the beauty of mapping


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Tuesday, April 20, 2021

Maps Of The Week


Last calendar week Mapbox revealed their novel extrusion properties for information layers inwards Mapbox GL JS. These novel extrusion properties allow you lot to practice 3d buildings (extruding buildings past times their number of floors) or other 3d information visualizations on a map using your ain information layers.

Robert White has already used Mapbox's novel 3d buildings pick to practice this impressive Vancouver Zoning Map. Robert's map non exclusively has 3d buildings only likewise uses data styling to color those buildings together with other map features to present Vancouver's distinct metropolis zones.

Using the map you lot tin explore how & where Vancouver uses zoning inside the city. You tin likewise meet how this zoning has an termination on the edifice heights inwards Vancouver's neighborhoods.


Andy Woodruff has invented a variety of hydrodynamics physics engine for interactive maps. It allows him to practice an animated map which visualizes H2O drainage menstruum for whatever place on Earth.

In the Rain on the Terrain Andy tries to response the enquiry of where H2O would menstruum if you lot poured it over the terrain at whatever place on the planet. His solution is essentially to role elevation information to honour the lowest following place for whatever given location. Drop about H2O at this place together with it volition honour the path of to the lowest degree resistance together with motility to the following place alongside the lowest elevation.

Repeat this procedure together with you lot tin plot a long path of the to the lowest degree resistance, moving downhill. If you lot thence animate a polyline along this path you lot tin practice a map of flowing rivers. Andy's map allows you lot to visualize the animated menstruum map of drainage for whatever place on globe (based on his uncomplicated algorithm). The map likewise includes about quick links to zoom the map to a number of locations alongside interesting terrain.


Recently National Geographic has started using Leaflet.js to render interactive versions of the beautiful supplemental posters issued alongside each months National Geographic magazine. The September poster, exploring life inwards the Pacific Ocean off British Columbia, is available to thought inwards the British Columbia Supplement.

The Oct impress edition of the National Geographic includes a double sided poster nearly Colonizing Mars. The fine art side of the poster depicts a possible human colony on the ruby planet. It explains about of the technical difficulties which would last faced inwards establishing a Mars colony together with shows what such a colony mightiness await like.

The map side of the poster is a novel map of Mars based on imagery together with information from NASA's most recent missions to the planet. If you lot are interested inwards maps of Mars you lot mightiness likewise relish National Geographic's article on the history of mapping the planet, What Mars Maps Got Right (and Wrong) Through Time.