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vp28171725
vp28171725
Participant
September 18, 2017
Question

24-bit Targa with alpha channel stopped working

  • September 18, 2017
  • 1 reply
  • 3294 views

Yesterday I've decided to finally update from AE CC 2015.3 to AE  CC 2017.2 and now I cannot export .tga sequences with alpha channel in 24-bit compression. The settings are same I've been using until now except now the images are on black instead of transparent background. Changing codec setting to 32-bit fixed it for my sake, but my client still cannot import the alpha channel. The same is happening with the old version of AE, I opted to keep during the installation.
Is it a bug or feature? And what can I do about it?

This topic has been closed for replies.

1 reply

Henrique -- TMMW
Henrique -- TMMW
Inspiring
September 18, 2017

When exporting you have the options for Straight and for Premultiplied alpha.

When importing you also have the interpret footage options. Also with Straight and Premultiplied options.

If it's working for you I'd guess your client is interpreting the footage wrong when importing.

Cheers

Henrique

Henrique \ TMMWClips Exporter | Text Replacer | Selector for Premiere Pro | Thumbs Up
vp28171725
vp28171725Author
Participant
September 18, 2017

I'm choosing premultiplied (straight has been giving me some jagged edges and odd blendings).
The thing is, even with this setting when I'm importing the 32-bit, AE asks me how to interpret the footage. Before it just imported it with alpha without asking (just like when you import a .png for example). Perhaps my client's software (I believe he's using AVID) just cannot handle it. Or maybe the guy cannot. Either way, it would be nice to be able to carry on exporting 24-bit targas with alpha as I was 2 days ago.. I'm using QT with tga compression now, but I like image sequences better.

Henrique -- TMMW
Henrique -- TMMW
Inspiring
September 18, 2017

You can set that in the preferences:

As for the client side I wouldn't be able to help.

Henrique \ TMMWClips Exporter | Text Replacer | Selector for Premiere Pro | Thumbs Up
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