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Edit Color in a wallpaper
Forum: General questions
Last Post: rich2005
3 hours ago
» Replies: 6
» Views: 57
Scaling Image inverse pro...
Forum: General questions
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4 hours ago
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Went from low PPI to high...
Forum: General questions
Last Post: Ofnuts
11 hours ago
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» Views: 66
Make size A1 Poster - rig...
Forum: General questions
Last Post: Delfin93
Yesterday, 11:03 PM
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need to reproduce a pictu...
Forum: General questions
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Yesterday, 11:02 PM
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what happened? image appe...
Forum: General questions
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Yesterday, 07:15 PM
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how do I....
Forum: General questions
Last Post: HankB
Yesterday, 07:14 PM
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'Heal Selection' Missing ...
Forum: Gimp 2.10
Last Post: rich2005
Yesterday, 06:00 PM
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Mats and Frames
Forum: General questions
Last Post: dinasset
Yesterday, 03:21 PM
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Difference of gaussians f...
Forum: Extending the GIMP
Last Post: BusterBie
Yesterday, 05:30 AM
» Replies: 2
» Views: 54

  Moving content between existing layers
Posted by: willip4 - 03-31-2018, 09:36 AM - Forum: General questions - Replies (19)


I am completely new to Gimp. I have a very simple image made of up two layers.  My image is too large to post as an attacbment

I want to cut and move some of the content on one of the existing layers to the other existing layer and vice and versa.
I have been reading up and can see information about the Select Float technique but this is not working. I tried cut and paste as new layer and then merge down but this just seems to move the section I cut out and not the image content.

I would just like to understand.
1) How I should select the content I want to move. I have been using the paths tool and then selecting the path.
2) How I can permanently move the selected content from my first layer to my second layer including the content on the screen.

I am feeling very slow at the moment!

Any help or pointers to existing tutorials would be much appreciated.


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  Water Ripple
Posted by: dinasset - 03-31-2018, 07:04 AM - Forum: Extending the GIMP - Replies (2)

Now playing a bit with 2.10.
This mini filter was initially ported to 2.9.9 and tested with 2.10 RC (OK, it runs properly).
This filter is not ORIGINAL, i.e. has not been invented by me: 
I took a nice existing filter (in .scm) from RobA and ported into python (plus some bits and bytes).
If someone is interested in the original I attach it here too.
It's the versions I have in my folder, menu has been modified, it will appear under:
"<Image>/BestFilters/Distorts/Water Ripple..." (I do not remember the original menu).
My filter will appear under "<Image>/Diego/Ancillary2"
A sample image (original and outcome using defaults) is attached.
The filter reflects the part of the image which is selected (on the original the bottom part was selected).
Hence, to my taste, it gives the best result if we:
- select an image
- create a new one having the original with a doubled vertical canvas size and adding a duplicated layer reflected vertically
- merge to obtain the attached sample (input)
- select the bottom part
- run the filter to get the attached sample (outcome)
Comments, critics, suggestions are welcome.

Attached Files Thumbnail(s)

.7z   DIEGO_Ancillary2_WaterRipple299.7z (Size: 1.96 KB / Downloads: 45)
.7z   water-ripple.7z (Size: 1.74 KB / Downloads: 38)
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  Can't drag and drop to reorder layers - fixed
Posted by: gremlin1384 - 03-31-2018, 06:30 AM - Forum: General questions - No Replies

In the "layers" dialog, I can't drag-and-drop layers. When I pick a layer up, the dotted line indicating where it's supposed to land never shows up. When I let up the mouse button, the layer returns where it came from. I can move layers with the buttons on the bottom of the dialog, but that doesn't allow me to move layers in or out of groups.

Between me starting this post and finishing it, I fixed it. I'm still going to post it because I couldn't find the solution anywhere online. Apparently, this problem has shown up due to incompatibility with a handful of programs -- the ones identified elsewhere online are Skype, Kaspersky Antivirus, Camtasia, Snagit, Camstudio, and Tuneup Utilities. I'm adding the program DisplayFusion to the list. I was quitting programs one at a time to troubleshoot, and when I exited DisplayFusion, I was suddenly able to drag and drop.

