2014/10/15 下午 10:11:09

iphone Programming Glossary: location1

how to calculate two coordinates distance in objective c?

http://stackoverflow.com/questions/1980898/how-to-calculate-two-coordinates-distance-in-objective-c

this question Since this is tagged iPhone why not use the built in distance function rather than rolling your own location1 and location2 are CLLocation objects. CLLocationDistance distance location1 getDistanceFrom location2 share improve this..

How do I calculate the distance between two points of latitude and longitude?

http://stackoverflow.com/questions/2652167/how-do-i-calculate-the-distance-between-two-points-of-latitude-and-longitude

so how can i calculate it iphone math map coordinates latitude longitude share improve this question CLLocation location1 CLLocation alloc initWithLatitude lat1 longitude long1 CLLocation location2 CLLocation alloc initWithLatitude lat2 longitude.. long1 CLLocation location2 CLLocation alloc initWithLatitude lat2 longitude long2 NSLog @ Distance i meters f location1 distanceFromLocation location2 location1 release location2 release You also need to add CoreLocation.framework to your project.. alloc initWithLatitude lat2 longitude long2 NSLog @ Distance i meters f location1 distanceFromLocation location2 location1 release location2 release You also need to add CoreLocation.framework to your project and add the import statement #import..

Draw Line with gesture

http://stackoverflow.com/questions/6436990/draw-line-with-gesture

view controller or in your MyHolderView view subclass the example here would be in the MyHolderView class so that the location1 and location2 instance variables can be shared easily with the drawRect method. void scale id sender if sender pinchRecognizer.. example NSUInteger num_touches pinchRecognizer numberOfTouches save locations to some instance variables like `CGPoint location1 location2 ` if num_touches 1 location1 pinchRecognizer locationOfTouch 0 inView holderView if num_touches 2 location2 pinchRecognizer.. numberOfTouches save locations to some instance variables like `CGPoint location1 location2 ` if num_touches 1 location1 pinchRecognizer locationOfTouch 0 inView holderView if num_touches 2 location2 pinchRecognizer locationOfTouch 1 inView..