Creating Anaglyphic Stereo Images Using Shade and Photoshop

Normally, when I render stereo images in Shade, it is to be viewed with this 19th century Stereoscope. Images are discretely separated on the card, and there is no cross-talk between them. It is like looking into the rendered scene as though it really existed. I render each eye's view at 1024 x 1080 at 360 dpi (yeah, it is a bit of overkill, 240 would do fine) Which fit perfectly on the required 7" x 3-1/2" card. The problem is that you need to have a 19th century Stereoscope to view them.

A more accessible way to view them is using red/cyan or the newer green/magenta glasses. This method is defined as anaglyphic stereo. Glasses such as these are available on-line and from stores that specialize in comic books or rent DVDs. Color pictures can be made into anaglyphs, but separation tends to be weaker and even at best colour reproduction is poor compared to starting with monochrome or pictures with low saturation. Photoshop makes the process very simple.

In Shade, from the Render Settings dialogue, select the size of image you want to work with.

Once both images have rendered, save them, identifying them for left and right and load them into Photoshop.
You can desaturate them with the comand Ctrl+Shift+U. There is no harm in trying them in colour, but generally monochrome or a low level of saturation works best.

For Red/Cyan Glasses - See more at Gallery

For the newer Green/Magenta, which I got from a video rental shop, just for asking.

©2009 Larry N.Bolch