/// <summary>
/// Finds address by geographical location. Asynchronous method.
/// </summary>
/// <param name="location">Location point.</param>
/// <param name="userToken">Geocoding operation token.</param>
/// <exception cref="ESRI.ArcLogistics.AuthenticationException">
/// Is thrown if server state is unauthorized.</exception>
public override void ReverseGeocodeAsync(ESRI.ArcLogistics.Geometry.Point location, object userToken)
{
_ValidateGeocoderState();
try
{
PointN point = new PointN();
point.X = location.X;
point.Y = location.Y;
// REV: we should pass WPG84 since we store our points in this spatial reference
SpatialReference sr = new ESRI.ArcLogistics.GeocodeService.GeographicCoordinateSystem();
sr.WKID = GeometryConst.WKID_WGS84;
//point.SpatialReference = sr;
PropertySet propMods = new PropertySet();
propMods.PropertyArray = new PropertySetProperty[2];
// distance units
propMods.PropertyArray[1] = _CreateProp("ReverseDistanceUnits", REV_DISTANCE_UNITS);
// distance value
propMods.PropertyArray[0] = _CreateProp("ReverseDistance", SNAP_TOL);
_client.ReverseGeocodeAsync(point, false, propMods, userToken);
}
catch (System.ServiceModel.FaultException ex)
{
Logger.Info(ex);
} // eat FaultException if location cannot be reverse geocoded
}
/// <summary>
/// Finds address by geographical location.
/// </summary>
/// <param name="location">Location point.</param>
/// <returns>Returns found address.</returns>
/// <exception cref="ESRI.ArcLogistics.AuthenticationException">
/// Is thrown if server state is unauthorized.</exception>
public override Address ReverseGeocode(ESRI.ArcLogistics.Geometry.Point location)
{
_ValidateGeocoderState();
Address res = null;
try
{
PointN point = new PointN();
point.X = location.X;
point.Y = location.Y;
// REV: we should pass WPG84 since we store our points in this spatial reference
SpatialReference sr = new ESRI.ArcLogistics.GeocodeService.GeographicCoordinateSystem();
sr.WKID = GeometryConst.WKID_WGS84;
//point.SpatialReference = sr;
// Set properties for reverse geocoder.
PropertySet propMods = new PropertySet();
propMods.PropertyArray = new PropertySetProperty[2];
// Distance units.
propMods.PropertyArray[1] = _CreateProp("ReverseDistanceUnits", REV_DISTANCE_UNITS);
// Distance value.
propMods.PropertyArray[0] = _CreateProp("ReverseDistance", SNAP_TOL);
// REV: we should ask server to return point in WGS84
// First try reverse geocode intersection.
PropertySet pSet = _ReverseGeocode(point, false, propMods);
if (pSet != null && pSet.PropertyArray != null)
res = _GetAddress(pSet);
}
catch (System.ServiceModel.FaultException ex)
{
Logger.Error(ex);
}
return res;
}
