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  Gimp shows blank black screen when opening image
Posted by: Stephen_A - 11-01-2025, 12:59 AM - Forum: Windows - Replies (1)

Just re-installed Gimp 3.0.6 on Windows 11. Upon opening a jpg Gimp shows a featureless black screen. 
Gimp Vid

Right clicking a jpg and choosing 'open with Gimp' produces a similar effect. Any suggestions or help welcome. Thanks.



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  Outlined and filled in 3.0.6
Posted by: davidsk - 10-31-2025, 11:39 AM - Forum: General questions - Replies (2)

I am struggling with the recently added ability to use outlined and filled text. Sometimes it works, and sometimes it does not. As I am a novice in GIMP, the problem may be me. That is, there may be something I am failing to do. I click the icon to insert text and with the 'Filled' option, the text is visible. Then, I click the 'Outlined and filled' and nothing happens. However, a few times this has worked. Is it an inconsistency, being a new feature, or is it an inconsistency of my being a new user? Any advice on this will be much appreciated. Thank you.

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  Can't find path plug-in
Posted by: Zero01 - 10-30-2025, 09:28 AM - Forum: General questions - Replies (7)

Hi folks! I'm using GIMP 3.0.6 -1 (aarch64) on an X-server (Termux:X11) for Android, so that's a challenge for a start.
Literally not used the program for a couple of years(??)..since 2.10.

There is a plug-in I saved that has the following line:
menupath = '<Vectors>/Tools/Transformations/Moebius map with control of poles'
...which tells GIMP where to put to path (location) to the plugin, as I can't find it anywhere, in the Paths menu I assume the path used is outdated for GIMP3, or will a lot of plugins made for 2.10 and earlier simply not work on 3.x.x?

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  "Plug-in crashed" on GIMP 3.0.6, Windows 11
Posted by: ManderLists - 10-28-2025, 05:29 PM - Forum: General questions - Replies (4)

I just downloaded and installed 3.0.6 yesterday after being prompted to install an update. However, I can't open certain files to edit them as I get the following error messages:


Quote:GIMP Message
Plug-in crashed: "file-jpeg.exe"
(C:\Program Files\GIMP 3\lib\gimp\3.0\plug-ins\file-jpeg\file-jpeg.exe)

The dying plug-in may have messed up GIMP's internal state. You may want to save your images and restart GIMP to be on the safe side.

GIMP Message
Opening 'C:\Users\USER\Downloads\TestPhoto.jpg' failed:

Procedure 'file-jpeg-load' returned no return values

I found a thread referencing a similar problem so I checked to see what is in the plug-in folders under Preferences: 
  • C:\Users\USER\AppData\Roaming\GIMP\3.0\plug-ins (empty except the gmic plugin I tried to install)
  • C:\Program Files\GIMP 3\lib\gimp\3.0\plug-ins
This is only happening with certain .jpg files -- other ones seem to open fine. The files in question can be opened with other programs though, including GIMP 2.10.

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  Upgrade 3.0.6
Posted by: J-C R 45 - 10-28-2025, 02:46 AM - Forum: Windows - Replies (4)

Upgraded Gimp 3.0.4 to Gimp 3.0.6.
Gimp 3.0.6 is crashing when initialising documents.
Uninstalled & reinstalled many times, removed all Gimp from PC
still crashing.
Reinstalled Gimp 3.0.4 and working perfectly.
Any recommendation.
Thankyou

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  fill area has a border..
Posted by: Studoc64 - 10-27-2025, 11:36 PM - Forum: General questions - Replies (3)

Hoping this is the most basic of questions with a quick referal to an answer...

I have imported an image, with a view to making some mods to it's content. 

To this end I have created another layer and employed a rectangle select, to enclose an area I would like to modify..

I have then used the colour picker to copy the colour of the image around this area and applied the fill bucket to essentially paint over some information that sat with the rectangular area, in the original image.

Happy days...

Now when exporting the image I find a feint border to the rectangle... Not what I was looking for...

There are many variables within the fill bucket tool, I am flying blind, but no alterations to these variables change the result...

How do I get rid of that border...?

Thanks,

Stuart

   [Image: view?usp=sharing]

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  A simple function to use non-linear curves in Python
Posted by: Scallact - 10-27-2025, 05:20 PM - Forum: Extending the GIMP - No Replies

Hello,

I hit a wall when trying to convert one of my old v2python scripts making use of curves. The problem is that the curves_spline(...) API function works in linear space, with no option to use curves in non-linear space. Designing curves in linear space is a nightmare, so don't even start me on this ;-)

Simply converting the curves coordinates to linear don't work, as x values are compressed to the left, and the result is very, very ugly. The right way to do it would be to sample many points along the curve, by applying the Catmull-Rom splines algorithm, but these splines require 4 points to work, and I have no idea how GIMP calculates the first and last segments.

