// Function to get suitable datum transformations for the specified input and output spatial references.
private void GetSuitableTransformations(SpatialReference inSpatialRef, SpatialReference outSpatialRef, bool considerExtent)
{
// Get suitable transformations. Use the current extent to evaluate suitability, if requested.
IReadOnlyList <DatumTransformation> transformations;
if (considerExtent)
{
Envelope currentExtent = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry).TargetGeometry as Envelope;
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef, currentExtent);
}
else
{
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef);
}
// Get the default transformation for the specified input and output spatial reference.
DatumTransformation defaultTransform = TransformationCatalog.GetTransformation(inSpatialRef, outSpatialRef);
// Reset list.
SuitableTransformationsList.Clear();
// Wrap the transformations in a class that includes a boolean to indicate if it's the default transformation.
foreach (DatumTransformation transform in transformations)
{
DatumTransformationListBoxItem item = new DatumTransformationListBoxItem(transform)
{
IsDefault = (transform.Name == defaultTransform.Name)
};
SuitableTransformationsList.Add(item);
}
}
// Function to get suitable datum transformations for the specified input and output spatial references.
private void GetSuitableTransformations(SpatialReference inSpatialRef, SpatialReference outSpatialRef, bool considerExtent)
{
// Get suitable transformations. Use the current extent to evaluate suitability, if requested.
IReadOnlyList <DatumTransformation> transformations;
if (considerExtent)
{
Envelope currentExtent = _myMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry).TargetGeometry as Envelope;
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef, currentExtent);
}
else
{
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef);
}
// Get the default transformation for the specified input and output spatial reference.
DatumTransformation defaultTransform = TransformationCatalog.GetTransformation(inSpatialRef, outSpatialRef);
// Create a picker model to display the updated transformations.
TransformationsPickerModel pickerModel = new TransformationsPickerModel(transformations, defaultTransform);
// Handle the selection event to work with the selected transformation.
pickerModel.TransformationSelected += TransformationsPicker_TransformationSelected;
// Apply the model to the picker.
_transformationsPicker.Model = pickerModel;
}
// Function to get suitable datum transformations for the specified input and output spatial references.
private void GetSuitableTransformations(SpatialReference inSpatialRef, SpatialReference outSpatialRef, bool considerExtent)
{
// Get suitable transformations. Use the current extent to evaluate suitability, if requested.
IReadOnlyList <DatumTransformation> transformations;
if (considerExtent)
{
Envelope currentExtent = _myMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry).TargetGeometry as Envelope;
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef, currentExtent);
}
else
{
transformations = TransformationCatalog.GetTransformationsBySuitability(inSpatialRef, outSpatialRef);
}
// Get the default transformation for the specified input and output spatial reference.
DatumTransformation defaultTransform = TransformationCatalog.GetTransformation(inSpatialRef, outSpatialRef);
// Create a list of transformations.
List <DatumTransformation> transformsList = new List <DatumTransformation>();
foreach (DatumTransformation transformation in transformations)
{
transformsList.Add(transformation);
}
// Create an adapter for showing the spinner list.
TransformationsAdapter transformationsAdapter = new TransformationsAdapter(this, transformsList)
{
DefaultTransformation = defaultTransform
};
// Apply the adapter to the spinner.
_transformationsPicker.Adapter = transformationsAdapter;
}
/// <summary>
/// Will calculate a
/// </summary>
/// <param name="inX"></param>
/// <param name="inY"></param>
/// <returns></returns>
public MapPoint CalculateGeographicCoordinate(int easting, int northing, SpatialReference inSR, SpatialReference outSR)
{
//Variables
MapPoint geoPoint = new MapPoint(0, 0, outSR);
//Transform
if (easting != 0.0 && northing != 0.0)
{
if (outSR != null)
{
DatumTransformation datumTransfo = null;
if ((outSR.Wkid > 26900 && outSR.Wkid < 27000))
{
outSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(4617);
}
else
{
datumTransfo = TransformationCatalog.GetTransformation(inSR, outSR);
}
MapPoint proPoint = new MapPoint(easting, northing, inSR);
//Validate if transformation is needed.
if (datumTransfo != null)
{
geoPoint = (MapPoint)Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(proPoint, outSR, datumTransfo);
}
else
{
geoPoint = (MapPoint)Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(proPoint, outSR);
}
}
}
return(geoPoint);
}
