/// <summary>
/// construct list of nodes from a list of points and lines, this method finds the struts that belong
/// to each node, orient them correctly, and constructs a geometric representation of the individual nodes
/// from some base geometry which is oriented in a variety of ways
/// </summary>
/// <param name="nodeCenters"> the points where the nodes are positioned</param>
/// <param name="struts"> the lines that represent the struts, these must be intersecting the points at their endpoints</param>
/// <param name="strutDiameter"> the diameter of the struts</param>
/// <param name="drillDepth"> the depth that a strut should be sunk into the surface of node</param>
/// <param name="baseNode"></param>
/// <param name="nodeOrientationStrategy"></param>
/// <returns></returns>
public static List <Node> ByPointsLinesAndGeoOrientationStrategy(List <Point> nodeCenters, List <Line> struts, double strutDiameter, Solid baseNode, OrientationStrategy nodeOrientationStrategy, double drillDepth = 12.7)
{
int currentId = 1;
//prune all duplicate inputs from wireframe
var prunedPoints = Point.PruneDuplicates(nodeCenters);
var prunedLines = GeometryExtensions.PruneDuplicates(struts);
//find the adjacentLines for each node
var output = new List <Node>();
foreach (var centerPoint in prunedPoints)
{
//find adjacent struts for this node
var intersectingLines = findAdjacentLines(centerPoint, prunedLines);
var currentNode = new Node("N" + currentId.ToString().PadLeft(4, '0'), centerPoint, baseNode, intersectingLines, strutDiameter, drillDepth, nodeOrientationStrategy);
//get the most z face and store it as the holder face
var surfaces = baseNode.Explode().OfType <Surface>().OrderBy(x => x.PointAtParameter(.5, .5).Z).ToList();
currentNode.holderFacePreTransform = surfaces.Last();
surfaces.Remove(currentNode.holderFacePreTransform);
output.Add(currentNode);
surfaces.ForEach(x => x.Dispose());
//increment the string ID
var i = 0;
currentId = currentId + 1;
i++;
}
//from the set of nodes, find the unique struts and use these to update the ids of the struts as well as trim the lines to the correct length
// and update the final strut geometry
var graphEdges = UniqueStruts(output);
foreach (var edge in graphEdges)
{
var strutA = edge.GeometryEdges.First();
var strutB = edge.GeometryEdges.Last();
var nodeA = strutA.OwnerNode;
var nodeB = strutB.OwnerNode;
var indA = edge.GeometryEdges.First().OwnerNode.Struts.IndexOf(strutA);
var indB = edge.GeometryEdges.Last().OwnerNode.Struts.IndexOf(strutB);
var id = nodeA.ID + 'S' + indA.ToString() + "_" + nodeB.ID + 'S' + indB.ToString();
//update each struts id to a combination of both nodes and the strut index
foreach (var strut in edge.GeometryEdges)
{
strut.SetId(id);
strut.computeTrimmedLine(nodeA, nodeB);
strut.computeStrutGeometry();
}
}
return(output);
}
//debug
private static void DebugFailure(List <Point> nodeCenters, List <Line> struts, Solid baseNode)
{
//prune all duplicate inputs from wireframe
var prunedPoints = Point.PruneDuplicates(nodeCenters);
var prunedLines = GeometryExtensions.PruneDuplicates(struts);
foreach (var centerPoint in prunedPoints)
{
//find adjacent struts for this node
var intersectingLines = findAdjacentLines(centerPoint, prunedLines);
}
}
