wgs84

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NAD83 to WGS84 using Map Server

I\'m in the process of adding a WAC overlay to google maps. The map tiles are projected in NAD83 (lcc), google maps is WGS84 (mercator).[详细]

2023-04-03 08:56 分类：问答
getLatitudeE6() returns wrong value

public boolean onTap(GeoPoint p, MapView mapView) { String msg; double d1 = p.getLatitudeE6()/1E6; double d2 = p.getLongitudeE6()/1E6;[详细]

2023-03-24 08:16 分类：问答
Converting DATUM WGS84 coordinates for google map v3 JS Latlng Object

I am trying to convert the following to work with the Google maps v3 JS api. N37 10.320 W122 13.357 How do I convert this to work with the LatLng Object?[详细]

2023-03-17 15:30 分类：问答
Spatial Data conversion and persistency issue for shapefile in OSGB36

I am looking for a tool that meets the following requirements 1) Ability to import shapefile in osgb36 format to database (sql server 2005/2008) programmatically.[详细]

2023-01-24 10:08 分类：问答
Coordinates conversion

I am working over a small component for a web portal that show polygons over a map, using OpenLayers,Google Maps, and another proprietary source .[详细]

2023-01-21 04:54 分类：问答
How does getAltitude() of Android GPS Location Works

HI I tried to implement a simple GPS tracker. Therefore is used 开发者_开发技巧 lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);[详细]

2022-12-29 19:42 分类：问答
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 开发者_如何学Ctransform to a map-projection coordinate in SWEREF99 TM using PROJ.4 in Java or Proj4js in JavaScript.[详细]

2022-12-24 09:57 分类：问答
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. I need to convert these files to WGS84 lat/lons, for onward conversion to KML fil[详细]

2022-12-08 16:24 分类：问答