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Altered reality showdown

Virtual Reality

Altered reality showdown

Are virtual reality and mixed reality two technologies vying for the same space in the AEC industry? Or can they coexist?


By David Malone, Associate Editor | March 9, 2017

Collaboration is a hallmark of mixed reality. Through the use of software such as Trimble’s SketchUp Viewer for HoloLens, MR allows multiple designers to view and work on the same digital model, highlight or enlarge areas of importance, and collaborate in the same room or from across the country. Architects and contractors no longer need to rely on static, 2D drawings. They can now visualize design data within the real environment. Courtesy Trimble.

This town ain’t big enough for the both of us. It’s a trope that stirs up images of two rough, tough cowboys on opposite sides of the law squaring off in a small tinderbox of a town. Only one cowpoke will be left standing, sometimes leaving the town itself in fuliginous ruin.

Nowadays, the saying might apply more readily to head-to-head battles between Uber and Lyft, iPhone and Galaxy, DC and Marvel—or, in this case, virtual reality and its new challenger, mixed reality, with the AEC industry acting as the too-small town.

Both VR and MR are in their fledgling states, so can we really say this AEC town isn’t big enough for both of them yet? Virtual reality, which completely immerses the user in a fake, virtual world by eliminating all external stimuli, has certainly secured more of a foothold in the industry to this point. Many firms around the country have already begun to integrate the technology into their daily workflow with alacrity. It has been touted as a way to win clients and save money and time.

What about mixed reality, though? Where VR creates a completely new digital world, MR devices, such as the Microsoft HoloLens, merge the real world with the digital world and allow real and digital objects to exist and interact in real time. A digital object in MR wants you to believe it is real. It gets bigger as you walk closer, and smaller as you walk away. Its shape changes depending on the angle you view it from. It is a digital creation anchored to the real world. 

Augmented reality also combines the digital and real worlds, but it differs from MR in that it doesn’t matter if the digital and the real worlds fit together. Think of AR as the digital representation of a transparent overlay often used in military operations to display supplemental information on a map.

The reason this mysterious stranger known as MR excites so many as it saunters into town is because it represents a sweet spot between VR and AR—virtual objects that appear real without completely severing the tethers holding the user to the real world. 

Tim Sweeney, Founder/CEO at Epic Games, has been quoted numerous times saying he believes augmented reality (AR) and MR—not VR—will eventually be the “device for a billion users,” at least some of whom will be working within the AEC industry. 

Aviad Almagor, Director of the Mixed Reality Program at Trimble, certainly believes in the future of MR. He calls VR “a limited technology” that can only address “a limited range of use cases.” The main benefit MR has over VR is that it merges reality and virtuality, and allows users to experience the best of both worlds.

“With MR, the physical and digital worlds are merged,” says Almagor. “Users can move along the reality-virtuality continuum, playing with the mix of digital and physical as needed. It is a much more rewarding technology with endless number of use cases.”

One of the main reasons VR has gotten a head start over MR is not because MR is less useful, but because it uses more complicated software and hardware.

MR has proven useful in helping architects simplify the design process. The Microsoft HoloLens played an integral role in the reimagining of the Packard Plant, a half-mile-long abandoned automobile plant in Detroit, as part of the 2016 Venice Biennale. The project’s design architect, Greg Lynn, believes MR is vastly more interesting than VR.  

“I have been looking at integrating VR into my creative workflow for a very long time, more than 25 years, and have never been excited about it,” says Lynn, Founder of design studio Form and a Professor at UCLA’s Architecture and Urban Design school. “The minute I used a Google Tango tablet with analytics and diagrams locked to a physical model, I was hooked on MR.”

For the Packard Plant project, MR allowed Lynn to get inside the proposed space and helped him better envision a site and a building that was 2,300 miles away. He was able to take digital representations of buildings he was familiar with, scale them down, and then compare them as a digital overlay on his physical model. Lynn used London’s Tate Modern art gallery as the comparison and discovered 12 of the art galleries could fit within the Packard Plant site. This helped him get an accurate idea of the size of the project and how to best use the massive space. 

 

Architect Greg Lynn compares digital scale models of the Tate Modern in London with his physical model of the Packard Plant site. HoloLens mixed reality technology helped Lynn determine that 12 Tate Moderns could fit in the Packard Plant, a comparison that gave him a better idea for how to best use the space. Courtesy Microsoft.

 

“I like to work with models, prototypes, and mockups,” says Lynn. “I am always wondering about scale, volume, and clearances, and am using MR to test elements like furniture, apertures, and views and distances in real scale.”

Lynn has also used MR in the design of a factory in Northern Italy and to pre-visualize scale and access in and out of buildings for Gita, the recently announced personal cargo droid project he is spearheading. 

There is no shortage of projects Lynn believes MR can improve. “It is inevitable that MR will have a huge impact on the way design and engineering is practiced and transmitted to fabricators and builders,” he says.

 

 MR allowed Lynn to make decisions about how to best use the space the Packard Plant provided three to four months earlier than without the technology. Courtesy Microsoft.

 

Embracing the means of destruction?

But what about our scenario, where one gunfighter is left standing but the town is destroyed? Is that a possible outcome of the VR vs. MR battle? 

Owen Hopkins, an architectural writer, historian, and curator, believes so, though not as a result of a battle, but due to the technology itself. In a recent opinion piece posted to Dezeen, Hopkins fears AR could essentially eliminate the need for innovative architecture and, subsequently, architects. “Why spend money on an elegant façade or an expensive material when it can be created far more cheaply as an AR digital overlay?” he wonders. 

Almagor believes these questions to be born of Bradburian skepticism of technology. “Fear always accompanies new technology,” says Almagor. “Those who will learn how to harness the technology to their needs will benefit the most.”

Which means that if the technology is properly harnessed, architecture as a medium will not vanish at the hands of VR or MR, but will use the technology to evolve into something more spectacular.

Lynn agrees with Almagor’s sentiment. “I remember 20 years ago people telling me the computer will never take off with architects, and if it did it would pose countless threats to architecture. In the end, it was adopted rapidly.”

 

Is ‘shared reality’ next?

As if VR, AR, and MR weren’t enough, alternative technologies are starting to come on the scene. The latest: “shared reality.” 

A student at the Rochester Institute of Technology has created HoloViveObserver, an app that allows the HoloLens and the HTC Vive to enter a shared reality in which HoloLens users can see, in the real world, what the Vive users are creating in the virtual world.

It is a simple and relatively rudimentary application, but it shows the possibilities of shared reality. Both technologies claim collaboration as a key feature. A shared reality between VR and MR would not only expand the range of technological possibilities available to the AEC industry, but also propel the type of around-the-world collaboration these technologies hope to enable.

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