md5sum mismatch : Connection drop about patchwork HOT 8 CLOSED

Holy moly!!!! sorry for my late reply. I'm about to graduate in this year so I have no time haha....

Anyway, I'm terrible sorry for providing less-generalized examples. I think using pre-made rosbag is not helpful for generalization, and not intuitive as well.

👍 So I extensively modify README.md and contents. So you can run by following instructions:

Online (ROS Callback) KITTI dataset

We also provide rosbag example. If you run our patchwork via rosbag, please refer to this example.

1. After building this package, run the roslaunch as follows:

roslaunch patchwork run_patchwork.launch is_kitti:=true

Then you can see the below message:

2. Set the data_path in launch/kitti_publisher.launch for your machine, which is same with the aforementioned parameter in "Offline KITTI dataset" part.

3. Then, run ros player (please refer to nodes/ros_kitti_publisher.cpp) by following command at another terminal window:

roslaunch patchwork kitti_publisher.launch

In short, I just added psuedo-publisher for compatibility.

👍 And here's other revised example when you use your own ros bag file capture by your mobile robot:

#### Online (via your ROS bag file)

It is easy by re-using `run_patchwork.launch`.

1. Remap the topic of subscriber, i.g. modify remap line as follows:

Note that the type subscribed data is sensor_msgs::PointCloud2.

2. Next, launch the roslaunch file as follows:

roslaunch patchwork run_patchwork.launch is_kitti:=false

Note that is_kitti=false is important! Because it decides which rviz is opened. The rviz shows only estimated ground and non-ground because your own dataset may have no point-wise labels.

3. Then play your bag file!

rosbag play $YOUR_BAG_FILE_NAME$.bag

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Anyway, thank you for your kind assistance @hwan0806 !!!!

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Sorry for the late reply!! I think it's the problem of ROS noetic. On my desktop (ROS Melodic), it still works fine. I think this is because the rosbag is from the ROS Melodic. :( Why don't you use offline Kitti mode?

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I meet the same problem, but I use the ROS Melodic. Maybe the problem is caused by other things. Could you help?

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I meet the same problem,too. I use the ROS Melodic.Could you help?

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@XFFer @DavidsShi I think we have to create a new ros node which convert msg datatype from sensor_msgs/PointCloud2 to patchwork/node. Then, this issue will be solved.

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@XFFer @DavidsShi I think we have to create a new ros node which convert msg datatype from sensor_msgs/PointCloud2 to patchwork/node. Then, this issue will be solved.

Thank you so much ,the problem has been solved~

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May I close this issue? If there are any problem, please feel free to say to me

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