/// <summary>
/// Creates one model curve on a plane with an origin at 0,0,0
/// </summary>
/// <param name="mc1"></param>
protected void CreateOneModelCurve(out ModelCurve mc1)
{
//create two model curves
using (_trans = _trans = new Transaction(DocumentManager.Instance.CurrentUIDocument.Document, "CreateTwoModelCurves"))
{
_trans.Start();
var p1 = new Plane(XYZ.BasisZ, XYZ.Zero);
SketchPlane sp1 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewSketchPlane(p1);
Curve c1 = DocumentManager.Instance.CurrentUIApplication.Application.Create.NewLineBound(XYZ.Zero, new XYZ(1, 0, 0));
mc1 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewModelCurve(c1, sp1);
_trans.Commit();
}
}
/// <summary>
/// Creates one model curve on a plane with an origin at 0,0,0
/// </summary>
/// <param name="mc1"></param>
protected void CreateOneModelCurve(out ModelCurve mc1)
{
//create two model curves
using (_trans = _trans = new Transaction(dynRevitSettings.Doc.Document, "CreateTwoModelCurves"))
{
_trans.Start();
Plane p1 = new Plane(XYZ.BasisZ, XYZ.Zero);
SketchPlane sp1 = dynRevitSettings.Doc.Document.FamilyCreate.NewSketchPlane(p1);
Curve c1 = dynRevitSettings.Revit.Application.Create.NewLineBound(XYZ.Zero, new XYZ(1, 0, 0));
mc1 = dynRevitSettings.Doc.Document.FamilyCreate.NewModelCurve(c1, sp1);
_trans.Commit();
}
}
public static Curve Flatten3dCurveOnPlane(Curve c, Plane plane)
{
XYZ meanPt = null;
List <XYZ> orderedEigenvectors;
XYZ normal;
if (c is HermiteSpline)
{
var hs = c as HermiteSpline;
if (plane == null)
{
plane = GetPlaneFromCurve(c, false);
}
var projPoints = new List <XYZ>();
foreach (var pt in hs.ControlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return(dynRevitSettings.Revit.Application.Create.NewHermiteSpline(projPoints, false));
}
if (c is NurbSpline)
{
var ns = c as NurbSpline;
BestFitLine.PrincipalComponentsAnalysis(ns.CtrlPoints.ToList(), out meanPt, out orderedEigenvectors);
normal = orderedEigenvectors[0].CrossProduct(orderedEigenvectors[1]).Normalize();
if (plane == null)
{
plane = dynRevitSettings.Doc.Application.Application.Create.NewPlane(normal, meanPt);
}
var projPoints = new List <XYZ>();
foreach (var pt in ns.CtrlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return(dynRevitSettings.Revit.Application.Create.NewNurbSpline(projPoints, ns.Weights, ns.Knots, ns.Degree, ns.isClosed, ns.isRational));
}
return(c);
}
public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
var pts = ((FScheme.Value.List)args[0]).Item.Select(
x => ((ReferencePoint)((FScheme.Value.Container)x).Item).Position
).ToList();
if (pts.Count <= 1)
{
throw new Exception("Not enough reference points to make a curve.");
}
var ns = UIDocument.Application.Application.Create.NewNurbSpline(
pts, Enumerable.Repeat(1.0, pts.Count).ToList());
ModelNurbSpline c;
if (Elements.Any() && dynUtils.TryGetElement(Elements[0], out c))
{
ModelCurve.setCurveMethod(c, ns); //c.GeometryCurve = ns;
}
else
{
Elements.Clear();
double rawParam = ns.ComputeRawParameter(.5);
Transform t = ns.ComputeDerivatives(rawParam, false);
XYZ norm = t.BasisZ;
if (norm.GetLength() == 0)
{
norm = XYZ.BasisZ;
}
Autodesk.Revit.DB.Plane p = new Autodesk.Revit.DB.Plane(norm, t.Origin);
Autodesk.Revit.DB.SketchPlane sp = this.UIDocument.Document.FamilyCreate.NewSketchPlane(p);
//sps.Add(sp);
c = UIDocument.Document.FamilyCreate.NewModelCurve(ns, sp) as ModelNurbSpline;
Elements.Add(c.Id);
}
return(FScheme.Value.NewContainer(c));
}
