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| flickering colors and tools bug |
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Posted by: NightHare - 07-18-2021, 07:40 PM - Forum: General questions
- Replies (3)
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hello everyone
I usually manage to troubleshoot on my own by searching on the internet
but I'm comming here because I really don't know what to do anymore ;-;
gimp sometimes freaks out, switching tools back and forth when (for example) I hit the edges of a toolbox
it started doing this around version 2.8 or 2.6(?)
I used to click on tools to reset the behaviour and go back at drawing
it wasn't something I couldn't work around
but now, it came to a point I absolutely cant draw anymore
I do 2 strokes, and suddenly the brush start flickering between colors and tools
it also fixates on the tool options doing that highlight
as if there's something important for me to check there
I tried:
- uninstalling and reinstalling gimp
- same for the tablet driver
- preferences>tool options>reset saved tool options to default values
- preferences>input devices>reset saved tool options to default values
- turning off my mouse and touchpad in case they were interfering
- deleting the gimp folder in my %appdata% to get rid any 'user profile' info
- and ofc I restarted my pc multiple times while trying all these things..
I tought maybe my tablet died... so I bought a new one which didn't arrived yet..
but then I tried using my friend's tablet to see if the problem would solve- nope! the issue is the same!
I tought maybe it's my pc's issue so I tried installing krita and see if the issue happens there (using my old tablet)... and nope!
I can work on krita just fine!
so I'm considering to abandon Gimp...
but I've grown using only Gimp since 2008 ..it's frustrating..
thank you so much for your time and attention <3<3
(sorry for any spelling mistake, english isn't my first language)
_____
PC and tablet info:
old tablet: Wacom Bamboo CTL-470
new incoming tablet: Wacom One Small
PC: Omen 15-dc
Processor Intel® Core i7-8750H CPU @ 2.20GHz 2.21 GHz
Installed RAM 16.0 GB (15.9 GB usable)
System type 64-bit operating system, x64-based processor
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| Numpy slicing problem |
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Posted by: Zero01 - 07-18-2021, 04:21 PM - Forum: Other graphics software
- Replies (3)
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Code:
import numpy as np
a = np.concatenate((np.linspace(10,200,25),np.geomspace(200,360,25)))
b = np.concatenate((np.linspace(20,-180,25),np.linspace(-180,230,25)))
c = a[0]+(b[0])/np.pi
if c >= 360:
c = 360
d= a[3]+(b[3])/np.pi
if d >= 360:
d = 360
e = np.linspace(c,d,50)
f = open("new.txt","w")
for i in range(50):
f.write("gmic someFilter params: "+str(a[i])+","+str(b[i])+","+str(e[i])+" -o somefiles%04d.file \n" % i)
f.close()
Tryin to get it so that in all 50 outputs to the text file, the value of 'e' is: a + b / pi (or 360 if e >= 360).
First output seems ok i.e.: gmic someFilter params: 10.0,20.0,16.366197723675814 -o somefiles0000.file
but subsequent values are messed up, i.e. the last one: gmic someFilter params: 360.0,230.0,32.15845056908105 -o somefiles0049.file
.. the value of 'e' in this case should be about 82, not 32..
My slicing is probably the issue as I've no experience doing this, any help gratefully received.
cheers!
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| Layer Problem |
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Posted by: WhiskeySal - 07-18-2021, 11:56 AM - Forum: General questions
- Replies (6)
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Okay, basic question. I just got started trying out Gimp and what I'm finding is that when I try to edit something on a higher layer it changes the background image instead of just affecting that layer. What am I doing wrong?
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| batch processing with the fuzzy select tool |
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Posted by: DThompson55 - 07-18-2021, 03:15 AM - Forum: Scripting questions
- Replies (3)
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I'm new to scripting, but I have a programming background, so I think I can do this. I have Python skills.
I have a short movie, which I've exported to 570 individual png files. What I want to do is apply the fuzzy select tool, with a selectivity of 70, smack dab in the center of each png, cut the resulting selection, and save the file somewhere that doesn't overwrite the original.
I thought I might be able to do this using bimp, I've got it running, but it doesn't seem to support the gimp_image_select_contiguous_color function that I would need to do this. Maybe, or maybe I'm looking at it wrong.
When I start googling gimp scripting I find posts going back to the last century. I don't know what the best current methodology is, nor how to get started? I don't want to waste time reading obsolete documentation or approaches to the problem. So I thought i'd ask here.
I'm running on MacOS Big Sur running GIMP 2.10
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| Liquify - Face |
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Posted by: meetdilip - 07-17-2021, 11:56 AM - Forum: General questions
- Replies (2)
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I saw a very interesting video using PS where there is a built-in effect called Liquify which allows Face deformation in a very interesting way. The video is from Pixavu ( something like that ) and was talking about making caricatures out of photos. This particular plugin can bulge or make the eyes looks big, adjust our mouth, nose etc in a way to help in process.
The video says that this feature is CC 2015 and later. Not sure whether GIMP 2.10 has anything like that. Not complaining, only checking. Thanks.
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| Some webp alternatives |
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Posted by: rich2005 - 07-15-2021, 02:59 PM - Forum: Other graphics software
- Replies (1)
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The Gimp webp plugin is very adequate. You can export your image and make animations easily although sometimes a bit slow. This is about some command line (CL) programs that might come in useful as alternatives.
The webp format does come from Google, their official offerings are here: https://developers.google.com/speed/webp/download
The download provides utilities cwebp: encoding tool / dwebp: decoding tool / gif2webp: gif conversion tool / vwebp: webp viewer / webpmux: create and extract anmations I have to confess that the only one I use regularly is the viewer, vwebp
ImageMagick v.7 (IM) supports webp. There is a page with all the details here: https://imagemagick.org/script/webp.php Converting an image to webp is as simple as;
Code:
magick filename.ext -quality 50 filename.webp
What is the advantage over Gimp ? Easy to batch convert with IM
Where it might come in useful is with simple animations, You can string several images together to make an animation with variable timings.
Code:
magick -delay 100 fileA.ext -delay 200 fileB.ext -delay -delay 50 fileC.ext -quality 50 animated.webp
You need to experiment but a low quality settting can provide a smaller filesize than the comparible animated gif, with equal quality and no 256 colour limitations.
A very simple example:
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