2014/10/15 下午 10:07:55

iphone Programming Glossary: east

finding a coordinate at some distance from the source

http://stackoverflow.com/questions/14398378/finding-a-coordinate-at-some-distance-from-the-source

the map and I get coordinates at the touch. Now I have to find some coordinates which are about 5 km away towards east and another one about 5km down to south. I have searched over google but could not find any algo for it. I am not sure this.. is C the point at d kilometers to south of a given point is 360 d C degrees to the south. The point at d kilometers to east is 360 d C cos latitude degrees to the east. So if Earth's circumference is 40075.04 km to move 5 km to the south you would.. given point is 360 d C degrees to the south. The point at d kilometers to east is 360 d C cos latitude degrees to the east. So if Earth's circumference is 40075.04 km to move 5 km to the south you would subtract 0.0449 from the latitude and use..

Getting the bounds of an MKMapvIew

http://stackoverflow.com/questions/2081753/getting-the-bounds-of-an-mkmapview

a Program received signal 諪XC_BAD_ACCESS which seems to come from NSLog. Anyone know the proper way to get the south east corner and northwest corner in map coordinates from the visible area of a MKMapView EDIT It seems whenever you asked something..

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

box for the ground overlay are aligned. LatLonBox id GE_MET0D_VP MPE latlonbox north 57.4922 north south 57.4922 south east 57.4922 east west 57.4922 west rotation 0 rotation LatLonBox I create a new custom MKOverlay object called RadarOverlay.. overlay are aligned. LatLonBox id GE_MET0D_VP MPE latlonbox north 57.4922 north south 57.4922 south east 57.4922 east west 57.4922 west rotation 0 rotation LatLonBox I create a new custom MKOverlay object called RadarOverlay with these parameters..

Can the iPhone determine if you're facing north, south, east or west?

http://stackoverflow.com/questions/412256/can-the-iphone-determine-if-youre-facing-north-south-east-or-west

the iPhone determine if you're facing north south east or west Can the iPhone determine if you're facing north south east or west iphone cocoa touch share improve this question.. the iPhone determine if you're facing north south east or west Can the iPhone determine if you're facing north south east or west iphone cocoa touch share improve this question If you're developing for 2.2 you might want to take a look at..

Using lattitude and longitude of the current location and destination location , how can we get the direction in iphone

http://stackoverflow.com/questions/4632966/using-lattitude-and-longitude-of-the-current-location-and-destination-location

longitude The longitude in degrees. Measurements are relative to the zero meridian with positive values extending east of the meridian and negative values extending west of the meridian. Latitude is therefore quite simple if the destination's.. is slightly more complex as you should consider that a destination three quarters of the way around the Earth to the east is probably better expressed as being to the west. Again compare the longitude values consider the distance both east and.. east is probably better expressed as being to the west. Again compare the longitude values consider the distance both east and west handle crossing the meridian and choose the shorter distance. distance_east origin.longitude 0 destination.longitude..

Augmented Reality movement

http://stackoverflow.com/questions/4894923/augmented-reality-movement

overlay for any object with movement for example i have 4 object say four house in four direction i.e. south north east west and when i see to north i should be able to see the only single label for that house on that label there will be some..

Point to location using compass

http://stackoverflow.com/questions/5092845/point-to-location-using-compass

floatValue NSLog @ f f locLat locLon float pLat float pLon if locLat user.latitude locLon user.longitude north east pLat user.latitude pLon locLon degrees 0 else if locLat user.latitude locLon user.longitude south east pLat locLat pLon.. north east pLat user.latitude pLon locLon degrees 0 else if locLat user.latitude locLon user.longitude south east pLat locLat pLon user.longitude degrees 45 else if locLat user.latitude locLon user.longitude south west pLat locLat pLon..

How can we find the angle between two locations defined by latitude or longitude

http://stackoverflow.com/questions/6745131/how-can-we-find-the-angle-between-two-locations-defined-by-latitude-or-longitude

move from one location to another location starting from north and then clockwise . While angle in 2D starts from the east and then counter clockwise. So if an angle is what you need later you'll need to add 90 degree to the result and then revert..

iPhone - Moving a CLLocation by x meters

http://stackoverflow.com/questions/7278094/iphone-moving-a-cllocation-by-x-meters

Moving a CLLocation by x meters I have A CLLocation defined and I'd like to move that point x meters to the east and y meters to the south. How may I achieve that iphone cocoa touch localization core location offset share improve..