2014/10/15 下午 10:14:19

iphone Programming Glossary: south

finding a coordinate at some distance from the source

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

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 correct place for this question or.. iphone math map coordinates share improve this question If Earth's circumference 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.. question If Earth's circumference 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..

Getting the bounds of an MKMapvIew

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

me 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..

Convert GPS coordinates to coordinate plane

http://stackoverflow.com/questions/3588653/convert-gps-coordinates-to-coordinate-plane

the equator to the poles. We can assume for this application that it won't change appreciably between the north and south ends of the building. Then for any nearby lat long point subtract off the coordinates of the southwest corner of the building.. the north and south ends of the building. Then for any nearby lat long point subtract off the coordinates of the southwest corner of the building and apply the vertical and horizontal scales in the obvious way to locate that point with respect..

How to display an image on a MKOverlayView?

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

sides of a bounding 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.. 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..

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.. 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..

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

The latitude in degrees. Positive values indicate latitudes north of the equator. Negative values indicate latitudes south of the equator. longitude The longitude in degrees. Measurements are relative to the zero meridian with positive values.. latitude then it lies to the north if it is greater than the current location's latitude then it lies to the south. latitudinal_distance destination.latitude origin.latitude Longitude is slightly more complex as you should consider that..

Augmented Reality movement

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

label on camera 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.. single label for that house on that label there will be some information say house name so how to do it when i move to south direction north label should start move aside and south label should start to come on the screen Solution that i have done.. some information say house name so how to do it when i move to south direction north label should start move aside and south label should start to come on the screen Solution that i have done still when i see to north i am able to show the all four..

Point to location using compass

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

user.longitude 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.. south east pLat locLat pLon user.longitude degrees 45 else if locLat user.latitude locLon user.longitude south west pLat locLat pLon user.latitude degrees 180 else if locLat user.latitude locLon user.longitude north west pLat locLat..

iPhone - Moving a CLLocation by x meters

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

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 this question There is a..