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FSX Problem in alignment a modified runway heading with S Builder image

HaithamElshazly

HaithamElshazly

Messages
75
Country
egypt
Hello Freinds,

Facing a big problem in my new project, hope i can get help.

I made a BMP image using Sbuilder X as usual to be used as photo scenery base, and i compiled it and get a bgl file, and test it later in FSX with no problems.

i Made jpg photo from the S builder image and place it in the ADE using the image coordenates, and the runway was alligned well the runway heading in photo scenery.

Problem begin when i start the afacad work in ADE, i modified the heading of the runway based on the latest charts of the airport, which make the modified runway a littel move far from the heading of the photo scenery runway.

so i had to edit / move the image in ADE to make it fir with the new heading of the runway.

But when i compiled the airport, AND TEST IT IN fsx, i found out that the new heading of the runway do not match the old one in photo scenry, please have a look:

fsx alignment runway problem 2.jpg


Could any one please advise how to fix this problem..

Thank you
 
G

GaryGB

Messages
7,450
Country
us-illinois
Hello:

If you post what the ICAO is for the airport, that will make it easier for someone here to determine the nature of the problem, and perhaps offer some advisement on what to do to achieve a proper alignment. :scratchch

GaryGB
 
Lane Street

Lane Street

Messages
777
Country
unitedstates
HaithamElshazly said:
i Made jpg photo from the S builder image and place it in the ADE using the image coordenates, and the runway was alligned well the runway heading in photo scenery.

Problem begin when i start the afacad work in ADE, i modified the heading of the runway based on the latest charts of the airport, which make the modified runway a littel move far from the heading of the photo scenery runway.
Click to expand...

The charts are most likely giving you magnetic headings while ADE uses true headings. This could account for the heading difference.

HaithamElshazly said:
so i had to edit / move the image in ADE to make it fir with the new heading of the runway.
Click to expand...

That will not change the photo scenery. It will still show the original heading.

The standard procedure is to match the ADE runway with the photo runway, not the other way around.

cheers,
Lane
 
HaithamElshazly

HaithamElshazly

Messages
75
Country
egypt
Hello Lane,

Thanks a lot for your reply, I agree with you that the heading difference is due to the difference between the true and magnetic heading.

The point now is: how to match the new - magnetic - ADE runway heading with the photo scenery true runway heading?

Thank you

Haitham
 
jvile

jvile

Messages
8,893
I took a Sat photo of the airport and added it as a background image to ADE

ADE and many Sat utilities open facing north so in most cases no tweaking of the headings are required. The True runway heading in ADE is 142.940002 and the true runway heading I measured in Google was also 142.94.

I can now redraw the taxiways and add all the additional aprons.

fsscr012.jpg
 
HaithamElshazly

HaithamElshazly

Messages
75
Country
egypt
Thanks Jvile,

But as of the new chart of the airport the runway heading is 139 / 319, which should modified in ADE, PLEASE CORRECT to me this information.

After i modified the runway heading in ADE, the New heading ( 319 ) not match with the SAT runway heading as explained above.
 
GHD

GHD

Messages
12,243
Country
england
If you are going to use photo-textures, it is no use using an ADE background. You need to use ADE connected to FSX with the textures installed.

If you use a transparent runway in ADE, you will see that the runway has the correct heading, but it is displaced slightly south:



 
Lane Street

Lane Street

Messages
777
Country
unitedstates
HaithamElshazly said:
Thanks Jvile,

But as of the new chart of the airport the runway heading is 139 / 319, which should modified in ADE, PLEASE CORRECT to me this information.

After i modified the runway heading in ADE, the New heading ( 319 ) not match with the SAT runway heading as explained above.
Click to expand...
The new magnetic heading is 139/319, the true heading has not changed unless someone dug up the runway and moved it.

ADE uses true heading, not magnetic heading.

There is no way in ADE to change the magnetic heading of a runway.

cheers,
Lane
 
scruffyduck

scruffyduck

Administrator
Staff member
FSDevConf team
Resource contributor
Messages
34,854
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unitedkingdom
There is no way in ADE to change the magnetic heading of a runway.
Click to expand...

That is correct ADE deals with the physical runway. However you can change the runway numbering if you wish to match the new mag headings.
 
HaithamElshazly

HaithamElshazly

Messages
75
Country
egypt
Lane Street said:
The new magnetic heading is 139/319, the true heading has not changed unless someone dug up the runway and moved it.

ADE uses true heading, not magnetic heading.

There is no way in ADE to change the magnetic heading of a runway.

cheers,
Lane
Click to expand...


Yes Lane,

I understand your comment well, thank you.

But i am so sorry i am still confused.

Should i modify the runway heading - as mentioned in charts - from 322 to 319 in ADE or not?

If yes, when i compile my ADE afacad file and export it to FSX I find out that the new runway heading dosn,t match the SAT runway!

what can i do?

Thanks a lot.
 
scruffyduck

scruffyduck

Administrator
Staff member
FSDevConf team
Resource contributor
Messages
34,854
Country
unitedkingdom
DO NOT change the runway in ADE to match the magnetic heading. Runways are fixed in the ground and have a true heading - you can't move them in real life and that is what you are suggesting that the airport authorities dig it up and move it a bit. Runway positions and headings never change. Magnetic variation does change over time and that is what the chart reflects. Every so often airports re-number the runways to reflect mag heading - yes runway numbers are based on magnetic heading. FS provides a file for magnetic headings and this was fixed to 2006 when FSX was created. So most mag headings at airports are now wrong. I believe it is possible to change that file but I would not know how and it is not done with ADE.
 
jvile

jvile

Messages
8,893
There are updated magdec.bgl's on various web sites that update the magnetic variations in FSX but use at your own risk. They have been known to cause problems.
 
Tanocapo

Tanocapo

Messages
27
Country
argentina
Hi guys!!!

Sorry to bring back this topic. I'm trying to modify an airport that i've created some time ago in FSX to work in P3DV3. And my problem is exactly the same as the original poster had. What would you reccomend me to do? This particular airport change heading from 181° to 189°.
Excuse my not perfect english. I hope you understand!!
Cheers and thanks in advance!!
 
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