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Running on Docker

Instructions for PangolinViewer

Dockerfile.desktop can be used for easy installation. This chapter provides instructions on building and running examples with PangolinViewer support using Docker.

The instructions are tested on Ubuntu 16.04 and 18.04 and 20.04. Docker for Mac are NOT supported due to OpenGL forwarding.

Note that docker host machines with NVIDIA graphics cards are NOT officially supported yet.

If the viewer cannot be lanched at all or you are using macOS, please install the dependencies manually <chapter-installation> or use the docker images for SocketViewer <section-instructions-for-socketviewer>.

Building Docker Image

Execute the following commands:

cd /path/to/openvslam
docker build -t openvslam-desktop -f Dockerfile.desktop .

You can accelerate the build of the docker image with --build-arg NUM_THREADS=<number of parallel builds> option. For example:

# building the docker image with four threads
docker build -t openvslam-desktop -f Dockerfile.desktop . --build-arg NUM_THREADS=`expr $(nproc) - 1`

Starting Docker Container

In order to enable X11 forwarding, supplemental options (-e DISPLAY=$DISPLAY and -v /tmp/.X11-unix/:/tmp/.X11-unix:ro) are needed for docker run.

# before launching the container, allow display access from local users
xhost +local:
# launch the container
docker run -it --rm -e DISPLAY=$DISPLAY -v /tmp/.X11-unix/:/tmp/.X11-unix:ro openvslam-desktop

After launching the container, the shell interface will be launched in the docker container.

root@ddad048b5fff:/openvslam/build# ls
lib                     run_image_slam          run_video_slam
run_euroc_slam          run_kitti_slam          run_tum_slam
run_image_localization  run_video_localization  run_tum_rgbd_localization

See Tutorial <chapter-simple-tutorial> to run SLAM examples in the container.

If you need to access to any files and directories on a host machine from the container, bind directories <section-directory-binding> between the host and the container.

Instructions for SocketViewer

Dockerfile.socket and viewer/Dockerfile can be used for easy installation. This chapter provides instructions on building and running examples with SocketViewer support using Docker.

Building Docker Images

Docker Image of OpenVSLAM

Execute the following commands:

cd /path/to/openvslam
docker build -t openvslam-socket -f Dockerfile.socket .

You can accelerate the build of the docker image with --build-arg NUM_THREADS=<number of parallel builds> option. For example:

# building the docker image with four threads
docker build -t openvslam-socket -f Dockerfile.socket . --build-arg NUM_THREADS=`expr $(nproc) - 1`

Docker Image of Server

Execute the following commands:

cd /path/to/openvslam
cd viewer
docker build -t openvslam-server .

Starting Docker Containers

On Linux

Launch the server container and access to it with the web browser in advance. Please specify --net=host in order to share the network with the host machine.

$ docker run --rm -it --name openvslam-server --net=host openvslam-server
WebSocket: listening on *:3000
HTTP server: listening on *:3001

After launching, access to http://localhost:3001/ with the web browser.

Next, launch the container of OpenVSLAM. The shell interface will be launched in the docker container.

$ docker run --rm -it --name openvslam-socket --net=host openvslam-socket
root@hostname:/openvslam/build#

See Tutorial <chapter-simple-tutorial> to run SLAM examples in the container.

If you need to access to any files and directories on a host machine from the container, bind directories <section-directory-binding> between the host and the container.

On macOS

Launch the server container and access to it with the web browser in advance. Please specify -p 3001:3001 for port-forwarding.

$ docker run --rm -it --name openvslam-server -p 3001:3001 openvslam-server
WebSocket: listening on *:3000
HTTP server: listening on *:3001

After launching, access to http://localhost:3001/ with the web browser.

Then, inspect the container's IP address and append the SocketPublisher.server_uri entry to the YAML config file of OpenVSLAM.

# inspect the server's IP address
$ docker inspect openvslam-server | grep -m 1 \"IPAddress\" | sed 's/ //g' | sed 's/,//g'
"IPAddress": "172.17.0.2"
# config file of OpenVSLAM

...

#============================#
# SocketPublisher Parameters #
#============================#

# append this entry
SocketPublisher.server_uri: "http://172.17.0.2:3000"

Next, launch the container of OpenVSLAM. The shell interface will be launched in the docker container.

$ docker run --rm -it --name openvslam-socket openvslam-socket
root@hostname:/openvslam/build#
See Tutorial <chapter-simple-tutorial> to run SLAM examples in the container.
Please don't forget to append SocketPublisher.server_uri entry to the config.yaml if you use the downloaded datasets in the tutorial.

If you need to access to any files and directories on a host machine from the container, bind directories <section-directory-binding> between the host and the container.

Bind of Directories

If you need to access to any files and directories on a host machine from the container, bind directories between the host and the container using --volume or --mount option. (See the docker documentataion.)

For example:

# launch a container of openvslam-desktop with --volume option
$ docker run -it --rm --runtime=nvidia -e DISPLAY=$DISPLAY -v /tmp/.X11-unix/:/tmp/.X11-unix:ro \
    --volume /path/to/dataset/dir/:/dataset:ro \
    --volume /path/to/vocab/dir:/vocab:ro \
    openvslam-desktop
# dataset/ and vocab/ are found at the root directory in the container
root@0c0c9f115d74:/# ls /
...   dataset/   vocab/   ...
# launch a container of openvslam-socket with --volume option
$ docker run --rm -it --name openvslam-socket --net=host \
    --volume /path/to/dataset/dir/:/dataset:ro \
    --volume /path/to/vocab/dir:/vocab:ro \
    openvslam-socket
# dataset/ and vocab/ are found at the root directory in the container
root@0c0c9f115d74:/# ls /
...   dataset/   vocab/   ...