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[1.11 SR6] Ferry Mission Nav Route

 
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[1.11 SR6] Ferry Mission Nav Route - 11/18/2016 11:49:01 AM   
AlGrant


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The AI struggle to plot a course for a Ferry mission if there is a No-Nav zone along the most direct route and can get stuck until they reach Bingo fuel .... then they plot a valid course.

In the attached scenario:
2x Airfield (#1 & #2)
2x Altas C.1 at airfield #1 - both assigned to ferry mission.
Ferry mission: Destination: Single-Unit Airfield #2 (Cycle) - Quick turnaround enabled - Flight size - single aircraft.

Outward path:
Both aircraft seem oblivious to the No-Nav zone, flying directly towards it until they reach the edge.
AI navigation then gets messy with both aircraft struggling to find a way around.
One a couple of occasions the aircraft plot courses that seem to get the around the No-Nav zone but they then double back and get in trouble again! A/C speed fluctuates wildly, dropping as low as 0kts.


Both aircraft remained 'stuck' until running low on fuel.
One aircraft eventually reached Bingo Fuel it plotted a valid course the mission destination, the other remained 'stuck' until it also reached Bingo Fuel and then plotted a valid course to airfield #2


Return path:
Both aircraft still struggle to find a return path, but manage it a little better than the outward leg .... possibly due to the angle of the No-Nav zone in this scenario.

Not checked all other mission types, but did check a support mission and also issuing RTB commands to aircraft where the courses would require navigation around the No-Nav zone. These worked correctly with the AI plotting a course that avoided the No-nav zone.







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RE: [1.11 SR6] Ferry Mission Nav Route - 11/18/2016 1:08:18 PM   
mikmykWS

 

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Did you alter fine grain navigation settings?

Mike

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RE: [1.11 SR6] Ferry Mission Nav Route - 11/18/2016 1:23:22 PM   
AlGrant


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Settings are:
Fine-grained navigation, max distance (nm): 8
Threshold distance (deg):1

Are these the defaults ? I don't recall ever changing them

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RE: [1.11 SR6] Ferry Mission Nav Route - 11/18/2016 2:02:29 PM   
mikmykWS

 

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Try and see what happens. This might resolve the issue.

Thanks!

Mike

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RE: [1.11 SR6] Ferry Mission Nav Route - 11/20/2016 10:57:22 AM   
AlGrant


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Ran a few variations of the nav settings and with the bases as the original post (135nm apart) there is still a problem.
If I place the bases further apart (750nm) they find a route around without too much trouble.

So I guess maybe it's working as expected and it could be down to the distance between the bases.

Still, it's a little odd that the AI struggles for a ferry mission when an airborne aircraft nr one base and given an RTB order to the other base then the AI can instantly plot a sensible course around the No-Nav
with default nav settings.


Also if a Patrol mission is created and 1 aircraft assigned to the ferry mission and 1 to the patrol.
The patrol mission route doesn't have any issues getting around the NoNav .... pretty much the same route as the RTB.
But the ferry still head directly toward the NoNav and gets stuck.






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RE: [1.11 SR6] Ferry Mission Nav Route - 11/20/2016 11:52:37 AM   
mikmykWS

 

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Might be when the navigator is called. Nice work Al will add this to our list.

Mike

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RE: [1.11 SR6] Ferry Mission Nav Route - 11/20/2016 12:09:06 PM   
AlGrant


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OK.
It looks like the AI takes a different approach to navigation between Ferry and Patrol/RTB/Bingo.

I tried what is a bit of an extreme case as I wanted to see just how good the AI was (and look at differences in nav settings).
More than you'd really expect in most scenarios. It comes as not great surprise that the AI is pretty damn good (expected nothing less).

Same scenario but created a web of NoNav zones.
The Patrol has no problems with this. When the Patrol first takes off it draws a straight line between both airfields, through the NoNav zones.
A split second later the AI has a new course plotted.

The Ferry mission doesn't draw an initial course it just heads straight for the zone and gets into trouble.
So looks like the AI treats the nav differently.

Once the Ferry mission reaches Bingo or is given RTB then again the AI takes this web of NoNavs in its stride.

Save game available if needed.



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