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  Dividing and printing a large image
Posted by: RayArdia - 08-09-2017, 12:16 PM - Forum: Extending the GIMP - Replies (7)

p { margin-bottom: 0.1in; line-height: 120%; }
I am using Gimp 2.8 on an Ubuntu 16.04(linux) OS. I'm fairly familiar with Gimp, although my efforts, especially in the subject area, tend to be a bit 'hit and miss'.

I make mosaics and have need from time to time to re-size fairly small images (usually symbols of one kind or another) and to print at perhaps 400x400mm. Whilst I can tolerate the slightly fuzzy (even using Sinc (Lanczos3)), I really do need to find a way of dividing a large image into smaller, print-sized parts.
I had thought that slice-and-join.scm would do but cannot get it to work. One comment from a Ubuntu forum member was:-

"Actually just very buggy code. It append the Gimp data directory to any directory your give in the parameter dialog. So, when asked to use /tmp, it tries to open /tmp\home/me/Sandbox/Image.jpg.rcm. The file open fails, this isn't checked, and the ensuing write fails (the write:argument 2 must be: output port message, because it tries to write to #f (false))... In addition all the directory names processing uses hard-coded backslashes, so that's a Windows-only script."

Perhaps there's some truth in the above and that my trying to use it within a Linux OS was the main error; the fact is that I wasn't able to use that, so I need to find something else that will do the job - I'm hoping someone can help point me in the right direction.

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  python-fu doesn't work, childprocess doesn't fit
Posted by: gutschy - 08-09-2017, 08:15 AM - Forum: Windows - Replies (5)

Hello to all and greetings from germany,

4 years ago I was using a few python-fu skripts that worked fine on my computer. 3 days ago I wanna use them again and failed. 

Using gimp 2.8.16 on Win10 with 64biit. Using Python 2.7 und Python-Fu Console works fine.

When I started gimp from cmd-console with gimp-2.8.exe --verbose I've got  a mesage about the failing of my scripts.

clipboard: writable pixbuf format: image/tiff
clipboard: writable pixbuf format: image/jpeg
GIMP-Fehler: Unable to run plug-in "zuschneiden_HTML1_hinten.py"

Kindprozess konnte nicht ausgef³hrt werden (No such file or directory)

GIMP-Fehler: Unable to run plug-in "zuschneiden_HTML1.py"

Kindprozess konnte nicht ausgef³hrt werden (No such file or directory)

GIMP-Fehler: Unable to run plug-in "karten_details1_beispiel.py"

Kindprozess konnte nicht ausgef³hrt werden (No such file or directory)

GIMP-Fehler: Unable to run plug-in "karten_details1.py"

Kindprozess konnte nicht ausgef³hrt werden (No such file or directory)
GIMP-Fehler means Gimp-Error and Kinprozess means Childprozess. Anyone with an idea what goes wrong.



using wrong words

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  Help Manual Not Working
Posted by: ozdoug - 08-09-2017, 01:10 AM - Forum: Windows - Replies (2)

Hello People!

I was a GIMPy some years ago & decided to get back into it so I have just installed v2.8.22. I also downloaded & installed what I thought was a user manual that I could access while running GIMP & not online.

The manual file was, "gimp-help-2-2.8.2-en_GB-setup".

....but every time I try to access the manual it tells me it is not installed.......

Any help would be appreciated!   Sad

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  need help with correcting the background
Posted by: Temporalis - 08-09-2017, 12:52 AM - Forum: General questions - Replies (2)


 [Image: smile.gif]

i took tabletop photos for the first time and in the photo below the reflector got into the frame. can anyone please help me correct the mistake because i like the photo? 


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  fuzzy tool select not working
Posted by: siren - 08-08-2017, 07:24 PM - Forum: General questions - Replies (3)

And it is proceeding to drive me up the wall.

Every time I open a new document and draw it's fine, then without touching any of the controls, the fuzzy select tool stops working.
I have tried numerous things such as creating a new document, resetting the controls, checking to see what mode I was on, and so on and so forth. However, my efforts remain fruitless and I'm hoping that someone on here can help me.
If you could that would be greatly appreciated.

