2014/10/16 上午 08:12:34

android Programming Glossary: dlon

Find center geopoint between start geo point and end geo point on android

http://stackoverflow.com/questions/11682164/find-center-geopoint-between-start-geo-point-and-end-geo-point-on-android

point new GeoPoint int endLatitude 1E6 int endLongitude 1E6 overlayItem new OverlayItem point endAddress Welcome.. double lat1 double lon1 double lat2 double lon2 double dLon Math.toRadians lon2 lon1 convert to radians lat1 Math.toRadians.. lon1 Math.toRadians lon1 double Bx Math.cos lat2 Math.cos dLon double By Math.cos lat2 Math.sin dLon double lat3 Math.atan2..

How to get Distance Kilometer in android?

http://stackoverflow.com/questions/13208501/how-to-get-distance-kilometer-in-android

double lon2 double dLat Math.toRadians lat2 lat1 double dLon Math.toRadians lon2 lon1 double a Math.sin dLat 2 Math.sin dLat.. Math.toRadians lat1 Math.cos Math.toRadians lat2 Math.sin dLon 2 Math.sin dLon 2 double c 2 Math.atan2 Math.sqrt a Math.sqrt.. lat1 Math.cos Math.toRadians lat2 Math.sin dLon 2 Math.sin dLon 2 double c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a double temp..

Android - SQlite Getting nearest locations (with latitude and longitude)

http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude

R 6371000 m double dLat Math.toRadians p2.x p1.x double dLon Math.toRadians p2.y p1.y double lat1 Math.toRadians p1.x double.. p2.x double a Math.sin dLat 2 Math.sin dLat 2 Math.sin dLon 2 Math.sin dLon 2 Math.cos lat1 Math.cos lat2 double c 2 Math.atan2.. Math.sin dLat 2 Math.sin dLat 2 Math.sin dLon 2 Math.sin dLon 2 Math.cos lat1 Math.cos lat2 double c 2 Math.atan2 Math.sqrt..

How to find Hospital Location near by my location?

http://stackoverflow.com/questions/4291573/how-to-find-hospital-location-near-by-my-location

. JavaScript var R 6371 km var dLat lat2 lat1 .toRad var dLon lon2 lon1 .toRad var a Math.sin dLat 2 Math.sin dLat 2 Math.cos.. dLat 2 Math.cos lat1.toRad Math.cos lat2.toRad Math.sin dLon 2 Math.sin dLon 2 var c 2 Math.atan2 Math.sqrt a Math.sqrt 1.. lat1.toRad Math.cos lat2.toRad Math.sin dLon 2 Math.sin dLon 2 var c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a var d R c share..

Find center geopoint between start geo point and end geo point on android

http://stackoverflow.com/questions/11682164/find-center-geopoint-between-start-geo-point-and-end-geo-point-on-android

n drawable getResources .getDrawable R.drawable.annot_end point new GeoPoint int endLatitude 1E6 int endLongitude 1E6 overlayItem new OverlayItem point endAddress Welcome itemizedOverlay n 1 new MyItemizedOverlay drawable mapView.. snippet and checked with this page public static void midPoint double lat1 double lon1 double lat2 double lon2 double dLon Math.toRadians lon2 lon1 convert to radians lat1 Math.toRadians lat1 lat2 Math.toRadians lat2 lon1 Math.toRadians lon1 double.. to radians lat1 Math.toRadians lat1 lat2 Math.toRadians lat2 lon1 Math.toRadians lon1 double Bx Math.cos lat2 Math.cos dLon double By Math.cos lat2 Math.sin dLon double lat3 Math.atan2 Math.sin lat1 Math.sin lat2 Math.sqrt Math.cos lat1 Bx Math.cos..

How to get Distance Kilometer in android?

http://stackoverflow.com/questions/13208501/how-to-get-distance-kilometer-in-android

private double getDistance double lat1 double lat2 double lon1 double lon2 double dLat Math.toRadians lat2 lat1 double dLon Math.toRadians lon2 lon1 double a Math.sin dLat 2 Math.sin dLat 2 Math.cos Math.toRadians lat1 Math.cos Math.toRadians lat2.. lon2 lon1 double a Math.sin dLat 2 Math.sin dLat 2 Math.cos Math.toRadians lat1 Math.cos Math.toRadians lat2 Math.sin dLon 2 Math.sin dLon 2 double c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a double temp 6371 c temp temp 0.621 return temp The above.. a Math.sin dLat 2 Math.sin dLat 2 Math.cos Math.toRadians lat1 Math.cos Math.toRadians lat2 Math.sin dLon 2 Math.sin dLon 2 double c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a double temp 6371 c temp temp 0.621 return temp The above code can't give..

Android - SQlite Getting nearest locations (with latitude and longitude)

http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude

double getDistanceBetweenTwoPoints PointF p1 PointF p2 double R 6371000 m double dLat Math.toRadians p2.x p1.x double dLon Math.toRadians p2.y p1.y double lat1 Math.toRadians p1.x double lat2 Math.toRadians p2.x double a Math.sin dLat 2 Math.sin.. p1.y double lat1 Math.toRadians p1.x double lat2 Math.toRadians p2.x double a Math.sin dLat 2 Math.sin dLat 2 Math.sin dLon 2 Math.sin dLon 2 Math.cos lat1 Math.cos lat2 double c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a double d R c return d Enjoy.. Math.toRadians p1.x double lat2 Math.toRadians p2.x double a Math.sin dLat 2 Math.sin dLat 2 Math.sin dLon 2 Math.sin dLon 2 Math.cos lat1 Math.cos lat2 double c 2 Math.atan2 Math.sqrt a Math.sqrt 1 a double d R c return d Enjoy I used and customized..

How to find Hospital Location near by my location?

http://stackoverflow.com/questions/4291573/how-to-find-hospital-location-near-by-my-location

that angles need to be in radians to pass to trig functions . JavaScript var R 6371 km var dLat lat2 lat1 .toRad var dLon lon2 lon1 .toRad var a Math.sin dLat 2 Math.sin dLat 2 Math.cos lat1.toRad Math.cos lat2.toRad Math.sin dLon 2 Math.sin..