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2017-01-13 03:53:53 -0500 | answered a question | why the time stamp of the message is later than the rosbag time? It turns out to be I'm restarting the rosbag play again but the debugging process is not restarted. |
2017-01-13 03:53:04 -0500 | commented question | why the time stamp of the message is later than the rosbag time? It turns out to be I'm restarting the rosbag play again but the debugging process is not restarted. |
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2017-01-11 20:03:26 -0500 | asked a question | why the time stamp of the message is later than the rosbag time? I'm debugging my code with rosbag replay. In my code, I did tf transform like this: Sometimes, there's an exception thrown, which read: I checked in the debugger, and found the time stamp of the message input_pose is later than the rosbag time: Also, the rosbag play console shows: The commands I used to run the rosbag is And the param use_sim_time is already set to true: Could anyone please help with this problem? Thanks! |
2016-08-01 03:17:07 -0500 | answered a question | What's the rational behind laser_filters/ScanShadowsFilter? Maybe you want to use LaserScanAngularBoundsFilter instead of ScanShadowFilter. ScanShadowFilter removes laser data points which satisfies the following conditions : for all p1, if exists point p2 in (p1 -window, p1 + window), so that (∠O P1 P2) < minAngular, or (∠O P1 P2) > maxAngular, then, all datapoint in (p1 - neigbor, p1 + neigbor) will be removed. Where O means the origin of the laser. |
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2015-12-02 21:43:02 -0500 | commented question | how to launch pr2 simulation in jade ok, thanks |
2015-11-30 09:01:43 -0500 | answered a question | how to launch pr2 simulation in jade why I can't see this question in the ask list? and it says 'this post is awaiting moderation', what does that mean? what do I need to do to moderate it? |
2015-11-30 09:01:42 -0500 | asked a question | how to launch pr2 simulation in jade I followed the tutorial of pr2 simulation: http://wiki.ros.org/pr2_simulator/Tut... this command is fine, the gazebo window shows an empty world. while run the following command : an error occurs: There's no package named 'pr2_gazebo' in jade, I tried to find it with apt-get: there are 6 packages in jade related to pr2: none of them contains pr2.launch. So, how can I run simulation for pr2 in jade? |