[REPORTED] HUD: AG TLL Line Points incorrectly - ED Forums
 


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Old 12-22-2019, 01:44 AM   #1
Deano87
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Default [REPORTED] HUD: AG TLL Line Points incorrectly

Hey all.

Apologies if this is already a well reported bug that is on the way to being fixed but I did a search here and it didn't find anything.

The issue i've found is that the Air to Ground TLL (Target Locator Line) points at the "target out of HUD" box rather than the location of the target itself. The TLL should point from the gun cross directly towards the target, to give you the fastest possible way to putting your nose on target. As you can see in the screenshots below it instead tracks the target box as that floats around the edge of the HUD, this is incorrect behaviour and makes the TLL useless.

In the images below the red line shows where the TLL points currently, the blue line shows where it should point. Notice how the error becomes much bigger as soon as you bank the aircraft.

I've attached a track for what its worth but it always shows this incorrect behaviour so is easy to replicate otherwise.

TRACK





Attached Thumbnails
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Attached Files
File Type: trk F-16 TargetLineIssue.trk (220.7 KB, 97 views)
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Last edited by Deano87; 12-22-2019 at 01:52 AM.
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Old 12-25-2019, 01:09 AM   #2
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Anybody?

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Old 12-25-2019, 04:04 AM   #3
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Looking again the clamped edge of HUD symbol is drawn according to a line from some invisible HUD center which I think is correct logic. The TTL being from the GC toward the object should almost never be the same line. It appears that the current TTL is drawn pointed toward the clamped symbol which doesn't agree with the true line to object.



The clamped symbol and TTL are really the same logical construction. The difference that you're pointing out is that they use different origins (HUD center and GC) and so the have to be calculated independently. Drawing the TTL pointing at the clamped symbol is an oversimplification that doesn't produce the correct results.


It's a long wording to indicate agreement; well spotted.

Last edited by Frederf; 12-25-2019 at 04:18 AM.
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Old 12-25-2019, 05:09 PM   #4
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Quote:
Originally Posted by Frederf View Post
.It's a long wording to indicate agreement; well spotted.
Thanks Frederf, glad to know it’s not just me that thinks it’s weird hehe.
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Old 12-26-2019, 10:34 PM   #5
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Reported, thanks!
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Old 01-07-2020, 12:07 PM   #6
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Default HUD: AA TLL Line Points incorrectly

Hey All.

I made a bug report a couple of weeks ago about the Air to Ground TLL (Target Location Line) pointing incorrectly. This line should come from the gun cross a point directly at your current AG target. This thread can be found here: https://forums.eagle.ru/showthread.php?t=258761

I hadn't yet checked the Air to Air TLL Line so I didn't comment on that. But somewhat predictably it looks like the AA TLL Line also works incorrectly in the exact same way.

As before in the screen shots the blue line denotes where it should point and the red line shows where it's actually pointing.

Track attached, Latest Beta.




Attached Thumbnails
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Name:	F-16AATLLBug1.jpg
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Name:	F-16AATLLBug2.jpg
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ID:	224550  

Click image for larger version

Name:	F-16AATLLBug4.jpg
Views:	892
Size:	289.3 KB
ID:	224551  
Attached Files
File Type: trk F-16 AATargetLineIssue.trk (567.0 KB, 34 views)
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Old 01-07-2020, 05:16 PM   #7
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Good catch, looks like the TLL is pointing to the point on the ground directly below the target.
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Old 01-07-2020, 06:39 PM   #8
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Quote:
Originally Posted by antsh View Post
Good catch, looks like the TLL is pointing to the point on the ground directly below the target.
Good guess, but not quite. If you take a look at the AG TLL thread I created you can see it points at a box for the target that is clamped to the edge of the HUD. The location of this box is drawn from the centre of the HUD. In AA mode it’s doing the same although there is no “target out of HUD” box like there is in AG mode. Dunno if that made sense. It’s difficult to describe lol
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