uninav/lib/util/geomath.dart

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2024-04-20 14:32:01 +00:00
import 'dart:math';
import 'package:latlong2/latlong.dart';
LatLng polygonCenterMinmax(List<LatLng> polygon) {
double minLat = double.infinity;
double maxLat = double.negativeInfinity;
double minLng = double.infinity;
double maxLng = double.negativeInfinity;
for (LatLng point in polygon) {
minLat = min(minLat, point.latitude);
maxLat = max(maxLat, point.latitude);
minLng = min(minLng, point.longitude);
maxLng = max(maxLng, point.longitude);
}
double centerLat = (minLat + maxLat) / 2;
double centerLng = (minLng + maxLng) / 2;
return LatLng(centerLat, centerLng);
}
LatLng polygonCenterAvg(List<LatLng> polygon) {
double sumLat = 0;
double sumLng = 0;
for (LatLng point in polygon) {
sumLat += point.latitude;
sumLng += point.longitude;
}
double centerLat = sumLat / polygon.length;
double centerLng = sumLng / polygon.length;
return LatLng(centerLat, centerLng);
}