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ROS2 SLAM_Toolbox Failed Colcon Build

asked 2022-06-30 02:50:39 -0500

JordanE gravatar image

Ive been trying to get the SLAM toolbox up and running to work on a project, but I keep running into the same issue. I get the files into place using GIT sourcing https://github.com/SteveMacenski/slam... and then try to build the application, but it fails. I get the following message: CMake Error at CMakeLists.txt:13 (find_package): By not providing "Findament_cmake.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "ament_cmake", but CMake did not find one.

Could not find a package configuration file provided by "ament_cmake" with any of the following names:

ament_cmakeConfig.cmake
ament_cmake-config.cmake

Add the installation prefix of "ament_cmake" to CMAKE_PREFIX_PATH or set "ament_cmake_DIR" to a directory containing one of the above files. If "ament_cmake" provides a separate development package or SDK, be sure it has been installed.

This is happening on both my Linux machine and my Windows machine running an Ubuntu Terminal. They are both running 20.04 and ROS2 Humble. I may not understand the instructions fully as they are just given as:

ROSDep will take care of the major things rosdep install -q -y -r --from-paths src --ignore-src Or install via apt apt install ros-eloquent-slam-toolbox Run your colcon build procedure of choice. You can run via ros2 launch slam_toolbox online_sync_launch.py

Maybe I need a specific argument for colcon? I dont fully understand how all these things work together. Im pretty new to this.

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answered 2022-07-13 03:19:10 -0500

rodrigo55 gravatar image

You don't have to compile slam_toolbox from source to use it, unless you want to modify the source code. You can install it with atp:

sudo apt update
sudo apt install ros-humble-slam-toolbox
source /opt/ros/humble/setup.bash

After installing it, you can use the following launch file to use it:

ros2 launch slam_toolbox online_async_launch.py

You'll probably want to see it building in rviz2, you can add the /map topic once the file above is launched.

To save it, run

ros2 run nav2_map_server map_saver_cli -f [name of map]

If you want to see this done step by step, check out this video: https://youtu.be/JXnXnAXrYj8

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Asked: 2022-06-30 02:50:39 -0500

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Last updated: Jul 13