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GIMP - 3.0.4 - perspective transformation

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GIMP - 3.0.4 - perspective transformation
MichalStanczyk Offline
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Posts: 1
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Joined: Jul 2025
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Gimp version:
  • 3.0

Operating system(s): Windows 10
#1
9 hours ago (This post was last modified: 2 hours ago by Ofnuts.)
Hi everyone

I installed the new version 3.0.4 and immediately encountered a problem with perspective transformation. It leaves black areas that should be transparent, leaving the background layer visible.

Could anyone point me to a solution? This wasn't an issue in the old version, so I hope it's just a matter of changing the settings.

Thank you for your help.

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rich2005 Offline
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Posts: 7,585
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Joined: Oct 2016
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Gimp version:
  • 2.10
  • 3.0

Operating system(s): Linux
#2
9 hours ago (This post was last modified: 3 hours ago by rich2005.)
(9 hours ago)MichalStanczyk Wrote: Hi everyone

I installed the new version 3.0.4 and immediately encountered a problem with perspective transformation. It leaves black areas that should be transparent, leaving the background layer visible.

Could anyone point me to a solution? This wasn't an issue in the old version, so I hope it's just a matter of changing the settings.

Thank you for your help.  

You need to add an alpha channel -  Layer -> Transparency -> Add Alpha Channel

Edit: What can you do in Gimp 3  - Edit -> Preferences -> Image Import & Export -> enable add Alpha channel......

   

Edit: It looks like this is fixed but you will have to wait until Gimp 3.2  ( works as per Gimp 2.10 using the development version Gimp 3.1.2)
oh..dear...the devs are still considering what to do Wink
https://gitlab.gnome.org/GNOME/gimp/-/issues/14431
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