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Blur with better control over the curve? |
Posted by: Asterra - 12-17-2021, 12:43 AM - Forum: General questions
- Replies (1)
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Not sure what terminology to use. The Gaussian blur by default is applying a gentle bell curve to the blur, so that it tapers off more and more gradually as the value approaches 0% (or 100%). In the end, the blur winds up extending extremely far—much further than the actual limit suggested by the specified radius, for example.
I'm hoping there's a way to tighten that curve. Make it less of a bell. Ideally, the ability to directly program the curve would be nice.
Edit: Since it's on-topic, some convenient means of forcing the blur to affect all four channels (rather than literally only alpha) would also be nice.
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The eraser only erases one layer of contast |
Posted by: calixtus06 - 12-16-2021, 07:15 PM - Forum: General questions
- Replies (3)
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Hello I am new on this forum.
I'm used to using gimp ( 2.10) with linux and here appears a problem that I can't solve on one of my computers: when I use the eraser it erases the contrast of the image and the image gets lighter. Usually I have either the image behind or the background appearing depending on whether I have added an alpha layer or not.
thanks for your help!
Nico ( france)
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System cache filling up with Gimp AppImage |
Posted by: CtrlAltDel - 12-13-2021, 09:49 AM - Forum: General questions
- Replies (5)
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I'm using the latest Gimp AppImage available, 2.10.25, on Linux Mint. I have lately starting working with some very large files and will have 7 or 8 of them open sometimes in Gimp. After a while, my cache will max out and start swapping to the SSD. There is 16GB of RAM in the system and I have swappiness set to 20, but have tried setting it to 10 also and there doesn't seem to be that much difference as the same thing happens after a while. Most of the time it happens after multiple usages of Gimp; it just seems to build up after awhile.
The cache never seems to be reclaimed, except with a restart of the computer. Closing Gimp has no effect.
I had the VFS Cache set to 50, then tried 60, then 75 and finally just deleted the line in etc/sysctl.conf altogether and let it go back to its default pressure of 100, as no setting really seemed to be better than any other one as far as releasing cache back into usage.
No Gimp preferences that might seemingly affect this have been changed and are all standard.
With the AppImage, is there a folder where I can manually clean the cache out after finishing with Gimp? I realize that there probably isn't, as I'm talking about RAM, but maybe someone has some sort of suggestion or thought about what may be happening or what I could do different.
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Bucket Fill circle-slash, cannot overcome |
Posted by: cab - 12-13-2021, 03:48 AM - Forum: General questions
- Replies (2)
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Win10, Gimp 2.10, newly installed. What I did: I opened an image file in Gimp, which is a business card and I wish to change the color of the yellow text line. I selected the line using Select->(By Color). The text is correctly shown selected. Next choose BucketFill->(Fill similar colors). But the icon shows the circle-slash icon and has no effect.
- I have pored over many internet advice columns. Most of them say I need to do Layer->(New from Visible). When I do this I see another layer on the right labeled Visible, which looks just like the basic layer. But this is no help. There is other advice--maybe something is locked, etc. I have tried some of them but since this is a brand new project, I
doubt if project history is to blame.
- I can create a rectangular region and bucket-fill that very readily. Select-All can be filled. I suppose my image is technically the background and the text is not really selected. But I am sadly missing the GIMP view of my project.
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How to make quality mini images for epub publishing? |
Posted by: MichelCrokinole - 12-13-2021, 01:52 AM - Forum: General questions
- Replies (2)
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Hi everyone,
This is my first question on this forum.
I'm writing an illustrated text book. Most images are 500 x 500 pixels and they look great. Now I want to make two images about the size of a standard computer desktop icon. I know, not a great reference.
I tried a 500 x 500 pixel image and resized it to 128 x 128 pixels.
I tried making the image 128 x 128 pixels right from the start.
The results are both the same. When I insert the image in a MS Word document , this image is blurry. When I convert the MS Word document to epub or even PDF, the image is even more blurry.
Can anyone tell me what to do?
Thank you
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