D3.js の Sankey Diagram で使う json サンプル

sample.json

{"nodes":[
{"name":"クラーク国際"},
{"name":"北海"},
{"name":"嘉手納"},
{"name":"北海道"},
{"name":"東京"},
{"name":"沖縄"}
],
"links":[
{"source":0,"target":3,"value":10},
{"source":0,"target":4,"value":8},
{"source":1,"target":3,"value":18},
{"source":2,"target":5,"value":18}
]}