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File Formats in GIMP
http://gimpchat.com/viewtopic.php?f=8&t=20597
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Author:  FestusHagan [ Fri Oct 20, 2023 6:39 pm ]
Post subject:  File Formats in GIMP

GIMP Version: 2.10
Operating System: Windows
OS Version: 11
GIMP Experience: New User

List any relevant plug-ins or scripts:
RawTherapee



Hello,
I have a very basic, very beginner question or two, please.
If I pre-process an image (a photograph take in raw mode) in RawTherapee and upon saving (as a .PNG file) & closing the image (then GIMP boots up), do I need to apply the same edits to the image via GIMP?

My second question is, is .PNG the correct file format to save images in RawTherapee for processing in GIMP?

Thanks,
fh

Author:  Wallace [ Fri Oct 20, 2023 9:35 pm ]
Post subject:  Re: File Formats in GIMP

If you have both GIMP and RawTherapee installed.
You should be able to import the raw file into GIMP through RawTherapee.

Here's a youtube video about doing just that.

www.youtube.com Video from : www.youtube.com

Author:  PixLab [ Sat Oct 21, 2023 1:42 am ]
Post subject:  Re: File Formats in GIMP

FestusHagan wrote:

My second question is, is .PNG the correct file format to save images in RawTherapee for processing in GIMP?

Thanks,
fh


Yes, it's a lossless format like .TIFF
GIMP handle both formats in import and export

For comparison, if you don't compress them PNG and TIFF will result having ~the same size for the same image (depending the fine tune settings)
Attachment:
screenshot_20231021-145116.jpg
screenshot_20231021-145116.jpg [ 89.58 KiB | Viewed 2058 times ]

Author:  ofnuts [ Sat Oct 21, 2023 3:49 am ]
Post subject:  Re: File Formats in GIMP

FestusHagan wrote:
GIMP Version: 2.10
Operating System: Windows
OS Version: 11
GIMP Experience: New User

List any relevant plug-ins or scripts:
RawTherapee



Hello,
I have a very basic, very beginner question or two, please.
If I pre-process an image (a photograph take in raw mode) in RawTherapee and upon saving (as a .PNG file) & closing the image (then GIMP boots up), do I need to apply the same edits to the image via GIMP?

My second question is, is .PNG the correct file format to save images in RawTherapee for processing in GIMP?

Thanks,
fh


Well you can run RT as a Gimp plugin, but in practice you are going to spend quite some time in RT before you go to Gimp, so using them as separate applications is IMHO a better option.

To transfer files between the two, the best is lossless high-bit-depth TIFF (floating point) or 16-bit PNG. Plain PNG is 8-bits/channel only, and given that Gimp 2.10 can work with high-bit-depth images it is a shame to lose information early.

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