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Monday, June 30. 2008Doc's Computin' Tips: the GIMP graphics studio In the comments to Saturday's lesson on images, a couple of doods mentioned the free GIMP program. From what I can tell, GIMP stands for "Gastro-Intestinal Monetary Paralysis", or the feeling you get in the pit of your stomach when you see the $649 price tag for Photoshop. Actually, it stands for GNU Image Manipulation Program, with GNU being the open-source UNIX-like operating system developed back in the 80's. It and SourceForge have produced a number of excellent free programs over the years and, of the sixty-odd free video programs I have on my own site, probably half of them are GNU or SourceForge. Bottom Line: While a little odd, GIMP is an excellent graphics program and does all the 'trick' things, like smudging and freehand selection, that big bad Photoshop does. Download it here. Click on 'Downloads' then grab just the program, don't bother with the 'Installer'. Don't panic when it takes forever to run the first time. On the other hand, you'll probably have a heart attack the first time it opens, so perhaps you'd better take a sec and... The bad news is that the program is broken into THREE separate windows; one for the tool bar, one for the options, and one for the picture you're working on. Why the fruitcake who designed this thing thought that was going to be easier to use than one single screen is beyond me. I pored through the menus and preferences looking for some kind of "make it like a normal program" setting but never found anything. You can make the tool bar as thin as possible and push it against the left side, ditto the 'options' window along the bottom, and they'll stay in place when you re-open it. The picture window will open centered on the screen. What makes it a particular hassle to work with is that Windows views them as separate programs (even taking up three spaces on the Task Bar), so you can't flip between GIMP and other programs with Alt-Tab. You actually have to painfully reach over and manually flip the three windows back to the front by clicking on their Task Bar icons with the mouse. Obviously, ergonomics and economy of movement weren't on the forefront of the developer's mind. With that said, it works a peach. The smudge tool, correctly, has a percentage slider so you can adjust the smudge, the 'expand canvas' feature, while a little odd, works perfectly, and various things like cropping and resizing are just a matter of learning where they are on the menu. Most of the nomenclature for the tools and menus is standard graphspeak. One thing I was hoping it would do (that Photoshop can't) is crop a freehand selection, but it just crops it to a rectangle as Photoshop does. You can, however (as in Photoshop), do a quick Ctrl-C, Ctrl-N, Ctrl-V to pop open a new canvas and slap the selection onto a transparent background and work with it from there. On a personal note, although I own Photoshop, I'd never pay that kind of money for it. I own an ancient version (5.5) that I bought through a school discount for $99 when I was teaching at a computer college years ago. The money Adobe wants for it these days is truly outrageous, and I don't mean to sound glib when I toss the word around like 'everybody has it'. Most everybody I know is using Paint Shop Pro. I didn't spend a lot of time with the Filters but some of them are pretty wild. I'd say they're far better than your average graphics program (including Photoshop) but not on the same level as a dedicated program like Eye Candy. Apart from the goofy 3-window routine, the only complaint I've got is while you can left-click to magnify an area of the screen like normal, you're supposed to be able to use the mouse's right button to back up. You can use the - key on the keyboard to back up, but if you want to use the + right next to it to zoom back in, you actually have to hit the Shift key to make it an official +, rather than the = sign like that makes sense. And a few tips:
The options box at the bottom is where the program really shines. One thing that's always been annoying about Photoshop is the way it breaks its various options into bunches of little boxes. This customizable single-box approach that GIMP takes is really the better way to do it. I'll immediately update this post if anyone in the comments has any suggestions, additions or corrections. Like, uh, where to find the "Please make me look like a normal program" setting. Even with the 3-window problem, though, it's still an exceptional deal even at twice the price!
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I really like the 3 window look. It reminds my of the days 20 years ago, the really expensive UNIX workstation that were dedicated to graphics. $100,000 each for the machine. I see the 3 window look and feel and remember that real engineers used UNIX. It's emotional. I betray my age. I remember a time before Microsoft Windows.
GNU being the open-source UNIX-like operating system developed back in the 80's.
