different between gazebo and rviz
hello everyone , i am a beginner for ros and i want to simulator a robot with sensor and can send odom msgs ,i already built a simple robot model , using arbotix and rviz and i can teleop it ; to add more , may i learn gazebo? where can i find a good tutorials? and what is gazebo , a visual tools like rviz ? or a simulator tools ? will i use gazebo to simulator and visual in rviz? thx for help~ and merry christmas~