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Question about the accuracy of this YouTube video w.r.t. Hololens
Hi all, I'm a software developer interested in 3-d. I got very excited about Hololens when I saw this YouTube video where someone says he ported a Mario Bros game using Hololens
https://www.youtube.com/watch?v=wEc70IsXzF8&feature=share
After reading some of this forum I'm now questioning the veracity of two aspects of the video. I've included a screen shot that illustrates my two questions.
- Is the FOV that is represented here accurate? This looks like 90 degrees or more. The discussions that I've seen here said the FOV was very small.
- The objects are opaque. What I've read here says that objects are transparent.
Thank you,
john
Best Answer
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james_ashley
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He's streaming from the device, which creates a composite video that does look bigger and in which the objects are more opaque. This is normal.
Here's two strange things about the hololens: if you are moving around alot, you don't really notice the field of view because you're constantly looking around and your brain is stitching together a image of the world that is actually much bigger than 90 degrees. It's only when you are at relative rest that the FOV becomes really noticeable. Second, the images are definitely semi-transparent but, again, due to optical illusions, your brain will tend to interpret them as solid. You have to really concentrate to see that they aren't.
Basically, you really need to find a way to try the device out for yourself. The criticisms you read are valid, but also miss important aspects of the subjective experience.
James Ashley
VS 2017 v5.3.3, Unity 2017.3.0f3, MRTK 2017.1.2, W10 17063
Microsoft MVP, Freelance HoloLens/MR Developer
www.imaginativeuniversal.com5
Answers
He's streaming from the device, which creates a composite video that does look bigger and in which the objects are more opaque. This is normal.
Here's two strange things about the hololens: if you are moving around alot, you don't really notice the field of view because you're constantly looking around and your brain is stitching together a image of the world that is actually much bigger than 90 degrees. It's only when you are at relative rest that the FOV becomes really noticeable. Second, the images are definitely semi-transparent but, again, due to optical illusions, your brain will tend to interpret them as solid. You have to really concentrate to see that they aren't.
Basically, you really need to find a way to try the device out for yourself. The criticisms you read are valid, but also miss important aspects of the subjective experience.
James Ashley
VS 2017 v5.3.3, Unity 2017.3.0f3, MRTK 2017.1.2, W10 17063
Microsoft MVP, Freelance HoloLens/MR Developer
www.imaginativeuniversal.com
Thank you for your response!
I wasn't trying to be critical, just clarifying. I'm very interested in the device but the differences between what was being shown and what I read were large enough to check in to see what the situation was. I lust for the device ;-)