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  About compressing digital images for storage
Posted by: Stephen Liu - 06-13-2022, 07:18 AM - Forum: General questions - Replies (7)

Hi all

I'm going to scan about 1,000 photos to digital images.  On testing I found the size of each digital image is about 2.0MB.  

I can compress its size to about half, 1.1MB on GIMP;
File -> Export As -> Select File Type (By Extension)
file type - jpg
-> Export
Export Image as JPEG
Quality --> 85

The final compressed size of the digital image = 1.1MB

Would the compressed image files affect their future use?  I won't print them but use them on digital album, digital slideshow, posting on websites etc.

Please advice.

Besides I'll further compress and archive all digital files running "gzip"

Thanks

Regards

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  Creating a middle path from a irregular selection
Posted by: DiceMan321 - 06-12-2022, 07:06 PM - Forum: General questions - Replies (2)

Hello!
I got myself in a pickle so large than I proceed to create an account and write this post on this forum. I'm trying to modify rivers in a map that I'm creating. 
Here's one of the rivers: 
https://imgur.com/a/C5I4Inz 
I came across this post, whos OP got a similiar problem: 
https://www.gimp-forum.net/Thread-Creati...-selection
Although the answers were nearly at home of what I need, unfortunately, because of the shape of the rivers I couldn't use answer provided in that post. 
That's why I'm asking. Is there a way to create a path going thru the center of the rivers? 
PS: sorry for any spelling errors, English is not my first language and I wrote this post in a hurry. 
Thanks in advance for any answers!

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  Using Logo mockup in GIMP
Posted by: meetdilip - 06-12-2022, 11:49 AM - Forum: General questions - Replies (13)

Last day to showcase one of the logos I made, I downloaded a PSD from Freepik and tried to use it through GIMP.

I think the process is as simple as adding the logo somewhere. But I am not sure how to do that properly using the GIMP dev version.


https://www.freepik.com/free-psd/modern-...848888.htm

The above is the link to the PSD I tried to use. Whatever I try to do, the logo never gets " seated " properly in the property.


I don't mind this one either

https://www.freepik.com/free-psd/station...694033.htm

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  Softproofing in Gimp
Posted by: Ken Hough - 06-12-2022, 11:13 AM - Forum: General questions - Replies (3)

I'm trying to figure out how to apply soft proofing in Gimp.

I use the following:

Operating system is Debian Bullseye
Gimp is 2.10.22

My system has been colour corrected using a Spyder5 and DisplayCalc, and applied system wide using xcalib. My monitor is a Dell U2412M ultrasharp.  Colour correction provides only a minor change in appearance.
My printer is an Epson XP960 and this works well via Gimp Print and also via Gimp gutenprint. Printed colours are reasonably close to the screen images, but I wish to explore the Gimp softproof option.

How should I do this?

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  How do I change the background color?
Posted by: jayhawk238 - 06-11-2022, 08:11 PM - Forum: General questions - Replies (2)

How do I change the background color from black to white in Gimp 2.10?

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  gimp problem with yellow thing
Posted by: freeve4h - 06-11-2022, 12:05 AM - Forum: General questions - Replies (3)

hi, im new to gimp.
When using gimp i ran into a problem where a yellow square appeared and i could not work around it. i found this thread that told me to uncheck the "Show layer boundary" but after doing that i still could not work around where the yellow square was. i have no idea how to make it so that i can work around it.
is there a way to get around this?

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  Re: batch processing on bulk layer
Posted by: Stephen Liu - 06-10-2022, 02:56 AM - Forum: General questions - Replies (14)

Hi all,

I expect performing bulk/batch editing a group of negative-images (say for example 40 negative-images) running following commands on GIMP
Colors -> Auto -> White Balance
and then
Colors -> Linear Invert

A folk on another thread advised me to do it through layer;
1. Create a new layer
2. Copy 40 negative-images on new layer
3. Perform editing one negative-image, then the rest negative-images would be automatically edited simultaneously.

