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CMYK color mode Gimp 2.10
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  GIMP. TIFF. Color profile sRGB IEC61966-2.1
Posted by: Konskoo - 11-01-2020, 07:30 PM - Forum: General questions - Replies (2)

Friend gave me photos. TIFF with LZW compression. Parks, people walking, relaxing. People are doing fitness. I want to crop these TIFFs, resize. Then I will export it to JPEG. Then I will post these JPEGs on my blog.

I run Windows 10 Home 64-bit. GIMP 2.10.

I opening TIFF in GIMP. GIMP says:

The image has an embedded color profile sRGB IEC61966-2.1

Convert the image to the built-in sRGB color profile?

Rendering intent: Relative colorimetric.

Black Point Compensation. Flag is on.

Button Convert. Button Keep.

How do I respond to this GIMP question?

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  Rectangular selection not transforming
Posted by: bradbutcher - 11-01-2020, 06:03 PM - Forum: General questions - Replies (2)





Hi,

Rectangular selections are no longer transforming on GIMP. It was working earlier and now when I press enter the transform isn't applied. I've been tearing my hair out over it all day so any help would be appreciated!

I'm new to gimp so it's probably something really simple! Attached is a link to a video of what's happening!
Thanks

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Photo How to make the text readable?
Posted by: Krikor - 10-31-2020, 04:43 PM - Forum: General questions - Replies (15)

Hi,
I have tried to rescue the text from a dedication made in the frame of a painting.  Zoom
So far my attempts have been unsuccessful, to the point of beginning to believe that it is indeed an impossible task.

As much as possible was insufficient to make the text readable.

Are there any specific techniques for this type of editing? Can you make the text at the bottom right readable?

The image is too big to display here on the forum. Even at Imgur I posted only part of the engraving that contains the dedication.
https://i.imgur.com/3guYk6W.png

Thank you in advance.

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  Effects-Texture-Tile Problem
Posted by: Kamuix - 10-31-2020, 03:46 PM - Forum: General questions - Replies (18)

Hey everyone. Is there a filter setting or a way to Tile like seen in this image?

See attached file

Thanks for any help!



Attached Files Image(s)
   
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  Way to draw a template for copying another region
Posted by: sammyo - 10-30-2020, 05:32 PM - Forum: General questions - Replies (1)

Not quite sure how to google for this. Say an odd shaped region needs to have the background overlayed, like removing a patch. Is there a way to draw the edge of the patch, but copy the edge to the background, then copy the background within that patch?  I guess I can start to see how a sequence of layers and masks would work but it seems like an option I'm just missing and would be really useful.

Thanks

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  converting guides into lines
Posted by: Maximillian - 10-29-2020, 11:47 AM - Forum: General questions - Replies (4)

Hi,
I am a new GIMP 2.10 user and this is my first time on this forum so I hope I have expressed my question clearly. I have about 700 PSD files each of which has a guide/ grid (see the attached screenshot). I would like to turn the guide of each PSD files into a linear feature that can be exported as a JPEG or something similar. Since I have lots of files, a manual solution for each PSD would be very time consuming. I hope to able to do this in GIMP as I don't have Photoshop. Would really appreciate some help with this problem. All best,
Maximillian



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  Indicator
Posted by: rosella - 10-29-2020, 09:04 AM - Forum: General questions - Replies (1)

Hello, I just wanted to know if this is what the indicator of the brush airbrush, smudge, and some more tools supposed to look like this. 

[Image: Screenshot_2020-10-29_at_4.34.39_PM.png]

Also, I can't move the brush tool and some other tools indicator. If anyone know the solutions for this, please inform me. Thank you.

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  Win10 64bit: Gimp 2.10.22 not recognizing Wacom Cintiq 16 (DTK1660K0A)
Posted by: t3h m00kz - 10-29-2020, 04:12 AM - Forum: Installation and usage - Replies (2)

I'm running Windows 10 64-bit with a Wacom Cintiq 16 (DTK1660K0A). Every program so far has worked with the devices as expected.

Gimp 2.8 - current stable, 2.10.22, is not recognizing the device under Edit > Preferences > Input Devices / Input Controllers. "Core Pointer" is the only thing appearing under Devices, and no Wacom devices is appearing under Controllers.

