Thursday, 29th July 2010
I am currently working on a 3D jQuery plugin called "threedee" that can convert text on web pages into 3D text. As part of the experimentation process necessary to work out how 3D images work, I've been taking a lot of 3D photographs.
Here is an example of a 3D image, which I have taken of my wife and her parents. You'll need a pair of red / blue 3D glasses to view the image - I've chosen red / blue 3D as it is the simplest 3D technology - it doesn't need a special display of any kind, just a cheap pair of goggles!
The 3D shown in cinemas at the moment uses alternating flashing images, polarised in different directions, which matching glasses - this means each eye sees a different picture, which is what creates the 3D effect. Some 3D televisions use "shutter glasses", which shut off light on alternate eyes incredibly fast to match the pictures being displayed alternately on screen. The other common 3D display (and my favourite as you don't need any glasses) is the lenticular display - this is made up of two images that point in different directions (imaging lots of very long thin Tobelerone tubes) that give each eye a different image. I would use this lenticular display as my display of choice, but that would require every computer in the world to have a lenticular display, which they don't - so red / blue glasses it is!