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Editing textures

E

efpg0708

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25
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brazil
Hello guys. I'm trying to edit a texture file for some SODE runway lights (pic below)

https://imgur.com/a/tscwcls

Basically I'm trying to leave only the green and blue lights, but when I delete the other ones and save a new file, no lights are shown in P3D.

What could be causing this ?

(this is for my personal use only).

Thanks

Eduardo
 
I assume it has some special formatting that is removed when you save it. Try loading it into a program like DXTBmp and see what it says?
 
tgibson said:
I assume it has some special formatting that is removed when you save it. Try loading it into a program like DXTBmp and see what it says?
Click to expand...
Hello. This is what I get when I load it in DXTBmp.
 

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If you look in the upper left corner of your image you can see that the image is in 32 bit format. Paint programs cannot typically save files in that format. Also, look in the upper right corner, and you can see that it also contains an alpha channel (the small image there).

So to deal with all that:
1. In DXTBmp Alpha/Save (Export?) Alpha Channel (not sure of the exact wording). Saved as a grayscale BMP.
2. If you want to change the transparency of the image, edit the image from step 1. Black = transparent, white is fully opaque.
3. Load your repainted main image into DXTBmp. Note the alpha channel is white.
4. Alpha/Load (import?) Alpha Channel
5. Browse to the image from step 1 or 2 and load into the alpha channel.
6. File/Save As, 32 bit 888 format from the drop down menu.
7. Make sure to not overwrite the image from step 3, you’ll need that in case you need to tweak it later.
8. Use this 888 image in FS.

Hope this helps,
 
tgibson said:
If you look in the upper left corner of your image you can see that the image is in 32 bit format. Paint programs cannot typically save files in that format. Also, look in the upper right corner, and you can see that it also contains an alpha channel (the small image there).

So to deal with all that:
1. In DXTBmp Alpha/Save (Export?) Alpha Channel (not sure of the exact wording). Saved as a grayscale BMP.
2. If you want to change the transparency of the image, edit the image from step 1. Black = transparent, white is fully opaque.
3. Load your repainted main image into DXTBmp. Note the alpha channel is white.
4. Alpha/Load (import?) Alpha Channel
5. Browse to the image from step 1 or 2 and load into the alpha channel.
6. File/Save As, 32 bit 888 format from the drop down menu.
7. Make sure to not overwrite the image from step 3, you’ll need that in case you need to tweak it later.
8. Use this 888 image in FS.

Hope this helps,
Click to expand...
Thanks for the reply. I will try to do what you’ve said !

Eduardo
 
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