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| public:t-622-arti-12-1:lab_1_-_agents [2012/01/19 17:08] – stephan | public:t-622-arti-12-1:lab_1_-_agents [2024/04/29 13:33] (current) – external edit 127.0.0.1 |
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| ===== Material ===== | ===== Material ===== |
| * {{:public:t-622-arti-12-1:vacuumcleaner.zip|java project for the agent development}} | * {{:public:t-622-arti-12-1:vacuumcleaner.zip|java project for the agent development}} |
| | * {{:public:t-622-arti-12-1:gdls.zip|some environment descriptions (one fixed and two with a random initial location)}} |
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| The file contains code for implementing an agent in the src directory. The agent is actually a server process which listens on some port and waits for the real robot or a simulator to send a message. It will then reply with the next action the robot is supposed to execute. | The file contains code for implementing an agent in the src directory. The agent is actually a server process which listens on some port and waits for the real robot or a simulator to send a message. It will then reply with the next action the robot is supposed to execute. |
| - Run the "Main" class in the project. If you added your own agent class, make sure that it is used in the main method of Main.java. You can also execute the "ant run" on the command line, if you have [[http://ant.apache.org/|Ant]] installed. | - Run the "Main" class in the project. If you added your own agent class, make sure that it is used in the main method of Main.java. You can also execute the "ant run" on the command line, if you have [[http://ant.apache.org/|Ant]] installed. |
| The output of the agent should say "NanoHTTPD is listening on port 4001", which indicates that your agent is ready and waiting for messages to arrive on the specified port. | The output of the agent should say "NanoHTTPD is listening on port 4001", which indicates that your agent is ready and waiting for messages to arrive on the specified port. |
| - Now push the "Start" button in the simulator and your agent should get some messages and reply with the actions it wants to execute. At the end, the output of the simulator tells you how many points your agent got: "Game over! results: 0". In the given environment you will only get non-zero points if you manage to clean everything, return to the initial location, and turn off the robot within 100 steps. | - Now push the "Start" button in the simulator and your agent should get some messages and reply with the actions it wants to execute. At the end, the output of the simulator tells you how many points your agent got: "Game over! results: 0". In the given environment you will only get non-zero points if you manage to clean everything, return to the initial location, and turn off the robot within 100 steps. If the output of the simulator contains any line starting with "SEVERE", something is wrong. The two most common problems are the network connection (e.g., due to a firewall) between the simulator and the agent or the agent sending illegal moves. |
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| You can see [[http://130.208.241.192/ggpserver/public/view_state.jsp?matchID=vacuum_cleaner_1.1326993828477&stepNumber=2&role=RANDOM|here]], what the example environment looks like. Of course, you shouldn't assume any fixed size, initial location or locations of the dirt in your implementation. This is just an example environment. | You can see [[http://130.208.241.192/ggpserver/public/view_state.jsp?matchID=vacuum_cleaner_1.1326993828477&stepNumber=2&role=RANDOM|here]], what the example environment looks like. Of course, you shouldn't assume any fixed size, initial location or locations of the dirt in your implementation. This is just an example environment. |
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| | [[http://ruclasses.proboards.com/index.cgi?action=gotopost&board=arti2012&thread=103&post=853|Here]] I described how you visualise what your agent is doing. |
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| ===== Hints ===== | ===== Hints ===== |