I hope this is helpful to someone somewhere along the line.

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  Adding plug-ins to Gimp 2.10
Posted by: rich2005 - 03-29-2018, 08:29 AM - Forum: Windows - No Replies

Concerned about adding plugins in Windows Gimp 2.10.

The first thing to note is the location of your Gimp 2.10 profile. 

It is in C:\Users\your-name\Appdata\Roaming\GIMP\2.10\


How to get there? In Windows Explorer type in %appdata% which takes you to a sequence like this:


Plugins like Gmic-gimp which have their own folder. 

Put the whole gmic folder in Gimp plug-ins folder.


Then add the path to Gimp in Edit -> Preferences -> Folders -> plug-ins


Edit: and a one minute video on the subject: https://youtu.be/w4yUPR9_td0

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  Re-editing text boxes
Posted by: Stephen_A - 03-29-2018, 06:41 AM - Forum: General questions - Replies (6)

Have some text in boxes. Wish to edit it. Clicking on the text box simply opens a new text box. Clicking on the layers dialogue appears to do nothing. Read elsewhere that right-clicking on the layers gives you a box in which you can edit. Not so. Can only highlight different areas of the layers dialogue with the UP and DOWN arrow.
Any pointers appreciated. Thanks.

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Question How to automate "Autocrop Image"?
Posted by: drpeppercan - 03-28-2018, 06:53 PM - Forum: General questions - Replies (4)

Every time I reduce the image size, there's some space remaining. Autocrop image removes it. It would be nice if that rather obvious need, could be done automatically.

Is there a way to do this?

Thanks in advance guys [Image: smile.gif]

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  Insert image on screen - Remove fingers
Posted by: AmandineViaud - 03-28-2018, 03:07 PM - Forum: General questions - Replies (3)

Hello everyone,

I successfully inserted a print screen in a tablet screen. The only thing that bothers me are the hands of the person that holds the tablet. I just want the image I inserted to be under the person's hands. How can I do this? Could you pls walk me through the process (I'm completely new to Gimp so I need pretty straight forward/easy directions pls :Smile)

Thank you!

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Brick Export image
Posted by: Nika - 03-28-2018, 01:39 PM - Forum: General questions - Replies (3)


I am having problems when I want to export images to .JPG file (or any other format).

Shouldn't the extension of the file change automatically to the one I choose in the drop-down menu?

The way it is now, I have to manually change the extension every time I want to export the image, and if I want to export it, isn't it logical that I want to change the image type?


[Image: GIMP_Export_image_Extension_problem_cr.png]

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  Python-fu delete selection
Posted by: cfdirt - 03-27-2018, 08:22 PM - Forum: Scripting questions - Replies (2)

This is my first project with python-fu.  I have a routine I need to do on hundreds of images, a few times on each image. 

What I need to do is

1. Select a color using pdb.gimp_image_select_color
2. Delete the contents of that selection

This is the equivalent of

1. Using the Select By Color Tool (Shift O)
2. Hitting the delete button on the keyboard

I can create the selection but I am not sure how to delete the contents within the selection. Can someone steer me in the right direction for what I need to do next or point me towards an example?

Many thanks

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  counting pixels
Posted by: momara - 03-27-2018, 04:50 PM - Forum: General questions - Replies (6)

Total newbie here and using Gimp for scientific purposes.  We are following some past work of scientist testing digital photos to determine vegetation cover (obstruction from view).  Two author groups used Gimp to analyze their photos (pre 2013).  I am unable to recreate their procedures and can't figure out on my own how to count pixels.  I have hundreds of photos of grasses and plants taken with a black backdrop.  What I need to do is find the ratio of black pixels (the black backdrop) to other pixels (plants).  I tried using Threshold to change to BW then using Histogram.  I 've also tried using just Histogram.  I've tried a bunch of different ways to get to a pixel count.  I'm either missing a step or two or am just not understanding the results I'm getting.  HELP!!!  I can send an image if that helps.
Thank you,

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