/// <summary>
/// Select envelopes from geometry
/// </summary>
/// <param name="geometry">The geometry to select from</param>
private void SelectEnvelopesFromGeometry(Geometry geometry)
{
this.ResetSelectedRectangles();
var selectedEnvelopes = new EnvelopeList {
Envelopes = new List <Envelope>()
};
// do envelope hit test
VisualTreeHelper.HitTest(
this.mainCanvas,
null,
hitTestResult =>
{
var r = hitTestResult.VisualHit as Rectangle;
if (r != null)
{
var selectedEnvelope = r.Tag as Envelope;
if (selectedEnvelope != null)
{
selectedEnvelopes.Envelopes.Add(selectedEnvelope);
this.AddToSelectedRectangleEnvelopePairs(r, selectedEnvelope);
}
}
return(HitTestResultBehavior.Continue);
},
new GeometryHitTestParameters(geometry));
selectedEnvelopes.Envelopes.Sort(new SortByTimestamp());
this.analyzerService.UpdateSelectedEnvelopes(selectedEnvelopes);
}
/// <summary>
/// Update selected envelopes
/// </summary>
/// <param name="currentSelectedEnvelopes">Current selected envelope</param>
internal void UpdateSelectedEnvelopes(EnvelopeList currentSelectedEnvelopes)
{
Interlocked.Exchange(ref this.serviceState.CurrentSelectedEnvelopes, currentSelectedEnvelopes);
this.mainPort.Post(new EnvelopesSelected());
}