internal bool Run()
{
if (metroGraphData.Edges.Count() == 0)
{
return(false);
}
var splittingPoints = new Dictionary <PointPair, List <Point> >();
var treeOfVertices = new RTree <Point, Point>();
foreach (var vertex in Vertices())
{
var r = new Rectangle(vertex.Point);
r.Pad(ApproximateComparer.IntersectionEpsilon);
treeOfVertices.Add(r, vertex.Point);
}
var treeOfEdges = RectangleNode <PointPair, Point> .CreateRectangleNodeOnData(Edges(), e => new Rectangle(e.First, e.Second));
RectangleNodeUtils.CrossRectangleNodes <PointPair, Point>(treeOfEdges, treeOfEdges, (a, b) => IntersectTwoEdges(a, b, splittingPoints, treeOfVertices));
SortInsertedPoints(splittingPoints);
bool pointsInserted = InsertPointsIntoPolylines(splittingPoints);
bool progress = FixPaths();
bool pointsRemoved = RemoveUnimportantCrossings();
return(progress || pointsInserted || pointsRemoved);
}
private bool OverlapsExist()
{
if (this.Root == null)
{
return(false);
}
RectangleNodeUtils.CrossRectangleNodes <Obstacle, Point>(this.Root, this.Root, this.CheckForInitialOverlaps);
return(this.hasOverlaps);
}
static IEnumerable <IntPair> EnumeratePairsOfIntersectedPreGraphs(List <PreGraph> preGraphs)
{
var rn = RectangleNode <int> .CreateRectangleNodeOnData(Enumerable.Range(0, preGraphs.Count), i => preGraphs[i].boundingBox);
var list = new List <IntPair>();
RectangleNodeUtils.CrossRectangleNodes <int>(rn, rn, (a, b) => list.Add(new IntPair(a, b)));
return(list);
}
void FillTheMapOfShapeToTightLooseCouples()
{
var childrenShapeHierarchy =
RectangleNode <Shape> .CreateRectangleNodeOnEnumeration(
MainShape.Children.Select(s => new RectangleNode <Shape>(s, s.BoundingBox)));
RectangleNodeUtils.CrossRectangleNodes(childrenShapeHierarchy, coupleHierarchy,
TryMapShapeToTightLooseCouple);
}
private void AccumulateObstaclesForGroupOverlaps()
{
var groupObstacles = CalculateHierarchy(this.GetAllObstacles().Where(obs => obs.IsGroup));
var allPrimaryObstacles = CalculateHierarchy(this.GetAllObstacles().Where(obs => obs.IsPrimaryObstacle));
if ((groupObstacles == null) || (allPrimaryObstacles == null))
{
return;
}
RectangleNodeUtils.CrossRectangleNodes <Obstacle, Point>(groupObstacles, allPrimaryObstacles, this.EvaluateOverlappedPairForGroup);
}
private void AccumulateObstaclesForConvexHulls()
{
this.overlapPairs.Clear();
var allPrimaryNonGroupObstacles = CalculateHierarchy(this.GetAllObstacles().Where(obs => obs.IsPrimaryObstacle && !obs.IsGroup));
if (allPrimaryNonGroupObstacles == null)
{
return;
}
RectangleNodeUtils.CrossRectangleNodes <Obstacle, Point>(allPrimaryNonGroupObstacles, allPrimaryNonGroupObstacles, this.EvaluateOverlappedPairForConvexHull);
}
private void AccumulateObstaclesForClumps()
{
this.overlapPairs.Clear();
var rectangularObstacles = CalculateHierarchy(this.GetAllObstacles().Where(obs => !obs.IsGroup && obs.IsRectangle));
if (rectangularObstacles == null)
{
return;
}
RectangleNodeUtils.CrossRectangleNodes <Obstacle, Point>(rectangularObstacles, rectangularObstacles, this.EvaluateOverlappedPairForClump);
}
int CreateProximityEdgesWithRTree(List <Tuple <int, int, double, double> > proximityEdges)
{
var edgeSet = new HashSet <Tuple <int, int> >();
foreach (var proximityEdge in proximityEdges)
{
