How to start Point-and-Fly in real world can you give me a brief description？ tks

[dance-code]

Prerequisites

Please answer the following questions for yourself before submitting an issue. YOU MAY DELETE THE PREREQUISITES SECTION.

• [ ] I am running the latest version of GAAS
• [ ] I checked the Gitbook documentation and found no answer
• [ ] I checked to make sure that this issue has not already been filed
• [ ] I Googled/Binged the error messages generated by Ubuntu, Gazebo, and PX4
• [ ] I have posted questions regarding Ubuntu, Gazebo, and PX4 in corresponding forums.

Issue Template

Context

Please provide any relevant information about your setup.

• Tutorial No.:[eg. Tutorial 4]
• Mavros: [eg. 0.18.4]
• ROS: [eg. Kinetic]
• Gazebo: [eg. 7]
• Ubuntu: [eg. 16.04]
• System Platform: [eg. X86]

Expected Behavior

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Current Behavior

What is the current behavior?

Screenshots

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Failure Logs

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