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Welcome to Dijemeric Visualizations

Where photography and mathematics intersect with some photography, some math, some math of photography, and an occasional tutorial.

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Saturday, December 20, 2008

High Tech Noon

Wednesday, December 17, 2008

The Annual Laboratory Christmas Party-Luncheon 2008

Friday, December 12, 2008

Big Bang Theory - The Cooper-Hofstadter Polarization

Worth watching - even if you are not a physicist! And if the subtitles work, a great way to practice your Spanish.


Saturday, November 29, 2008

On Location Model Shoot Aboard the USS Nokomis

A portrait studio offers great control of lighting and a skilled photographer can create wonderful images, but for a story to go with it, on-location shooting offers greater opportunities and challenges. Together with photographers Jon Bauer, Dave Lund, and Vic Miller, I had the opportunity to learn some techniques for on-location photography using ambient light, reflectors, and off-camera flashes. Of course it helps to have truly elegant models, as we did with Reina Lam and Zarif Sadiqi together with the makeup artist, Erika Zunon.

Tuesday, November 11, 2008


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Sunday, November 02, 2008

Chicago and WEFTEC 08

I love Chicago, in October at least. The rest of the year I'm told the weather in Chicago is either too hot and humid or too cold. But October is great. I went there for the annual Water Environment Federation (WEF) conference and give a talk. with 33K attendees there was a lot to see, hear, and do - especially if one decides to get out and walk and use the transit system, which I did.

The Palmer House is grand, especially so after a very expensive ($300M) remodel job. Fellow presenter Saskia V was on the 20th floor, so I got some night shots from there in addition to the grand hall, ballrooms, staircases, etc. I did get out and walked a bit, taking in the "Bean" (aka Cloud Gate), Museum of Art, and the Field Museum of Natural History. Back at the conference, I caught Mayor Daley's keynote speech and heard how a big city can get 'green.' I found an unoccupied walkway and shot a panorama of one of the exhibits. It's really hard to see the layout when you're on the floor. The Op's Challenge was on the floor, so I got a couple of shots of the action. So on with the show...

Wednesday, October 08, 2008

Sounds of Paris - A Concert in the Church

Wednesday, October 01, 2008

Wednesday, September 24, 2008

Sunday, September 07, 2008

Wednesday, September 03, 2008

Castle Lake Reunion 2007 - 50 Years

The Castle Lake Research Group reunion - a celebration of 50 years of limnological research and integrative investigations of freshwater lakes beginning in 1959 when Dr. Charles Goldman cut a hole in the ice at Castle Lake. More at /jun_castle.htm

More photos at

Sunday, August 31, 2008

Tuesday, August 26, 2008

Yesterday's Station

Sunday, August 24, 2008

Abandoned For Now

Built in 1912 and abandoned in 1989 after the Loma Prieta earthquake, the Wood Street Train Station stands in silence waiting for restoration as part of the plans for redevelopment of this area of Oakland.

From the
February 28, 2005 SPECIAL MEETING

Wood Street Development Project

Staff reported on the Wood Street Train Station's eligibility for the National Register and possible 20% investment tax credits.
three conditions that BUILD agrees to, as follows:
1) No demolition or removal of the baggage wing and the northern section of the elevated tracks will occur prior to the issuance of a building permit for Development Area 6.

2) No demolition or removal of the southern tip of the elevated tracks will occur prior to issuance of a building permit for Development Area 4.

3) No demolition of the portion of the train platform that is to be retained attached to the station until detailed plans for the restoration of the Main Hall of the station have been submitted and a financial plan presented.

Saturday, August 23, 2008

Blue Angels

Saturday, July 12, 2008


Monday, June 09, 2008

My Backyard

My Backyard -

Sunday, May 25, 2008

Roses of Sakai

Now abandoned, roses still grow in the former Sakai Brothers Nursery in Richmond, CA

How to Sell your Photos

Of course it helps if you have an audience. It also helps if they have money and want to use it to buy your stuff. Then you can - have your own webpage for sales - enter a competition - post on a sales site like this:

Monday, February 25, 2008

High Dynamic Range Photoshop Tutorial

View slideshow

A tutorial on using bracketed exposures and Photoshop to create High Dynamic Range images presented as a Flickr slideshow.