Sometimes I go past an old looking building or see some traces of old signage on a store and wonder what they used to be, especially when those traces are hard to read or obscured.

47 points
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I have good news: It exists! http://retrographer.org/

A lot of them are unrecognizable, but here’s an example of a good one: http://retrographer.org/photos/4215

The bad news is that’s a bit limited. It was the senior project of a CMU student in 2010. It only exists for Pittsburgh, Pennsylvania. If you wanted to make one for another city, though, I think you could contact the creator, ask for the code, and then recruit people to get a ton of photos from another city’s historical institutions, and then crowdsource geotagging them (which is what the guy did).

http://retrographer.org/learnMore

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23 points

This should be a Google maps feature, how cool would that be.

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14 points

Isn’t it? I get peoples photos occasionally in place of Street View for certain locations.

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Doesn’t Maps or Google Earth have a time-line for places now? Thought it started 4 or 5 years ago, so it’s not everywhere yet.

Though I think that’s just fairly recent images and such. Maybe it permits us submitting really old info/photos?

You could probably set this up on a shared map, getting people to help/contribute/not be a troll would be the challenge.

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3 points

Out of all the things to be a troll with…this one just seems too niche to be fun. Maybe I’d be wrong as the feature got more popular. I could see someone making a photoshop of the road layout being a penis. But until theres a sizeable userbase to see it, I don’t see it being worth the effort for them.

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3 points

The desktop version of Earth has had it since the early 2010s if not earlier, I remember messing around with it while being taught how to use the measuring tools in a geography lesson, tbf that’s only for maps though not street view

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3 points

Yep, when in street view you can look at old street views. It’ll be cool in 20 years when the changes will be more apparent

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4 points

On Google earth pro you can also look at older versions of the satellite maps, which is also very cool

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1 point

Thay’s what I was thinking. Google maps/street view only goes back to the late 00s, but I’d like to go back as far as the early 20th century if not earlier

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4 points

Though, not the same thing. I really like the Dutch implementation for their old maps: https://topotijdreis.nl

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4 points
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If I remember correctly, Microsoft experimented with something like this years ago. I tried to find a link but no luck. As I recall it focused on stitching together user-uploaded photos to create a panoramic view of a location over time.

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3 points
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Also mapillary.com :)

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