An Explainer on Map Tile Grids and Zoom Levels | Hacker Noon

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'An Explainer on Map Tile Grids & Zoom Levels' by tomtomdevs maps mapping

allow zoom levels that range from 0 through 20. Vector maps include two additional levels of zoom: 21 and 22.With each increment of zoom level, every tile is divided into four equally sized tiles. The result is a map that is four times as large with a similar increase in detail.

Until this point, we’ve focused on understanding how the size of the map and the number of tiles increase with zoom level. Next, we’ll consider how the level of detail also increases with zoom level. By the time we reach zoom level 17, the Empire State Building occupies a considerable portion of a single tile. With further zooming to level 18, multiple tiles are required to represent the building.

For example, using the TomTom Maps SDK for Web, we can find the position of the Empire State Building by writing code for a simple search like the following.

 

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