On the same engagement every bit Germany's recent full general election Berliners too got to vote on whether to larn ahead amongst the planned closure of the city's Tegel Airport. The Berliner Morgenpost's interactive map of the plebiscite results got swamped a piddling past times all the German Election maps.
The Tegel Volksentscheid 2017 interactive map shows yous how many people voted 'yes' or 'no' inwards each electoral ward. The map includes an overlay which shows yous the areas which prevarication nether the primary flight-paths for planes landing as well as taking off from Tegel Airport. That overlay is annotated on the map amongst a peachy 'swoopy arrow'.
Of cast yous actually don't assist nearly the hereafter of Berlin's airports. All yous desire to know is how the Berliner Morgenpost created that swoopy arrow pointing from the 'Tegel-Einflugschneise' label to the flight-path overlay on the map. Luckily for yous the paper has released the code for Leaflet-swoopy every bit a plugin for Leaflet.js. You tin plough over the sack notice the plugin as well as documentation on Webkid's blog.
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