TB3 Nav Test
From wikidb
turtle - just like above
remote
terminal 2
export TURTLEBOT3_MODEL=waffle roslaunch turtlebot3_navigation turtlebot3_navigation.launch map_file:=$HOME/map2.yaml
terminal 3
rosrun rviz rviz -d `rospack find turtlebot3_navigation`/rviz/rtlebot3_nav.rviz