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via Aqua Velvet
You can buy a copy of World of Logotypes at Alibris.
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The old saw that "it's the little things that count" was surely coined by a typographer, and few things are littler than kerning adjustments. Consider this: A 1/100 em kerning adjustment applied in 24-point type results in a movement equal to the width of a human hair.
Kerning addresses a basic problem with our alphabet: The shapes of certain character pairs create spacing problems, making them appear either more loosely or more tightly spaced than the neighboring characters around them. To create the even and consistent spacing between characters that makes for pleasant reading, you should iron out these spacing anomalies.
The term kern comes from the French word meaning the corner of a block of type. When type was set by hand, each character was cast on its own little metal block, and these were arranged in rows to create lines of type.
In the following illustration, l represents the point size of the type, k its cap height.

Gutenberg's solution to the problem of conflicting character shapes was to create lots of printing blocks that had two or more characters on them. This allowed, for example, one character to nuzzle into the negative space that flanked another, something that was impossible when each character was on its own block. When Gutenberg printed his famous Bibles, he used scores of these twinned characters. It was an expensive solution.
Eventually this gave way to a casting technique that allowed parts of certain characters to extend beyond the edges of their blocks, where they could lean on the shoulders of the blocks next to them. These so-called kerning characters were clever, fragile, and still expensive.
Kerning characters exist in computer fonts as well. Here, the view from within a font-editing program shows how this italic f extends beyond its side bearings -- the digital equivalent of a metal type block -- allowing it to overlap characters set next to it.

Only with the advent of electronic typesetting could wholesale kerning get underway, as it allowed the images of characters to be positioned anywhere, even overlapped.
Kerning Tables
Built into every digital font is a list of character pairs that present spacing problems. For each of these pairs, a kerning adjustment is prescribed, either a negative value to tighten the spacing or a positive one to open it up. These lists are called kerning tables, and their adjustments are calibrated in thousandths of an em.
Part of the kerning table from the Adobe Garamond font. It's a straightforward assignment of spacing adjustments to specific character pairs.

When your typesetting or word-processing program fills lines with type, it constantly refers to these kerning tables and adjusts inter-character spacing as it goes.
When dedicated electronic typesetting systems became widespread in the 1960s, a typical font contained perhaps 100 kerning pairs. When the technology shifted to formats used on desktop computers, that number didn't change much. There are still millions of older PostScript fonts in circulation containing only 100 or so kerning pairs.
To put this figure in perspective, if you wanted a comprehensive list of all the possible character combinations in one of these old fonts, your kerning tables would contain more than 50,000 pairs.
These days, with much more powerful computers, a well-built text font typically contains kerning tables with 500 to 1,000 pairs. But it's hard to know how extensive the kerning table for a specific font is. QuarkXPress' Kerning Table Edit utility can display the list (which you can add to) and its adjustments (which you can alter). A font-editing program can do the same thing. In general, though, fonts' kerning tables are hidden from view.
A Second Kind of Automatic Kerning
Adobe InDesign offers an alternative to table-based kerning, using software that analyzes the shapes of adjoining characters and assigns kerning adjustments on the fly. Adobe calls this optical kerning. Here's an illustration of how it works.
The following samples are all set using Bitstream's Bodoni Book, a font containing 668 kerning pairs. In the top sample, automatic kerning is turned off, and the spacing between characters is determined solely by their side bearings, as defined in the font. The kerning in the second sample is based on the font's kerning tables; most pairs get no adjustment, as the numbers below each pair indicate. The third setting uses Adobe InDesign's "optical" kerning scheme, and every pair gets some adjustment. The bottom setting was kerned manually by me; it benefits from both human vision and character-by-character adjustments.

