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Saving layers in GIMP If you want to build up an image, each time you create a new layer, give it a name and save the file in GIMP's native format, which is.xcf. This will save all the layers and allow you to manipulate the layers at a later date.
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Related Subreddits Vector-based graphic editor 3D modeling, animation, & rendering painting for digital painters digital painting application FOSS 2D Animation Folks who use all the above changing the paradigm FOSS parametrical CAD/CAM Desktop Publishing Other Links of Interest FOSS tool for photographers. Because reorganizing my whole modus operandi in other software is always a pain - and sometimes impossible - I've been trying to get GIMP to work on my Macbook pretty much ever since I got the Mac(about last August). Now that version 2.8 is native I thought things would be a lot better than having to run XQuartz behind, but as it turns out. The software always takes a lot of time loading - more than 15 seconds, usually - and the biggest problem I have is with the lagging.
Because of random halts when running, my curves always end up as a series of straight lines, which is really, really shoddy. And probably not a hardware issue considering I had GIMP running smooth on a 4-year-old low-end lnux laptop before. Is this a 2.8 issue or a 'GIMP running on Mac' issue?
Does anyone have any idea how to avoid this lagging? (Yes, I have Color Management off) To make things clear:, MAJOR EDIT: Known Regressions GIMP 2.8 relies on a newer version of GTK+2 that unfortunately has partially broken support for graphics tablets such as Wacom. If your graphic tablet doesn't work in GIMP 2.8 as it should, we recommend downgrading to 2.6 until we release GIMP 3.0 that relies on GTK+3 which has fully functional support for advanced input devices.
To address the needs to migrate from the old tools presets system to the new one we provide a script in Python. However, the old tools presets are not 100% convertible to the new tool presets. For instance, brush scale from 2.6 can't be converted to brush size in 2.8.' How would I even imagine that? It took me 4 different builds to finally find one that would give me a hint(the supposed Wacom input devices were first greyed out, then wouldn't appear) and now apparently the solution is downgrade and wait.well, better than trial and frustration.
Funny thing, btw? Using Gimp 2.8.4 in XQuartz is actually better than the Native thing. I hope Gimp 3.0 comes out fine. =/. This is NOT a 'GIMP running on Mac' issue. I've got a brand new iMac here low-end and GIMP native launches in 4sec after I click the icon in the dock.
The newest update actually increased brush performance, so there is no latency between drawing and the stroke appearing. Things are generally pretty snappy plugins take a bit to launch but whatever None of these things were an issue on my previous computer 2gb RAM, core 2 duo.
A few suggestions/questions:. Do you have any custom brushes installed? GIMP caches every brush when you launch it, so custom brushes will cause a substantial increase in your launching time. What is the size of the images you work with?
I've experienced lag on 100+layer, 1024x1024 images from time to time. Do you have the same problems with a 640x400 image as you do with a 2560x1600 image?. Is 'number of processors to use' set to a value other than 1?
If so, that might be causing your issues. Do you have similar slowdown issues with other resource-intensive apps garageband? If it's a system-wide issue, check free disk space and make sure all of your RAM is working. Can you tell us the specs of your machine Processor, RAM, free disk space?
If none of that helps, there are a few things you could try:. Backup your settings folder check PreferencesFoldersGradients or something, it's probably stored in /Library/GIMP/2.8 or /Library/Application Support/GIMP/2.8 or something.
Then delete the settings folder and let GIMP launch with default settings and see to waht degree things get better/worse. Use MacPorts/Homebrew to install the X11 version of GIMP and see if it has the same issue. Good luck, hope some of that helped.
If it didn't, and the slowness is GIMP-exclusive and persists with all settings, check with the IRC channel and mailing list and see if they can find the cause of it. EDIT: None of this helped OP, unfortunately. I just installed my GIMP. I have no custom brushes, I'm testing on a newly created image, 640x480. My benchmark is Sketchbook, which I'm using to draw general stuff and sketches, but not the same for my usual work with game sprites and comics(I have some scripts to set up the image for me and I'm too used to the way the Ink goes in GIMP, not to mention selection and stroke dynamics).
