data/nodes.csv

node_id,node_name,node_type,lat_deg,lon_deg,capacity,metadata
CNSHA,Port of Shanghai,origin_port,31.23,121.47,,"Primary Asian export hub; deep-sea container terminal"
SGSIN,Port of Singapore,origin_port,1.26,103.83,,"Second export/transshipment hub at the eastern mouth of the Malacca Strait"
MALACCA,Malacca Strait,waypoint,2.50,101.00,,"Convergence waypoint for Shanghai and Singapore traffic"
IOX,Indian Ocean Junction,waypoint,-5.00,75.00,,"Routing divergence: north to Bab-el-Mandeb/Suez or south to the Cape"
BAB,Bab-el-Mandeb,waypoint,12.60,43.40,,"Red Sea southern entrance on the Suez routing"
SUEZSOUTH,Suez Canal South (Suez City),chokepoint,29.97,32.55,,"Southern entrance to the Suez Canal"
PORTSAID,Suez Canal North (Port Said),chokepoint,31.26,32.30,,"Northern (Mediterranean) exit of the Suez Canal"
GIB,Strait of Gibraltar,waypoint,35.95,-5.60,,"Mediterranean exit into the Atlantic on the Suez routing"
NLRTM,Port of Rotterdam,destination_port,51.95,4.14,,"Primary European import sink; throughput to here is the objective"
DEHAM,Port of Hamburg,destination_port,53.55,9.93,,"Secondary European port; reachable but not the delivery objective"
CAPE,Cape of Good Hope,waypoint,-34.36,18.47,,"Southern tip of Africa between the Indian and Atlantic Oceans"
WAFR,West Africa Atlantic,waypoint,20.00,-18.00,,"Atlantic waypoint off the coast of West Africa"