Categories
Graphics/CSS Photography

Gimp 2.6 alive and well on the Mac

GIMP 2.6 is now available on the Mac OS X, in addition to both Windows and Linux. On the Mac, you can install it via Macports, or you can use a pre-built version of the application, available for both Tiger and Leopard. I have the Macports version on my Leopard machine, the pre-built on my Tiger laptop.

First impressions of the newest version is that I like the improvements to the user interface. The original application (Toolbox) toolbar has now been merged as part of the image window, simplifying the interface. The application is still a MDI, or Multiple Document Interface, but it’s simple to keep all of the tool’s components visible.

The necessary photo enhancement tools are all present and accounted for, including Layers, Curves, and the all important Gaussian blur, as well as several of the other handy enhancing tools. The application still interfaces with UFRaw, the separately accessible open source tool that provides RAW image pre-processing.

One of the new additions to Adobe’s Photoshop CS4, I gather, is the addition of seam carving whereby the tool can determine where pixels can be compressed and still maintain most of the image’s integral look. GIMP 2.6 also incorporates a plug-in known as Liquid Rescale that is based on the same algorithm. I didn’t have a photo with a long, unending beach, but I did have a photo of a bright red mumdahlia. Following are two versions of the photo, a before and after scaling with Liquid Rescale.

Red Mum before

Red Mum after

The red flower is distorted, which isn’t surprising. However, the bud, leaves, and even some of the background are relatively untouched. Interesting effect. The plug-in’s web site has examples that show how to use Liquid Rescaling to enhance photos without obvious distortions.

Another major change with GIMP 2.6 is the addition of the GEGL (Generic Graphics Library). From the GIMP 2.6 release notes:

Important progress towards high bit-depth and non-destructive editing in GIMP has been made. Most color operations in GIMP are now ported to the powerful graph based image processing framework GEGL, meaning that the interal processing is being done in 32bit floating point linear light RGBA. By default the legacy 8bit code paths are still used, but a curious user can turn on the use of GEGL for the color operations with Colors / Use GEGL.

There’s also a GEGL tool, which provides access to several operations, though I’d use caution when applying any of the operations to a large, RAW image. Among the more familiar of the operations is an unsharp-mask; among some of the more interesting is the whitebalance operation, demonstrated in the following snapshot.

The new modifications for GIMP 2.6 go beyond making our photos prettier. The new Brush Dynamics feature is a kick to play with, and one can see how it would be useful when creating specialized effects. With the Dynamics, I can create a wonderfully fun fairy sparkle effect, just by setting the pressure, velocity, and random settings for the brush opacity, hardness, size, and color.

Some of the more popular plug-ins, such as the Layers plug-in, which emulates the Photoshop layer effects capability still have not been ported to 2.6. Most of the effects, however, can be created by scratch until the plug-ins are updated. Plus, there’s enough to the basic tool, including the new GEGL operations, and the Brush Dynamics to keep one occupied for hours.

GIMP isn’t the tool for everyone. If you’re proficient with Adobe Photoshop, work in an operating system in which Photoshop is released, and can afford the rather expensive upgrades, you should stay with Photoshop. However, with today’s troubled economic times, and an increased interest in being frugal, you can’t beat GIMP 2.6’s price: donate what you can to the project. In addition, the new Photoshop CS won’t run on many older Mac architectures, including both my Leopard and Tiger laptops.

Paired with UFRaw, you have what you need to do sophisticated photo processing with GIMP. And with all of the graphics plug-ins, filters, scripts, and so on, you can do most other graphics work with the tool, as I hope to demonstrate more fully in the future.

Categories
Critters

My old girl

Sixteen years ago this charmer came into our life. We don’t know when Zoë was born or how old she really is, so we call this her birthday. She’s probably closer to 17, but I don’t think she looks a day over 15. She wasn’t in the mood for a birthday picture. I had to finally bribe her with a neck scritch, which made taking the photo one-handed a little challenging.

Little girl gets stiff nowadays, and spends a lot of time on her towel wrapped heating pad on my bed, but she plays every day, and can still climb her cat tree in the living room. Not bad for an old girl, I only wish I was in as good a shape.

Zoë's 16

Categories
Photography

Solar Imagery

Thanks to Jesse Robbins at O’Reilly for pointing out the exquisite collection of solar images that the Boston Globe has compiled.

Solar flare

Categories
Connecting

Comments

I just finished one change to my Drupal-maintained web site, which I’ll cover later for those few who might be interested. I have many other changes I want to make, primarily because I want to try out some new technologies and I like to use my sites as testing ground.

I am thinking about cutting off comments, not the least of which is the ACORN post, which ended up being linked by Drudge Retort. The issues are too hot, too partisan to have a decent debate, and I’m tired of dealing with what passes for online “debate” anymore. I figure I have my space, others have theirs, and we can all have our say. Perhaps without the debates, we’ll actually resort to more thoughtful postings.