Actually, GNU made their start with a C compiler. I remember sending off for the tape, getting it in early December, and spending Christmas vacation making it run on a VAX under VMS. Getting UNIX stream files working correctly on the VAX wasn't easy, as VMS was designed around FORTRAN and record files and the DEC C library was somewhat deficient. Some of the filters in this thing are a scream. I was going through them last night and, for a freebie, a few of them are very impressive. The "lens flare" almost has the same quality as a commercial Flash plugin and other effects are equally impressive.
Chuck - your mention of "tape" brought back a memory I hadn't thought of in years. Do you know how I used to back up my BBS? VCR tape. Sounds crazy, but it worked. Don't remember the details, but I used it for a couple of years until I bought a real tape backup unit. Tape? Geh! Sorry, but I had GIMP a few years ago and found it to be lame. I am currently using Photoshop 7 for my digital compositions. Photoshop 7 is also the last edition you don't need permissions to install and use.
Well, I'd argue with the word "lame". Remember, it's free, and the fact that it can do smudge, variable outlines, layers, and all the rest is quite something -- for free. See "MS Paint" for reference.
On the other hand, the 3-window thing is beyond bizarre and if I'm right and you can't tilt objects, that's a serious, serious minus. How about "leaves us wanting"? :) Sorry, but I had GIMP a few years ago and found it to be lame.
I don't do any photo manipulation so have nothing specific to add except that open source projects, if they last, are constantly improving and what is lacking one year may well be there the next. A few years in software time is, like, centuries. chuck -
"A few years in software time is, like, centuries." The greatest billboard I've ever seen was in downtown San Jose about ten years ago. It was an advertisement for the computer section of the local newspaper. You turned the corner, looked up, and all you saw were these gigantic words: GOOD MORNING. YOUR SOFTWARE IS OBSOLETE. "I don't do any photo manipulation so have nothing specific to add except that open source projects, if they last, are constantly improving and what is lacking one year may well be there the next."
Yup, that's the story of the GNU/Open Source world. If enough people ask about a feature it usually shows up. As to some quirky behaviors in windows, well, it was and is designed for *NIX operating systems. The fact that windows people pestered us open source *NIX people for a version of GIMP that would run under windows says all that needs to be said. It was never in the initial project plans for it to have anything to do with running in MS environments. But people kept asking... Keep in mind, if you don't have a latest fast machine there's likely soon to be no rational option other than GIMP. I suppose the people that can afford the photoshop price tag can afford quad core machines too. Most of us can't. GIMP wasn't designed for people with George Lucas budgets but I bet there's a few machines around Lucasfilm that have GIMP on them. FWIW, I figured out how to tilt a picture. It's the 'rotate' tool. The post has been updated, and that only leaves the goofy 3-window display. If he'd just dock those suckers, the program would be magnificent.
Comes with source code, just honor the license agreement and dock away!
My desktops looks so different from anything in the windows realm, even with litestep or equivalents doing window managing, I find it hard to fathom the issue as to docking. I prefer telling my window manager how to handle events rather than having it dictated by an app. If you don't like your interface that's given, make it what you want it to be. That's how the world should work. /evangelizing Regards, Tom Almost forgot to add, though implied above, GIMPshop is alive and kicking for those that are stuck with the braindead MS MDI Windowing interface/API that causes your docking consternation and it also organizes the menus mostly ala photoshop to where it's an easy transition for spendy software users to free and better software with open sores to nitpick.
http://www.gimpshop.com/ Perhaps we've solved both your main problems with GIMP before the weekend even started? Regards again, Tom Tom -
Well, I solved the first problem ("tilt") myself, but if I can nail down the docking thing, my day would be complete. (and it's only 8:20 in the morning!) I'll check out the registration bidness, and thanks for mentioning it. As far as these go: "I find it hard to fathom the issue as to docking." "that causes your docking consternation" As noted in the post, the problem is one of functionality. If I have GIMP open and I'm on some other program, a quick Alt-Tab should flip me back to GIMP. But, because it's being viewed as three separate programs by Windows, all I flip back to is one of the three boxes. The only way to use GIMP again is to painstakingly click on all three Task Bar icons. That's not my definition of "economic". GIMPshop is downloading as I type! X-Windows and MS Windows are two entirely different animals as to how they work as far as windowing systems. That's where the cross over issue is a problem with standard GIMP code. GIMP itself was never built to have anything to do with windowing/placement of it's windows/tool bars or any form of self window management, that's what X-Windows and your window manager choices and settings are for. It's a different paradigm. On your average UNIX or Linux desktop, the problem of GIMP becoming three programs to tab between doesn't happen as often, depending on your choices of management. The "deweirdifier" part of GIMPshop (originally just a plugin for non X-Windows GIMP) was created to mollify that problem.