public Autodesk.Revit.DB.ModelCurve MakeLine(Document doc, XYZ ptA, XYZ ptB)
{
Autodesk.Revit.ApplicationServices.Application app = doc.Application;
// Create plane by the points
Line line = app.Create.NewLine(ptA, ptB, true);
XYZ norm = ptA.CrossProduct(ptB);
double length = norm.GetLength();
if (length == 0)
{
norm = XYZ.BasisZ;
}
Autodesk.Revit.DB.Plane plane = app.Create.NewPlane(norm, ptB);
Autodesk.Revit.DB.SketchPlane skplane = doc.FamilyCreate.NewSketchPlane(plane);
// Create line here
Autodesk.Revit.DB.ModelCurve modelcurve = doc.FamilyCreate.NewModelCurve(line, skplane);
return(modelcurve);
}
bool resetPlaneofSketchPlaneElement(Autodesk.Revit.DB.SketchPlane sp, Autodesk.Revit.DB.Plane p)
{
XYZ newOrigin = p.Origin;
XYZ newNorm = p.Normal;
var oldP = sp.Plane;
XYZ oldOrigin = oldP.Origin;
XYZ oldNorm = oldP.Normal;
if (oldNorm.IsAlmostEqualTo(newNorm))
{
XYZ moveVec = newOrigin - oldOrigin;
if (moveVec.GetLength() > 0.000000001)
{
ElementTransformUtils.MoveElement(this.UIDocument.Document, sp.Id, moveVec);
}
return(true);
}
//rotation might not work for sketch planes
return(false);
}
/// <summary>
/// Make a SketchPlane from a plane
/// </summary>
/// <param name="p"></param>
private SketchPlane(Autodesk.Revit.DB.Plane p)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldEle =
ElementBinder.GetElementFromTrace <Autodesk.Revit.DB.SketchPlane>(Document);
//There was an element, bind & mutate
if (oldEle != null)
{
InternalSetSketchPlane(oldEle);
if (InternalSetPlane(p))
{
return;
}
// if setting the plane fails, we delete the old Element
// in order to create a new one
DocumentManager.Instance.DeleteElement(oldEle.Id);
}
//Phase 2- There was no existing element, create new
TransactionManager.Instance.EnsureInTransaction(Document);
Autodesk.Revit.DB.SketchPlane sp;
if (Document.IsFamilyDocument)
{
sp = Document.FamilyCreate.NewSketchPlane(p);
}
else
{
sp = Document.Create.NewSketchPlane(p);
}
InternalSetSketchPlane(sp);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(this.InternalElement);
}
/// <summary>
/// Convert a DS Arc to a Revit arc
/// </summary>
/// <param name="arc"></param>
/// <returns></returns>
private static Autodesk.Revit.DB.Arc Convert(Autodesk.DesignScript.Geometry.Arc arc)
{
// convert
var center = arc.CenterPoint.ToXyz();
var sp = arc.StartPoint.ToXyz();
// get the xaxis of the arc base plane
var x = (sp - center).Normalize();
// get a second vector in the plane
var vecY = (arc.PointAtParameter(0.1).ToXyz() - center);
// get the normal to the plane
var n2 = x.CrossProduct(vecY).Normalize();
// obtain the y axis in the plane - perp to x and z
var y = n2.CrossProduct(x);
var plane = new Autodesk.Revit.DB.Plane(x, y, center);
return(Autodesk.Revit.DB.Arc.Create(plane, arc.Radius, 0, arc.SweepAngle.ToRadians()));
}
/// <summary>
/// Set the plane and the curve internally.
/// </summary>
private void InternalSetSketchPlaneFromCurve(Curve newCurve)
{
TransactionManager.Instance.EnsureInTransaction(Document);
Plane newPlane = CurveUtils.GetPlaneFromCurve(newCurve, false);
Plane oldPlane = InternalCurveElement.SketchPlane.GetPlane();
var angleBetweenPlanes = newPlane.Normal.AngleTo(oldPlane.Normal);
var distanceBetweenOrigins = newPlane.Origin.DistanceTo(oldPlane.Origin);
Autodesk.Revit.DB.SketchPlane sp = null;
// Planes are different.
if (angleBetweenPlanes > tolerance || distanceBetweenOrigins > tolerance)
{
sp = GetSketchPlaneFromCurve(newCurve);
InternalCurveElement.SetSketchPlaneAndCurve(sp, newCurve);
}
// Planes are the same.