And Sketchbook does curves smoothly. GIMP does straight lines connected in random spots where I ran my pen. =/ I'll have to check the processors, but my disk is at least half-empty, and I'm sure this laptop is superior to my previous one, which was actually pretty cheap and I couldn't even play Minecraft on.
I'll get back to you later on this. Thanks a bunch. So, I have 'number of processors to use' set to 2, I have a Core 2 Duo 2.26GHz, 8 GB RAM, and almost no other program running.
This is what I get when drawing random squiggles on GIMP: (no smoothing on top, smoothed on the bottom; none of them did the last curve at the end) This is what I get when drawing random squiggles on SketchBook Express: See the problem? Also happens with a mouse. I get lag with pretty much nothing else, and usually only things I suppose demand a lot of processing and memory, i.e., games. And btw, I can't even save the image straight to PNG.
Oh, the little annoyances. I'll try GIMP 2.6, but the idea of having to run it on top of X11 just irks me. Number of processors should be set to 1. Setting it to 2 will make things slower. Don't ask me why, I don't know why, but that is how GIMP Mac works:P Your lines are sort of choppy, but not incredibly so. Looking at a static image, it seems more likely that the sample rate on your tablet/mouse is bad. I'm not sure if sketchbook is smoothing your lines or not; it might be.
Are you sure that GIMP is being slow? Or is it just not smoothing your lines well enough? You can save straight to PNG. I'll try GIMP 2.6, but the idea of having to run it on top of X11 just irks me.
You can run GIMP 2.8 via Macports + X11, which is what I was suggesting. But I'm not sure that will help.
I think you can still get. Now, after 2 hours installing, the MacPorts GIMP is not working.
Unless it needs more than a minute to open, and that's just ridiculous. Number of processors should be set to 1. Setting it to 2 will make things slower. Don't ask me why, I don't know why, but that is how GIMP Mac works:P Well, crap, and nowhere I found even mentioning that. Let's try once again. Your lines are sort of choppy, but not incredibly so. Looking at a static image, it seems more likely that the sample rate on your tablet/mouse is bad.
I'm not sure if sketchbook is smoothing your lines or not; it might be. Are you sure that GIMP is being slow? Or is it just not smoothing your lines well enough? Yes, GIMP is being slow.
If Sketchbook is smoothing THAT, Sketchbook does magic. This isn't an annoyance, it's a feature.
It is an annoyance because on original GIMP(Linunx/Win) I can just use the save menu to save the files any extension I want. I'm not sure anymore what it is, but I think I've reached some reasonable result. What I have now: a) The lisanet.org build of GIMP 2.8, not the clean one. Not sure if that's supposed to be better or worse, but it seemed better at first.
B) 1 Processor only, as recommended. C) Smooth Stroke option activated, with 100 Quality and arbitrarily large Weight. The curves sure do look smooth. Odd that GIMP wouldn't have that setup as default, or why the old GIMP seemed better but.
I guess there was still stuff to try from my part. Thanks for all the help here.
For several years, GIMP (GNU Image Manipulation Program) has been one of the best free alternatives to commercial image editors like Photoshop and Corel Draw. It's a free and open-source multiplatform application that lets you do almost the same things you would do on a paid software. You can use GIMP to edit images and to create new ones.
It has a brush, pencil, clone stamp, and an airbrush, among other tools. The features in GIMP are almost identical to those of any other image editor: layers, alpha channels, history, selection tools, transformation, masks, blurring, etc. You can also use GIMP to convert an image format, process files by the batch, create vector images, and edit animated graphics. This features can be extended with different plugins (there are more than a hundred). GIMP can work with almost every current image format, such as BMP, GIF, JPEG, MNG, PCX, PNG, PSD, PS, PDF, TIFF, TGA, SVG and XPM.
Its segmented interface can be particularly useful, since it lets you change the layout of the windows at all times, adjusting them to your preference. You can also just use the default system, similar to that of Adobe.