Hello all,

Please excuse a rank amateur at photo editing. I'm sure I am making a sad noob mistake.
I've been editing tiff photomicrographs with GIMP- I started with 2.x and I'm now using 3.0.
I've mainly been adding labels- letters and arrows. It's all worked great until today.

The changes I made to the images are appearing in GIMP, but not in Windows Photo Viewer, or Paint, or anything except GIMP.
I've tried reloading and saving them with different file names but no joy. I have been keeping the tiff format.

Since I don't know an awful lot about editing, I haven't been changing any of the default settings when I open or save the images.
Any suggestions on how to resolve this are greatly appreciated!

Thanks

Chris

In using the brush and clone tool sometimes I encounter the problem of the colour or area I am cloning not being 100% opaque. I make sure there are no selections that could be the problem, also make sure that in the tool options it is set to 100% opacity & reset the tool options. I have not encountered this in vs 3 yet. Only in 2.10 but all was going smoothly originally so I'm unsure what the problem was.

Hello all good people,

my question is simple. Has anyone experienced that after using the ICC monitor profile, Gimp slows down significantly? I wonder if this is due to my ICC profile or if using them is generally so demanding on performance that Gimp slows down. 

Thank you 

Hi,

I have upgraded to Fedora 42, and GIMP 3 breaks all my plugins and script-fu, so 2.10.38 will be my last GIMP version.

I have been looking all day for an AppImage for 2.10.38, but all the ones I found did not work with Fedora 42.

I've found a 2.10.25 from 2021 that works: 2.10.25-20210610-withplugins-x86_64.AppImage

But this is way too old, I am sure it will break soon.

Does anyone can recommend a self-contained AppImage version 2.10.38 (or close) for Fedora?

Thanks!

The image: 80x120mm, 300 dpi, portrait orientation
 
In GIMP:
-File-Page Setup: Size A4, Orientation: Portrait, Margins:0
-clicking File-Print: "GNU Image Manipulation Program - Print" window shows up, with Orientation "Landscape"
-changing the orientation to "Portrait"
-clicking "More settings" which brings Canon's "Printing Preferences" window - again with "Landscape" orientation in "Quick Setup"
-sigh...and changing the orientation to "Portrait" (what does it actually means?? Is this paper orientation or image orientation?)
-Page Setup - Page Layout is set to "4-on-1 Printing".
-clicking OK-OK brings us back to the "GNU Image Manipulation Program - Print" window
-click "Print"
 
Now we should see the preview with the image taking up approx. 1/4 of the A4 sheet.
 
But...no.
What we see is a thumbnail, and no amount of manipulation of the print settings can change this.
However...
The same image opened in DPP4 and "printed" - shows up properly in the Preview window.
 
Comparison of the GIMP and DPP4 preview result is shown below.
 
WHAT IS GOING ON?
 
It appears that the whole "GNU Image Manipulation Program - Print" window could be replaced with just TWO controls: "More settings" and "Print" - since that window not only has null effect, but it looks  like any GIMP settings of the print are ignored (and the image is reduced to a thumbnail).

Attached Files

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Hello

Running 3.02
Gimp freezes and hangs when trying to export a file under a different format ( png to jpg).
Concerned file is quite small (around 1MB) and is a colour image.

Problem not solved by computer re-boot.

Any hint ?

I was installing Hitfilm express. Starting Hitfilm I had a Malware alert. Removed malware and now I cant open .png’ anymore in Gimp. (See attachment)

Uninstalled Gimp and reintalled it again stil doesn't work.

Attached Files

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Using sample points and the Levels dialog, I find that information is not getting updated

I am having a problem using sample points and getting the histogram initiated or updated in a Levels dialog.


1. (Often) I don't get a histogram when I initiate the Levels dialog
2. (sometimes) changing a channel level doesn't update the sample point display.

I have not figured out a way to force the updating to occur.

Has anyone else noticed this?

How do I save my interface set-up ???

I have done some serious research about this on the net but I can’t find no answer.

eg : View Menu : Unchecking "Show Layer Boundary"
Next time I open Gimp … there is happily that yellow dotted line again.

I found somewhere that Gimp saves this automagically by default but my Gimp does not do that. 

I am working with Gimp since … today. (Nice program btw ... love it.)

I just tried to produce custom paper profiles for Canon G660 (that will be G620 in the US if I am not mistaken). Calibrite ColorChecker Studio was used.
The monitor profile was created OK, so was the custom paper profile.
From GIMP - I printed the test image with ADOBE RGB color space. The print was OK, very close to the screen image, but one of the pictures in the test image displayed severe banding in a blue graduated sky. The test image was then converted to GIMP sRGB - same result. Finally - the test image was converted to the custom paper profile which was created.
This time - all was OK, no banding, nice colors as close to the screen as one could wish (with proper lighting, that is 

So - my question is:
Do I need to always convert any picture to the custom paper profile - before printing from GIMP? (BTW - the printer is using Relative Colorimetric setting, not perceptual).
Or - another question: is there something funny in GIMP color conversions? Or with blue colors? Or - is Canon striking again? (banding was evident even if original Canon printer profiles were used).

I am a little bit confused here (but at least I have a workaround).

This is a screenshot of the banding (colors are funny as the scanner is...well...you know). On the left - image w/o banding, on the right - an example of banding.




...and the whole test image.