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Hi all,
The roslaunch page says that we can remap topic by simply adding this line to launch file.
<remap from="chatter" to="hello"/>
I want to ask if we can do the same thing in command line?
roslaunch <package name> <launch file name> chatter:=hello
Thanks~
I'm not sure, if roslaunch supports that - just try it.
If it doesn't, you can use args for that:
<arg name="from_topic" />
<remap from="from_topic" to="$(arg from_topic)"/>
Command line syntax should stay the same.
Thanks~ I tried but it doesn't work, so I want to make sure if it was my problem or roslaunch doesn't support this function.
I don't understand "Command line syntax should stay the same.". What does command line syntax look like?
Isn't it roslaunch [package name] [launch file name] chatter:=hello?
This example could be easier to understand if the arg name was 'to_topic'.
That is possible (but not using roslaunch): rosrun rospy_tutorials talker chatter:=/wg/chatter
I dont think so. Using rosrun remapping can be done using terminal. If the value for remapping is variable then u can use that value as input argument to launch file and within launch file u do remapping using the input argument.
So you mean roslaunch supports only remapping by remap tag?
Asked: 2013-02-17 18:24:05 -0500
Seen: 9,592 times
Last updated: Feb 17 '13
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