public bool PartHitTest(Geometry.Extent2D extent)
{
bool flag = false;
if (HitTestMultiResult.Count != 0)
{
HitTestMultiResult.Clear();
}
var layers = Enumerable.Reverse(Layers).ToList(); // test from top layers
foreach (MapLayer layer in layers)
{
if (layer.Visibility == Visibility.Visible)
{
Dictionary <Feature, VectorLayer> tempResult = layer.PartHitTest(extent);
if (tempResult.Count != 0)
{
flag = true;
foreach (var element in tempResult)
{
HitTestMultiResult.Add(element.Key, element.Value);
}
}
}
}
return(flag);
}
public bool HitTest(Point canvasPos)
{
Geometry.Point2D worldPos = GetWorldCoord(canvasPos);
var layers = Enumerable.Reverse(Layers).ToList(); // test from top layers
foreach (MapLayer layer in layers)
{
if (layer.Visibility == Visibility.Visible)
{
Feature f = layer.HitTest(worldPos);
if (f != null)
{
HitTestLayerResult = layer.LayerData;
HitTestFeatureResult = f;
HitTestMultiResult.Clear();
HitTestMultiResult.Add(HitTestFeatureResult, HitTestLayerResult);
return(true);
}
}
}
return(false);
}
