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2020-09-04 04:22:02 -0500 commented answer QT creator UI to run roslaunch by clicking a button

Well, as for terminal roslaunch is executable, since it has executable flag in file permissions. But actually it's a pyt

2020-09-02 07:37:17 -0500 answered a question QT creator UI to run roslaunch by clicking a button

First of all roslaunch is not an executable file, it's just python script, so you should run python program with args po

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2020-09-01 03:27:01 -0500 commented answer Race circuit line extraction

You can convert local coordinates of each frame (X,Y) to some global frame using odometry. But I don't get your point to

2020-08-31 18:07:55 -0500 answered a question Rosrun in a cpp program

Not sure exactly what you want to do, here are my suggestions: If you want just start another program from your c++ pr

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2020-08-31 17:57:47 -0500 commented question ROS Launcher File Results in Error with roslaunch

Did you execute source ~/Projects/ros-projects/catkin_ws/devel/setup.bash before running launch file?

2020-08-31 17:50:19 -0500 answered a question PCL not updating

It's not a good idea to run while() in callback. You have to leave callback function since it blocks ros internal event

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2020-08-31 17:46:47 -0500 commented question how to make ROS truly containerized in Docker?

I recommend to run both containers with non standard ros ports (not 11311) and try again. Thus no one ros app will start

2020-08-31 17:26:08 -0500 answered a question Race circuit line extraction

Your task is similar to finding lane lines on a road. You can try the following approach Make bird eye view image Ex

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2020-08-31 13:18:31 -0500 answered a question how to publish a map frame to base_link directly.

You need some localization module that can provide information about position of your robot on the map. This information

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2020-08-31 13:01:08 -0500 commented answer Merging point clouds

This particular node could be easily taken from autoware without whole project build since it does not depend on any aut

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2020-08-29 11:10:24 -0500 edited answer checking another node from node with rosnode package

As far as I know there is no such API for c++. rosnode package just a python script. You can try to implement c++ versio

2020-08-29 11:08:52 -0500 answered a question checking another node from node with rosnode package

As far as I know there is no such API for c++. rosnode package just a python script. You can try to implement c++ versio

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2020-08-29 07:21:04 -0500 commented answer opening new terminal and execute

Here is function signature bool QProcess::startDetached(const QString &program, const QStringList &arguments, c

2020-08-29 07:20:47 -0500 commented answer opening new terminal and execute

Here is function signature bool QProcess::startDetached(const QString &program, const QStringList &arguments,

2020-08-28 10:58:03 -0500 answered a question opening new terminal and execute

If qt libraries are acceptable for your project I recommend QProcess class for doing that. It can start another process

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2020-08-28 10:51:41 -0500 answered a question Merging point clouds

I recommend autoware's node link It does what you want. Make sure you have connected tree of frames. You should configu

2020-08-28 10:33:45 -0500 commented answer ira_laser_tools merger node is not subscribing lidar topics

Well, you can try point cloud merger from autoware. I don't use it but looking into source code there are no autoware sp

2020-08-28 10:33:16 -0500 commented answer ira_laser_tools merger node is not subscribing lidar topics

Well, you can try point cloud merger from autoware. I don't use it but looking into source code there are no autoware sp

2020-08-27 16:26:16 -0500 commented question Issue with message_filters and rospy.spin() not running

Calling ros::spin actually put your program into internal ros event loop, so you have to uncomment it anyway. Another s

2020-08-27 15:45:45 -0500 answered a question ira_laser_tools merger node is not subscribing lidar topics

It seems provided topic names in launch file does not match existing topic names: provided in config topic: /laserscan_

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2020-08-22 13:52:21 -0500 answered a question how does autoware's yaw changeļ¼Ÿ

Heading may depend on localization type you are using. If we talk about lidar localization then it depends on how map wa