It seems I'm not the only one on the internet with this problem since 3.0, and all questions of this kind are generally left unanswered, so I wanted to share a mildly clever little hack I found here. 

The idea is to transform the coordinates values to linear, apply the non-linear spline curve, and transform back the values to the original non-linear space.If you find this back-and-forth confusing, so do I, but after much brain storming and many tests I can say that it works really well... except for 8 bits integer images which really don't like 3 consecutive operations in linear space!!! (please keep that in mind)!

Here is my code. Reuse it as you wish!



Code:
def srgb_curves_spline(drawable, channel, spline) :
    # GIMP 3.0 API curves functions only work in linear space. This function is a hack
    #   to reproduce the effect of a non-linear srgb spline curve.
    # IMPORTANT: this function does NOT work well with 8 bits integer images. 
    # The "spline" parameter is a list of x y coordinates of the spline points. 
    # See the GIMP API doc for the channel parameter...
    #   example: 'Gimp.HistogramChannel.VALUE' (without quotes)
    # Non-smooth points are not supported. 
    # License is GPL3: http://www.gnu.org/licenses/gpl.html
    
    samplecount = 1024 # count of equidistant samples in linear space
    
    linofx_curve = []
    srgbofx_curve = []
    i = 0
    
    while i < samplecount :
        
        # current step in linear space
        xlin = float(i) / (float(samplecount) - 1.0)
        
        # srgb to linear
        if xlin < 0.0031308 :
            linofx_curve.append( xlin * 12.92 )
        else :
            linofx_curve.append( 1.055 * xlin**(1.0/2.4) - 0.055 )
            
        # linear to srgb
        if xlin < 0.04045 :
            srgbofx_curve.append( xlin / 12.92 )
        else :
            srgbofx_curve.append( ( (xlin+0.055)/1.055 )**2.4 )
        
        i += 1
        
    # end while
    
    # apply the curve surrounded by a back-and-forth to linear space values
    # note that we don't change the color space of the image, it's just en intermediate 
    # representation of values 
    drawable.curves_explicit(channel, linofx_curve)
    drawable.curves_spline(channel, spline)
    drawable.curves_explicit(channel, srgbofx_curve)

    return


Notes: 
The default "srgb" color space is used for the non-linear space. If you really need curves in other spaces, change the transfer functions accordingly.
You can tweak the "samplecount" parameter for performance (down to 256). The value chosen (1024) ensures good quality conversion of dark values, but 256 is perfectly acceptable.

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  free e-on 3D software
Posted by: denzjos - 10-27-2025, 07:34 AM - Forum: Other graphics software - Replies (2)

e-on software products have served the media and entertainment industry for over 27 years. Following its acquisition by Bentley Systems in 2015, e-on software’s technologies have been integrated into various Bentley products and have been used by valued customers and partners world-wide.

For over 39 years, Bentley’s focus has been to serve engineers and other professionals responsible for designing, constructing, and operating sustainable infrastructure. To keep our focus, we have decided to end sales for VUE, PlantFactory, and PlantCatalog. These products will not be further developed, and support will be limited to critical security patches.

However, we are offering free downloads and usage of VUE, PlantFactory, and PlantCatalog as perpetual versions to anyone interested in continuing to utilize these products and technologies! Simply download the product and acknowledge the new end-user-license-agreement (EULA) agreeing to using the software without support.

https://www.bentley.com/software/e-on-so...-downloads

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  Gimp whimsy about wich monitor start in.
Posted by: mrkid - 10-23-2025, 06:22 PM - Forum: General questions - No Replies

Hi!. Im currently working in a three monitor setup. Handy. The problem i have with Gimp is that for some reason it starts each time where he wants. I want it starts in the main monitor, at center of the three. It is the main monitor on windows setup. But Gimp sometimes starts at right monitor, sometimes at middle, sometimes at left... Funny! But bother a little, you need to drag it, maximize, etc, before start to work.
I have changed preference in "Windows management" but no change. It still opens where it desires.
Any tip?
Edit: I found what happens. Gimp follows my mouse. If i move my mouse to another monitor after click GIMP icon, gimp opens where my mouse is placed. So... you need to waaaait gimp totally open, to continue working...

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  Copy content of channels into other ones
Posted by: top1r - 10-23-2025, 04:43 PM - Forum: General questions - Replies (2)

Hi, I would like to know how to copy the content of colors channels RGB (Red, Green and Blue) into Green, then copy the content of Alpha channel into Red ?

I tried it on PS and it was quite easy, but I can't manage to reproduce it on Gimp.

Thanks and have a good day !

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