title: How to set where load a pinView of location in mapView?
body: <p>I have a pinView in my mapView  in Swift but when my mapView load this is showed in the center of mapView. I want know how can display this map moved to show the location and pin in other position, not center.<br>
   I'm trying do this with centerOffset annd calloutOffset property, but I don't get that I want</p>
  
  <pre><code> func mapView (mapView: MKMapView!,
      viewForAnnotation annotation: MKAnnotation!) -&gt; MKAnnotationView! {
  
          var pinView:MKPinAnnotationView = MKPinAnnotationView()
          pinView.annotation = annotation
          pinView.calloutOffset = CGPointMake(50, 0);
          pinView.pinColor = MKPinAnnotationColor.Green
          pinView.animatesDrop = true
          pinView.canShowCallout = true
  
          return pinView
  }
  </code></pre>
  
  <p>How can I do this?</p>
  
  <p>Edit: I add this image for show that I want do and ask if is this possible..</p>
  
  <p><img src="https://i.stack.imgur.com/oiYMQ.png" alt="enter image description here"></p>
  
  <p>Showing in center: </p>
  
  <p><img src="https://i.stack.imgur.com/wQQmn.png" alt="enter image description here"></p>
  
  <p>Showing pin in other position:</p>
  
  <p><img src="https://i.stack.imgur.com/JiRwC.png" alt="enter image description here"></p>
  
  <p>Thanks!</p>