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Navigation path problem

Posted by peloslargos on Tue 19 of Jul, 2011 14:23 CEST
Hi!
I have been experiencing some trouble with navigation path.
This is the log of the trouble:

(NavigationBot) SEVERE 14:11:54.114 cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture@fc9d2b: Path did not came from GB2004 in 10s.
cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathTimeoutException: cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture@fc9d2b: Path did not came from GB2004 in 10s. (at cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture.eventEndMessage(UT2004AStarPathFuture.java:94))
Stack trace:
UT2004AStarPathTimeoutExceptioncz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture@fc9d2b: Path did not came from GB2004 in 10s.
at cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture.eventEndMessage(UT2004AStarPathFuture.java:94)
at cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture$2.react(UT2004AStarPathFuture.java:72)
at cz.cuni.amis.pogamut.ut2004.agent.navigation.UT2004AStarPathFuture$2.react(UT2004AStarPathFuture.java:69)
at cz.cuni.amis.pogamut.base.communication.worldview.react.EventReact$1.notify(EventReact.java:31)
at cz.cuni.amis.pogamut.base.communication.worldview.react.EventReact$1.notify(EventReact.java:26)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.AbstractWorldView$ListenerNotifier.notify(AbstractWorldView.java:98)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.AbstractWorldView$ListenerNotifier.notify(AbstractWorldView.java:77)
at cz.cuni.amis.utils.listener.Listeners.notify(Listeners.java:274)
at cz.cuni.amis.utils.listener.ListenersMap.notify(ListenersMap.java:76)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.AbstractWorldView.notifyLevelAListeners(AbstractWorldView.java:629)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.AbstractWorldView.innerRaiseEvent(AbstractWorldView.java:700)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.AbstractWorldView.raiseEvent(AbstractWorldView.java:604)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.EventDrivenWorldView.raiseEvent(EventDrivenWorldView.java:103)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.EventDrivenWorldView.innerNotify(EventDrivenWorldView.java:127)
at cz.cuni.amis.pogamut.base.communication.worldview.impl.EventDrivenWorldView.notify(EventDrivenWorldView.java:224)
at cz.cuni.amis.pogamut.base3d.worldview.impl.BatchAwareWorldView.notify(BatchAwareWorldView.java:83)
at cz.cuni.amis.pogamut.ut2004.communication.worldview.UT2004SyncLockableWorldView.notify(UT2004SyncLockableWorldView.java:253)
at cz.cuni.amis.pogamut.base.communication.mediator.impl.Mediator$Worker.run(Mediator.java:315)
at java.lang.Thread.run(Thread.java:662)

(NavigationBot) WARNING 14:11:54.114 path computation failed
(NavigationBot) SEVERE 14:11:54.114 Picking new target navpoint.


What could be causing this problem?¿?¿?¿
thank you very much
Greetings to all
Reads: 14239
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Posted by jakub.gemrot on Tue 19 of Jul, 2011 19:38 CEST
Hi guys!

I'm going to check it out. Please note, that some maps are just weird ... if you find yourself in troubles - please try to experiment with "fwMap" as well. That is an implementation of Floyd-Warshall algorithm that allows you to find any path between any navpoints. You can just get nearest navpoint to your bot and navpoint to your target and use it the same way as "pathPlanner".

Cheers!
Jimmy
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Posted by jakub.gemrot on Tue 19 of Jul, 2011 19:40 CEST
Reply from Sören Dierkes from mailing list:

===

Hi,

if the item is not reachable, you got such an exception but you can test
if it is reachable.

I got a question as well ;-)
I have the same error, but why does this occur?
I test my bot on DE-DM-Ironic and all weapons arent reachable, but why?
He finds the armor but nothing else.

Sören
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Posted by jakub.gemrot on Tue 19 of Jul, 2011 19:48 CEST
Hi!

I'm sorry, we've got a "works for me" situation here:

Using code: pathExecutor.followPath(pathPlanner.computePath(info.getLocation(), endNavPoint));

Between navpoints: "DM-DE-Ironic.PlayerStart7", "DM-DE-Ironic.InventorySpot108"

And it is working just fine.

Please send me two navpoints between which you can't navigate. And please, try to experiment with "fwMap" as well!

Btw, Sören, which version of Pogamut are you using?

Cheers!
Jakub
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Acknowledgement

This work is supported by GA UK 1053/2007/A-INF/MFF (2007-8), GA UK 351/2006/A-INF/MFF (2006-8), the Ministry of Education of the Czech Republic (grant MSM0021620838) (2008-9), by the Program "Information Society" under project 1ET100300517 (2006-9), and the project Integration of IT Tools into Education of Humanities (2006-8) and by the project CZ.2.17/3.1.00/31162, which are financed by the European Social Fund, the state budget of the Czech Republic, and by the budget of Municipal House Prague.