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GIMP - Spring 2010

This meeting is scheduled for: 
Thursday, April 1, 2010 - 7:00pm
Semester: 

Notice: Due to inexcusably poor service from classroom services, the meeting was moved to Dreese Lab 305 for the current meeting. We apologize for the short notice, and plan on inquiring into why our room was overbooked without our knowledge.

Thursday, April 1st, at 7PM in Dreese Labs 266, Brian Swaney demonstrated how to effectively utilize the open source photo editing suite GIMP.

Image manipulation is done a by-case basis, so what works on one image may not work on another. Use of these editors is best learned by practice, as opposed to lectures. The presentation was therefore interactive, and use of a laptop with GIMP already installed was encouraged. Questions were also encouraged, so please come prepared with ideas of what you would like to see - as basic as "what is a layer?" to as advanced as "how do I render lightning bolts?" or anything else you can think of. Comments are enabled, so you can post your ideas ahead of time.

At the meeting, there was a lot of demand for a demonstration of rendering lightning bolts. Here is a copy of the example XCF image I generated. I followed this tutorial up to the point where they changed the colorization, then instead selected/cut out the bolt by color, applied the neon filter, and flattened the bolt. The image with Richard Stallman and Bill Gates was also popular, so you'll find it here.

For those out there who continue to persist that "GIMP is inferior to Photoshop and will never be professional," well... here is a little something by krc453...

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Meeting Minutes57.43 KB

Comments

image mapping, i know i already told you this but i figure this would get the discussion rolling

Image maps are pretty easy to do in GIMP, (there is a nice example here done in Dreamweaver) but can take a while. Please bring something you'd like to put on a web page with events on hover/click/whatever of given sections on the image.

What version of Gimp will you be using tonight?

I used the most recent non-beta version, 2.6.

The next version of Photoshop will have "content-aware" features, which, if they work correctly, will enable people to remove objects from images with minimal effort (http://www.youtube.com/watch?v=NH0aEp1oDOI). It might be interesting to see how to do similar things in the GIMP.

I don't know what exactly they're doing with that plug-in, or what is already available in Photoshop prior to their new feature, but for what they're trying to do I would recommend GIMP's resynthesizer plugin for that kind of edit. I believe Tubbs had some fun with that a short while ago when I spoiled it for him. I don't know how well it would work on that tree - I'd have to try it myself and I don't have a copy of their image EDIT: it works! - but if it didn't work there are some other fairly simple but tedious things you could probably do to remove the remains afterwards.

Ah, so GIMP got there two years ago and the Photoshop version that does it hasn't yet been released? Excellent.

Actually, it's really just a plugin, but I still stand behind my claim that one does not need to spend their life savings to edit pictures like that.

Remember, the point here is not to bash Stallman or the FSF movement. It's to show how to make images that are clearly not possible. If we start making sexual remarks about Stallman, then we're just slandering him and that (in my opinion) speaks poorly of the club.