public virtual ITrackerFeature GetTrackerAtCoordinate(ICoordinate worldPos)
{
for (int i = 0; i < trackers.Count; i++)
{
ITrackerFeature trackerFeature = trackers[i];
ICoordinate size;
if (null != trackerFeature.Bitmap)
{
size = CoordinateConverter.ImageToWorld(trackerFeature.Bitmap.Width, trackerFeature.Bitmap.Height);
}
else
{
// hack for RegularGridCoverageLayer
size = CoordinateConverter.ImageToWorld(6, 6);
}
IEnvelope boundingBox = MapControlHelper.GetEnvelope(worldPos, size.X, size.Y);
if (trackerFeature.Geometry.EnvelopeInternal.Intersects(boundingBox))
{
return(trackerFeature);
}
}
return(null);
}
public override ITrackerFeature GetTrackerAtCoordinate(ICoordinate worldPos)
{
ITrackerFeature trackerFeature = base.GetTrackerAtCoordinate(worldPos);
if (null == trackerFeature)
{
ICoordinate org = CoordinateConverter.ImageToWorld(new PointF(0, 0));
ICoordinate range = CoordinateConverter.ImageToWorld(new PointF(6, 6)); // todo make attribute
if (SourceFeature.Geometry.Distance(GeometryFactory.CreatePoint(worldPos)) < Math.Abs(range.X - org.X))
{
return(AllTracker);
}
}
return(trackerFeature);
}
