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2016-03-23 01:18:11 -0500 | asked a question | Subscriber callback function I have made a subscriber to pioneer/laser/scan for the scan values of laser on P3AT. When I run the subscriber, it just doesn't stop. It keeps on running. I want only a single value of the scan i.e. the ranges[] array. And also the value of any index in ranges[] array fluctuates ranges[i] - .2 to ranges[i] + .2 How to get only a single array ranges[] when subscribing to the scan? P.S. I am using these lines of code and obstaclesCallBack is my function for printing the scan values. |
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2016-02-13 06:45:47 -0500 | commented answer | rviz Error - Global Status: Fixed frame [map] does not exist amcl is running but timeout is occurring at obtaining the transformation map->base_link ! |
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2016-02-11 02:55:41 -0500 | asked a question | rviz Error - Global Status: Fixed frame [map] does not exist I loaded a map in rviz using the map_server. I made the pgm file of map using p3at robot in Gazebo. The map is loaded but showing error: The error is : Fixed frame [map] does not exist. I am not able to spawn the robot in rviz again. |
2015-09-21 14:17:44 -0500 | asked a question | Spawning a p3at robot in gazebo Hi I am trying to spawn a p3at robot in gazebo. I am facing a error in the urdf file. Error looks like - ERROR IS GEOMETRY PACKAGE NOT FOUND !! I have that package in my home directory as well as in the directory of the ros ( roscd geometry ). MY error is at this place in urdf file - Please help !! Thanks :) PS I am new to ROS. |
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2015-09-15 23:20:11 -0500 | commented answer | Terminal Freezes after roslaunch event Yeah! Thanks !! :) |
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2015-09-15 13:42:32 -0500 | commented question | Terminal Freezes after roslaunch event It does not launch the gazebo simulator with the p3at robot. It is not doing anything after this whereas the other launch files are launched in the gazebo simulator. |
2015-09-15 12:55:01 -0500 | asked a question | Terminal Freezes after roslaunch event I want to spawn a pioneer3at robot in gazebo through ros so I created a file called p3at.launch and made the corresponding urdf file. When I roslaunch it, it started normally but freezes. Terminal looks like this - //Terminal And here is the launch file |