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fix: 瓦片类型仅由搜索结果坐标+蓝点推算，去掉其他判断逻辑

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xweiba
2026-08-05 23:15:06 +08:00
parent 3260af748b
commit 794cf9d004
3 changed files with 25 additions and 20 deletions
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App/MapViewRepresentable.swift
+1 -19
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@@ -260,25 +260,7 @@ struct MapViewRepresentable: UIViewRepresentable {
parent.onViewportChanged(distance)
zoomLabel?.text = MapZoomMath.viewportScaleLabel(distanceMeters: distance)
updatePinPosition(on: mapView)
// 推算瓦片类型：比较地图中心与蓝点的偏移
// 蓝点是 WGS-84，地图中心在 GCJ-02 瓦片上会有 ~596m 偏移
let mc = mapView.centerCoordinate
if let bl = mapView.userLocation.location?.coordinate {
let wgs = CoordinateConverter.gcj02ToWgs84(lat: mc.latitude, lon: mc.longitude)
let dGCJ = CoordinateConverter.distance(lat1: wgs.lat, lon1: wgs.lon, lat2: bl.latitude, lon2: bl.longitude)
let dRaw = CoordinateConverter.distance(lat1: mc.latitude, lon1: mc.longitude, lat2: bl.latitude, lon2: bl.longitude)
// GCJ→WGS 后更接近蓝点 = 地图是 GCJ-02；原始更接近 = 地图是 WGS-84
let type: CoordinateConverter.CoordType = dGCJ < dRaw ? .gcj02 : .wgs84
if type != CoordinateConverter.currentTileType {
CoordinateConverter.currentTileType = type
RuntimeLogger.info("APP", "坐标转换", "推算瓦片 → \(type.rawValue)", details: [
"dGCJ": String(format: "%.0fm", dGCJ), "dRaw": String(format: "%.0fm", dRaw)
])
}
} else {
// 无蓝点，用坐标地理边界兜底
CoordinateConverter.updateTileType(lat: mc.latitude, lon: mc.longitude)
}
// 同步蓝点坐标
// 同步蓝点坐标（避免 delegate 更新不及时导致 mapState.realtimeLocation 为 nil）
if let ul = mapView.userLocation.location,
CLLocationCoordinate2DIsValid(ul.coordinate), ul.horizontalAccuracy >= 0 {