private void Initialize()
{
// Create a point geometry in NYC in WGS84
MapPoint startingPoint = new MapPoint(-73.984513, 40.748469, SpatialReferences.Wgs84);
// Update the UI with the initial coordinates
beforeLabel.Text = $"x: {startingPoint.X}, y: {startingPoint.Y}";
// Create a geographic transformation step for transform WKID 108055, WGS_1984_To_MSK_1942
GeographicTransformationStep geoStep = new GeographicTransformationStep(108055);
// Create the transformation
GeographicTransformation geoTransform = new GeographicTransformation(geoStep);
// Project to a coordinate system used in New York, NAD_1983_HARN_StatePlane_New_York_Central_FIPS_3102
MapPoint afterPoint = (MapPoint)GeometryEngine.Project(startingPoint, SpatialReference.Create(2829), geoTransform);
// Update the UI with the projected coordinates
afterLabel.Text = $"x: {afterPoint.X}, y: {afterPoint.Y}";
// Perform the same projection without specified transformation
MapPoint unspecifiedTransformPoint = (MapPoint)GeometryEngine.Project(startingPoint, SpatialReference.Create(2829));
// Update the UI with the projection done without specific transform for comparison purposes
nonSpecificLabel.Text = $"x: {unspecifiedTransformPoint.X}, y: {unspecifiedTransformPoint.Y}";
}
/// <summary>
/// Initializes a new instance of the <see cref="ReverseGeographicStrategy" /> class.
/// </summary>
/// <param name="source">The source reference system.</param>
/// <param name="target">The target reference system.</param>
/// <param name="transformation">The geographic transformation.</param>
/// <exception cref="System.ArgumentNullException">
/// The source coordinate reference system is null.
/// or
/// target;The target coordinate reference system is null.
/// or
/// transformation;The transformation is null.
/// </exception>
public ReverseGeographicStrategy(GeographicCoordinateReferenceSystem source, GeographicCoordinateReferenceSystem target, GeographicTransformation transformation)
{
if (source == null)
{
throw new ArgumentNullException("source", "The source coordinate reference system is null.");
}
if (target == null)
{
throw new ArgumentNullException("target", "The target coordinate reference system is null.");
}
if (transformation == null)
{
throw new ArgumentNullException("transformation", "The transformation is null.");
}
_source = source;
_target = target;
_transformation = transformation;
}
protected async override void OnClick()
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
ArcGIS.Desktop.Mapping.Map mappa = ProAddInSR.funzioniVariabiliGlobali.FunzioniGlobali.RicavaMappaAttiva();
if (mappa is null)
{
return;
}
CIMMap cIMMap = funzioniVariabiliGlobali.FunzioniGlobali.RicavaInfoMappaCIMMapClass(mappa).Result;
CIMDatumTransform[] trasfDatum = cIMMap.DatumTransforms; // DatumTransform fornisce un array fornisce
// una matrice unidimensionale di oggetti appartenenti alla classe CIMDatumTransform.
string elencoProiezioniAlVolo = String.Empty;
if (trasfDatum != null)
{
for (int i = 0; i < trasfDatum.LongCount <CIMDatumTransform>(); i++)
{
CIMDatumTransform cIMDatumTransform = new CIMDatumTransform(); // Istanzio la CoClass
cIMDatumTransform = trasfDatum.ElementAt(i); // Ricavo quell'elemento alla tal posizione nella matrice
// Ricavo l'oggetto GeographicTransformation, che dovrebbe essere un Abtract Class.
GeographicTransformation geographicTransformation = cIMDatumTransform.GeoTransformation as GeographicTransformation;
elencoProiezioniAlVolo = geographicTransformation.Name + Environment.NewLine;
}
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show(elencoProiezioniAlVolo, String.Format("Elenco proiezioni al volo della mappa: '{0}'", mappa.Name), System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Information);
}
else
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show(String.Format("Non ci sono proiezioni al volo attive per la mappa: '{0}'", mappa.Name), "Attenzione", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Exclamation);
}
});
}