else
{
InternalSetCurve(newCurve);
}
string idSpUnused = String.Empty;
if (sp != null && InternalCurveElement.SketchPlane.Id != sp.Id)
{
idSpUnused = sp.UniqueId;
}
// if we got a valid id, delete the old sketch plane
if (idSpUnused != String.Empty)
{
DocumentManager.Instance.DeleteElement(new ElementUUID(idSpUnused));
}
TransactionManager.Instance.TransactionTaskDone();
}
private static Curve Flatten3dCurveOnPlane(Curve c, Plane plane)
{
if (c is Autodesk.Revit.DB.HermiteSpline)
{
var hs = c as Autodesk.Revit.DB.HermiteSpline;
plane = CurveUtils.GetPlaneFromCurve(c, false);
var projPoints = new List <XYZ>();
foreach (var pt in hs.ControlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return(Autodesk.Revit.DB.HermiteSpline.Create(projPoints, false));
}
if (c is Autodesk.Revit.DB.NurbSpline)
{
var ns = c as Autodesk.Revit.DB.NurbSpline;
if (plane == null)
{
var bestFitPlane = Autodesk.DesignScript.Geometry.Plane.ByBestFitThroughPoints(
ns.CtrlPoints.ToList().ToPoints(false));
plane = bestFitPlane.ToPlane(false);
}
var projPoints = new List <XYZ>();
foreach (var pt in ns.CtrlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return(Autodesk.Revit.DB.NurbSpline.Create(projPoints, ns.Weights.Cast <double>().ToList(), ns.Knots.Cast <double>().ToList(), ns.Degree, ns.isClosed, ns.isRational));
}
return(c);
}
/// <summary>
/// Attempt to set the plane of an existing SketchPlane
/// </summary>
/// <param name="p"></param>
/// <returns>False if the new sketch plane is not parallel to the existing one</returns>
private bool InternalSetPlane(Autodesk.Revit.DB.Plane p)
{
var sp = this.InternalSketchPlane;
XYZ newOrigin = p.Origin;
XYZ newNorm = p.Normal;
var oldP = sp.GetPlane();
XYZ oldOrigin = oldP.Origin;
XYZ oldNorm = oldP.Normal;
if (oldNorm.IsAlmostEqualTo(newNorm))
{
XYZ moveVec = newOrigin - oldOrigin;
if (moveVec.GetLength() > 0.000000001)
{
ElementTransformUtils.MoveElement(Document, sp.Id, moveVec);
}
return(true);
}
return(false);
}
private static Autodesk.Revit.DB.Arc Convert(Autodesk.DesignScript.Geometry.Circle circ)
{
// convert
var center = circ.CenterPoint.ToXyz(false);
var sp = circ.StartPoint.ToXyz(false);
// get the xaxis of the arc base plane normalized
var x = (sp - center).Normalize();
// get a second vector in the plane
var vecY = (circ.PointAtParameter(0.1).ToXyz(false) - center);
// get the normal to the plane
var n2 = x.CrossProduct(vecY).Normalize();
// obtain the y axis in the plane - perp to x and z
var y = n2.CrossProduct(x);
var plane = new Autodesk.Revit.DB.Plane(x, y, center);
return(Autodesk.Revit.DB.Arc.Create(plane, circ.Radius, 0, 2 * System.Math.PI));
}
private XYZ linePlaneIntersection(Autodesk.Revit.DB.Plane plane, XYZ p0, XYZ p1)
{
//http://www.thepolygoners.com/tutorials/lineplane/lineplane.html
var v = (p1 - p0);
var n = plane.Normal;
var p2 = plane.Origin;
var denom = n.DotProduct(v);
//line is parallel to plane
if (denom == 0.0)
{
return(null);
}
var t = n.DotProduct(p2 - p0) / denom;
if (t >= 0 && t <= 1)
{
return(p0 + v.Multiply(t));
}
return(null);
}
static public Rhino.Geometry.Plane ToRhino(this Autodesk.Revit.DB.Plane plane)
{
return(new Rhino.Geometry.Plane(plane.Origin.ToRhino(), (Vector3d)plane.XVec.ToRhino(), (Vector3d)plane.YVec.ToRhino()));
}
private static Autodesk.Revit.DB.SketchPlane GetSketchPlaneFromCurve(Curve c)
{
Plane plane = CurveUtils.GetPlaneFromCurve(c, false);
return(Autodesk.Revit.DB.SketchPlane.Create(Document, plane));
}
public static XYZ ProjectPointOnPlane(XYZ pt, Plane plane)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
return proj;
}
public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
var c = (Curve)((FScheme.Value.Container)args[0]).Item;
Autodesk.Revit.DB.ModelCurve mc = null;
Curve flattenCurve = null;
Autodesk.Revit.DB.Plane plane = dynRevitUtils.GetPlaneFromCurve(c, false);
