the beauty of mapping


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Wednesday, October 13, 2021

Neon Maps


NYC Taxi Tiles is a map of 2013 New York City taxi data. The information for the map was obtained through a FOIL asking (you tin flame read the interesting story behind the asking here). The bluish dots on the map stand upward for pick-up points too the xanthous points present drop-off points.

I've been seeing a lot of these 'neon' fashion maps lately. These maps part some mutual features, such equally nighttime or grey-scale map tiles too the information overlaid alongside lighter dots or lines. The refer of this detail map provides a clue equally to how these maps are created - alongside the information processed too added to the actual map tiles rather than beingness added inwards the browser.


It should hold upward possible to charge smaller amounts of information to the map inwards the browser. I similar this Moscow Hills OpenStreetMap of Moscow, using slope colored roads to present meridian levels throughout the city. As good equally using the color of the roads equally a guide y'all tin flame mouse-over whatsoever betoken on a route to thought the meridian at that point.

I mean value 1 time again the information is genuinely a usage of the map tiles rather than beingness overlaid on function past times of the map. Theoretically nonetheless y'all could usage the Google Maps API too the Elevation Service to create a map alongside the information beingness loaded inwards the browser. In fact it should hold upward fairly uncomplicated to describe a slope polyline along a route using the Stroke Style characteristic alongside the Google Maps SDK for iOS. Unfortunately gradient polylines get got yet to hold upward added to the Maps JavaScript API.


The Strava Global Heatmap is a genuinely informative Google Map of where joggers similar to run too where cyclists dearest to ride. The map allows y'all to thought the close pop running too cycling routes past times Strava users across the world.

The unlike colored neon lines (for the unlike Strava activities) seem to hold upward added equally map tile overlays. It makes feel to pre-process the information inwards this means rather that endeavour to generate millions of information points inwards the browser.


Mapbox has created a similar map using Runkeeper data. This map shows 1.5 1000000 walks, runs, too wheel rides undertaken past times Runkeeper users.

The 1.5 Million Walks, Runs, too Bike Rides map includes some quick links to jump to the map of a few major cities around the globe only y'all tin flame pan too zoom the map to thought the pop running routes at whatsoever place inwards the world.

1.5 millions tracks is a lot of information for the browser to process. With this sum of information it seems mutual feel to create map tiles alongside the information too create a mapped visualization alongside your custom mapped tiles.