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FS9 model in FSX

gsnde

gsnde

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I am not sure if this should have gone to the modelling forum...

Ok, I have the C-160 Transall, a model which was made for FS9. With one exception it behaves perfectly with FSX SP2. Now this is the exception:

transall.jpg


As you can see there is a see-through hole in the plane where the squadron emblem is placed.

The modeller says that this is due to a combination of alpha channel from the bitmap and the material definition of the model and can not be fixed.

Well, I have seen so many impossible things gotten fixed over here that I like to ask for your opinion. Is this something that might be fixed only by manipulating the bitmap?
 
I don't have the model so I am shooting in the dark a little here, but if the squadron emblem texture has an alpha channel I would suggest to you that it is black and needs to be white.
 
Hi Folks

Gsnde -
In FSX,
pure white is transparent in an alpha.
Grey it down a notch.

HTH
ATB
Paul
 
Paul,

As soon as I grayed the alpha channel the hole in the aircraft was gone. The bad news is that the emblem now is surrounded with black color, exactly the same shape like the former hole.

Black is the background color of the emblem.

The next thing I tried was to change the background of the emblem to fit the surrounding aircraft color. This works, although it is not a perfect solution. Much work to change all the bitmaps. Do you have an alternative suggestion what else I might try? This is absolutely not my area of experience...

I have no idea for what reason exactly and only under the emblem the aircraft has a hole. It must be connected to the fact that the emblem goes there. Can you imagine what the developer has done here? He said it is due to the material definition. If this makes sense to you, would you rate it a high effort to "fix the hole"?
 
Hi Folks

Gsnde -
Not my area either.
LOL.
Anyone else ?



Does this model come with basic textures, and lots of repaints ?
Does this issue appear on multiple places on the aircraft, for a single repaint ?

You shouldn't need to change all the textures,
just those that are overlaid.



Thinking about this -
Maybe worth checking the format of the overlaid emblem texture.
See - Texture Formats (Overview)

Does the overlay really need an alpha ?
Try removing the emblem's alpha entirely.
Then setting the emblem's background to match the fuselage colour, (use the ColorPix tool).



HTH
ATB
Paul
 
Last edited:
Paul,

You shouldn't need to change all the textures,
just those that are overlaid. ... Then setting the emblem's background to match the fuselage colour, (use the ColorPix tool).
Click to expand...

This is working, that is what I meant when saying:

The next thing I tried was to change the background of the emblem to fit the surrounding aircraft color.
Click to expand...

I only changed the emblems back color. And I did not remove the alpha channel before I changed the background color. It seems not to have a bad influence though.

The model has not a single other texture fault. There are several repaints, and all comes with the complete set of textures.

Thank you for your help.
 
Hi Folks

Martin -
Sorry if I've misunderstood.
So it's all working ok now ?



For the emblem area -
It'd be worth checking that against -
- Clouds
- Glass terminal buildings

i.e.
Against any other background that utilises transparency.



If there's a problem there,
then try removing the emblem's alpha channel.



HTH
ATB
Paul
 
This is how it looks with the adapted background.

trans2.jpg


I have no clue how much work it means for a modeler to change the material definition for one part of an aircraft (if such is possible) and re-export it, but I am still trying to convince him. Looks like this is the only FSX-SP2 fault in an otherwise very nice model.

I will test against clouds and glass, Paul. Thanks for the good tip.

Cheers,
Martin
 
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