package com.example.androidapp.routing

/**
 * A single point in the isochrone routing tree.
 *
 * @param lat         Latitude (decimal degrees).
 * @param lon         Longitude (decimal degrees).
 * @param timestampMs UNIX time in milliseconds when this position is reached.
 * @param parent      The previous [RoutePoint] (null for the start point).
 */
data class RoutePoint(
    val lat: Double,
    val lon: Double,
    val timestampMs: Long,
    val parent: RoutePoint? = null
)