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Die größten Skigebiete pro Kontinent

Each ski area is defined by something like an alpha shape, calculated over all the lifts and slopes. Each “alpha shape” -like area is calculated by first creating a Delaunay triangulation of all ski lift and slope waypoints. Every triangle which has a side greater than 1km is then removed. The result is a set of disconnected shapes all composed of multiple triangles. Each aggregation of triangles is what I consider a ski area.
— @pkerpedjiev
 Quelle:  Empty Pipes

Quelle: Empty Pipes

Passend zum Wintereinbruch eine schöne, interaktive Visualisierung der größten Skigebiete pro Kontinent. Sehr interessant ist auch das beschriebene Vorgehen um die Grafiken in d3.js und leaflet zu erstellen.

Source: http://emptypipes.org/largest-ski-areas/