@media print {
a:after {
content: " (" attr(href) ")";
}
}

Quite often you would not like to type a cryptic url by hand. Here is what you may utilize jQuery.printQr for.

Here is all you have to do:

<script src="jquery.printqr.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
$(document).ready(function() {
    $('a').printQr();
});
</script>

These lines of code will add QR Codes for all links to the bottom of the page when you print it.
I built a little demo page.

Have fun with it, I’m interested in some feedback.

Seit ein paar Tagen ist das Buch “Magic Earth: Unsere Welt in 3D” im Handel erhältlich, in dem auch eine meiner Peru-3D-Aufnahmen abgedruckt ist. Mein Beleg-Exemplar ist auch bei mir angekommen.

Ein wenig schade ist, dass die Bilder über die Doppelseite und damit über den Falz gehen.

Dafür gibt es schöne Fotos und Relief-Karten in 3D rund um den Globus.

No (manual) upload needed
All you do is drag a file to your Dropbox folder. You should upload an image with a reasonable filesize, so don’t use your 20 megapixel raw image. Thumbnailing is done by dropbox.

Caching, not copying
The images from your Dropbox are cached for faster access. The cache has a configurable lifetime.

Update galleries or individual pictures
On the other hand every new revision of an image is detected and updated. You altered your image in Photoshop? No need to update your image in WordPress.

Choose any folder from your Dropbox account
You may choose any folder to create an image gallery out of its contents. All images of the folder you chose are displayed in your article.

And here is what you get

Anbei einige 3D Fotos aus dem Wuppertaler Zoo.

Adobe pyramid in Lima

Plants and animals of Peru

Ica, Nazcar and Maria-Reiche-Museum

Arequipa, Peru / Convent de Santa Catalina / Misti

Cañon de Colca

Tiwanacu, Bolivia

Chacaltaya mountain, Bolivia

Moon Valley, La Paz, Bolivia

Lake Titicaca, Copacabana, Uro Islands

Inca ruins and stones, Cusco, Peru

Wiñya Wayna and Inka trail

Machu Picchu in 3D

Thru some internet research I found a Kodak Easyshare M1093 IS to be the perfect camera to buy. It has 10MP, 3x optical Zoom, image stabilization, a big bright display and – best of all – it is able to record video in 720p. Furthermore I made a very good deal at our local store of Conrad electronics. I got two cameras for as little as 220,- euro.

Next step was to construct a frame to hold the two cameras. First of all I took a caliper and made a drew a raw model of the camera using the free construction tool SketchUp from Google.  I focused on the outer body and the position of the lens/blind and the position of the tripod winding relative to the body. You may downlaod the SketchUp file here.

This very simple model allowed me to arrange the cameras and to draw a frame around them. I chose an eye distance of 68mm. The next picture show a very early stage of the final SketchUp. Beforehand I bought a square-cut aluminium bar, 10×10 mm, hollow, 8×8 mm inside (cost about 2 euro per meter). So I did know what to draw, roughly.

The final sketch was more detailed and layed out with all figures to start the construction. I will make it available here as well.

After a lot of cutting, rasping, drilling, finishing etc. I ended up with this construction:

(The picture above is actually a photoshop mockup, as I had to use one camera to take the picture)

The reason why one camera is upside down is, that otherwise the eye distance would not be preserved. This makes it very difficult to construct a mechanic release. For me it works fine to press both release buttons simultaneously.

After all I got a cheap 3D camera. I spent 230,- euro (and up to 8 hours of work ).

Of course there are some lessons learned:
Tripod threads/screws are measured in inches, no chance to get a screw at the next hardware store (when you are in europe, of course)
It is quite difficult to cut the aluminium bar angled. It’s a must to use a bench vise.
It is possible to buy such frames – as I figured out later

If you made it down to here, I’m sure you are eager to know, what the results are: take a look.

I can’t wait until the 15th of July when we go public.

One thing to add: German law is so difficult and slow; it took us weeks until we are able to go public and fullfil all legal requests.

Never heared of onsite twittering before? Well, of course – it’s brand new! You all know (or at least the twitterers among you know) several tools to shrink the internet address of websites you want to leave a comment on via twitter.
SumtnSumtn is one step ahead. While being on a site you are to twitter about, you click the SumtnSumtn bookmarklet an a sidebar pops in. It shows a form to send a tweet and, best of all, it shows you, what others had to twitter about the page you’re looking at.

Take a look at http://sumtnsumtn.com/pages/about.jsf to learn more.