/// <summary>
/// create a horizontal nurbspline instance with specified z coordinate value
/// </summary>
public NurbSpline CreateNurbSpline(double z)
{
// create control points with same z value
List <XYZ> ctrPoints = new List <XYZ>();
Autodesk.Revit.DB.XYZ xyz1 = new Autodesk.Revit.DB.XYZ(-41.887503610431267, -9.0290629129782189, z);
Autodesk.Revit.DB.XYZ xyz2 = new Autodesk.Revit.DB.XYZ(-9.27600019217055, 0.32213521486563046, z);
Autodesk.Revit.DB.XYZ xyz3 = new Autodesk.Revit.DB.XYZ(9.27600019217055, 0.32213521486563046, z);
Autodesk.Revit.DB.XYZ xyz4 = new Autodesk.Revit.DB.XYZ(41.887503610431267, 9.0290629129782189, z);
ctrPoints.Add(xyz1); ctrPoints.Add(xyz2); ctrPoints.Add(xyz3);
ctrPoints.Add(xyz4);
DoubleArray weights = new DoubleArray();
double w1 = 1, w2 = 1, w3 = 1, w4 = 1;
weights.Append(ref w1); weights.Append(ref w2); weights.Append(ref w3);
weights.Append(ref w4);
DoubleArray knots = new DoubleArray();
double k0 = 0, k1 = 0, k2 = 0, k3 = 0, k4 = 34.425128, k5 = 34.425128, k6 = 34.425128, k7 = 34.425128;
knots.Append(ref k0); knots.Append(ref k1); knots.Append(ref k2); knots.Append(ref k3);
knots.Append(ref k4); knots.Append(ref k5); knots.Append(ref k6);
knots.Append(ref k7);
NurbSpline detailNurbSpline = m_revit.Application.Create.NewNurbSpline(ctrPoints, weights, knots, 3, false, true);
m_revit.ActiveUIDocument.Document.Regenerate();
return(detailNurbSpline);
}
public static DoubleArray ToDoubleArray(this double[] list)
{
var n = new DoubleArray();
list.ToList().ForEach(x => n.Append(ref x));
return(n);
}
/// <summary>
/// Convert array of points to list of xyz's
/// </summary>
/// <param name="list">The list to convert</param>
/// <returns></returns>
public static DoubleArray ToDoubleArray(this double[] list)
{
var n = new DoubleArray();
list.ToList().ForEach(x => n.Append(ref x));
return n;
}
public override Value Evaluate(FSharpList<Value> args)
{
var pts = ((Value.List)args[0]).Item.Select(
e => ((ReferencePoint)((Value.Container)e).Item).Position
).ToList();
foreach (ElementId el in this.Elements)
{
Element e;
if (dynUtils.TryGetElement(el, out e))
{
DeleteElement(el);
ns = null;
c = null;
}
}
if (pts.Count <= 1)
{
throw new Exception("Not enough reference points to make a curve.");
}
if (ns == null)
{
//make a curve
ns = this.UIDocument.Application.Application.Create.NewNurbSpline(
pts, Enumerable.Repeat(1.0, pts.Count).ToList());
}
else
{
DoubleArray arr = new DoubleArray();
var weights = Enumerable.Repeat(1.0, pts.Count).ToList();
foreach (double weight in weights)
{
double d = weight;
arr.Append(ref d);
}
//update the existing curve
ns.SetControlPointsAndWeights(pts, arr);
}
if (c == null)
{
double rawParam = ns.ComputeRawParameter(.5);
Transform t = ns.ComputeDerivatives(rawParam, false);
XYZ norm = t.BasisZ;
if (norm.GetLength() == 0)
{
norm = XYZ.BasisZ;
}
Plane p = new Plane(norm, t.Origin);
SketchPlane sp = this.UIDocument.Document.FamilyCreate.NewSketchPlane(p);
//sps.Add(sp);
c = (ModelNurbSpline) this.UIDocument.Document.FamilyCreate.NewModelCurve(ns, sp);
this.Elements.Add(c.Id);
}
else
{
c.GeometryCurve = ns;
}
return Value.NewContainer(c);
}
/// <summary>
/// create a horizontal nurbspline instance with specified z coordinate value
/// </summary>
public NurbSpline CreateNurbSpline(double z)
{
// create control points with same z value
List<XYZ> ctrPoints = new List<XYZ>();
Autodesk.Revit.DB.XYZ xyz1 = new Autodesk.Revit.DB.XYZ (-41.887503610431267, -9.0290629129782189, z);
Autodesk.Revit.DB.XYZ xyz2 = new Autodesk.Revit.DB.XYZ (-9.27600019217055, 0.32213521486563046, z);
Autodesk.Revit.DB.XYZ xyz3 = new Autodesk.Revit.DB.XYZ (9.27600019217055, 0.32213521486563046, z);
Autodesk.Revit.DB.XYZ xyz4 = new Autodesk.Revit.DB.XYZ (41.887503610431267, 9.0290629129782189, z);
ctrPoints.Add(xyz1); ctrPoints.Add(xyz2); ctrPoints.Add(xyz3);
ctrPoints.Add(xyz4);
DoubleArray weights = new DoubleArray();
double w1 = 1, w2 = 1, w3 = 1, w4 = 1;
weights.Append(ref w1); weights.Append(ref w2); weights.Append(ref w3);
weights.Append(ref w4);
DoubleArray knots = new DoubleArray();
double k0 = 0, k1 = 0, k2 = 0, k3 = 0, k4 = 34.425128, k5 = 34.425128, k6 = 34.425128, k7 = 34.425128;
knots.Append(ref k0); knots.Append(ref k1); knots.Append(ref k2); knots.Append(ref k3);
knots.Append(ref k4); knots.Append(ref k5); knots.Append(ref k6);
knots.Append(ref k7);
NurbSpline detailNurbSpline = m_revit.Application.Create.NewNurbSpline(ctrPoints, weights, knots, 3, false, true);
m_revit.ActiveUIDocument.Document.Regenerate();
return detailNurbSpline;
}
