Top "Wgs84" questions

Converting LLA to XYZ

Can you help me to convert lla to xyz coordnates. I am using earthRadius = 6378.137; var x = earthRadius * Math.cos(lat)*…

coordinates wgs84

How does getAltitude() of Android GPS Location Works

HI I tried to implement a simple GPS tracker. Therefore is used lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE); lm.requestLocationUpdates(…

android gps locationmanager wgs84

Distance using WGS84-ellipsoid

Consider points P1 (60°N, 20°E, 0) and P2 (60°N, 22°E, 0) on the surface of the Earth What is the shortest distance …

gps wgs84

GeoJSON and MongoDB: Is it worth it to store points as GeoJSON.Point?

With the introduction of 2.3 > MongoDB has become even more useful with location data handling and querying. MongoDB stores documents …

mongodb gis wgs84 database

British National Grid Shapefile - convert to WGS84 Lat/Lon

I have a set of ESRI shapefiles which, I'm told, have been written using the British National Grid coordinate system. …

mapping coordinate-systems wgs84

OpenLayers after call setCenter, map is still on 0,0 position

I tried to set map center by method setCenter, but still not working. Map is not moving. I tried to …

javascript map openlayers wgs84

convert wgs 84 to lat/long

Hi I am having a little trouble figuring out how to convert between types of coordinates. I have a list …

android coordinate-transformation wgs84

How to transform coordinate from WGS84 to a coordinate in a projection with PROJ.4?

I have a GPS-coordinate in WGS84 that I would like to transform to a map-projection coordinate in SWEREF99 TM using …

java wgs84 map-projections proj4js proj