//instead of changing Revit curve keep it "as is"
//user might have trouble modifying curve in Revit if it is off the sketch plane
if (this.Elements.Any())
{
bool needsRemake = false;
if (dynUtils.TryGetElement(this.Elements[0], out mc))
{
ElementId idSpUnused = ModelCurve.resetSketchPlaneMethod(mc, c, plane, out needsRemake);
if (idSpUnused != ElementId.InvalidElementId)
{
this.DeleteElement(idSpUnused);
}
//mc.SketchPlane = sp;
if (!needsRemake)
{
if (!mc.GeometryCurve.IsBound && c.IsBound)
{
c = c.Clone();
c.MakeUnbound();
}
ModelCurve.setCurveMethod(mc, c); //mc.GeometryCurve = c;
}
else
{
this.DeleteElement(this.Elements[0]);
}
}
else
{
needsRemake = true;
}
if (needsRemake)
{
var sp = dynRevitUtils.GetSketchPlaneFromCurve(c);
if (dynRevitUtils.GetPlaneFromCurve(c, true) == null)
{
flattenCurve = dynRevitUtils.Flatten3dCurveOnPlane(c, plane);
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(flattenCurve, sp)
: this.UIDocument.Document.Create.NewModelCurve(flattenCurve, sp);
ModelCurve.setCurveMethod(mc, c);
}
else
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(c, sp)
: this.UIDocument.Document.Create.NewModelCurve(c, sp);
}
mc.ChangeToReferenceLine();
this.Elements[0] = mc.Id;
//mc.SketchPlane = sp;
if (mc.SketchPlane.Id != sp.Id)
{
//THIS BIZARRE as Revit could use different existing SP, so if Revit had found better plane this sketch plane has no use
this.DeleteElement(sp.Id);
}
this.Elements[0] = mc.Id;
}
}
else
{
var sp = dynRevitUtils.GetSketchPlaneFromCurve(c);
if (dynRevitUtils.GetPlaneFromCurve(c, true) == null)
{
flattenCurve = dynRevitUtils.Flatten3dCurveOnPlane(c, plane);
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(flattenCurve, sp)
: this.UIDocument.Document.Create.NewModelCurve(flattenCurve, sp);
ModelCurve.setCurveMethod(mc, c);
}
else
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(c, sp)
: this.UIDocument.Document.Create.NewModelCurve(c, sp);
}
this.Elements.Add(mc.Id);
mc.ChangeToReferenceLine();
//mc.SketchPlane = sp;
if (mc.SketchPlane.Id != sp.Id)
{
//found better plane
this.DeleteElement(sp.Id);
}
}
return(FScheme.Value.NewContainer(mc));
}
public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
Autodesk.Revit.DB.CurveLoop cl = (Autodesk.Revit.DB.CurveLoop)((FScheme.Value.Container)args[0]).Item;
if (cl == null)
{
throw new InvalidOperationException("No curve loop");
}
Autodesk.Revit.DB.Plane plane = cl.GetPlane();
if (plane == null)
{
throw new InvalidOperationException("Curve loop is not planar");
}
var mcs = new System.Collections.Generic.List <Autodesk.Revit.DB.ModelCurve>();
var listCurves = new System.Collections.Generic.List <Curve> ();
CurveLoopIterator CLiter = cl.GetCurveLoopIterator();
for (; CLiter.MoveNext();)
{
listCurves.Add(CLiter.Current.Clone());
}
int numCurves = listCurves.Count;
Autodesk.Revit.DB.SketchPlane sp = null;
for (int index = 0; index < numCurves; index++)
{
//instead of changing Revit curve keep it "as is"
//user might have trouble modifying curve in Revit if it is off the sketch plane
Autodesk.Revit.DB.ModelCurve mc = null;
if (this.Elements.Any() && index < this.Elements.Count)
{
bool needsRemake = false;
if (dynUtils.TryGetElement(this.Elements[index], out mc))
{
ElementId idSpUnused = ModelCurve.resetSketchPlaneMethod(mc, listCurves[index], plane, out needsRemake);
if (idSpUnused != ElementId.InvalidElementId && index == numCurves - 1)
{
this.DeleteElement(idSpUnused);
}
if (!needsRemake)
{
if (!mc.GeometryCurve.IsBound && listCurves[index].IsBound)
{
listCurves[index] = listCurves[index].Clone();
listCurves[index].MakeUnbound();
}
ModelCurve.setCurveMethod(mc, listCurves[index]); // mc.GeometryCurve = c;
}
else
{
this.DeleteElement(this.Elements[index]);
}
}
else
{
needsRemake = true;
}
if (needsRemake)
{
if (sp == null)
{
sp = dynRevitSettings.Doc.Document.IsFamilyDocument ?
