Re: [Gimp-user] Automate Creation of Center Guides

[akovia via gimp-user-list]

Here is an old script I use for just this. I created a shortcut to drop 
crosshairs whenever I need them. I like it because there are no menus or 
options, just hit the shortcut and it's done.

https://www.dropbox.com/s/7axl454tbx44i4k/Gregs%20Crosshairs.scm?dl=1

For more complicated guides, I use either the ofn-guides like rich posted, or 
Arakne Guide Lab. 

http://www.arakne.es/en/dessign/gimp-guideslab-edit-guides-numerically/


On Tue, Jul 24, 2018, at 1:59 PM, Trev81 wrote:
> Hey guys!
> 
> I'm using GIMP 2.10, and I find that a very common thing I do when I work in
> GIMP is creating vertical and horizontal percentage guides at 50%. I feel like
> there has to be a way to automate this by scripting, but I'm not entirely sure
> how to go about it. I DID find a couple links to old plugins that would work
> perfectly, but unfortunately all the links I've found so far have been dead. 
> Can
> anyone point me in the right direction for some plugins that will do this? Or
> some resources to script it myself? Thanks!
> 
> -- 
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Re: [Gimp-user] Resynthesizer plugin download link not working

[Bob Long]

rich404 wrote on 24/07/18 22:08:
> The registry.gimp.org site has finally closed.

Why is it so?

Is there to be a replacement? Were the plugins too old or broken anyway?

(I see https://github.com/pixlsus/registry.gimp.org_static has a copy of
the site.)

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Re: [Gimp-user] file conversion.

[Liam R E Quin]

On Sat, 2018-07-21 at 08:56 +, Hans Monsma via gimp-user-list
wrote:
> Hail the reader
> J have 2 requirements
> 
>   1.  To convert a normal jpeg to a black and white pic

This is easy. You can use gimp, or most Linux distributions include
ImageMagick and also the netpbm library of commands.

>   2.  To convert a raster to a vector.

This is harder and depends on the particular raster image and the
nature of the vecor desired. Inkscape includes a module to try to trace
images into vectors - actually into SVG paths - and you could try that.
it uses "potrace", again packaged for most GNU/Linux™ systems.

But without seeing the image it's impossible to tell for sure. For
example, if there's pictures of pages and pages of text that you want
converted to computer text, you need an optical character recognition
(OCR) program.

Liam (slave ankh)

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[Gimp-user] Automate Creation of Center Guides

[rich404]

>Hey guys!
>
>I'm using GIMP 2.10, and I find that a very common thing I do when I
>work in GIMP is creating vertical and horizontal percentage guides at
>50%. I feel like there has to be a way to automate this by scripting,
>but I'm not entirely sure how to go about it. I DID find a couple
>links to old plugins that would work perfectly, but unfortunately all
>the links I've found so far have been dead. Can anyone point me in the
>right direction for some plugins that will do this? Or some resources
>to script it myself? Thanks!

You could try this one guides-grid.scm . I've used it for years, works Gimp 2.8
& 2.10 / linux / win

Sets guides by number or pixels (no percentages) so 2x2 = centerlines. file
attached.

or somewhat more complicated, a python plugin ofn-preset-guides.py from

https://sourceforge.net/projects/gimp-tools/files/scripts/  about 24 down from
the top. Instructions are in the zip.

Attachments:
* http://www.gimpusers.com/system/attachments/986/original/guides-grid.scm

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[Gimp-user] file conversion.

[Hans Monsma via gimp-user-list]

Hail the reader
J have 2 requirements

  1.  To convert a normal jpeg to a black and white pic
  2.  To convert a raster to a vector.
Please tell if this can be done, and if so how.
Thank you for the potential help.
Hans

Sent from Mail for Windows 10

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[Gimp-user] Automate Creation of Center Guides

[Trev81]

Hey guys!

I'm using GIMP 2.10, and I find that a very common thing I do when I work in
GIMP is creating vertical and horizontal percentage guides at 50%. I feel like
there has to be a way to automate this by scripting, but I'm not entirely sure
how to go about it. I DID find a couple links to old plugins that would work
perfectly, but unfortunately all the links I've found so far have been dead. Can
anyone point me in the right direction for some plugins that will do this? Or
some resources to script it myself? Thanks!

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[Gimp-user] Automate Creation of Center Guides

[Trev81]

>You could try this one guides-grid.scm . I've used it for years, works
>Gimp 2.8 & 2.10 / linux / win
>
>Sets guides by number or pixels (no percentages) so 2x2 = centerlines.
>file attached.
>
>or somewhat more complicated, a python plugin ofn-preset-guides.py
>from
>
>https://sourceforge.net/projects/gimp-tools/files/scripts/  about 24
>down from the top. Instructions are in the zip.

PERFECT! That file you attached was exactly the kinda thing I was looking for.
Thank you so much!

