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Depth Misconception: The problems with 3D



Ubisoft's Head of UK Marketing, Murray Pannel, this week expressed his view that it will take just three years for 3D televisions to become the new standard. Source here. This forecast seems over-ambitious, not least as HD televisions have been commercially available since 2005 and by all accounts have yet to be taken up by a majority of television-owning households.

It's possible that Mr. Pannel's belief in the technology's market potential is driven not only by the the public's enthusiastic reception to James Cameron's Avatar, which pioneered the latest version of the technology in cinemas, but also how it offers viewers a genuine evolution in the way they interact with their televisions. I can see that to a lot of low or middle income families, or even those less technically minded, upgrading to HD resolution wouldn't be seen as either offering any significantly more substantial improvements over a standard definition set – thinking back to the launch of the DVD, its bid to supplant VHS was augmented not only by improved picture quality, but also scene selection and extra content on a format both compact and reliable - something the technology's predecessor (the laser-disc) definitely wasn't. Offering viewers better picture resolution wasn't exactly a new concept either: the difference was scarcely greater than upgrading from a cheap old SD television to an expensive new one. While in a minority, I'm surely not the only person who also finds HD occasionally ugly to look at, making artificially sharp things that in life (such as shadows) are pleasantly muted, as well as bringing out every grim pore on Adrian Chiles' sugar sack face.*

But while many 3D demonstrations, for both gaming and standard viewing, have been greeted by the public with enthusiasm, there doesn't seem to be any clamour for it to supplant the two-dimension experience. 2D films haven't seen any noticeable drop in income, even when a 3D alternative is offered, while even the prospect of 3D gaming has yet to truly excite that most technologically-driven of audiences. The revelation of Nintendo's 3DS at E3 got a lot of people salivating, but the discussion surrounding it seems as much focused on the broad library of games announced for the system (something Nintendo fans aren't used to) and the improved graphical abilities backing up the added depth. Even the absence of glasses, long considered the biggest barrier to 3D adoption, doesn't appear to have completely settled 3D in people's minds as the new standard for the gaming experience: news of Sony's 3D compatible games, albeit requiring both glasses and the purchase of a new television, fell largely on deaf ears.

The logical conclusion is that while people are happy to accept the technology as a side-dish to the standard 2D experience, they aren't all that thrilled by the prospect of it becoming the sole means through which screen-based entertainment can be enjoyed. Avatar represented the pinnacle of the technology at its release, yet respected critics such as the BBC's Mark Kermode (in his review of the film) declared themselves unconvinced of its ability to offer anything more than a visual gimmick.

Even assuming that the issue of needing glasses will eventually be overcome, there are a number of reasons why 3D will still struggle to make the impact Mr. Pannel expects. One of the most compelling is that the depth we see on 3D screens is simulated and draws attention to itself, whereas the depth our brains interpret on a 2D image seems more natural and realistic. Just as the visual styles of many modern ages age more in three years than many classic games do in ten, due to older, pixellated graphics relying on players making sense of their limited powers of representation through imaginative interpretation, the way 3D screens simulate depth only draws attention to its flaws, where our imaginations are able to make the acceptable best from the limitations of 2D. Given how rapidly computer technology has advanced in recent years yet is still unable to produce a perfect human face, it is hard to believe that tackling an issue as variable as the heights and distances required to produce realistic depth will be solved any quicker.

The difficulties of producing realistic depth also raises questions about whether the integration of 3D can compromise an image's artistic integrity. I greatly enjoyed Avatar in 3D, but the thought occurred of how much damage would be done by adding the effect to a film less reliant on CGI and spectacle, or worse still a classic by visual masters such as Sergio Leone or Francis Ford Coppola. Those directors layer their shots in the same way a painter does, on the rules of foreground, middle-ground and background. Broadly speaking, the foreground images represent the key figures of the painting or shot, the middle-ground gives them context and the background a sense of time and location. Although the natural assumption would be that 3D could greatly enhance these qualities, it is the stark division between these layers on a flat surface that allows the creator to guide the viewer's experience. By adding literal depth, distinguishing between where the foreground ends and the middle-ground begins becomes much harder, applying just as truthfully to the middle and back grounds. Great artists can change the way we interpret one layer through what we see immediately behind or in front of it, a deliberate and calculated artificiality using the limitations of a flat image to its advantage. While games aiming for 'realistic' graphical styles may end up enhanced by simulated depth (by removing our need to make imaginative interpretations of depth on-screen, the disparity between our minds projecting a real-life concept into a world of uncanny valley visuals is gone), those presenting more stylised visuals, such as killer7 and Okami, will surely only lose some of their impact: when was the last time you saw a Japanese sumi-e brush painting in three dimensions?

