public void SelectNearest(Point coord)
{
// convert everything to screen coordinates to get the visually closest line
var cursor = coord.DataToScreen(Plotter2D.Transform);
RadioBandLine closest = null;
double closestDistance = double.MaxValue;
foreach (var line in GetLines())
{
Point leftPoint = new Point(line.Start, line.GroupAxisCoord).DataToScreen(Plotter2D.Transform);
Point rightPoint = new Point(line.End, line.GroupAxisCoord).DataToScreen(Plotter2D.Transform);
double distance = MathHelper.DistancePointToSegment(cursor, (leftPoint, rightPoint)).distance;
if (distance < closestDistance)
{
closestDistance = distance;
closest = line;
}
line.IsSelected = false;
}
closest.IsSelected = true;
}
public void AddLine(RadioBandLine radioBandLine) => Children.Add(radioBandLine);