I have attempted:
- Latest Wacom drivers
- Earliest available Wacom drivers
- Device Manager > Wacom input (HID Compliant Mouse) > Properties > Update Driver > From Disk > Select from Menu > changing to "HID Compliant Device"
- Reinstalling Drivers
- Reinstalling Gimp
- Toggling various Tablet options
- Calibrating the Tablet specifically for Gimp
- Resetting Gimp preferences
- Rebooting
- Making sure my machine is turned on / plugged in.

Nothing has worked, even temporarily. Gimp refuses to recognize my tablet.

Switching to Linux is not an acceptable solution.



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  Perspective transform revisited
Posted by: Ottia Tuota - 10-28-2020, 05:11 PM - Forum: Extending the GIMP - Replies (33)

Here is a new plugin to perform Perspective transform (=projective transformation for a mathematician), based on two 4-anchor paths. To get it, go to

http://kmarkku.arkku.net/Miscellaneous_p...aster.html

edit: http://kmarkku.arkku.net/Perspective_tra...aster.html (url changed - rich)

move to the bottom row and click the Download button. You get a .zip file. Unzip it and put the sole file it contains (perspective_transform.py) to your user's plug-ins folder and restart Gimp. The plugin will be in Gimp's menu at Filters > Distorts > Perspective transform > ...

The plugin transforms the active layer. It asks for two paths, Source and Target. Both are supposed to be 4-anchor paths. The transformation will send the anchors of the Source onto the anchors of the Target. So, if you have a picture and in it you have some four specific points A,B,C,D that you would like to move to some other points P,Q,R,S, then:

  1. Create the Source path so that it has A,B,C,D as its anchors. Don't make it closed.
  2. Create the Target path so that it has P,Q,R,S as its anchors. Don't make it closed. Ensure that the ordering of P,Q,R,S in the Target path corresponds to the ordering of A,B,C,D in the Source path (excepting possible reversal).
  3. Make sure that the layer you want to transform is the active one.
  4. Open the plugin's GUI.
  5. If you want to retain the original layer as it is, so that the plugin will work on a copy, click the bottom entry (Keep the original layer?) to set it to Yes.
  6. Run the plugin.
  7. If the plugin runs ok and produces some result but it is somehow wrong, repeat but this time click the entry Use the target reversed?  to Yes.
  8. If still not happy, look at the example case below.
  9. If the result is ok, you may wish to do Image > Fit Canvas to Layers.
Some inputs make the job impossible: the transformation would send some parts of the layer to infinity. This problem is inherent in the Perspective (projective) transformation; infinities do occur, and if they happen to lie in the region of the layer, then nothing can be done. If such happens, the plugin raises an error (an Exception). Your layer may be excessively large; crop it to its essential contents and try again. Or change the Source or Target path a little and try again.

The plugin also contains options to draw two special lines connected with infinities, provided that they intersect the image area. I say nothing about those here. You can just ignore them.

Example: I use the picture by Denzjos, which was what lead to this plugin; see https://www.gimp-forum.net/Thread-fix-distorted-round

   

The following picture tries to show the paths Source (red) and Target (blue) that I used. (The clock is dimmed just to show the paths better)

   

The Source path (red) is chosen from the hours 12,3,6,9 on the dial and left unclosed. The Target path (blue) has its anchors at the corners of a square tilted by 45 degrees. I made it as follows:
  1. Make a square selection.
  2. Do Selection to path. Rename the path to Target.
  3. Dismiss the selection.
  4. Rotate the Target by 45 degrees.
  5. Move and scale the Target so that it is close to the Source. (Not necessary.)
  6. Delete one edge from the Target, so that it is open at the same side as the Source.
Then, when I ran the plugin with these Source and Target, the result was somehow wrong. So I tried again but now using the target reversed. The result was reasonably good:

   


That's that. I attach here also the xcf file in case you wish to look at it more closely:


.xcf   clock.xcf (Size: 1.35 MB / Downloads: 618)

The plugin was quite a rushed job. I mostly just copied pieces of code from an unpublished work. If you have problems with the plugin, please be kind enough to tell me. And you will certainly find points that could be made better. My knowledge about Gimp is rather rudimentary, so please make suggestions.

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  How to actually invert the fuzzy selection?
Posted by: andreim - 10-28-2020, 01:22 PM - Forum: General questions - Replies (9)

Hi. I want to select the opposite of what is currently fuzzy selected. This at first glance would look like invert selection but it it's not. The selection has soft edges and when inverted it selects the remaining unselected pixels. And the selection is hard edged.
Intuitively when I invert selection I expect to select 1-alpha of the already selected pixels, plus  the -- until then -- unselected pixels.

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