Clearly, neither table-based nor algorithmic kerning is perfect (nor am I, for that matter). The tables can't be complete enough, and algorithms have no eyes. Best would be a system that uses a font's kerning tables first but applies algorithmic kerning for pairs that aren't listed in the font. I don't know of any such system available at the moment.
When Automatic Kerning Isn't Good Enough
Considering how much we admire printed books from before the electronic typesetting era, it's easy to argue that fussing about kerning is much ado about nothing. And in text type, this is often the case. Display type is another matter. Because spacing problems become more apparent as type size increases, the larger the type, the more important it becomes to pay attention to kerning problems.
In text, proofreaders and copy editors should keep an eye peeled for character sequences that need kerning. But generally speaking, manual kerning is most important in display type.
In headline type, book titles, large ad type, and so on, you can spend a lot of time tweaking the spacing between characters. It's a worthwhile pursuit, but you can also make yourself crazy.
One way to avoid insanity is not to use kerning increments that are too fine. You may have noticed that all the adjustments I made in the previous sample were multiples to 10/1000 em. Spacing changes smaller than this are very nearly undetectable at large sizes, and ineffective at small sizes. For example, a 1/1000 em spacing change in 28-point type can't even be registered on a typical imagesetter because it doesn't add up to the width of a single pixel.
I use the Preferences settings in my programs to define a minimum kerning adjustment using the keyboard to be 10/1000 em. Rarely if ever do I use anything smaller.
Manual Kerning Strategies
It's tempting to zoom in very close when you manually kern your type. The increased size helps compensate for the low resolution of the screen. But it also exaggerates the impact of the white space, because making the type bigger makes it look looser. It's best to adjust the tracking of the type at a modest magnification, and then zoom in to balance the spacing of the troublesome pairs. Accept that the zoomed type is going to look much looser than it will when printed.
Printed proofs are also important. Screen resolution is very deceptive, and even high-resolution desktop inkjet printers may create aliasing errors, in which the printer is forced to round off an image to the nearest pixel, which can distort spacing at smaller point sizes.
The goal of tweaking kerning is to achieve even, consistent spacing. The first rule of kerning, then, is to find the worst, nastiest, most difficult character pair in the passage and let that set the spacing feel for the rest. In the following example, then, the kerning needed to even out the spacing has to be keyed by the loosest pair. To ignore this and tighten all the rest will just make the bad pair stand out even more.
In the following illustration, the top sample is over-kerned. While most of the character pairs can be tightened up snugly, the TY combination can't. That loose pair pokes a hole in the line. In the bottom sample, the spacing of the entire line has been adjusted to match as well as possible that of the TY, with better overall results.

On the following CD cover, I think the designer had too much faith in the font's kerning tables. The rhythm of the spacing clearly loosens as the character shapes go from round to round (Bee) to a series of less-compatible shapes, especially in hove, where the shapes go from flat to round to angled and back to round.
In my adjusted, "after" version, I used the spacing of the th combination to set the leitmotif for the rest. This meant relaxing the spacing between the round characters and tightening most of the rest.
Before:

After:

Perhaps the most common kerning error is overdoing things, taking out space just because it's there. I used to buy a brand of mayonnaise with a label designed by someone who seemed to have an obsession with squeezing out every space possible. As a result, the brand logo looked like this:

It's no longer available at my local market, and since it was pretty good mayonnaise, I am left to wonder whether it was bad kerning that drove it from the shelves.
The Final Word
Kerning is not a matter of measuring, it's a matter of how the type looks. There are times when the sequence of characters makes it impossible to establish that perfect spacing rhythm. All you can do is try your best, and remember that tightening is not always the way to go. Sometimes making spacing a bit more slack -- to accommodate that pesky pair -- is the way to go.
via creativepro.com
TypeTalk is a regular blog on typography. Post your questions and comments by clicking on the Comments icon above. If Ilene answers your question in the blog, you'll receive one Official Creativepro.com T-Shirt!
Q. Are there guidelines for setting type on a curve?
A. There are indeed, as even if your type looks perfect on a horizontal baseline, curving type can alter the balance and relationships between characters in unpredictable ways.
Here’s how to set type that's on a curve:
1. Start by setting the type on a straight, horizontal baseline. Make sure the overall spacing looks even. Kern any uneven combinations.
2. Place the type on the desired curve. Depending on which direction it's going (curving up or down), it will become either more open or tighter. Use tracking as necessary to achieve desired overall spacing.
3. Examine the individual letter pairs and use kerning to fix any uneven combinations.
4. Check the angle of each character. Sometimes a character looks crooked next to its surrounding characters; in that case, you can rotate the character individually. You might even want to set that character separately to rotate and position it so it looks even with the rest of the type.
5. Be sure the word spacing is even and not too open.
6. Once you're satisfied with the character and word spacing, check to see if the line of type looks centered in its rotational position. It can be technically centered but look off-center depending on the beginning and ending characters. Rotate as necessary to make it look visually centered.
The example type below is correctly spaced, and it looks good as long as it stays on a straight horizontal baseline:

