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How to modify ros-launch file?

asked 2019-12-13 08:00:29 -0600

kane_choigo gravatar image

Hello, I'm using ROS kinetic on Ubuntu 16.04.

I've ever modified existing ROS-launch files some times, but all I did was to change the parameter's name or values.

This time I want to add another node into the launch file, and I'm pretty wondering above whether I have to modify CMakelist.txt or any other files to make sure I'll use another node.

Is it OK if I add some lines into the launch file without any modification on the files kinds of CMakelist.txt?

And also, can I include a node which is in another workspace? I mean,

<include file="$(find A DIRECTORY FROM ANOTHER WORKSPACE)/THE_LAUNCHFILE.launch" >

is the above OK?

Thanks in advance :)

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answered 2019-12-13 08:28:35 -0600

Delb gravatar image

updated 2019-12-13 08:31:11 -0600

There is a little tutorial here explainning how to write a launch file.

Is it OK if I add some lines into the launch file without any modification on the files kinds of CMakelist.txt?

Don't hesitate to try and see what happen ;) The answer is yes, CMakeLists.txt files are used to build your packages while launch file will simply look for the executables created after the building.

And also, can I include a node which is in another workspace?

Just to be clear : you include launch files but not nodes.

You can do that, it's called workspace chaining.

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Asked: 2019-12-13 08:00:29 -0600

Seen: 19 times

Last updated: Dec 13 '19