European Airports Core / Better structure

European Airports Core; structure; how to;

Based on the data from the paper A. Cardillo, J. Gómez-Gardeñes, M. Zanin, M. Romance, D. Papo, F. del Pozo, S. Boccaletti: Emergence of Network Features from Multiplexity, Scientific Reports 3, 1344 (2013).

Each airport is linked with the others from the core with at least 13 different companies.

A cube in the core 3D visualization represents a link/triple (ap1, ap2, co) - the airport ap1 is linked to the airport ap2 with a line provided by the company co. Lines provided by the same company are of the same color.

This is a 3D layout using X3DOM.
Use the mouse to navigate the space - rotate, ctrl+mouse to move, mouse wheel to zoom in/out, ...

Click a link (cube) for its identification (airport1, airport2, company)!

In the core:

1. Lufthansa and Air Berlin are serving lines from German airports Frankfurt, Berlin, Munich, Dusseldorf, Hamburg, and from Milan in Italy
2. Swiss IAL and Netjets are serving lines from Swiss airports Zurich and Geneva
3. SAS and Norwegian AS are serving lines from Copenhagen and Stockholm
4. Spanish airports Madrid, Barcelona, and Malaga are served by companies Iberia, Air Nostrum, Vueling, and Ryanair
5. companies serving lines from their base airport: (British A, Heathrow), (LOT, Warsaw), (Austrian A, Niki; Vienna), (KLM, Transavia; Amsterdam), (Air France, CDG), (Czech A, Prague), (Alitalia, Fiumicino), (Brussels A, European AT; Brussels), (Malev, Budapest), (Aegean, Olympic Air; Athens); the only “irregular” link is by Iberia between Barcelona and Budapest
6. Companies with dispersed services are Easyjet, Netjets, Wizz Air, European AT, and TNT Airways
   1. Easyjet is serving lines from Milan and also from CDG, Amsterdam, Fiumicino, Madrid
   2. Netjets is serving lines also from Venice, Nice, Vienna, and Barcelona
   3. Wizz Air is serving lines from Budapest and Fiumicino
   4. European AT has also some lines from Heathrow, Milan, Venice, Barcelona, and Madrid
   5. TNT Airways is linking airports CDG and Athens, and Sofia and Henri Coanda

Airports

 [1] "Frankfurt Airport"                                           
 [2] "Berlin Tegel Airport"                                        
 [3] "Munich Airport"                                              
 [4] "Dusseldorf Airport"                                          
 [5] "Hamburg Airport"                                             
 [6] "Zurich Airport"                                              
 [7] "Geneva Airport"                                              
 [8] "Milan-Malpensa A"                                            
 [9] "Copenhagen Airport"                                          
[10] "Stockholm Arlanda Airport"                                   
[11] "Heathrow Airport"                                            
[12] "Warsaw Chopin Airport"                                       
[13] "Vienna International Airport"                                
[14] "Amsterdam Airport Schiphol"                                  
[15] "Charles de Gaulle Airport (Roissy Airport)"                  
[16] "Adolfo Suarez Madrid-Barajas Airport"                        
[17] "Barcelona El Prat Airport"                                   
[18] "Malaga Airport"                                              
[19] "Vaclav Havel Airport Prague"                                 
[20] "Leonardo da Vinci-Fiumicino Airport"                         
[21] "Brussels Airport (Zaventem Airport)"                         
[22] "Budapest Ferenc Liszt International Airport"                 
[23] "Athens International Airport (Eleftherios Venizelos Airport)"
[24] "Ben Gurion Airport"                                          
[25] "Henri Coanda International Airport"                          
[26] "Venice Marco Polo Airport"                                   
[27] "Sofia Airport"                                               
[28] "Nice Cote d'Azur Airport"                                      

Companies

 [1] "Lufthansa"    "Air Berlin"   "Swiss IAL"    "Netjets"      "Easyjet"      "SAS"         
 [7] "Norwegian AS" "British A"    "LOT Polish A" "Austrian A"   "Niki"         "KLM"         
[13] "Transavia H"  "Air France"   "Iberia"       "Air Nostrum"  "Vueling A"    "Ryanair"     
[19] "Czech A"      "Alitalia"     "Brussels A"   "European AT"  "Malev HA"     "Wizz Air"    
[25] "Aegean A"     "Olympic Air"  "TNT Airways"