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I am following the tutorials for Markers :sending basic shapes. I am stuck at this step, where it says build the code using command cd %TOP_DIR_YOUR_CATKIN_WORKSPACE% catkin_make

Please help.


Originally posted by pallyra1 on ROS Answers with karma: 51 on 2018-01-12

Post score: 0


Original comments

Comment by mgruhler on 2018-01-12:
Please state more clearly what your Problem is. Don't you understand what this means or is there a Problem with the build?

Comment by pallyra1 on 2018-01-12:
My workspace is catkin_ws I use two commands cd ~/catkin_ws catkin_make After that I use rosrun using_markers basic _shapes where using_markers is package name and i want to run basic_shapes. But I am getting error, [WARN] Please create a subscriber to the marker

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1 Answer 1

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This part of the tutorial means you need to use a terminal to navigate to the top level directory of your workspace then run catkin_make

For example if you have a workspace directory called my_project_ws inside your home directory you can open a terminal and type the following command to move to the workspace.

cd ~/my_project_ws

If you type the ls command (short for list) it will show the contents of this directory which should contain a src directory and possibly some other directories and files. Now you're in the right location you can build your package by typing:

catkin_make

Hope this clears this up for you.


Originally posted by PeteBlackerThe3rd with karma: 9529 on 2018-01-12

This answer was ACCEPTED on the original site

Post score: 0


Original comments

Comment by pallyra1 on 2018-01-12:
My workspace is catkin_ws I use two commands cd ~/catkin_ws catkin_make After that I use rosrun using_markers basic _shapes where using_markers is package name and i want to run basic_shapes. But I am getting error, [WARN] Please create a subscriber to the marker Please help with this error

Comment by PeteBlackerThe3rd on 2018-01-13:
Okay you've got the build working that's great. To keep these answers tidy can you please accept this answer and ask a new question for the warning you've just described. It gets confusing if more than one question get asked and answered in a single thread. Thanks.

Comment by PeteBlackerThe3rd on 2018-01-13:
Looking at the source code of the node. The message [WARN] Please create a subscriber to the marker isn't an error at all it's what the node is meant to do. try starting RVIZ and viewing the topic, that should show everything working.

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