Elvas Tower: Cab position on normal and widescreen monitors - Elvas Tower

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Cab position on normal and widescreen monitors Rate Topic: -----

#21 User is offline   Coolhand101 

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Posted 11 August 2017 - 09:19 AM

I also have a 1024x768 MSTS original cab image. Used on my 16x9 screen at 0% zoom, the angle of that cab( 14 ) is exactly the same in a 4x3 window view.

We are talking about the outside angle from the cab?

16x9 0% Zoom
http://www.atomic-album.co.uk/showPic.php/178898/test-16x9.jpg

4x3 window mode
http://www.atomic-album.co.uk/showPic.php/178898/test_4x3.jpg

Thanks

#22 User is offline   Borislav 

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Posted 11 August 2017 - 10:17 AM

On my machine they are not at the same angle. I've tried with different cabs, and they all show this discrepancy.

Do you think that maybe I am doing something wrong?

#23 User is offline   Coolhand101 

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Posted 11 August 2017 - 10:39 AM

View PostBorislav, on 11 August 2017 - 10:17 AM, said:

On my machine they are not at the same angle. I've tried with different cabs, and they all show this discrepancy.

Do you think that maybe I am doing something wrong?



I don't see how. Can you post your OR log file just incase. Also can you post the the top of your CVF file, showing the front, left and right positions?

Thanks

#24 User is offline   Borislav 

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Posted 11 August 2017 - 10:45 AM

View PostCoolhand101, on 11 August 2017 - 10:39 AM, said:

I don't see how. Can you post your OR log file just incase. Also can you post the the top of your CVF file, showing the front, left and right positions?

Thanks


Sure

Log file using Fullscreen (Wide screen) mode:
Attached File  OpenRailsLogWS.txt (14.26K)
Number of downloads: 340

Log file using Windowed (4:3 screen) mode:
Attached File  OpenRailsLogSS.txt (14.27K)
Number of downloads: 425

My .cvf file top section:

SIMISA@@@@@@@@@@JINX0h0t______

Tr_CabViewFile (
CabViewType ( 2 )
CabViewFile ( "..\\..\\Common.Cab\\ES44v3\\frontTEST.ace" )
CabViewWindow ( 0 0 640 400 )
CabViewWindowFile ( "" )
Position ( 1 4 8.5 )
Direction ( 14.6 -12.5 -0.1 )
CabViewFile ( "..\\..\\Common.Cab\\ES44v3\\levaCSXT.ace" )
CabViewWindow ( 0 0 640 480 )
CabViewWindowFile ( "" )
Position ( -1.1 4 9 )
Direction ( 3.45 -1.8 0 )
CabViewFile ( "..\\..\\Common.Cab\\ES44v3\\rightRW.ace" )
CabViewWindow ( 0 0 640 480 )
CabViewWindowFile ( "" )
Position ( 1 3.862 8.8 )
Direction ( 5 70 0 )
EngineData ( CEMEX_ES44 )
CabViewControls ( 48

#25 User is offline   Coolhand101 

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Posted 11 August 2017 - 11:59 AM

I cannot see anything obvious in the log file. I tried your direction parameters on my CVF file and the angles are still the same in 4x3 window mode and 16x9 0% zoom mode.

The only way i can get different angles in both modes is to use a different FOV on one of the modes.

Edit
Right i have notice something. I get a angle change in the horizontal, if i tick in the graphics tab "fast screen alt tab" for window mode. The angle does not change in full screen when exiting and starting OR.

Can you uncheck this parameter and see what happens in both modes.

Thanks

#26 User is offline   Borislav 

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Posted 11 August 2017 - 12:06 PM

Tried it. Still the same :(

#27 User is offline   Coolhand101 

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Posted 11 August 2017 - 12:18 PM

View PostBorislav, on 11 August 2017 - 12:06 PM, said:

Tried it. Still the same :(


Okay. I cannot think of anything else at the moment!

#28 User is offline   Borislav 

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Posted 11 August 2017 - 12:23 PM

View PostCoolhand101, on 11 August 2017 - 12:18 PM, said:

Okay. I cannot think of anything else at the moment!


That's it! It WAS the FOV!!!

To tell you the truth, I had no idea what it was used for, so I always left it at default value of 45.

But now that you wrote about changing it, I did just that - changed the value when running in windowed mode so the FOV has the same value as in Full Screen mode - and it works fine!

#29 User is offline   Coolhand101 

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Posted 11 August 2017 - 12:41 PM

View PostBorislav, on 11 August 2017 - 12:23 PM, said:

That's it! It WAS the FOV!!!

To tell you the truth, I had no idea what it was used for, so I always left it at default value of 45.

But now that you wrote about changing it, I did just that - changed the value when running in windowed mode so the FOV has the same value as in Full Screen mode - and it works fine!



Glad that it's sorted :thumbup3:

Btw, the tip about the 'fast screen alt tab' and horizontal shift, i could not reproduce it, so it must of been a fluke!

Thanks

#30 User is offline   Csantucci 

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Posted 12 August 2017 - 12:39 AM

I just arrived at the same conclusion.
The way cab resizing is managed now in case of widescreen windows is not correct in my opinion. What OR does when changing aspect ratio is to leave unaltered the vertical FOV while modifying the horizontal FOV.
Cabviews are built considering having an external standard vertical FOV of 45 degrees and consequently an external standard horizontal FOV of 60 degrees, which corresponds to the 4:3 screens.
A 45 degree vertical FOV leads to an 80 degrees horizontal FOV in a widescreen window.
So, as cab resizing is done, now its width covers an 80 degrees horizontal FOV and its total height (visible plus clipped) would cover a vertical fov of more than 45 degrees. This leads to the anomalies.
So in my opinion when resizing cabs because of widescreens OR should automatically adjust the vertical FOV (reducing it), so that the horizontal FOV remains constant at 60 degrees, which Borislav has done manually.

I have found this formula on the web
tan(FOV_H/2) / screen_width = tan(FOV_V/2) / screen_height

which should help to compute the vertical FOV to be used for a specific aspect ratio, leaving horizontal FOV at 60 degrees.

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