ArcObjects Library Reference

Get Geographic Coordinates in Globe Snippet

Convert screen coordinates (pixels) to real world map units in geographic (latitude and longitude).

[C#]

///<summary>Convert screen coordinates (pixels) to real world map units in geographic (latitude and longitude).</summary>
///  
///<param name="xView">A System.Int32 that is the X screen coordinate. Example: 100</param>
///<param name="yView">A System.Int32 that is the Y screen coordinate. Example: 200</param>
///<param name="globeDisplay">An IGlobeDisplay interface.</param>
///   
///<remarks>Point.X is the longitude, Point.Y is the latitude and Point.Z is the altitude</remarks>
public ESRI.ArcGIS.Geometry.IPoint GetGeographicCoordinatesInGlobe(System.Int32 xView, System.Int32 yView, ESRI.ArcGIS.GlobeCore.IGlobeDisplay globeDisplay)
{
  //Get the geographic coordinates from the window coordinates
  ESRI.ArcGIS.Geometry.IPoint point;
  System.Object ppOwner;
  System.Object ppObject;
  globeDisplay.Locate(globeDisplay.ActiveViewer, xView, yView, false, true, out point, out ppOwner, out ppObject);
  return point;
}
[Visual Basic .NET]

'''<summary>Convert screen coordinates (pixels) to real world map units in geographic (latitude and longitude).</summary>
'''  
'''<param name="xView">A System.Int32 that is the X screen coordinate. Example: 100</param>
'''<param name="yView">A System.Int32 that is the Y screen coordinate. Example: 200</param>
'''<param name="globeDisplay">An IGlobeDisplay interface.</param>
'''   
'''<remarks>Point.X is the longitude, Point.Y is the latitude and Point.Z is the altitude</remarks>
Public Function GetGeographicCoordinatesInGlobe(ByVal xView As System.Int32, ByVal yView As System.Int32, ByVal globeDisplay As ESRI.ArcGIS.GlobeCore.IGlobeDisplay) As ESRI.ArcGIS.Geometry.IPoint

  ' Get the geographic coordinates from the window coordinates
  Dim point As ESRI.ArcGIS.Geometry.IPoint = Nothing
  Dim ppOwner As System.Object = Nothing
  Dim ppObject As System.Object = Nothing
  globeDisplay.Locate(globeDisplay.ActiveViewer, xView, yView, False, True, point, ppOwner, ppObject)

  Return point

End Function


Additional Requirements
  • The code in this document requires the following References added to the Visual Studio project:
  • ESRI.ArcGIS.3DAnalyst
  • ESRI.ArcGIS.Geometry
  • ESRI.ArcGIS.GlobeCore
  • ESRI.ArcGIS.System