When the same type is placed on a curve, the spacing becomes uneven and too open in some places:

Reducing the tracking slightly improves the overall spacing, but there are still some uneven letter combinations:

Consistent spacing is finally achieved by adjusting the kerning between problematic letter pairs, as well as evening out the word spacing:

And finally, the type is rotated clockwise until it visually aligns on both ends:

I set my examples in Maiandra Pro. But if you're using a connecting script, be prepared for special challenges. They might require lots of individual kerning to maintain the integrity of the connections without creating bumps and breaks.
Love type? Want to know more? Ilene Strizver conducts her acclaimed Gourmet Typography workshops internationally. For more information on attending one or bringing it to your company, organization, or school, go to her site, call The Type Studio at 203-227-5929, or email Ilene at info@thetypestudio.com. Sign up for her e-newsletter at www.thetypestudio.com.
An old infographic chestnut. It’s always been a tricky balance between getting the story across, and making a great image. But thanks to some serious computing power, we’ve arrived at a crunch point. In one corner of the ring is information, and in the other is art, and they’ve been slugging it out.
Big revelation: The biggest trend in infographics right now is data visualization. Taking complex data sets, crunching them through some expensive software, and seeing what comes out the other end. It’s exciting stuff. Dreary spreadsheets can be transformed into beautiful artwork. Spirals, circles, piles of dots and other assorted shapes. Lots of overlapping info in brilliant colors. Population trends turned into a wheel of interconnecting dots. I love it, but to be honest, I often have no idea what’s going on.
A worrying aside: My students keep bringing stunning examples they have found on the Internet. But they are rarely able to tell me what the graphic shows.
Yes, in many cases, you really do have to be a rocket scientist to know what’s going on. In my nightmares, turbo-charged Spirographs are on a rampage.
All of this is not a problem at all, until… wild visualizations start masquerading as infographics.
All Streets by Ben Fry.
Wheat and Wages chart by William Playfair, 1821. Probably the original data viz guy!
Regulation/Innovation by Jer Thorp.
Let’s not lose sight of the end user in this. Unless we’re creating pieces for a gallery, everything in a graphic should work to help people make sense of complex information. Especially now, when we’re being bombarded with info from all sides. All kinds of alarmist “information overload” statements are being made at conferences by people like me. But us infographic folk are uniquely positioned to help. We know how to create some order by applying design principles to information. So let’s do that, and not add to the chaos.
Don’t get me wrong, there are some great data visualizations around, and I applaud them. But it’s a new form, and we’re still learning what to do with it.
In my little world, I like infographics that have been carefully edited and ordered to tell a story clearly. Graphics that turn the light on, not turn it off. Information first, art second. Follow that mantra, and data visualization is part of an exciting future.
John Grimwade is information graphics director at Condé Nast Traveler and a long time supporter, teacher, mentor for SND infographics.
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Isolate and create.
“In order to be open to creativity, one must have the capacity for contructive use of solitude. One must overcome the fear of being alone.” ~Rollo May
Creativity is a nebulous, murky topic that fascinates me endlessly — how does it work? What habits to creative people do that makes them so successful at creativity?
I’ve reflected on my own creative habits, but decided I’d look at the habits that others consider important to their creativity. I picked a handful of creatives, almost at random — there are so many that picking the best would be impossible, so I just picked some that I admire, who came to mind when I thought of the word “creative”.
This was going to be a list of their creative habits … but in reviewing their lists, and my own habits, I found one that stood out. And it stands out if you review the habits and quotes from great creative people in history.
It’s the Most Important Habit when it comes to creativity.
After you read the No. 1 habit, please scroll down and read the No. 2 habit — they might seem contradictory but in my experience, you can’t really hit your creative stride until you find a way to balance both habits.
In a word: solitude.
Creativity flourishes in solitude. With quiet, you can hear your thoughts, you can reach deep within yourself, you can focus.
