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 LK8000 International Support
 BUG reporting and solved list
 Accuracy of displayed waypoints
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BravoLima
Aquilotto

Netherlands
261 Posts

Posted - 26/12/2022 :  10:28:54  Show Profile  Reply with Quote
Is it possible to improve the accuracy of cup-format waypoint positions?
Below an Openair airspace file and a SeeYou waypoint both have the same geographical position but are displayed differently (waypoint symbol position relative to center of area). In addition, the symbol position seems to be shifting depending on the zoom level.


Openair txt format:
Danger Area = Hang/Paragliding winching location

AC Q
AN PGL NUMANSDORP
AH 1500FT MSL
AL SFC
V X=51:45:11 N 004:27:20 E
DC 1

SeeYou cup format:
Waypoint (M) = MLA-site

"(M)",(M),NL,5145.183N,00427.333E,,1,,,,"","AGRICULTURAL ACFT J.A.P. BOGAERDS NUMANSDORP",,



Edited by - BravoLima on 06/01/2023 13:13:58

brunotl
Pterodattilo

France
978 Posts

Posted - 29/12/2022 :  16:03:24  Show Profile  Reply with Quote
non landable turnpoint bitmap symbol is shifted right by 5 pixel ( unrelated to zoom level or anything else ...)

Edited by - brunotl on 29/12/2022 16:03:53
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BravoLima
Aquilotto

Netherlands
261 Posts

Posted - 29/12/2022 :  16:14:18  Show Profile  Reply with Quote
quote:
Originally posted by brunotl

non landable turnpoint bitmap symbol is shifted right by 5 pixel ( unrelated to zoom level or anything else ...)



Why this inaccuracy, what is the purpose?
Can this be corrected, set to 0 pixel?

Edited by - BravoLima on 29/12/2022 19:02:17
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brunotl
Pterodattilo

France
978 Posts

Posted - 30/12/2022 :  12:35:04  Show Profile  Reply with Quote
initialy it's just to declutering, if you set your turnpoint as goto, the end of purple line is at the right place and don't overwrite the symbol, when symbol is just a "dot", this could look wrong, but when it's others (tower/bridge/thermal/...) symbol that can look good...
it's choice made by someone long years ago, we can remove the offset and set the center of symbol on the right TP position.
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BravoLima
Aquilotto

Netherlands
261 Posts

Posted - 30/12/2022 :  13:21:36  Show Profile  Reply with Quote
Thanks for the explanation, it's clear now.
Personally I would have removed the offset, but if this raises new questions then this is not necessary.
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BravoLima
Aquilotto

Netherlands
261 Posts

Posted - 04/01/2023 :  14:28:54  Show Profile  Reply with Quote
quote:
Originally posted by brunotl

initialy it's just to declutering, if you set your turnpoint as goto, the end of purple line is at the right place and don't overwrite the symbol, when symbol is just a "dot", this could look wrong, but when it's others (tower/bridge/thermal/...) symbol that can look good...
it's choice made by someone long years ago, we can remove the offset and set the center of symbol on the right TP position.



What if the purple trackline between the start and end waypoint is trimmed or shown in the background (symbol on top)? Waypoint symbols are then not overwritten and an offset is not necessary.

Edited by - BravoLima on 06/01/2023 13:14:33
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brunotl
Pterodattilo

France
978 Posts

Posted - 05/01/2023 :  09:49:34  Show Profile  Reply with Quote
- the offset is already removed for the next release : https://github.com/LK8000/LK8000/commit/0bd913caa33ca3a5b3d014762b8cc126130d8939
- issues was created to remember to draw symbol over the task and target line : https://github.com/LK8000/LK8000/issues/1603

Edited by - brunotl on 05/01/2023 12:25:47
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BravoLima
Aquilotto

Netherlands
261 Posts

Posted - 06/01/2023 :  07:41:29  Show Profile  Reply with Quote
Thanks, I've installed the new beta v7.4.1 and noticed that the offset was removed.
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