protected Settings()
{
_settings = FileSettings.Instance;
_recordingLayerCoordinateSystem = _settings.RecordingLayerCoordinateSystem;
_cycloramaViewerCoordinateSystem = _settings.CycloramaViewerCoordinateSystem;
_overlayDrawDistance = _settings.OverlayDrawDistance;
}
/// <summary>
/// asynchronous function to request or this spatial reference exists in the current area
/// </summary>
public async Task <bool> ExistsInAreaAsync()
{
await QueuedTask.Run(() =>
{
if (ArcGisSpatialReference == null)
{
CreateSpatialReference();
}
if (ArcGisSpatialReference != null)
{
MapView activeView = MapView.Active;
Envelope envelope = null;
if (activeView == null)
{
FileSettings settings = FileSettings.Instance;
SpatialReference spatialReference = settings.CycloramaViewerCoordinateSystem;
if (spatialReference != null)
{
if (spatialReference.ArcGisSpatialReference == null)
{
spatialReference.CreateSpatialReference();
}
if (spatialReference.ArcGisSpatialReference != null)
{
Bounds bounds = spatialReference.NativeBounds;
var minCoordinate = new Coordinate2D(bounds.MinX, bounds.MinY);
var maxCoordinate = new Coordinate2D(bounds.MaxX, bounds.MaxY);
envelope = EnvelopeBuilder.CreateEnvelope(minCoordinate, maxCoordinate,
spatialReference.ArcGisSpatialReference);
}
}
}
else
{
envelope = activeView.Extent;
}
if (envelope != null)
{
ArcGISSpatialReference spatEnv = envelope.SpatialReference;
int spatEnvFactoryCode = spatEnv?.Wkid ?? 0;
if (spatEnv != null && spatEnvFactoryCode != ArcGisSpatialReference.Wkid)
{
try
{
ProjectionTransformation projection = ProjectionTransformation.Create(envelope.SpatialReference,
ArcGisSpatialReference);
if (!(GeometryEngine.Instance.ProjectEx(envelope, projection) is Envelope copyEnvelope) || copyEnvelope.IsEmpty)
{
ArcGisSpatialReference = null;
}
else
{
if (NativeBounds != null)
{
double xMin = NativeBounds.MinX;
double yMin = NativeBounds.MinY;
double xMax = NativeBounds.MaxX;
double yMax = NativeBounds.MaxY;
if (copyEnvelope.XMin < xMin || copyEnvelope.XMax > xMax || copyEnvelope.YMin < yMin ||
copyEnvelope.YMax > yMax)
{
ArcGisSpatialReference = null;
}
}
}
}
catch (ArgumentException)
{
ArcGisSpatialReference = null;
}
}
