BYU’s 3D virtual reality system much cheaper, just as effective as others
It’s like a scene from a gamer’s wildest dreams: 12 high-definition, 55-inch 3D televisions all connected to a computer capable of supporting high-end, graphics-intensive gaming.
On the massive screen, images are controlled by a Wii remote that interacts with a Kinnect-like Bluetooth device (called SmartTrack), while 3D glasses worn by the user create dizzying added dimensions.
But this real-life, computer-powered mega TV is not for gaming. It’s for engineering.
Welcome to Brigham Young University’s VuePod, a 3D immersive visualization environment run by BYU’s Department of Civil and Environmental Engineering. Student-built and operated, under the supervision of civil engineering professor Dan Ames, the VuePod is changing the way engineers are viewing environmental engineering challenges.
“This is gold,” said fellow BYU civil engineering professor Kevin Franke. “This technology has the ability to revolutionize my job as an earthquake engineer.”
That’s because the VuePod allows users to virtually fly over, wander through or hover above 3D environments that are otherwise difficult to visit. The images are created by point data from aircraft equipped with LIDAR (think RADAR, but with lasers). The LIDAR scans the landscape and records millions of data points that are then viewed as an image on the VuePod. Point data can also be created from stitched-together photographs taken from low-cost drones, which is Franke’s research focus.
One set of data currently available for study in the VuePod captured a canyon area beneath a plateau in southern Idaho. With 3D glasses and the Wii controller, a user can virtually drop down into the canyon from above, and then fly from one end to the other.
As cool as it is to fly through a canyon, the real engineering application comes in when you combine two sets of data for the same canyon, taken five years a part. With the second set of data, changes in the natural landscape that are invisible to the human eye become clear as day. Thanks to the VuePod’s massive 108-square-foot screen, all of the image-making data can be presented for viewing.
“Our eyes and our brains are so amazing; we need to take full advantage of them,” Ames said. “That’s the value of this project: we’re presenting more information for the human eyes to detect changes.”
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