¡@
2014/10/15 ¤U¤È 10:11:10
iphone Programming Glossary: longitudedeltaZoom in a MKMapView programmatically http://stackoverflow.com/questions/1031787/zoom-in-a-mkmapview-programmatically 0.5 mapView setRegion zoomIn animated YES However this code had no effect since I didn't update the longitudeDelta value. So I added this line zoomIn.span.longitudeDelta 0.5 Now it works but only sometimes. The latitudeDelta and longitudeDelta.. YES However this code had no effect since I didn't update the longitudeDelta value. So I added this line zoomIn.span.longitudeDelta 0.5 Now it works but only sometimes. The latitudeDelta and longitudeDelta don't change in the same way I mean their values.. value. So I added this line zoomIn.span.longitudeDelta 0.5 Now it works but only sometimes. The latitudeDelta and longitudeDelta don't change in the same way I mean their values are not proportional. Any idea how to solve this iphone mkmapview mapkit..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region However span which is a MKCoordinateSpan consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's a toy MKCoordinateRegion center latitude 0 longitude.. by the region . A brief example. Here's a toy MKCoordinateRegion center latitude 0 longitude 0 span latitudeDelta 8 longitudeDelta 6 The region could be described using its min and max coordinates as follows min coordinate lower left hand point latitude..
Zooming MKMapView to fit annotation pins? http://stackoverflow.com/questions/4680649/zooming-mkmapview-to-fit-annotation-pins pins fit the view EDIT My initial thinking would be to use MKCoordinateRegionMake and calculate the coordinate centre longitudeDelta and latitudeDelta from my annotations. I am pretty sure this will work but I just wanted to check I was not missing anything.. FIND REGION MKCoordinateSpan locationSpan locationSpan.latitudeDelta upper.latitude lower.latitude locationSpan.longitudeDelta upper.longitude lower.longitude CLLocationCoordinate2D locationCenter locationCenter.latitude upper.latitude lower.latitude..
Displaying Pin with Title (annotation) once map loads http://stackoverflow.com/questions/5589181/displaying-pin-with-title-annotation-once-map-loads CLLocationCoordinate2D coord latitude 12.3456 longitude 7.890 MKCoordinateSpan span latitudeDelta 0.05 longitudeDelta 0.05 MKCoordinateRegion region coord span mapView setRegion region self.view addSubview mapView FirstLocateViewController.h..
How to trigger a video when a user reaches a certain location? http://stackoverflow.com/questions/6995443/how-to-trigger-a-video-when-a-user-reaches-a-certain-location
|
