Have you ever thought how google maps work powered by DoDigital
Posted: Nov 01, 2017
Google Maps has been a staple of the internet for over a decade, but few actually know how this works. For the rest of us, Google Maps is practically one step away from magic.
For example, how does Google create accurate maps for so many different regions? How can you gather so much data about much of the world? Who works to keep the maps kept and updated? What about real-time traffic conditions, temporary speed limits and hours of operation for neighboring businesses - an internet clamp for more than a decade, but few actually know how this works. For the rest of us, Google Maps is practically one step away from magic.
For example, how does Google create accurate maps for so many different regions? How can you gather so much data about much of the world? Who works to keep the maps kept and updated? What about real-time traffic conditions, temporary speed limits and hours of operation for nearby companies?
Somehow, all these complex features work very well, which is why many of us have come to rely on Google Maps for daily navigation. So, is not it time we learned how everything works? Keep reading to see the magic behind the curtain.
Google Maps is a "communication tool" now. Let's examine the benefits - some new and some old ones - that can help us understand the world around us.
Why did Google launch Maps?
Google's public mission is to "organize the world's information and make it universally accessible and useful." Many, but not all, of the company's current projects, focus on this mission - a mission that relies on gathering, organizing, and interpreting millions of gigabytes of data.
But the information that Google is trying to organize is not just online. A lot of this is offline. Speaking to the Atlantic, Manic Gupta, senior manager of Google Maps products, said: "More and more throughout our lives, we are trying to bridge that gap between what we see in the real world and [the online world] and Google Maps really plays that part.
Google maps example:
On a very basic level, Google Maps took a lot of information offline and posted it online. We're talking about things like road networks, road signs, street names and trade names. But as I suggest below, Google hopes that Maps can do much more in the future.
Data collection for Google Maps:
When it comes to collecting data to help maintain and improve Google Maps, it seems like there can never be enough - and the unimpressive is that none of this information is more than three years old. This is a large scale project.
To help with this venture, Google associates with "the most comprehensive data sources and authorized" through its Map Base Partner Program. A large number of agencies send detailed vector data to Google, and these agencies include the Forest Service the USDA, the US National Parks Service, the US Geological Survey, various councils of cities and counties, and so on.
This data is used to mark the change of borders and waterways, show new bike paths, among other things, and it helps to keep the "base map" as current as possible.
Google Street View is an endless road trip. With a huge squad of vehicles scattered across the planet, your goal is repeatedly driving all accessible roads that can find - as they take 360-degree photos everywhere they go.
Example of Google Street View:
Based on the GPS coordinates of these vehicles, Google outperforms your Street View images on top of your base map. Street View offers much more than just a seamed panorama of streets and destinations. Using Optical Character Recognition (OCR) capabilities, Google can "read" things like traffic signs, road signs and trade names.
These additional readings are processed and transformed into navigational and directional data that Maps can incorporate into your database. If the name of a road has changed since the last time it was photographed, a more recent Street View photo will detect this. This is also (in part) how Google has built its huge database of local business details.
Another layer of Google Maps is your satellite view. This is a close collaboration with Google Earth, combining high-resolution photographs of the planet taken by the satellites above.
These images are verified with other data layers, such as Street View, as well as data sent by external agencies. This helps Maps to remove geological changes, new and altered buildings, etc. Location Services There is not much information available on how exactly Google uses mobile location services to keep Google Maps up-to-date, but it clearly plays a major role. Google Map Maps Yes, that’s right: If Google has access to location data collected by your smartphone, you're part of Google's crowdsourcing operation to improve accuracy.
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