back to article Start-up pitches low-cost no-glasses 3D for iPad

Want to view 3D content on your iDevice without having to wear specs? US-based GRilli3D claims it has the technology to make it so. The secret is a "simple and inexpensive plastic film" which sticks to the front of your iPad or iPhone - and presumably other devices too - and, according to GRilli3D, "interpose a series of ' …

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This should attract dirt and crud...

and not just fart apps and porn. All lenticular surfaces are good at retaining grease and dust so a touchscreen could become a veritable plague pit.

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WTF?

Try Reading...

... the article. It's not lenticular. It works in a different way - more like the forthcoming Nintendo 3DS' 3D screen.

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It'd be good for games though I reckon.

Producing stereoscopic images in photoshop would be right pfaff, but some kind of depth rendering based on z-index (or its equivalent) shouldn't be too hard?

...

Step 3: Profit!

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Go

"Seems like a lot of faff to us, just to be able to see something in stereo 3D"

Yes, but when it's this easy to get it working (apply film over top of LCD then put capacitive touchscreen and glass cover over the top of that) you can start making phones with dual-camera functionality.

So you've then got proper autostereoscopic photographs and you're able to display them in true 3D. With modern ultra-fast mobile processors this means phones will be easily capable of augmented reality- say, playing Quake with your phone as a way of seeing enemies and so on.

Create a Kinect-style IR projector system (which can't exactly be impossible- smartphones already have advanced DSPs and GPUs on-board) and you could even position the enemies in the real world- having them hide round the corner of buildings, that sort of thing.

All thanks to autostereoscope being nice and easy.

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Won't be easy to apply.

I could see professional signmakers and vinyl wrappers having difficulty getting this thing aligned to pixel-perfect precision, let alone Joe and Jane Public. That's without considering things like bubbles and creases. Still, as something fitted by the manufacturer I could see lenticular and similar no-glasses 3D working quite well. We'll see how well next year when Ninty goes all 3DS on us.

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Best way to do it...

..would be to build the film into a iDevice hard case - that way it would be aligned and positioned correctly and removable when not required.

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Orientation issue?

Can it really cope with the device being rotated for portrait to landscape?

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FAIL

Deja vu, all over again

This film reminds of the early days of colour TV when hucksters used to sell colour 'conversion' kits to gullible owners of black and white TV's.

The conversion kit was simply a film that had a band of sky blue at the top that faded into the transparent film colour and a band of green that darkened towards the bottom edge.

The theory was most scenes were bluish at the top and greenish at the bottom - which worked well for cowboy movies. The scam artists selling these kits, from P.O. Boxes in NYC, made a killing.

Still these films for tThingies will serve a purpose: either stopping the glass from getting scratched or, in case of breakage, minimising harm to the iPhan.

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One of the problems...

It only works in one orientation, of course. Turn your device sideways, you lose the 3D.

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$30 is not cheap!

$30 is not cheap for a piece of plastic with some parallel lines printed on it. You can probably do it with most good laser printers.

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Anonymous Coward

Another problem

Is that your fondle slab loses half it's resolution once it's applied.

Effectively, in 3D mode the resolution will become 512x768.

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