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  How can I fix this?
Posted by: blueYOSHI - 08-08-2017, 05:57 PM - Forum: General questions - Replies (3)

Hi, I got a problem with GIMP. First, take a look at these two pictures.
[Image: yAU0DDp.png][Image: SK3ghHi.png]
The first one is super clean, I did that one before some years. The second one looks a bit messy and just bad. I just don't know how to recreate the first one! If you got some ideas how I could do this, please answer. Im sure I didn't do it manually.

How I did this the second time:
I wrote the text with a size of 18px and used the blend tool to color it.
Copied the layer, did "alpha to selection", increased the size of it with "Grow" (listed under "Select") and used the blend tool again.
Redid that for all layers (4 in total).
Used "Scale Image" with "None" as "Interpolation".  (the pic already looked the same before this)

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  Transforming a selection on a layer
Posted by: pdev - 08-07-2017, 10:11 PM - Forum: General questions - Replies (4)

Hi, I'm just switching to GIMP from Photoshop and can't seem to work out how to do something I did quite often in PS.

I had photographed a number of objects and one of them needed to be rotated. In PS I would select the object, copy it to a new layer (Cmd-J on my Mac), select the object on the layer with the Transform tool (Cmd-T) and then rotate it with the curly arrows in the corner.

I've managed to copy a selection to a new layer in GIMP (copy > paste > new layer) but can't work out how to rotate the selection independently of the base layer.

Any help would be greatly appreciated!

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  Skript for mirroring left and right side of portrait photo
Posted by: Juniata - 08-07-2017, 03:35 PM - Forum: Extending the GIMP - Replies (6)

Hi everybody!

I am a total beginner to Script Fu, and am having a hard time finding good documentation. If anybody has some good general advice, it is very much welcome.

But here is my specific problem:

I would like to write a script which lets me automatically create two images out of one portrait picture: One from the left half of the face and its mirror image, one from the right side respectively. It is to show that a face is never completely symmetric.

In order to get familiar with it all, I have written a very humble script, which should create two copies of the image and flip one of them horizontally.

But already I encounter a problem: It seems to safe the pictures and layers and does not renew them if I apply the script to a new image. Only if I restart GIMP, it renews them. Could somebody please tell me, how I delete the buffer or tell it to overwrite the image/drawable?

And if someone could already tell me the names of the procedures to only copy and flip a selected part of an image and to insert it in a defined place of the new drawable, so I can already try a bit. At least I hope that procedures like this exist...

Thank you so much!

Here is my current script:

(define (script-fu-two-faces img drw)
  (let* (
        (drawable-width (car (gimp-drawable-width drw)))
        (halfdrawable-width (* drawable-width 0.5))
        (drawable-height (car (gimp-drawable-height drw)))
        (leftimage (car (gimp-image-new drawable-width drawable-height RGB)))
        (leftlayer (car (gimp-layer-new leftimage drawable-width drawable-height 0 "tfl" 100 0)))
        (rightimage (car (gimp-image-new drawable-width drawable-height RGB)))
        (rightlayer (car (gimp-layer-new rightimage drawable-width drawable-height 0 "tfr" 100 0)))

        (gimp-image-insert-layer leftimage leftlayer 0 0)
        (gimp-drawable-fill leftlayer WHITE-FILL)
        (gimp-display-new leftimage)
        (gimp-image-insert-layer rightimage rightlayer 0 0)
        (gimp-drawable-fill rightlayer WHITE-FILL)
        (gimp-display-new rightimage)

        (gimp-edit-named-copy drw "tobepastedleft")
        (gimp-edit-named-paste leftlayer "tobepastedleft" TRUE)

        (gimp-item-transform-flip drw halfdrawable-width 0 halfdrawable-width drawable-height)

        (gimp-edit-named-copy drw "tobepastedright")
        (gimp-edit-named-paste rightlayer "tobepastedright" TRUE)


(script-fu-register "script-fu-two-faces"
  "Two faces..."
  "Creates an image from left side of the face"
  SF-IMAGE      "Image"             0
  SF-DRAWABLE   "Drawable to apply" 0

(script-fu-menu-register "script-fu-two-faces" "<Image>")

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  How can i make a picture like this?
Posted by: Rollie - 08-06-2017, 11:42 AM - Forum: General questions - Replies (6)

I already have a clothing picture but its the design and lighting around it that i can't seem to create. If anyone has any idea i'd greatly appreciate it.

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Smile Sketch
Posted by: SenlinOS - 08-06-2017, 10:37 AM - Forum: Gallery - Replies (2)

GIMP 2.9.5

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