There's also the danger of the 3D effect being done badly. This can be seen in some of the films hurriedly retrofitted to take advantage of the technology in the wake of Avatar's success. Clash of the Titans (famous for its advertising slogan 'Also available in 2D') was lambasted by critics as unwatchable in its 3D form, so badly had the conversion been done. Many will argue that these deficiencies will be ironed out as the tech improves, but that doesn't take in account people's never-ending ability to use good tools badly. Do we really expect low-budget programming to produce the same quality of 3D images as a multi-million dollar drama? With 2D, directors may have to make budget cuts in getting their work to screen, but they're still painting on the same canvas as their more expensive brethren. When push comes to shove, would a strapped-for-cash producer choose to abandon his project altogether or save money by compromising the quality of his 3D?

For the gaming medium, where players are able to move around in the worlds being drawn in three dimensions, such misjudgments will become all the more noticeable. Already games seen from the first-person perspective can cause motion-sickness when there seems to be a conflict between layers of movement on a 2D screen: how much worse might this issue become when those movements are tracked across simulated depth as well? Plenty of people have already reported headaches from prolonged watching of 3D images, so walking around them isn't likely to help the situation.

Leaving aside the technical barriers still to be overcome, such as the requirement for glasses or a straight viewing angle, the problems with screen darkness and the fact that those with eye problems may not be able to view a 3D image at all, proof is still needed that the technology can provide a consistent experience with the same artistic strengths of 2D and no added health issues. Watching a 3D movie is fun and no doubt playing a 3D game is too, but once the wow factor has worn off, is the technology really offering anything better than that which is already on the market? I, for one, remain sceptical.

*For non-UK readers, Adrian Chiles is a particularly insufferable British television presenter. I'm not providing a picture, for you can no doubt discover his smug, slope-joweled visage on Google images without my becoming the one to impose such sights on the innocent eyes of the Destructoid readership.


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About Xander Markhamone of us since 3:08 PM on 02.07.2010

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I'm a 26-year old English writer, formerly known on the CBlogs as Xandaça. I've been an avid gamer since I was a wee lad, gripping a NES controller in my hands and comprehensively failing to get past those infuriating Hammer Bros on Level 8-3 of Super Mario Bros. I've stuck with Nintendo since then (not for any animosity towards the other console makers of course - Nintendo just make games I enjoy and have grown up with), apart from a brief sojourn with a Sony PlayStation, several woeful attempts to play Half-Life 2 using a laptop touchpad and sporadically wrangling a turn on my sister's beloved Sega Saturn.

In addition to burping out the occasional novel, I'm a passionate critic, writing reviews and articles of films, book and games for my school magazine and university newspaper, for which I created and edited its film section. In addition to starting up my own blog, covering television, games and movies, I am also a writer for Destructoid's cine-geek sister Flixist. While primarily a film geek, the evolution of the games industry over the course of its short lifetime has fascinated me and provided vast quantities of content for some incendiary pieces of work - perhaps a few more might spring up on here?

My Favourite Games of All Time (because who doesn't love having a few Of All Time lists?) are GoldenEye 007 (which I still play through at least once a year to remind me of its glories), Super Mario RPG: Legend of the Seven Stars, Gunstar Heroes, Super Mario Bros 3 (I don't know who told Shigsy Miyamoto-san that raccoons could fly, but I'll love them forever) and No More Heroes.

I hope you find great enjoyment in my many scribings, and please keep an eye out for upcoming news on my novel(s) and do pay a visit to my blog sometime. And yes, the Dtoid community's 'no copy and paste' rule will be fully respected!

Good gaming, everyone!