public Feature HitTest(Geometry.Point2D worldPos)
{
Feature result = null;
if (LayerData.GeoType == "1")
{
foreach (Feature f in LayerData.Features)
{
Geometry.Point2D p = new Geometry.Point2D(f.GeoData);
if (p.DistTo(worldPos) < 5 * MapControl.Current.Scale)
{
result = f;
break;
}
}
}
else if (LayerData.GeoType == "2")
{
foreach (Feature f in LayerData.Features)
{
Geometry.Polyline poly = new Geometry.Polyline(f.GeoData);
if (poly.DistToPoint(worldPos) < 5 * MapControl.Current.Scale)
{
result = f;
break;
}
}
}
else if (LayerData.GeoType == "4")
{
foreach (Feature f in LayerData.Features)
{
Geometry.Polygon poly = new Geometry.Polygon(f.GeoData);
if (poly.IsPointIn(worldPos))
{
result = f;
break;
}
}
}
return(result);
}