参考以下launch文件内容 

<launch>
  
  <!-- decision and plan node -->
  

  <node pkg="ros_indigosdk" type="ros_indigosdk_node" name="occam" respawn="true" output="screen">

  </node>
  
    
  <!--
  <node pkg="in2_TransPctu_node" type="TransPctu_node" name="UAV" respawn="true" output="screen">

  </node>
  -->
   
  <include file="$(find pointgrey_camera_driver)/launch/camera.launch">
  
  </include>
  
  
  
  <include file="$(find darknet_ros)/launch/yolo_v3.launch">
  
  </include>
  
  

  
  <node pkg="in2_display" type="in2_display" name="in2_display" respawn="true" output="screen">

  </node>
  
  
</launch>