I have 2 GIMP versions:-
GIMP 2.10.18
Ubuntu 20.04 desktop
G'MIC-Qt (Filter plugin)
Goat-Exercise

GIMP 2.10.30
Ubuntu 22.04 desktop VM (VirtualBox)
Python-Fu (Filter plugin)
Scipt-Fu

I have no previous experience on this technique and on making some search online I found following threads;

Bulk layer edits with GIMP
https://astroroad.com.au/processing/bulk...with-gimp/

GIMP batch processing
https://www.educba.com/gimp-batch-processing/

GIMP Batch Mode (it needs a script)
https://www.gimp.org/tutorials/Basic_Batch/

HOW TO BATCH EDIT PHOTOS USING GIMP AND BIMP (+ HOW TO INSTALL)
https://daviesmediadesign.com/project/ho...o-install/

BIMP. Batch Image Manipulation Plugin for GIMP.
Addicted to GIMP?
https://alessandrofrancesconi.it/projects/bimp/
BIMP 2.6 (download from source)
https://github.com/alessandrofrancesconi...s/tag/v2.6

Please advise which document/thread shall I follow?

Thanks

Regards

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  Flat mosaic (zero height)
Posted by: gimpoid - 06-09-2022, 11:28 AM - Forum: General questions - Replies (11)

Hello!

is it somehow possible to make a mosaic that is completely flat, ie has zero height,
or: zero width bevel around each tile? I have seen posts here and there asking
for this but can't figure out if it has been somehow achieved or not...

thnx

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  Images broken into pieces
Posted by: Rajesh Chandra - 06-09-2022, 08:25 AM - Forum: General questions - Replies (4)

Hello Everyone,

I am Rajesh from India. I am a beginner in the field of image editing. I was searching the internet for cool GIMP effects and I came across this one (image attached).

Can anybody please tell me how this effect (image attached) is achieved. It will be of a great help if a link to the detailed tutorial on this one is given.

Please help.

Thanking you all in advance.



Attached Files Thumbnail(s)
   
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  Ubuntu 22.04 adding gimp-python support
Posted by: rich2005 - 06-08-2022, 06:51 PM - Forum: Linux and other Unixen - No Replies

Moved on to Ubuntu 22.04 (or one of the spin-offs) ? Then installed Gimp only to find your python plugins no longer work. One option is use a Gimp flatpak, although it is sandboxed which has some drawbacks. 

This is about using the regular Gimp installation.  I found the old packages to install gimp-python had too many incompatibilities, too many 'broken' to remove.

Fortunately there is a linux 'appimage' that you can use to start a regular Gimp 2.10 and add python support. 

The appimage comes from here:
https://github.com/TasMania17/Gimp-Appimages-Made-From-Debs/releases/tag/Gimp-Python2-AppImages-for-Ubuntu.
https://github.com/TasMania17/Gimp-Appim...-for-Linux

(edit: For 'buntu 22.04 there is a bit of a twist, it requires the application 'fuse' which is deprecated, no longer supported. You can install this which removes the installed fuse3, but it might be better to keep that newer version.)
No longer needed if you use the appimage launcher

So the installation procedure goes:

Install Gimp 2.10

Code:
sudo apt install gimp

Install python 2.7
Code:
sudo apt install python2

Put the appimage in its own folder, make sure it is executable, and from that folder unpack it.
Code:
./gimp-mathmap-22-04jammy.AppImage --appimage-extract
 

That creates a folder full of files squashfs-root and in there is a file AppRun which starts Gimp and adds python support.

Easy Wink This the inevitable video demo: https://youtu.be/WyIe_lMJo6Q

for some reason I deleted this ?

An extra: A regular Ubuntu being Gnome DE does not spoil the user with utilities. Nothing easy to create a launcher or .desktop file. There is the alacarte package available. In true Ubuntu style it is broken, so attached is a little desktop-file-creator. Unzip it and run it.



Attached Files
.zip   desktop-files-creator.zip (Size: 15.4 KB / Downloads: 601)
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