iPhone SDK: How to center map around a particular point?

New to MapKit. Having problems centering map around a specified point. Here is the code. Not sure why this is not working. We are expecting to see a map centered around Cincinnati, OH. What we are seeing is the default google map of the world.

Any help appreciated.

/ Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {

    [super viewDidLoad];

    CLLocationCoordinate2D mapCoords[2];
    mapCoords[0].latitude = 39.144057;
    mapCoords[0].latitude = -84.505484;
    mapCoords[开发者_JS百科1].latitude = 39.142984;
    mapCoords[1].latitude = -84.502534;

    MKCoordinateSpan span;
    span.latitudeDelta = 0.2;
    span.longitudeDelta = 0.2;

    MKCoordinateRegion region;
    region.center = mapCoords[0];
    region.span = span;

    [mapView setRegion:region animated:YES];
}

---

Change:

mapCoords[0].latitude = 39.144057;
mapCoords[0].latitude = -84.505484;
mapCoords[1].latitude = 39.142984;
mapCoords[1].latitude = -84.502534;

To:

mapCoords[0].latitude = 39.144057;
mapCoords[0].longitude = -84.505484;
mapCoords[1].latitude = 39.142984;
mapCoords[1].longitude = -84.502534;

---

I do this in my code and it works fine:

MKCoordinateRegion region;
MKCoordinateSpan span;

span.latitudeDelta=0.2;
span.longitudeDelta=0.2; 

CLLocationCoordinate2D location;
location.latitude = 39.144057;
location.longitude = -84.505484;

region.span=span;
region.center=location;

[mv setRegion:region animated:TRUE];
[mv regionThatFits:region];

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The problem was a combination of the typos above and IB wiring problem.