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Hi Bradley,

Once you have the settings the way you want, go to another terminal window, move to the directory where you want to save your camera.yaml file (e.g. roscd my_package/params), then issue the command:

$ rosrun dynamic_reconfigure dynparam dump /camera_node_name camera.yaml

where /camera_node_name is the name of the node you are configuring in dynamic_reconfigure.

To load this file from a launch file at a later time, add the following to the launch file:

<node name="dynamic_reconfigure_load" pkg="dynamic_reconfigure" type="dynparam" args="load /camera_node_name $(find my_package)/params/camera.yaml" />

where of course you need to make the appropriate substitutions for /camera_node_name and the package location of your camera.yaml file.

--patrick