GIMP Version: 2.8.14
Operating System: Windows
GIMP Experience: New User

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I need to torsion ribbons like fusili pasta, tortileni pasta, torsades pasta, or like a wrapped candy...
I did not find a way to do it in GIMP, but I want to do it in GIMP (I tried everything in G'MIC and nope... no can do)

Images below should be pretty explicit

Made with Krita's mesh tool


Result


None of the transform tools in GIMP does the job,



and when I cross the 2 extreme points image just disappear and tab say "Invalid transform" (upper right corner)



When I try with the "Curve Bend..."



Result:



Which is not what I want...

Any idea?
How can I do this kind of transformation like in Krita?
may be a plugin for that?

You have to use the "Path Tool".

Maybe a starting point, but 3 paths and 2 renders using RobA's path blend RMA_path_blend.scm from http://www.silent9.com/incoming/scripts/

One render on top of the other. The fold in the middle is a problem.

Another try:

Plugins ofn-path-inbetweener.py and ofn-stroke-fill-paths.py both from http://sourceforge.net/projects/gimp-pa ... s/scripts/

Make a lot of intermediate paths from a "crossing" pair
Use the stroke-fill-paths and stroke all the paths with a gradient.

My very bad! I'm bad to explain
I did draw quickly a gradient to show the torsion, but it's a picture I would like to torsion in GIMP (stretched pixel, scarf, isolated object like a road)
Something like those (it's three very quickly made examples)









Indeed it's an excellent starting point!
It does not do what I actually need, but I can tell that I'll take a deep look into it as it surely is useful in a way or another



I did read that you do need the same number of nodes between the two paths before to generate the in between, Is it still mandatory?
The effect is nice, though, I like it!

In all cases Thanks a lot rich2005, your posts are very useful.
And again, sorry for my bad explanations