/// <summary>
/// Gets the space edge set.
/// </summary>
/// <param name="box"></param>
/// <returns></returns>
public static List <Line> GetSpaceEdges(this BoundingBoxXYZ box)
{
var vectors = box.GetSpaceVectors();
var p1 = vectors[0];
var p2 = vectors[1];
var p3 = vectors[2];
var p4 = vectors[3];
var p5 = vectors[4];
var p6 = vectors[5];
var p7 = vectors[6];
var p8 = vectors[7];
var p12 = Line.CreateBound(p1, p2);
var p14 = Line.CreateBound(p1, p4);
var p15 = Line.CreateBound(p1, p5);
var p23 = Line.CreateBound(p2, p3);
var p24 = Line.CreateBound(p2, p4);
var p34 = Line.CreateBound(p3, p4);
var p37 = Line.CreateBound(p3, p7);
var p48 = Line.CreateBound(p4, p8);
var p56 = Line.CreateBound(p5, p6);
var p58 = Line.CreateBound(p5, p8);
var p67 = Line.CreateBound(p6, p7);
var p78 = Line.CreateBound(p7, p8);
return(new List <Line> {
p12, p14, p15, p23, p24, p34, p37, p48, p56, p58, p67, p78
});
}