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Monday, May 24th, 2004

exaggerated reality

dirty solar panelsYesterday’s image of a dirty solar panel was enhanced for dramatic effect. In the original shot, the “wash me” message was scarcely visible.

Photoshop provided the vehicle to my salvation. I’ve been using the program for more than 10 years, and except for those times I discover I’ve just blown an hour on a correction, I really enjoy using it. I’ve created a new debris.com channel for Photoshop trickery, to show off some of the things I’ve learned, and populated it with some past articles. There are more to come.

The challenge with the “wash me” image was to radically increase the contrast between the dusty surface of the solar panel and the ever-so-slightly darker surface where I’d wiped a message into the grit. But a simple application of Curves — normally enough to gain contrast — was insufficient.

After fifteen minutes of fiddling in Lab mode, I came up with a workable solution. I’d realized I needed to find the image channel with the highest existing contrast. There are 10 channels to every image (RGB, CMYK, Lab), so I checked them all. Cyan was the best.

I copied the cyan channel and pasted it back into the document as a new (grayscale) layer, twice. An aggressive curve correction to each brought out the contrast: one was optimized to show off the left third of the image, and the other for the middle. There was no saving the right third; the ‘H’ in ‘WASH’ is basically invisible in every channel.

These two correction layers were multiplied together, then applied to the background layer using Pin Light mode. A gradient mask was applied to the right two-thirds of the layer accentuating the left third of the image, so as not to blow out the extreme right side. I adjusted the opacity sliders to balance the blend of images, and followed up with a global curve correction to bring the colors back to reality.

Did I know what I was doing? Not really. I knew I wanted to increase the contrast between two points that had not much space between them. I knew that “there are 10 channels to every image” from the color-correction bible. The rest I made up.

The result makes it look like we’d had a dust storm, which is not the case. But this was the image I saw in my mind when I snapped the picture.


Tags:
posted to channel: Photoshop
updated: 2004-05-26 00:02:05

Sunday, May 23rd, 2004

time for a bath

Sun Power has done extensive research and has consistently seen that clean panels produce 8% more than thase panels that have accumulated dust from the atmosphere. For this reason, we suggest that you wash down your panels at the beginning of the summer. This is as simple as hosing them down with plain water.

dirty solar panelsOurs were indeed covered with grime. Simply hosing them off didn’t do the job, either; I made a pass with a clean scrub brush to knock off the grit.


Tags:
posted to channel: Solar Blog
updated: 2004-05-24 04:43:51

Saturday, May 22nd, 2004

the blue coast

Bodega Bay Head, CaliforniaIt was a gorgeous day for a hike at Bodega Bay Head. The water was intensely blue. It reminded me of Crater Lake.

Beached seal at Bodega Bay Head, CaliforniaLooking down to the beach, we saw a seal that seemed to have misjudged the tide. I wasn’t sure how to react — call for a rescue, or let nature take its course?


Tags:
posted to channel: Photos
updated: 2004-05-31 15:01:37

Friday, May 21st, 2004

The First $20 Million is Always the Hardest, by Po Bronson

The First $20 Million is Always the HardestThe subtitle is “A Silicon Valley Novel,” but I think of it as more of a dot-com novel. I know there were zero-dollar start-up companies staffed with engineers dreaming up all kinds of hardware and software miracles in Silicon Valley for 40 years before Netscape planted the seed that sprouted into dot-com mania, and the subsequent “dot-bomb” fallout… but it still feels like a dot-com story, maybe because it was published in 1997, a time when Silicon Valley was the cradle of the World Wide Web.

Po Bronson went on, after this book, to become a sort of biographer of real dot-com people, in The Nudist on the Late Shift. This is an interesting transition, to first write compelling fiction about a particular time and place and people, and then write nonfiction about the same time and place and people, and make it just as compelling.

The characters in The First $20 Million are imaginative, smart, and devious. Bronson comes up with some wild plot twists as he chronicles the practical jokes, the scheming, and the revenge among the players. It’s incredibly satisfying to read the conclusion to something, near the end of the book, that was set up in the first chapter. Bronson resists the temptation to drop any hints along the way, so the payoff is as sweet for the reader as it might have been for the characters in the story.

Unlike most fiction writers, Bronson gets the technical details right. He succeeds in spite of the challenge provided by his own setting: he follows four engineers on a quest to build a $300 computer. He describes the invention of a virtual machine — in Bronson’s terms, a software “hypnotizer;” think Java or even Virtual PC. Despite these additional opportunities to fail, Bronson’s prose remains clear and believable. One could imagine this story, with all its petty jealousies and paybacks, actually happening.

I have enjoyed reading this book several times over the years. I recommend it to everyone in the industry, or, really, anyone who enjoys character-driven fiction. If you have a technical background you’ll like it even more.

Patronize these links, man:


posted to area: Fiction
updated: 2004-05-24 12:12:04

Thursday, May 20th, 2004

Morissette on Stern

Stuck in the car for 2.6 hours yesterday morning — truly the commute from hell — I happened to hear the Howard Stern show. I previously had no opinion on the Stern / ClearChannel controversy; this show changed my mind.

The guest was Alanis Morissette, who like Howard Stern is wholly unfamiliar to me. On this show she was funny and charming and honest and entertaining. Stern was as taken with her as I was.

Morissette intended to perform a song from her new record. The song, called Everything, opens like this:

i can be an asshole of the grandest kind
I can withhold like it’s going out of style
I can be the moodiest baby and you’ve never met anyone
Who is as negative as I am sometimes

The problem is the word “asshole.” Due to Stern’s situation, which I guess is a sort of probation, he has to be careful about his show’s content. Apparently, “asshole” is one of the words he can’t say. Stern, Morissette, and the rest of the crew began a discussion of whether she’d be able to perform her song.

They began suggesting alternative words: bunghole, a-hole, basshole, even “Bush-hole.” This is so dumb, it’s hard to believe. As Morrissette said, “I can say ‘ass,’ and I can say ‘hole,’ but I can’t say them together.”

Who exactly is being protected here? And from what?

In the end she decided to perform the song, substituting the word “assbowl.” It was disconcerting to hear her launch into this sensitive confessional of a song and then break the mood with the word “assbowl.” She actually broke out laughing so hard she had to stop the song and start again. “Don’t look at me!” she said to Stern — she couldn’t keep a straight face.


Tags:
posted to channel: Personal
updated: 2004-05-22 14:12:15

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