for odometry errors and keeps ```base_link``` in the correct position...
Hi @gao0511 , What happens if you lanuch the nodelets in standalone mode? Which nodelet crashes?