When ever i try to run rviz with this command
"rosrun rviz rviz" after typing roscore on another terminal tab i have those four warnings :
compiled against QT version 1.12.10
compiled against OGRE version 1.9.0 (Ghadamon)
Stereo is NOT SUPPORTED
OpenGL version: 3 (GLSL 1.3).
but RVIZ continue to start then when i launch a model in another tab and try to add te model to RVIZ environment following steps in part 7 of the lesson, the 3D model does not appear on grid
AbdelrhmanElagamy
commented
6 years ago 
When ever i try to run rviz with this command "rosrun rviz rviz" after typing roscore on another terminal tab i have those four warnings : compiled against QT version 1.12.10 compiled against OGRE version 1.9.0 (Ghadamon) Stereo is NOT SUPPORTED OpenGL version: 3 (GLSL 1.3). but RVIZ continue to start then when i launch a model in another tab and try to add te model to RVIZ environment following steps in part 7 of the lesson, the 3D model does not appear on grid
what should I do??