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I don't think this is possible, but it is an interesting possibility. What is your use case?
For example, with a box xacro that read parameters into parameter server, I can load different boxes into rviz or Gazebo with the same xacro file
If no existing that property, is really interesenting suggest!!
Asked: 2012-06-19 05:12:12 -0500
Seen: 551 times
Last updated: Jan 17 '13
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In case your use case is to use a ros parameter when using xacro to initialize another ros parameter inside roslaunch: that won't work because parameters are first all parsed and then set on the parameter server.