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How can I transform like that with GIMP? http://gimpchat.com/viewtopic.php?f=8&t=19437 |
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Author: | PixLab [ Tue Jun 08, 2021 9:01 am ] |
Post subject: | How can I transform like that with GIMP? |
GIMP Version: 2.8.14 Operating System: Windows GIMP Experience: New User 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 ![]() ![]() 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? |
Author: | Pocholo [ Tue Jun 08, 2021 10:21 am ] |
Post subject: | Re: How can I transform like that with GIMP? |
You have to use the "Path Tool". ![]() |
Author: | rich2005 [ Tue Jun 08, 2021 11:58 am ] |
Post subject: | Re: How can I transform like that with GIMP? |
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. Attachment: pathblend.jpg [ 66.19 KiB | Viewed 2604 times ] |
Author: | rich2005 [ Tue Jun 08, 2021 3:20 pm ] |
Post subject: | Re: How can I transform like that with GIMP? |
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. Attachment: ofn.jpg [ 92.25 KiB | Viewed 2562 times ] |
Author: | PixLab [ Tue Jun 08, 2021 10:38 pm ] |
Post subject: | Re: How can I transform like that with GIMP? |
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) ![]() ![]() ![]() rich2005 wrote: 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. 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 rich2005 wrote: 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. 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 |
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