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2016-11-10 06:05:33 -0500 marked best answer How to programatically set the 2D pose on a map ?

How do I programatically set the the initial 2D pose estimate on a map when running acml and move_base - equivalent to the "2D pose estimate" button within Rviz ?

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2016-06-27 06:24:42 -0500 marked best answer Pausing or aborting movement to a goal

What's the best way to programatically pause or abort movement towards a goal location once it's in the process of being executed?

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2015-06-29 20:24:39 -0500 marked best answer Loading a prior map with gmapping

Is it possible to load a previously saved map (pgm/yaml) into gmapping, such that the map is initially populated with the robot situated at a defined starting pose?

2015-03-23 15:07:02 -0500 marked best answer How to add Kinect sensor input to a URDF model?

I'm able to run the Kinect demo as shown here:

http://www.ros.org/wiki/kinect/Tutori...

and also separately can visualize my URDF model. The question now arises as to how to combine the two, such that the model and sensor data appear together. I have a node within the model for the camera location, so presumably the kinect topic needs to be linked to this somehow.

2014-12-25 02:50:32 -0500 marked best answer Debug output within a launch file

How do I enable debugging output (ROS_DEBUG) for a node within a launch file?

2014-08-03 02:55:24 -0500 marked best answer cmd_vel and move_base

What are the conventions for the cmd_vel message produced by move_base? Is positive linear.x the forward or backward direction? Is positive angular.z clockwise or anti-clockwise as viewed from above?

2014-04-21 19:42:09 -0500 marked best answer Visualizing continuous and revolute joint types in rviz

When creating a URDF file for a robot with a head on a pan and tilt mechanism, whenever I try to use a joint type "continuous" or "revolute" in a manner similar to that shown in the tutorials the model is displayed within Rviz as a disorganized jumble. If I change the joint type to "fixed" then the model displays normally. The model also seems to check out ok using check_urdf, and no URDF errors show up when Rviz is loading. This seems to be a bug, since the same thing happens with the tutorial file 06-flexible.urdf

I'm using the current cturtle full binary installation on Ubuntu 10.10.

2014-04-20 13:00:40 -0500 marked best answer How to set /dev/irobot_create as the Turtlebot base device

Since I have multiple USB devices attached I'd like to make sure that when I run minimal.launch it uses /dev/irobot_create rather than the default /dev/ttyUSB0. What's the best way to do this?