As to open sores audio, I've got some favorites but I'll have to poke around as to the win/mac viabilities. Audacity is likely the best bet for the moment. Regards, Tom
#9.1.1.1.1
Tom
on
2008-07-03 11:14
(Reply)
Tom -
I'm at the point in the guide where I'm about ready to fire up Audacity, but I'll be happy to revise it if you've got something better to offer. It doesn't have to be 'deep', just have the usual bitrate, mono-to-stereo, Normalize, de-artifacting stuff (which I'm hoping Audacity has). Thanks for the help, Doc Tom - BTW, if you (or anyone) have a suggestion for a free audio editor, that's what this week's lesson is about. Someone suggested Audacity, which I've grabbed, but I'm open to any further suggestions.
http://jamin.sourceforge.net/en/about.html
Is what I've been using lately. Dual core 3.2 with 4g Ram and most everything SCSI. M-Audio cards. Not windows friendly though, as noticeable on the DL page. Does a nice job of bringing together all the *NIX tools in one coherent package and adding a few tricks. All depends on how involved you want to get in money, software, machines, and time. The simpler packages make more sense for people that don't need more than an occasional format change or quick edit. Tom -
Thanks for getting back to me. I eventually found a very comprehensive list of all the free source audio tools out there and it looks like it's Audacity or bust for Windows. It's fine, though, in the sense that most people just want to do a simple operation or two, like snipping out a nasty 'click' at the beginning of a song. The only thing that threw me was not finding a bitrate setting while saving an MP3. There aren't any options in the save process, which is fairly unusual. The default bitrate for MP3 saves is in Preferences. I'll just have them set it to 160 and forget about it. Next week: video! But Tom, the GIMP did solve all my problems when I installed it on my 3.0Ghz dual core 4GB ram laptop. DELL D640. It came wth Vista but I forced feed it Win XP Pro sp2. I have PhotoShop 7.x on the software shelf. I like Photoshop 7 a great deal. It's nice and has a lot of features I'm too dumb to use. I remembered the GIMP one day when I wanted to split up a picture. Make a 24 pice java puzzle. I remembered the gimp and was supprised to see there was a windows version. I hate putting new software on my laptop. I found in the past 30 years they are usually not worth the time and expense to get them to run right. The GIMP on windows is small, 80Mb. Photoshop is 300, 400 or 500 Mb? When I make a mistake it is a lot easier to remove 80Mb than 400Mb. Did I mention also that I am lazy bones. I think the GIMP is easy to learn to use. I think there are very few people to really appricate the vast resources that can be employed by PhotoShop. Most of us in fly over country can't really appricate the many functions of PhotoShop. We don't have the talent to justify a $600 software expense. I once worked for a hardware OEM maker in Houston. The company's instruction documents publishing division had to have Apple MACs running all the latest Adobe software. These MAC people would not even consider the Clone wintel computers from their employer. The ones that signed their pay checks. The lesson in all this; At some point a lot of people will wake up to the fact that there is a lot of software out there in the world. Dr. Murcury is a link in the chain that will drag some people to freedom. Freedom of thought. Freedom of assoication. The free flow of ideas. Where a man( or woman) is judged on talent, not the amount of money his parents have. Maybe a kid should demonstrate her ability on the GIMP before she is hired to do graphics with PhotoShop. Maybe I'm too old fashion. I just don't want to spend money when I don't have to. One of the reasons I fell in love with wintel computers , I could always get MS DOS for $30 or $40. And most of the time a trusted friend would give it to me for free. Dr. Mecury provids a service where some will find value in information that does not cost $600.
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