A Marker of type LineList seems like a likely candidate. 
http://www.ros.org/wiki/rviz/DisplayTypes/Marker

On Thu, Feb 3, 2011 at 8:58 PM, Person With question <personwithquestion@yahoo.com> wrote:
What would be the best way to display the output of a path planning algorithm such as a Rapidly-Exploring Random Tree? Instead of only displaying the best path, I would like to display several of the most highly rated paths.

I could create several nav_msgs/Path messages and then subscribe to them in rviz, but I feel like there might be a cleaner way to do this. What do you think the best way to do this would be?

-Person



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