![]() Today, this process is largely automated as tech giants such as Bing, Google and Apple, use algorithms that grab satellite data and ground measurements from a variety of datasets to keep maps updated - meaning that they can usurp state topographical organisations. Then, when flight became more common, topographical services began the practice of photogrammetry, where stereo images - image pairs that are slightly offset from each other - were compared using a stereoscope which then informed the creation of a topographic map. ![]() In a pre-digital era, map surveyors would have been out on foot taking measurements and recording where things were in particular locations, which were then relayed to a map draughtsperson - usually part of a state topographical service. Search for the Address Where You Want to See a. If this is the first time you’ve opened it, you’ll see a satellite image composite of the Earth with menus and tools around the sides of the screen, with a Start-up Tips box blocking the middle of the screen. To begin to understand what prompts people to hide things on digital maps, it pays to take a step back to understand how cartography happens today. Launch Google Earth Pro (or Google Earth). Live View availability Your device must be compatible with ARKit/ARCore. Prior to GPS, illustration and aerial photography provided the bulk of cartographic information. Use Live View on Google Maps Discover and navigate places in the real world with the help of Live View.
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