edgeSet.Add(Tuple.Create(proximityEdge.Item1, proximityEdge.Item2));
}
RectangleNode <int> rootNode =
RectangleNode <int> .CreateRectangleNodeOnEnumeration(
nodeSizes.Select((size, index) => new RectangleNode <int>(index, new Rectangle(size, nodePositions[index]))));
int numCrossings = 0;
RectangleNodeUtils.CrossRectangleNodes <int, int>(rootNode, rootNode,
(a, b) => {
if (a == b)
{
return;
}
double t;
double dist = GetOverlapFactorBetweenNodes
(
a, b,
nodePositions[a
],
nodePositions[b
],
nodeSizes, out t);
int smallId = a;
int bigId = b;
if (smallId > bigId)
{
smallId = b;
bigId = a;
}
if (!(t > 1) ||
edgeSet.Contains(new Tuple <int, int>(smallId, bigId)))
{
return;
}
proximityEdges.Add(Tuple.Create(smallId, bigId,
dist, t));
edgeSet.Add(new Tuple <int, int>(smallId, bigId));
numCrossings++;
});
return(numCrossings);
}
internal static Set <Tuple <Polyline, Polyline> > GetOverlappedPairSet(RectangleNode <Polyline> rootOfObstacleHierarchy)
{
var overlappingPairSet = new Set <Tuple <Polyline, Polyline> >();
RectangleNodeUtils.CrossRectangleNodes <Polyline>(rootOfObstacleHierarchy, rootOfObstacleHierarchy,
(a, b) =>
{
if (PolylinesIntersect(a, b))
{
overlappingPairSet.Insert(
new Tuple <Polyline, Polyline>(a, b));
}
});
return(overlappingPairSet);
}
void SetVertexTriangles()
{
var triangleTree =
RectangleNode <CdtTriangle, Point> .CreateRectangleNodeOnEnumeration(
CdtProperty.GetTriangles().Select(t => new RectangleNode <CdtTriangle, Point>(t, t.BoundingBox())));
var vertexTree =
RectangleNode <SdVertex, Point> .CreateRectangleNodeOnEnumeration(
vertexArray.Select(v => new RectangleNode <SdVertex, Point>(v, new Rectangle(v.Point))));
RectangleNodeUtils.CrossRectangleNodes(triangleTree, vertexTree, TryToAssigenTriangleToVertex);
// foreach (var v in vertexArray) {
// Debug.Assert(v.Triangle != null);
// }
}
/// <summary>
/// unite the nodes that are close to each other
/// </summary>
bool GlueConflictingNodes()
{
var circlesHierarchy = GetCirclesHierarchy();
if (circlesHierarchy == null)
{
return(false);
}
var gluingMap = new Dictionary <Station, Station>();
var gluedDomain = new Set <Station>();
RectangleNodeUtils.CrossRectangleNodes <Station>(circlesHierarchy, circlesHierarchy,
(i, j) => TryToGlueNodes(i, j, gluingMap, gluedDomain));
if (gluingMap.Count == 0)
{
return(false);
}
for (int i = 0; i < metroGraphData.Edges.Length; i++)
{
RegenerateEdge(gluingMap, i);
}
//can it be more efficient?
HashSet <Point> affectedPoints = new HashSet <Point>();
foreach (var s in gluedDomain)
{
affectedPoints.Add(s.Position);
foreach (var neig in s.Neighbors)
{
if (!neig.IsRealNode)
{
affectedPoints.Add(neig.Position);
}
}
}
//TimeMeasurer.DebugOutput("gluing nodes");
metroGraphData.Initialize(false);
SimulatedAnnealing.FixRouting(metroGraphData, bundlingSettings, affectedPoints);
return(true);
}
int CountCrossingsWithRTree(Size[] nodeSizes)
{
RectangleNode <int> rootNode =
RectangleNode <int> .CreateRectangleNodeOnEnumeration(
nodeSizes.Select((r, index) => new RectangleNode <int>(index, new Rectangle(r, nodePositions[index]))));
int numCrossings = 0;
RectangleNodeUtils.CrossRectangleNodes <int, int>(rootNode, rootNode,
(a, b) => {
if (a == b)
{
return;
}
numCrossings++;
});
return(numCrossings);
}