Microsoft's HoloLens Gets Jerry-Rigged 'Spectator View'

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Jeff Fx

Jan 2, 2015
It looks like they're trying to exaggerate the field of view on HoloLens again like in the TV demos. The reality is very disappointing to people who fell for the advertising.


Depends on the point of the visualization. If it's intended to simulate the experience of wearing it, then you're right.

But, if you simply want to show the synthetic elements of the scene, then there's no reason to restrict the visualization, based on the capabilities & constraints of another device.


Apr 3, 2001

It's first-gen dev hardware anyway. In the second generation of hardware, I would bet things like FoV improves. Hopefully they can also work on making spectator mode easier to implement, though I imagine that's not really high on the priority list when a consumer version isn't on the market yet.


Jan 3, 2011
Jerry-rigged is perfectly correct. I always understood it as being derived from World War 2 for the hastily repaired and inevitably abandoned German equipment allies would come across as they advanced. Googling it does seem like the origin is actually much more ambiguous and, unbeknownst to me, jury-rigged apparently is a more popular version today in the states and media anyway. Not sure why since a "rigged jury" doesn't sound like something put together from a bunch of random pieces on the fly which I believe is what the author is alluding to here.

Yep, going by the top answer here, it sounds like jerry-rigged is actually most likely a play on the terms jury-rigged and jerry-built. In short, jury-rigging does not mean anything related to manipulating a court jury, but rather originally referred to rigging a "jury sail" on a boat, which was a temporary makeshift mast or sail used for repairs, and as such, jury-rigging can refer to putting something together out of makeshift parts. Jerry-built, on the other hand, refers to something that is poorly constructed, with the origin being a bit more vague. Jerry-rigging then would combine the two, and refer to something that was not only put together using makeshift materials, but also not structurally sound. Really, there's a fair amount of overlap between the terms, and both are probably used more or less interchangeably now.

According to Google, it finds 274,000 page results for "jury-rigged", and 184,000 for "jerry-rigged", so both terms apparently see a similar amount of use.

For the first usage scenario described in Microsoft's video, they say...

"To showcase your app in the Windows store, or on social media, spectator view allows you to take still photos of your mixed reality scene. And because the photo will be taken with a high-quality camera, it will be a more realistic representation of what HoloLens users will see."

More realistic, if we ignore that the device has a rather narrow field of view for its displays. Using the lava example they were depicting, it would look much less immersive in the actual device than what was shown there. Instead of seeing the room filled with lava, you would see a clipped off rectangle of lava in front of you, with bare floor all around the edges. I suppose it's reasonable to depict an experience that way, though there really should be a disclaimer about the field of view. I doubt we'll see a massive FOV improvement in the second generation hardware either, at least not without making the device bulkier. And I already suspect that many people will consider it a bit too bulky for long-term use as it is.
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