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Added docker examples. rtabmapviz: Fixed empty cloud warnings when not subscribing to any topics.

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matlabbe
2019-03-01 13:18:02 -05:00
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README.md
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@@ -47,36 +47,7 @@ $ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/ros/kinetic/lib/x86_64-linux-gnu
### Docker
* Install rtabmap inside an official ros docker image (example with melodic):
```bash
$ docker pull ros:melodic-perception
$ docker run -it --rm --name=ros-melodic-rtabmap ros:melodic-perception
# Indide the container:
$ apt update && apt install -y ros-melodic-rtabmap-ros && echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
# Before exiting the container, commit from another terminal on host:
$ docker commit ros-melodic-rtabmap ros:melodic-rtabmap
# exit container...
```
* Note that we could build rtabmap from source in the container if we want latest version, following instructions below. Just make sure to do "`echo "source ~/catkin_ws/devel/setup.bash" >> ~/.bashrc`" in the container so that the following example can still work as is.
* The following example show to launch a camera on host computer and run our pre-built rtabmap container. All examples from [RGB-D tutorial](http://wiki.ros.org/rtabmap_ros/Tutorials/HandHeldMapping) and [stereo tutorial](http://wiki.ros.org/rtabmap_ros/Tutorials/StereoHandHeldMapping) should work using rtabmap from the container instead. Launch camera on host computer (set ROS_IP as the IP used for docker):
```bash
$ export ROS_IP=172.17.0.1 && roslaunch openni2_launch openni2.launch depth_registration:=true
# In another terminal, launch rtabmapviz or RVIZ. We do visualization
# on host computer to avoid GPU problems with the container:
$ export ROS_NAMESPACE=rtabmap && rosrun rtabmap_ros rtabmapviz _frame_id:=camera_link
```
* Launch rtabmap from inside the container, saving the database on host `~/.ros/rtabmap.db`:
```bash
$ docker run -it --rm \
--env ROS_MASTER_URI=http://172.17.0.1:11311 --env ROS_IP=172.17.0.2 \
-v ~/.ros:/root \
ros:melodic-rtabmap \
roslaunch rtabmap_ros rtabmap.launch rtabmapviz:=false database_path:=/root/rtabmap.db rtabmap_args:="--delete_db_on_start"
```
* Go to [docker](https://github.com/introlab/rtabmap_ros/tree/master/docker) directory for an example.
## Build from source