Steps to launch cameras_subscriber.cc

1. In CMakeList.txt

   1. add_executable(subscriber src/cameras_subscriber.cc)

   2. target_link_libraries(subscriber ${catkin_LIBRARIES})

   3. NOTE: Plugin will auto generate publisher instantiations of these

2. In Terminal

   1. roscor

   2. source ./devel/setup.bash

   3. roslaunch gazebo_ros empty_world.launch

      1. In Gazebo:

         1. Insert

            1. Vehicle Tutorial

            2. Any Object

   4. rosrun camera subscriber

      1. NOTE: .png files are saved in ~/catkin_ws