What I should do is just leave comments open on some of the posts, such as the purely technical. But even they have become increasingly “partisan” — we have become a people living on the polarized edge.

I did not follow through on my promise to myself to back away from the political and focus on the technical, or the artistic, or whatever. Damn me, too, for allowing myself to be hooked on the many lines tossed out into the aether. I feel like the old catfish in the Mississippi river, worn out from all the battles fought to survive, giving into the hook for the last time.

Categories
Political

In support of ACORN

The current Republican hand waving is now focused on ACORN, the organization’s perennial punching bag whenever a state or national election could be close. You see, it’s not in the Republicans interest to have everyone who is qualified to vote, to actually vote. If it were up to the Republicans, they would filter out anyone who isn’t conservative, middle class or above, and especially white.

ACORN is an organization focused on getting people to vote, ensuring that people equal access to housing and education, supportive of unions, and decent working conditions. Really, how awful—what do these people think this country is?

ACORN and Missouri have a long history together because my state is always held up as the poster child for voter registration fraud. Governor Blunt, a man so despised after his one and only term as governor that he didn’t even run again, says it’s all the fault of ACORN and that the organization is committing deliberate fraud in order to register Democratic voters.

What he doesn’t say is that ACORN is typically the first to actually flag suspicious voters. That the organization has turned in to the authorities voter registrars it believes are deliberately creating fraudulent registrations. That it cannot, by law, not turn in any registration it receives. So even if you register as Mickey Mouse, all that the ACORN registrar can do is flag the registration for the election committee, who then has to determine if the registration is fake or not.

You read that correctly: ACORN, any voter registration organization, cannot discard any voter registration card. By law. This is so that organizations can’t “pretend” to register folks, and then discard the registrations in an attempt to rig the vote.

We had a group of six ACORN registration workers convicted of fraud in St. Louis because they used the phone book to create duplicate registrations in order to get paid by ACORN without doing any actual work. There was no universal attempt to “rig” an election. There has never been any attempt to fraudulently rig an election–it’s all about money. It would be nice if ACORN didn’t have to pay people, but another purpose behind the organization is to provide jobs whenever possible. Among those who take these jobs, you’re always going to have the bad apples.

Plus, it’s not easy getting volunteers nowadays. We can’t even fill all poll worker positions in the state, and they’re paid, too.

How big is this problem? ACORN registered 53,000 people in the state of Missouri. How many registrations forms are being questioned? According to what the ACORN staff here in this state were told: 135 questionable cards, 89 considered duplicate. Wow, we can really take over the state and the country with this huge effort to commit fraud.

The purpose of the ACORN effort, all voter registration efforts, though, is noble, and I won’t hear anything against it. To me, I can’t think of any higher purpose than to ensure that everyone qualified to vote is registered to vote, and then encouraged to vote. The biggest problem we’ve been having with our elections in the last couple of decades is fewer people actually voting. It’s a sad state when your elected representatives are elected by a minority of people.

I am tired that an organization whose sole purpose is to help people like you and me, become the Republican fall guy every election, because the Republicans can’t focus on the issues. Why not focus on the issues? Because the Republican platform basically sucks. It asks people to give up their right to health care, to being treated decently in their job, to access to good home loans regardless of country of origin or race; that we don’t start three more wars before the two we have going are at least finished; the party that doesn’t want people to remember that the current Republican president entered office with a budget surplus and a healthy economy, and has dug a financial hole so deep, we may never get out. In other words the Republican party deplores any organization, or candidate, who works to ensure this country is the “great” country we claim it to be. To put into deed that which the Republicans can only put into words. Angry, divisive words, too—full of fear and hate of “others”.

Governor Matt Blunt is desperately trying to “earn” his way into the McCain White House, and is using ACORN as his key. That’s what is happening in my state, in a nut shell. And if you think Sarah Palin would be the worst disaster in the White House, you haven’t met Matt Blunt.

Does Senator Obama have a history with voter registration? With working to ensure that all people have equal access to the polls? Yes, but then so did James Chaney, Andrew Goodman, and Michael Schwerner. And if those names don’t ring a bell, I suggest you look them up in Google while you think on what’s really at stake, and what the Republicans are really trying to do with this election.


Update:

Rogers Cadenhead:

Powers’ entry generated more than 100 comments on the Drudge Retort, where I was surprised to hear from people who think that more people voting is a bad idea. “Why weren’t the founders of our country concerned with ‘everyone’s right’ to vote in a presidential election?” one asked.

The founding fathers didn’t think women should vote, treated blacks as property, and were divided on whether Americans should be required to own property to vote. In 1788, Thomas Jefferson wrote a letter asserting that women were “too wise to wrinkle their foreheads with politics.”

Mad props to those white male 18th century landowners for the American Revolution, First Amendment, powdered wigs and Samuel Adams Pale Ale, but the idea we should defer to their views on voting is obscene.