liangminglan55's profile - activity

2018-01-17 19:29:08 -0500	received badge	● Famous Question (source)
2017-10-16 17:39:12 -0500	marked best answer	when i study the rviz:Markers: Sending Basic Shapes (C++), i come across some problem: when i run this order: rosrun using_markers basic_shapes, it told me that "Please create a subscriber to the marker",so how to solve this problem? 1.my rosdistro: indigo; my ros workspace is catkin. 2.my tutorial:link text 3.and then when i run :rosrun rviz rviz, it come up with nothing in my rviz, like this picture:no fixed frame, no shape on the plane. List item
2017-10-03 05:16:28 -0500	received badge	● Notable Question (source)
2017-08-09 22:54:51 -0500	received badge	● Popular Question (source)
2017-08-02 00:00:28 -0500	asked a question	when i study the rviz:Markers: Sending Basic Shapes (C++), i come across some problem: when i run this order: rosrun using_markers basic_shapes, it told me that "Please create a subscriber to the marker",so how to solve this problem? when i study the rviz:Markers: Sending Basic Shapes (C++), i come across some problem: when i run this order: rosrun usi