public static double SpatialDistanceBetweenPlaces(Wgs84Coordinates a, Wgs84Coordinates b)
{
var fablat = new DotSpatial.Positioning.Latitude((double)a.Latitude);
var fablng = new DotSpatial.Positioning.Longitude((double)a.Longitude);
var sglat = new DotSpatial.Positioning.Latitude((double)b.Latitude);
var sglng = new DotSpatial.Positioning.Longitude((double)b.Longitude);
var fab = new DotSpatial.Positioning.Position(fablat, fablng);
var sg = new DotSpatial.Positioning.Position(sglat, sglng);
DotSpatial.Positioning.Distance dist = fab.DistanceTo(sg);
return(dist.ToMeters().Value);
} // End Function SpatialDistanceBetweenPlaces
} // End Function SpatialDistanceBetweenPlaces
public static double SpatialDistanceBetweenPlacesDotSpatial(
double lat1
, double lng1
, double lat2
, double lng2)
{
var fablat = new DotSpatial.Positioning.Latitude(lat1);
var fablng = new DotSpatial.Positioning.Longitude(lng1);
var sglat = new DotSpatial.Positioning.Latitude(lat2);
var sglng = new DotSpatial.Positioning.Longitude(lng2);
var fab = new DotSpatial.Positioning.Position(fablat, fablng);
var sg = new DotSpatial.Positioning.Position(sglat, sglng);
DotSpatial.Positioning.Distance dist = fab.DistanceTo(sg);
return(dist.ToMeters().Value);
} // End Function SpatialDistanceBetweenPlacesDotSpatial