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 Post subject: weird lines with selection inversion
PostPosted: Thu Apr 11, 2019 8:33 am  (#1) 
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Posts: 1792
Location: France
GIMP Version: 2.10.9
Operating System: Windows
GIMP Experience: New User



:wvy
When I bend an object with the path tool, then I make "selection from the path" and I invert the selection to remove it, it happens that I see lines like these:
Image
So to recover my cut object, instead of inverting the selection, I have to do "Ctrl X" and "Ctrl V".
Why are these weird lines sometimes?

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Les parfums, les couleurs et les sons se répondent.Baudelaire (Les fleurs du mal)
2.10.14 (Samj),2.10.21 (Samj) and 2.10.23(Samj) OS Windows 10 Home 64 bits


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 Post subject: Re: weird lines with selection inversion
PostPosted: Thu Apr 11, 2019 9:10 am  (#2) 
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Posts: 2424
Can you describe how you are bending an object (??? Gimp does not use objects) using the path tool?

It would be best if you posted a Gimp .xcf image with all paths and selections showing the problem. Sort of looks like you have shredded the image into strips? I do not know?

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 Post subject: Re: weird lines with selection inversion
PostPosted: Thu Apr 11, 2019 9:56 am  (#3) 
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rich2005 :wvy
I did not keep the xcf file after cutting out, but as I had exported the path, I started again from the original image and I did not have these lines. Maybe a bug in my Gimp because I already had that the day before yesterday.

Edit: I add that the cut-out object was not in strips ... :)

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Les parfums, les couleurs et les sons se répondent.Baudelaire (Les fleurs du mal)
2.10.14 (Samj),2.10.21 (Samj) and 2.10.23(Samj) OS Windows 10 Home 64 bits


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 Post subject: Re: weird lines with selection inversion
PostPosted: Wed May 15, 2019 2:03 pm  (#4) 
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Posts: 25
Hi, When i make a selection then invert it i get the same thing, sometimes the screen shows no selection sometimes random lines like yours, I've just updated everything i can & reloaded Gimp 2.10.10 ?


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 Post subject: Re: weird lines with selection inversion
PostPosted: Wed May 15, 2019 2:23 pm  (#5) 
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Posts: 2424
Try Edit -> Preferences -> System Resources

Under Hardware Acceleration disable Use OpenCL

Attachment:
opencl.jpg
opencl.jpg [ 80.8 KiB | Viewed 2262 times ]


Restart Gimp, see if it makes a differnce.

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 Post subject: Re: weird lines with selection inversion
PostPosted: Wed May 15, 2019 2:34 pm  (#6) 
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Thanks rich2005, Yep that seemed to work


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