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posted by Fnord666 on Saturday August 22 2020, @02:58PM   Printer-friendly
from the build^W-fake-it-and-they-will-come? dept.

Microsoft Flight Simulator's Data Insanity Spawns Enormous Buildings And Anomalies From OpenStreetMap:

The OpenStreetMap project is an excellent example of how powerful crowdsourced data can be, but that's not to say the system is perfect. Invalid data, added intentionally or otherwise, can sometimes slip through the cracks and lead to some interesting problems. A fact that developers Asobo Studio are becoming keenly aware of as players explore their recently released Microsoft Flight Simulator 2020.

Like a Wiki, users can update OpenStreetMap and about a year ago, user nathanwright120 marked a 2 story building near Melbourne, Australia as having an incredible 212 floors[*] (we think it's this commit). The rest of his edits seem legitimate enough, so it's a safe bet that it was simply a typo made in haste. The sort of thing that could happen to anyone. Not long after, thanks to the beauty of open source, another user picked up on the error and got it fixed up.

But not before some script written by Asobo Studio went through [and] sucked up the OpenStreetMap data for Australia and implemented it into their virtual recreation of the planet. The result is that the hotly anticipated flight simulator now features a majestic structure in the Melbourne skyline [Tweet] that rises far above...everything.

The whole thing is great fun, and honestly, players probably wouldn't even mind if it got left in as a Easter egg. It's certainly providing them with some free publicity; in the video below you can see a player by the name of Conor O'Kane land his aircraft on the dizzying edifice, a feat which has earned him nearly 100,000 views in just a few days.

[*] By way of comparison, the tallest building in the world — the Burj Khalifa — has 163 floors. This "Tower of Melbourne" exceeds that record by nearly 50 floors!

There are links to a YouTube video: Landing on the Melbourne Citadel in Microsoft Flight Simulator (06:30) and also to a Redit thread Found the Wall in the North.

It's a great article that considers the challenges of validating user-sourced data — well worth the quick read!

Which leads me to ask: what glaring data errors have you encountered, user-sourced or otherwise?

Previously:
(2020-08-02) How Microsoft Flight Simulator Returned to the Skies


Original Submission

 
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  • (Score: 4, Informative) by Runaway1956 on Saturday August 22 2020, @04:21PM (7 children)

    by Runaway1956 (2926) Subscriber Badge on Saturday August 22 2020, @04:21PM (#1040437) Journal

    When I was driving truck, I tried them all. Streets that don't exist, streets that only existed on city plans, streets that had been abandoned and returned to private ownership, streets that existed, but weren't on the map. For the most part, it was only inside of city limits. Rural roads, highways, were pretty accurate across all applications that I tried. But city streets? Forget it.

    I can't say what state they are in today, since I no longer drive for a living, but 20 years ago they were all suspect.

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  • (Score: 3, Interesting) by Thexalon on Saturday August 22 2020, @04:48PM (6 children)

    by Thexalon (636) on Saturday August 22 2020, @04:48PM (#1040445)

    That's on purpose: Mapping companies put those things in to help catch people that are violating copyright by copying their data.

    --
    The only thing that stops a bad guy with a compiler is a good guy with a compiler.
    • (Score: 2) by Runaway1956 on Saturday August 22 2020, @04:59PM (4 children)

      by Runaway1956 (2926) Subscriber Badge on Saturday August 22 2020, @04:59PM (#1040453) Journal

      I've heard that claim before. But it certainly doesn't help people navigating a city/neighborhood that they are unfamiliar with.

      • (Score: 4, Informative) by Thexalon on Saturday August 22 2020, @05:19PM (3 children)

        by Thexalon (636) on Saturday August 22 2020, @05:19PM (#1040462)

        It's more than just a claim: The industry term for it is trap streets [theweek.com].

        --
        The only thing that stops a bad guy with a compiler is a good guy with a compiler.
        • (Score: 3, Interesting) by Rosco P. Coltrane on Saturday August 22 2020, @06:38PM (2 children)

          by Rosco P. Coltrane (4757) on Saturday August 22 2020, @06:38PM (#1040489)

          Why would OSM include trap streets though? There's nothing to steal from them in the first place...

          • (Score: 1, Informative) by Anonymous Coward on Saturday August 22 2020, @07:04PM

            by Anonymous Coward on Saturday August 22 2020, @07:04PM (#1040494)

            Why would OSM include trap streets though? There's nothing to steal from them in the first place...

            They don't, but there are a few incompetent mappers whose changes are there until some more competent mapper corrects them. There are also a few of what I call vanity mappers who like to add what seem to be details for their own personal use. If they don't cause undue clutter or distraction they're best ignored.

          • (Score: 2) by All Your Lawn Are Belong To Us on Monday August 24 2020, @04:40PM

            by All Your Lawn Are Belong To Us (6553) on Monday August 24 2020, @04:40PM (#1041172) Journal

            Same way trap recipes become published on the internet... Because a contributor contributed the incorrect data from a trap source, perhaps.

            --
            This sig for rent.
    • (Score: 0) by Anonymous Coward on Saturday August 22 2020, @07:38PM

      by Anonymous Coward on Saturday August 22 2020, @07:38PM (#1040500)

      That's on purpose: Mapping companies put those things in to help catch people that are violating copyright by copying their data.

      Yes, there are canary edits used to track copyright infringement.

      But most of the errors are the simple result of the fact that the locality changes things around on the road network and never bothers to inform any of the mapping companies (or update OpenStreetMap) with the changes they made.

      At least with OpenStreetMap, if you have active mappers in your area, the changes will eventually be noticed and fed into the OSM data.

      But with the commercial mapping companies, the latency from change made by locality to commercial mapping company making the corresponding change in their data-set can sometimes be years.

      Over time, the missing data accumulates until you get what the GP noticed, they are all out of date, all contain mistakes, and all can't be trusted 100%.

      But at least with the OpenStreetMap data, if you do nontice something has changed in the world but not in OSM, you can make the change in OSM yourself.