LOSTCIRCUITS

Does it really work?

Sure enough, it does work and it is best to start with the different demos provided by DTI3D. There are several reasons for going with the demos first before jumping into the gaming. First, it is necessary to find the correct position in front of the display. This process is made quite easy by a red position cue in the form of an LED in the right bottom half of the display. If the viewer is positioned correctly, he or she won't see the light. A deviation from the optimal position will result in the cue becoming visible. I mentioned earlier that the cue is not the only positional marker, moving out from the optimal position will primarily result in a sinusoidal grating of vertical dark lines across the screen, with, however, only minor impact on the 3D effect. As a result, even a larger audience will be able to see the 3D display in a range that is somewhat comparable to the viewing angle of a standard laptop. In our own testing, we had one person sitting in the correct distance and angle and four bystanders that were looking over the shoulder and still had the depth perception desired.

The third reason for starting with the demos is that most games are written for 2D displays even tough they are supposedly 3D. Similar as when looking through 3D glasses, most current games have only so-la-la 3D effects.

Game adjustments

One thing was rather interesting, that is the level of z-depth within the different gaming applications. The Elsa drivers provide a tool that automatically measures the z-level depth that has been used in the coding of the game. Even without the tool, it is possible to see whether adjustments are necessary because wrong z-depth information will result in ghost of the objects displayed. The adjustment works as follows:

• press the asterisk key in the numeric keypad on the right of the keyboard (Shift+8 will not work)
• this will bring up the ELSA z-level measuring tool and the option menu.
• Most relevant are the F7 and F8 keys to adjust the parallax mistake and to join ghosted images into a single solid object.
• Depending on the spread of the z-level, this may result in loss of 3D functionality (not a fault of the display, though)

Screenshots

Sort of a screenshot

There is a very simple reason not to include screenshots, it would be like trying to demonstrate color on a black and white display. Instead I am trying to use Guinea Pig Reactions instead.

Guinea Pig Reactions

The one common reaction among all used as guinea pigs for testing the 2015XLS Virtual Window was that they spontaneously reached out, trying to grab the objects that appeared to hover in front of the display. The names of the subjects used are withheld for privacy reasons but the group included over 35 individuals with one single person being less impressed than everyone else. The effect was most pronounced with the demos provided and less with 3D games.

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