Of course, there are lots of ways to find this solitude. Let’s listen to a few of the creative people I talked to or researched:
Felicia Day – wonderful actress perhaps best known for her awesome awesome work on Dr. Horrible’s Sing-along Blog, Buffy the Vampire Slayer, and The Guild.
I was thrilled when she replied to my email asking about her creative habits. One of the things she said: she makes “sure to be creative first thing in the morning, before doing anything for the outside world, really sets the day up for me. It makes it feel that CREATING is my job, not answering emails.”
Ali Edwards – an author, designer, and leading authority on scrapbooking.
I was honored with a response from Ali as well. One of her top habits wasn’t exactly solitude, but is related: “Do nothing. I have a habit of welcoming time away from my creative work. For me this is serious life-recharging time where my only responsibility is to just be Mom & Wife & Me. Doing nothing has a way of synthesizing what is really important in my life and in my work and inspires me beyond measure. When I come back to work I am better equipped to weed out the non-essential stuff and focus on the things I most want to express creatively.”
Chase Jarvis – an award-winning photographer.
Chase also kindly responded with several of his key creativity habits — see more great ones at the bottom of this post. But here’s one that I loved: “Find Quiet. Creativity sometimes washes over me during times of intense focus and craziness of work, but more often I get whacked by the creative stick when I’ve got time in my schedule. And since my schedule is a crazy one and almost always fills up if I’m just “living”, I tend to carve out little retreats for myself. I get some good thinking and re-charge time during vacations, or on airplanes, but the retreats are more focused on thinking about creative problems that I’m wanting to solve. That’s why I intentionally carve time out. I make room for creativity. Intentionally. The best example of what I mean by a retreat is a weekend at my family’s cabin. It’s a 90 minute drive from my house on the coast. There are few distractions. Just a rocky beach and a cabin from the 60’s with wood paneling and shag carpet. I go for walks, hikes, naps. I read. I did get an internet signal put in there to stay connected if I need it. But the gist is QUIET. Let there be space for creativity to fill your brain.”
Maciej Cegłowski – painter, programmer, excellent writer.
Maciej is one of my favorite bloggers, and responded to my email with a classically short answer that to me, embodies a beautiful way to find solitude.
What habit helps his creativity?
Maciej replied: “Running up hills!”
Leo Babauta: OK, I wasn’t going to talk about myself in this post, but I thought I should share some of my previous thoughts.
The best art is created in solitude, for good reason: it’s only when we are alone that we can reach into ourselves and find truth, beauty, soul. Some of the most famous philosophers took daily walks, and it was on these walks that they found their deepest thoughts.
My best writing, and in fact the best of anything I’ve done, was created in solitude.
Just a few of the benefits I’ve found from solitude:
Read more: the lost art of solitude.
Of course, many other creative people have believed in the habit of solitude. I’ve collected a small but influential sample here. There are many more examples.
Wolfgang Amadeus Mozart – prolific and influential composer of the Classical era. He composed over 600 works, many acknowledged as pinnacles of symphonic, concertante, chamber, piano, operatic, and choral music. He is among the most enduringly popular of classical composers.
Mozart: “When I am, as it were, completely myself, entirely alone, and of good cheer–say, traveling in a carriage or walking after a good meal or during the night when I cannot sleep–it is on such occasions that my ideas flow best and most abundantly.”
Albert Einstein – theoretical physicist, philosopher and author who is widely regarded as one of the most influential and best known scientists and intellectuals of all time. He is often regarded as the father of modern physics.
Einstein: “On the other hand, although I have a regular work schedule, I take time to go for long walks on the beach so that I can listen to what is going on inside my head. If my work isn’t going well, I lie down in the middle of a workday and gaze at the ceiling while I listen and visualize what goes on in my imagination.”
Franz Kafka – one of the most influential writers of the 20th century. Novelist and writer of short stories whose works came to be regarded as one of the major achievements of 20th century literature.
