如何在 Kotlin(最好是 Kotlin Notebook)中使用 let-plots 地理工具,在两个地理经纬度对之间画一条线?
例如:
val brussels = Pair(50.8427501, 4.3515499)
val paris = Pair(48.864716, 2.349014)
// Visualize a line from brussels to paris
这有效:
val dataset = mapOf(
"latitude" to listOf(50.8427501, 48.864716),
"longitude" to listOf(4.3515499, 2.349014),
)
letsPlot(dataset) + geomPath() { x = "longitude"; y = "latitude" }