我正在尝试使用纬度和经度查找以英里为单位的距离。我有以下方法:
- (void)locationManager:(CLLocationManager *)manager
didUpdateToLocation:(CLLocation *)newLocation
fromLocation:(CLLocation *)oldLocation
{
if(!newLocation) return;
if ((oldLocation.coordinate.latitude != newLocation.coordinate.latitude) &&
(oldLocation.coordinate.longitude != newLocation.coordinate.longitude))
{
CLLocation *loc1 = [[CLLocation alloc] initWithLatitude:oldLocation.coordinate.latitude longitude:oldLocation.coordinate.longitude];
CLLocation *loc2 = [[CLLocation alloc] initWithLatitude:newLocation.coordinate.latitude longitude:newLocation.coordinate.latitude];
CLLocationDistance distance = ([loc2 distanceFromLocation:loc1]) * 0.000621371192;
//distance = distance;
NSLog(@"Total Distance %f in miles",distance);
}
}
出于某种原因,它打印出类似 5678.32 英里的内容。该位置几乎是静止的,根本没有移动。
最佳答案
CLLocation *loc2 = [[CLLocation alloc] initWithLatitude:newLocation.coordinate.(!!!!!)latitude longitude:newLocation.coordinate.(!!!!!)latitude];
关于ios - 使用 CLLocation 计算距离 iOS MapKit,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6685553/