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How to turn a circular image into a straight line


Zneggalz

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Hey, I'm trying to see what I can use to take an image that is a circle or loop, and straighten it into a line. I've looked around on here for anything, but haven't had any luck so far. Any ideas, or is what I'm trying to do not possible/complicated/<insert verbiage here I can't think of at the moment>? Uploaded image I'm trying to manipulate for visual necessity as I know I can be confusing when I try to explain something, even IRL... <facepalm x1000>

Circle to (attempt) to straighten.png

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I think there is a plugin called Polar to Rect. Check the plugin forum. 
 

EDIT: Sorry, the plugin is no longer working...

 

https://forums.getpaint.net/topic/8677-illnab1024s-plugins-v11/

 

Try this one:

 

https://forums.getpaint.net/topic/9364-polar-transformations-plugin-ymd100718/

 

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Hadn't thought of that- tried since I had it in the plugin pack already, and it's a line...

 

 

but still wavy. 

 

 

So now I'm stuck again on how to straighten the resulting wave...

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This is as straight as I could get it with shape 3D.  Delete the black background first, then use AA's Assistant.
 

SXc8kVt.png

            < click for larger >

 

Then you can cut off the straight bit afterwards 😄

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1. Run Polar Transformation (Angle - 60, Scale 200).

 

2. Use Paint bucket from the Tool Panel (color Black) to "restore" the black background.

 

3. Run Liquify from @pyrochild's plugin pack. Make Size about 150 and straighten the line manually, it is easy and takes a few seconds.

 

EIV16tH.png

 

Edited by Vagabondi
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