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[Gimp-user] Resynthesizer plugin download link not working

[rich404]

>I am trying to install the Resynthesizer plugin for GiMP but the
>website for the download says that "This site can't be reached". How
>do I fix this?

The registry.gimp.org site has finally closed.

The (ancient ver.1) resynthesizer plugin from there did work anyway, you need a
slightly updated Windows version.

Go here and check the details.

https://www.gimp-forum.net/Thread-Resynthesizer-heal-selection-plugins-for-Windows

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[Gimp-user] Resynthesizer plugin download link not working

[RoadToZion]

I am trying to install the Resynthesizer plugin for GiMP but the website for the
download says that "This site can't be reached". How do I fix this?

Attachments:
* http://www.gimpusers.com/system/attachments/985/original/Capture1.PNG

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[Gimp-user] Image Crop

[John333]

How can I crop bottom side of the image like in the example? Thanks

Attachments:
* http://www.gimpusers.com/system/attachments/984/original/image-red.jpg

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[Gimp-user] Image Crop

[rich404]

>How can I crop bottom side of the image like in the example? Thanks

What do you mean by 'crop' Cropping is cutting down the size of the image. 

Use the crop tool: https://docs.gimp.org/en/gimp-tool-crop.html

or do you mean something else like removing the white section of the image?

or maybe creating that curved edge on some other image.

rich: www.gimp-forum.net

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[Gimp-user] Extract photos from scan

[rich404]

>OS is linux
>For me it doesn't matter if ImageMagick is the right tool for this
>job. And
>one more loop in a bash script should be no problem. 
>
>So the tasks the script should manage is to detect those in itself
>always
>rectangular pictures ( but not necessarily rectangular in relation to
>the
>A4-sheet). I think there ist always a remarkable contrast line between
>the photograpy and the white background
>
>Then it should extract / copy those found images into seperate files
>
>TIA

Have a look at this page for the script multicrop

http://www.fmwconcepts.com/imagemagick/multicrop/index.php

Any problems you can ask Fred directly on the IM forum 

https://www.imagemagick.org/discourse-server users section

rich: www.gimp-forum.net

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[Gimp-user] wave tool problem

[xx_sareis]

hi All

so when i export a jpeg or a png image that been wave and it stay the same i
would like some help thank you

Attachments:
* http://www.gimpusers.com/system/attachments/983/original/Screenshot_144.png

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[Gimp-user] Extract photos from scan

[bunnyflip]

I have about 200 scans of old black-and-white photos. There were always 4 photos
glued on a white A4 paper looking something like this:


|   |
|-- |
|   |   ||  |   |
|   |   ||  |   |
|   |   ||  |   |
|-- |
|   |
|-- |
|   |   ||  |   |
|   |   ||  |   |
|   |   ||  |   |
|   |   ||  |   |
|-- |
|   |


What ist the best most automated way to extract those 4  photos as single
images?

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[Gimp-user] Recreate all previews in History.

[AndiJF]

I can't believe this question hasn't been addressed before, but a forum search
doesn't seem to find it. My apologies if this is the nth time.

In the Document History window in GIMP, is there a way to Recreate (not Reload)
all preview thumbnail images?

Andi.

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[Gimp-user] Extract photos from scan

[bunnyflip]

> Mainly, what is your operating system?

OS is linux

> For linux (and maybe OSX) not Gimp but an ImageMagick bash script
> There is a ready made one, although that would have to be wrapped up
> in another to cycle through the 200 scans.

For me it doesn't matter if ImageMagick is the right tool for this job. And 
one more loop in a bash script should be no problem. 

So the tasks the script should manage is to detect those in itself always 
rectangular pictures ( but not necessarily rectangular in relation to the 
A4-sheet). I think there ist always a remarkable contrast line between 
the photograpy and the white background

Then it should extract / copy those found images into seperate files

TIA

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[Gimp-user] Extract photos from scan

[rich404]

>I have about 200 scans of old black-and-white photos. There were
>always 4 photos glued on a white A4 paper looking something like this:
>
>
>|   |
>|-- |
>|   |   ||  |   |
>|   |   ||  |   |
>|   |   ||  |   |
>|-- |
>|   |
>|-- |
>|   |   ||  |   |
>|   |   ||  |   |
>|   |   ||  |   |
>|   |   ||  |   |
>|-- |
>|   |
>
>
>What ist the best most automated way to extract those 4  photos as
>single images?

More information required. Mainly, what is your operating system?

For linux (and maybe OSX) not Gimp but an ImageMagick bash script There is a
ready made one, although that would have to be wrapped up in another to cycle
through the 200 scans.

For Windows There is an old script, DivideScannedImages.scm, with a batch
function but it will not work with Gimp 2.10 (very flaky with Gimp 2.8) The
solution is temporarily install Gimp 2.6 just for the 200 scans.

Let me know if you want to pursue either of those.

rich: www.gimp-forum.net

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