private List <Line> CrossLines(double d)
{
var lines = new List <Line>();
var nodes = new List <Point3d>();
// Generate nodes
CellTools.MakeCornerNodes(ref nodes, d);
// Generate struts
foreach (int i in (new int[2] {
5, 7
}))
{
lines.Add(new Line(nodes[0], nodes[i]));
lines.Add(new Line(nodes[2], nodes[i]));
}
foreach (int i in (new int[2] {
4, 6
}))
{
lines.Add(new Line(nodes[1], nodes[i]));
lines.Add(new Line(nodes[3], nodes[i]));
}
foreach (int i in (new int[4] {
0, 1, 4, 5
}))
{
lines.Add(new Line(nodes[i], nodes[i + 2]));
}
return(lines);
}
private List <Line> GridLines(double d)
{
var lines = new List <Line>();
var nodes = new List <Point3d>();
// Generate nodes
CellTools.MakeCornerNodes(ref nodes, d);
// Generate struts
foreach (int i in (new int[3] {
1, 3, 4
}))
{
lines.Add(new Line(nodes[0], nodes[i]));
}
foreach (int i in (new int[3] {
1, 3, 6
}))
{
lines.Add(new Line(nodes[2], nodes[i]));
}
foreach (int i in (new int[3] {
1, 4, 6
}))
{
lines.Add(new Line(nodes[5], nodes[i]));
}
foreach (int i in (new int[3] {
3, 4, 6
}))
{
lines.Add(new Line(nodes[7], nodes[i]));
}
return(lines);
}
private List <Line> OctetLines(double d)
{
var lines = new List <Line>();
var nodes = new List <Point3d>();
// Generate nodes
CellTools.MakeCornerNodes(ref nodes, d);
nodes.Add(new Point3d(d, d / 2, d / 2));
nodes.Add(new Point3d(d / 2, d, d / 2));
nodes.Add(new Point3d(0, d / 2, d / 2));
nodes.Add(new Point3d(d / 2, 0, d / 2));
nodes.Add(new Point3d(d / 2, d / 2, 0));
nodes.Add(new Point3d(d / 2, d / 2, d));
// Generate struts
foreach (int i in new int[8] {
0, 1, 2, 3, 8, 9, 10, 11
})
{
lines.Add(new Line(nodes[12], nodes[i]));
}
foreach (int i in new int[8] {
4, 5, 6, 7, 8, 9, 10, 11
})
{
lines.Add(new Line(nodes[13], nodes[i]));
}
foreach (int i in new int[4] {
0, 3, 4, 7
})
{
lines.Add(new Line(nodes[10], nodes[i]));
}
foreach (int i in new int[6] {
2, 3, 6, 7, 8, 10
})
{
lines.Add(new Line(nodes[9], nodes[i]));
}
foreach (int i in new int[4] {
1, 2, 5, 6
})
{
lines.Add(new Line(nodes[8], nodes[i]));
}
foreach (int i in new int[6] {
0, 1, 4, 5, 8, 10
})
{
lines.Add(new Line(nodes[11], nodes[i]));
}
return(lines);
}
private List <Line> TesseractLines(double d)
{
var lines = new List <Line>();
var nodes = new List <Point3d>();
// Generate nodes
CellTools.MakeCornerNodes(ref nodes, d);
nodes.Add(new Point3d(d / 4, d / 4, d / 4));
nodes.Add(new Point3d(3 * d / 4, d / 4, d / 4));
nodes.Add(new Point3d(3 * d / 4, 3 * d / 4, d / 4));
nodes.Add(new Point3d(d / 4, 3 * d / 4, d / 4));
nodes.Add(new Point3d(d / 4, d / 4, 3 * d / 4));
nodes.Add(new Point3d(3 * d / 4, d / 4, 3 * d / 4));
nodes.Add(new Point3d(3 * d / 4, 3 * d / 4, 3 * d / 4));
nodes.Add(new Point3d(d / 4, 3 * d / 4, 3 * d / 4));
// Generate struts
foreach (int i in (new int[3] {
1, 3, 4
}))
{
lines.Add(new Line(nodes[0], nodes[i]));
lines.Add(new Line(nodes[8], nodes[i + 8]));
}
foreach (int i in (new int[3] {
1, 3, 6
}))
{
lines.Add(new Line(nodes[2], nodes[i]));
lines.Add(new Line(nodes[10], nodes[i + 8]));
}
foreach (int i in (new int[3] {
1, 4, 6
}))
{
lines.Add(new Line(nodes[5], nodes[i]));
lines.Add(new Line(nodes[13], nodes[i + 8]));
}
foreach (int i in (new int[3] {
3, 4, 6
}))
{
lines.Add(new Line(nodes[7], nodes[i]));
lines.Add(new Line(nodes[15], nodes[i + 8]));
}
for (int i = 0; i < 8; i++)
{
lines.Add(new Line(nodes[i], nodes[i + 8]));
}
return(lines);
}
private List <Line> XLines(double d)
{
var lines = new List <Line>();
var nodes = new List <Point3d>();
// Generate nodes
CellTools.MakeCornerNodes(ref nodes, d);
// Generate struts
lines.Add(new Line(nodes[0], nodes[6]));
lines.Add(new Line(nodes[1], nodes[7]));
lines.Add(new Line(nodes[3], nodes[5]));
lines.Add(new Line(nodes[2], nodes[4]));
return(lines);
}
/// <summary>
/// Formats the line input into the UnitCell object. It converts the list of lines into
/// a list of unique nodes and unique node pairs, ignoring duplicates.
/// </summary>
private void ExtractTopology(List <Line> lines)
{
double tol = RhinoDoc.ActiveDoc.ModelAbsoluteTolerance;
CellTools.FixIntersections(ref lines);
// Iterate through list of lines
foreach (Line line in lines)
{
// Get line, and it's endpoints
Point3d[] pts = new Point3d[] { line.From, line.To };
List <int> nodeIndices = new List <int>();
// Loop over end points, being sure to not create the same node twice
foreach (Point3d pt in pts)
{
int closestIndex = this.Nodes.ClosestIndex(pt); // find closest node to current pt
// If node already exists
if (this.Nodes.Count != 0 && this.Nodes[closestIndex].EpsilonEquals(pt, tol))
{
nodeIndices.Add(closestIndex);
}
// If it doesn't exist, add it
else
{
this.Nodes.Add(pt);
nodeIndices.Add(this.Nodes.Count - 1);
}
}
IndexPair nodePair = new IndexPair(nodeIndices[0], nodeIndices[1]);
// If not duplicate strut, save it
if (this.NodePairs.Count == 0 || !NodePairs.Contains(nodePair))
{
this.NodePairs.Add(nodePair);
}
}
}