public static Node TryAutoGroup(Document document, Node addedNewShape)
{
var sketchNode = FindSketchNode(addedNewShape);
Point3D?firstPoint = null, lastPoint = null;
GeomUtils.GetExtremasPoints(addedNewShape, ref firstPoint, ref lastPoint);
if (firstPoint == null || lastPoint == null)
{
return(null);
}
firstPoint = new Point3D(firstPoint.Value.GpPnt.Transformed(sketchNode.Get <TransformationInterpreter>().CurrTransform));
lastPoint = new Point3D(lastPoint.Value.GpPnt.Transformed(sketchNode.Get <TransformationInterpreter>().CurrTransform));
var connections = new AutoGroupConnectionGraph();
connections.BuildConnectedLinks(document, addedNewShape.Index);
var addedEntiy = new SceneSelectedEntity {
Node = addedNewShape, ShapeType = TopAbsShapeEnum.TopAbs_WIRE
};
var groupCandidates = new List <SceneSelectedEntity> {
addedEntiy
};
var interpreter = addedNewShape.Get <TransformationInterpreter>();
if (interpreter == null)
{
return(null);
}
return(CandidateProcessing(document, groupCandidates,
(Point3D)firstPoint,
(Point3D)lastPoint,
connections, sketchNode));
}
private static void BuildShapeList(IList <SceneSelectedEntity> groupCandidates,
AutoGroupConnectionGraph connectionGraph, int topNode, Node root,
Point3D currentPoint, ICollection <Node> shapeList)
{
var possibleConnectios = connectionGraph.CanConnect[topNode].Keys;
foreach (var shapeNodeIndex in possibleConnectios)
{
var shapeNode = root[shapeNodeIndex];
var isCandidate = IsCandidate(groupCandidates, currentPoint, shapeNode);
if (isCandidate)
{
shapeList.Add(shapeNode);
}
}
}
private static Node CandidateProcessing(Document document, IList <SceneSelectedEntity> groupCandidates,
Point3D currentPoint, Point3D endPoint,
AutoGroupConnectionGraph connectionGraph, Node sketchNode)
{
var shapeList = new List <Node>();
var root = document.Root;
var topNode = groupCandidates[groupCandidates.Count - 1].Node.Index;
if (!connectionGraph.CanConnect.ContainsKey(topNode))
{
return(null);
}
BuildShapeList(groupCandidates, connectionGraph, topNode, root, currentPoint, shapeList);
foreach (var shapeNode in shapeList)
{
var nextPoint = GetNextPoint(shapeNode, currentPoint, sketchNode);
if (nextPoint == null)
{
continue;
}
var entity = new SceneSelectedEntity {
Node = shapeNode, ShapeType = TopAbsShapeEnum.TopAbs_WIRE
};
groupCandidates.Add(entity);
if (((Point3D)nextPoint).IsEqual(endPoint))
{
var indexes = groupCandidates.Select(candidate => candidate.Node.Index).ToList();
if (!indexesList.Any(item => new HashSet <int>(item).SetEquals(indexes)))
{
indexesList.Add(indexes);
}
}
else
{
CandidateProcessing(document, groupCandidates, (Point3D)nextPoint, endPoint,
connectionGraph, sketchNode);
}
groupCandidates.RemoveAt(groupCandidates.Count - 1);
}
return(null);
}