Kafka: “You need not leave your room. Remain sitting at your table and listen. You need not even listen, simply wait, just learn to become quiet, and still, and solitary. The world will freely offer itself to you to be unmasked. It has no choice; it will roll in ecstasy at your feet.”
Nikola Tesla – inventor, one of the most important contributors to the birth of commercial electricity, best known for his many revolutionary developments in the field of electromagnetism.
Tesla: “The mind is sharper and keener in seclusion and uninterrupted solitude. Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind. Be alone—that is the secret of invention: be alone, that is when ideas are born.”
Joseph Haydn: A life-long resident of Austria, Haydn spent much of his career as a court musician for the wealthy Hungarian aristocratic Esterházy family on their remote estate. Isolated from other composers and trends in music until the later part of his long life, he was, as he put it, “forced to become original”
Johann Wolfgang von Goethe – German writer and polymath. Goethe’s works span the fields of poetry, drama, literature, theology, philosophy, and science.
His magnum opus, lauded as one of the peaks of world literature, is the two-part drama Faust.
Goethe: “One can be instructed in society, one is inspired only in solitude.”
Pablo Picasso – Spanish painter best known for co-founding the Cubist movement and for the wide variety of styles embodied in his work. His revolutionary artistic accomplishments brought him universal renown and immense fortunes throughout his life, making him one of the best-known figures in twentieth century art.
Picasso: “Without great solitude no serious work is possible.”
Carl Sandburg – American writer and editor, best known for his poetry.
He won three Pulitzer Prizes, two for his poetry and another for a biography of Abraham Lincoln. H. L. Mencken called Carl Sandburg “indubitably an American in every pulse-beat.”
Sandburg: “One of the greatest necessities in America is to discover creative solitude.”
Thomas Mann – German novelist, short story writer, social critic, philanthropist, essayist, and 1929 Nobel Prize laureate, known for his series of highly symbolic and ironic epic novels and novellas, noted for their insight into the psychology of the artist and the intellectual.
Mann: “Solitude gives birth to the original in us, to beauty unfamiliar and perilous — to poetry.”
While it might seem contradictory, the No. 2 habit when it comes to nurturing creativity: participation. This can come in many forms, but it requires connecting with others, being inspired by others, reading others, collaborating with others.
But how can you have both solitude and participation? They obviously have to come at different times. Finding the balance is key, of course, but it takes a conscious effort: this time is for solitude, and this time is for participation.
Why are they both important? We need inspiration from without, but we need creation from within.
A couple of the people I interviewed had habits that relate to this:
Chase Jarvis: “Devour Popular Culture. Consuming the works of others inspires me. And it’s not just museums and the “establishment”. I devour magazines, books, street art, performances, music, etc. All things that make me think critically (and whimsically) about the world. You get the picture. Inspiration can come from anywhere.”
Ali Edwards: “Participate. My creative spirit is interested in documenting the wonderful everyday details of our lives. To really get to the heart of the matter I need to be fully participating in my life, in the interactions with my kids and husband and family and friends. If I am just going through the motions or wishing away the present moment for “the next thing” I am missing the blessing of right now. My creativity requires the habit of active participation and daily attention to detail.”
There are other habits than those top two, of course, that can nourish creativity. Some other good ones:
Felicia Day: “When I am most productive I am the most ruthless with my schedule. I will literally make a daily checklist with, “one hour gym”, “30 minutes of internet research,” and “drink 3 glasses of water” on it. For some reason being that disciplined creates a sense of control that I wouldn’t have otherwise, as a self-employed person, and I get the most out of the scheduled hours that I have for writing.”
Ali Edwards: “Take notes. I am a really good note-taker. It’s essential for me to write down my ideas when they come to mind…otherwise, poof, they disappear way too quickly as I move on to the next task (diaper changes, wiping noses, tending to the stuff of life). I use my phone, my computer, and a moleskine notebook to jot down thoughts and ideas and then I move them into Things every week or so.”
Chase Jarvis had a few more: