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2020-05-04 15:09:07 -0500 commented question Visualisation marker not correct orientation

I suspect this is your problem: bbx_marker.pose.orientation.x = quat.x(); bbx_marker.pose.orientation.y = quat.x(); bbx

2020-01-31 13:33:20 -0500 received badge  Nice Answer (source)
2020-01-21 09:35:48 -0500 commented question How to publish two different messages at a time.

As far as I know, you can't really publish them simultaneously. One option may be to make a custom message that contain

2020-01-21 09:35:26 -0500 commented question How to publish two different messages at a time.

As far as I know, you can't really publish them simultaneously. One option may be to make a custom message that contain

2020-01-21 09:26:53 -0500 commented question ROS Joint_state_publisher error

Please provide the relevant files (launch, paramter, etc.). Otherwise, this is not enough information.

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2020-01-21 09:19:26 -0500 edited answer lidar is detecting pillars of robots as obstacles in local map.how to set minimum range of scan sensor or any other method to solve this problem

Are you talking about a local cost map? If you are using the obstacles layer, there is a footprint_clearing_enabled par

2020-01-21 09:17:30 -0500 received badge  Rapid Responder (source)
2020-01-21 09:17:30 -0500 answered a question lidar is detecting pillars of robots as obstacles in local map.how to set minimum range of scan sensor or any other method to solve this problem

Are you talking about a local cost map? If you are using the obstacles layer, there is a footprint_clearing_enabled par

2020-01-21 08:53:39 -0500 answered a question How to publish a message to a topic while playing rosbag?

It's not clear from your question what you've tried, so if this is not what you're looking for, please provide more spec

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2020-01-21 08:30:46 -0500 commented question how to use Twist with Duration()

I don't fully understand "ran without continue. It seems to while loop or starts time." Does it run once and stop? You

2020-01-18 09:25:14 -0500 received badge  Supporter (source)
2020-01-18 09:20:06 -0500 answered a question subscriber callback in a python class is overwriting the class variables with the most recent data before the first callback processing finishes.

That is expected behavior the way your functions are written. The callback immediately increments self.tracker every ti

2020-01-18 09:20:06 -0500 received badge  Rapid Responder (source)
2019-06-28 09:24:39 -0500 commented question usb_cam pkg gives garbled green screen

Have you used rqt_graph to make sure the topics are connected?

2019-06-21 09:41:29 -0500 commented question usb_cam pkg gives garbled green screen

Does usb_cam throw any errors when trying to connect to the "normal" stream? Can you see output on the topic using rosto

2019-06-20 10:55:57 -0500 commented question usb_cam pkg gives garbled green screen

Is your camera connected as multiple devices? When I plug in my webcam and run guvcview, I get two devices named the sa

2019-06-20 10:55:47 -0500 commented question usb_cam pkg gives garbled green screen

Is your camera connected as multiple devices? When I plug in my webcam and run guvcview, I get two devices named the sa

2019-06-20 10:55:06 -0500 commented question usb_cam pkg gives garbled green screen

Is your camera connected as multiple devices? When I plug in my webcam and run guvcview, I get two devices named the sa

2019-06-20 10:54:50 -0500 commented question usb_cam pkg gives garbled green screen

Is your camera connected as multiple devices? When I plug in my webcam and run guvcview, I get two devices named the sa

2019-06-20 09:50:20 -0500 commented question Turtlebot failed in navigating

Those images are very difficult to read. Can you upload them with higher resolution? Also, what commands/launch files

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2019-06-20 09:34:29 -0500 edited answer rosbag and parameters dump with unique timestamp in filename

I'm not sure if there are other constraints surrounding this, but one way is to make the time_now argument configurable

2019-06-20 09:34:29 -0500 received badge  Editor (source)
2019-06-20 09:33:59 -0500 answered a question rosbag and parameters dump with unique timestamp in filename

I'm not sure if there other constraints surrounding this, but one way is to make the time_now argument configurable on t

2019-06-20 09:12:30 -0500 edited answer I want to change the autosize parameter

The stereo_view node does not allow for direct manipulation of the image size. The autosize parameter only determines w

2019-06-20 09:10:32 -0500 answered a question I want to change the autosize parameter

The stereo_view node does not allow for direct manipulation of the image size. The autosize parameter only determines w

2018-11-09 13:28:20 -0500 answered a question level value in dynamic reconfigure

This tutorial provides a short description. Another short discussion is here. To summarize, the level is just a bit ma

2018-09-15 09:31:44 -0500 commented answer nmea_navsat_driver /fix topic hangs indefinitely

The command stty -F /dev/ttyACM1 may help you troubleshoot. I used it when I had a problem with a ROS node and serial po

2018-07-11 13:16:27 -0500 received badge  Enthusiast
2018-07-10 11:05:23 -0500 commented answer Drivers for stereo camera

I assume you meant http://wiki.ros.org/stereo_image_proc

2018-07-10 10:24:02 -0500 commented question Drivers for stereo camera

My guess is you have the synchronized version (https://www.amazon.com/s?field-keywords=ELP-960P2CAM-V90-VC), which is a

2018-07-10 10:16:25 -0500 commented question Drivers for stereo camera

I suspect that the camera you have and the one in the link are slightly different. The one in the link (https://www.ama