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2015-09-10 06:15:03 -0500 marked best answer dwa_planner vs. base_local_planner

The navigation stack contains the trajectory planner and the dwa local planner. Which one should one rather use? Which one will most effort in the future go into?

The wiki provides only very sparse information about those two, and from it it seems strange that the two planners don't share more common code. Also it seems one copied a lot from the other, so there is a lot of duplicate similar code anyway, which for me would be a reason to unify the sources, so that bugfixes and improvements to one also affect the other.

2015-08-31 02:49:18 -0500 marked best answer What's the effect of find_package(catkin components ...)?

It seems that with catkin in Groovy,

find_package(catkin COMPONENTS roscpp std_msgs)

is equivalent to

find_package(catkin)
find_package(roscpp)
find_package(std_msgs)

Is there any difference?