我使用正向地理编码来获取事件的二维坐标。现在我试图获取事件地址的经度和纬度。我已成功创建一个包含坐标的地标，但我不知道如何将其从坐标更改为经度或纬度
有什么想法吗？
if let objects = objects {
for object in objects {
self.geocoder = CLGeocoder()
//get address from object
let COAddress = object.objectForKey("Address")as! String
let COCity = object.objectForKey("City")as! String
let COState = object.objectForKey("State")as! String
let COZipCode = object.objectForKey("ZipCode")as! String
let combinedAddress = "\(COAddress) \(COCity) \(COState) \(COZipCode)" //all parts of address
print(combinedAddress)
//make address a location
self.geocoder.geocodeAddressString(combinedAddress, completionHandler: {(placemarks, error) -> Void in
if(error != nil)
{
print("Error", error)
}
else if let placemark = placemarks?[0]
{
let placemark:CLPlacemark = placemarks![0]
var coordinates:CLLocationCoordinate2D = placemark.location!.coordinate
print("i got here", coordinates)
}
})
let userLatitude = self.locationManager.location?.coordinate.latitude
let userLongitude = self.locationManager.location?.coordinate.longitude
let userLocation = CLLocation(latitude: userLatitude!, longitude: userLongitude!)
// event location - THE ERROR IS BELOW
let eventLatitude = placemarks.location?.cordinate.latitude
let eventLongitude = placemarks.location?.coordinate.longitude
let eventLocation = CLLocation(latitude: eventLatitude!, longitude: eventLongitude!)
//Measuring my distance to my buddy's (in km)
let distance = userLocation.distanceFromLocation(eventLocation) / 1000
//Display the result in km
print("The distance to event is ", distance)
if (distance < 100) {
print("yay")
}
}
}
最佳答案
// event location - THE ERROR IS BELOW let eventLatitude = placemarks.location?.cordinate.latitude let eventLongitude = placemarks.location?.coordinate.longitude let eventLocation = CLLocation(latitude: eventLatitude!, longitude: eventLongitude!)
我相信您需要访问 placemarks.first.location 或 placemarks[0].location
关于快速向前地理定位并访问地标经度和经度，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/33681739/