void RemoveShortcuttedPolypoint(PolylinePoint pp, Dictionary <PointPair, Set <Metroline> > segsToPolylines)
{
var a = pp.Point;
var b = pp.Next.Point;
var c = pp.Next.Next.Point;
Set <Metroline> abPolylines, bcPolylines, abcPolylines;
FindPolylines(pp, segsToPolylines, out abPolylines, out bcPolylines, out abcPolylines);
double ab = (a - b).Length;
double bc = (b - c).Length;
double ac = (a - c).Length;
//fixing ink
if (abPolylines.Count == abcPolylines.Count)
{
ink -= ab;
}
if (bcPolylines.Count == abcPolylines.Count)
{
ink -= bc;
}
if (!segsToPolylines.ContainsKey(new PointPair(a, c)) || segsToPolylines[new PointPair(a, c)].Count == 0)
{
ink += ac;
}
//fixing edge lengths
foreach (var metroline in abcPolylines)
{
polylineLength[metroline] -= ab + bc - ac;
}
//fixing polylines
foreach (var metroline in abcPolylines)
{
RemovePolypoint(metroline.Polyline.PolylinePoints.First(p => p.Point == b));
CollectionUtilities.RemoveFromMap(segsToPolylines, new PointPair(a, b), metroline);
CollectionUtilities.RemoveFromMap(segsToPolylines, new PointPair(b, c), metroline);
CollectionUtilities.AddToMap(segsToPolylines, new PointPair(a, c), metroline);
}
}
void UnregisterPolylinePointInPathsThrough(PolylinePoint pp)
{
CollectionUtilities.RemoveFromMap(pathsThroughPoints, pp.Point, pp);
}