dynRevitSettings.Doc.Document.FamilyCreate.NewSketchPlane(plane) :
dynRevitSettings.Doc.Document.Create.NewSketchPlane(plane);
}
if (dynRevitUtils.GetPlaneFromCurve(listCurves[index], true) == null)
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(listCurves[index], sp)
: this.UIDocument.Document.Create.NewModelCurve(listCurves[index], sp);
ModelCurve.setCurveMethod(mc, listCurves[index]);
}
else
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(listCurves[index], sp)
: this.UIDocument.Document.Create.NewModelCurve(listCurves[index], sp);
}
if (index < this.Elements.Count)
{
this.Elements[index] = mc.Id;
}
else
{
this.Elements.Add(mc.Id);
}
if (mc.SketchPlane.Id != sp.Id && index == numCurves - 1)
{
//THIS BIZARRE as Revit could use different existing SP, so if Revit had found better plane this sketch plane has no use
this.DeleteElement(sp.Id);
}
}
}
else
{
if (sp == null)
{
sp = dynRevitSettings.Doc.Document.IsFamilyDocument ?
dynRevitSettings.Doc.Document.FamilyCreate.NewSketchPlane(plane) :
dynRevitSettings.Doc.Document.Create.NewSketchPlane(plane);
}
if (dynRevitUtils.GetPlaneFromCurve(listCurves[index], true) == null)
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(listCurves[index], sp)
: this.UIDocument.Document.Create.NewModelCurve(listCurves[index], sp);
ModelCurve.setCurveMethod(mc, listCurves[index]);
}
else
{
mc = this.UIDocument.Document.IsFamilyDocument
? this.UIDocument.Document.FamilyCreate.NewModelCurve(listCurves[index], sp)
: this.UIDocument.Document.Create.NewModelCurve(listCurves[index], sp);
}
this.Elements.Add(mc.Id);
if (mc.SketchPlane.Id != sp.Id && index == numCurves - 1)
{
//found better plane
this.DeleteElement(sp.Id);
}
}
if (mc != null)
{
mcs.Add(mc);
}
}
FSharpList <FScheme.Value> results = FSharpList <FScheme.Value> .Empty;
foreach (var mc in mcs)
{
results = FSharpList <FScheme.Value> .Cons(FScheme.Value.NewContainer(mc), results);
}
return(FScheme.Value.NewList(Utils.SequenceToFSharpList(results.Reverse())));
}
public static XYZ ProjectPointOnPlane(XYZ pt, Plane plane)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
return(proj);
}
public static Plane ToPlane(this DB.Plane value)
{
var rhino = RawDecoder.AsPlane(value); UnitConverter.Scale(ref rhino, UnitConverter.ToRhinoUnits); return(rhino);
}
public static Plane ToRhino(DB.Plane plane)
{
return(new Plane(ToRhino(plane.Origin), (Vector3d)ToRhino(plane.XVec), (Vector3d)ToRhino(plane.YVec)));
}
//returns unused sketch plane id
static public ElementId resetSketchPlaneMethod(Autodesk.Revit.DB.ModelCurve mc, Curve c, Autodesk.Revit.DB.Plane flattenedOnPlane, out bool needsSketchPlaneReset)
{
//do we need to reset?
needsSketchPlaneReset = false;
Autodesk.Revit.DB.Plane newPlane = flattenedOnPlane != null ? flattenedOnPlane : dynRevitUtils.GetPlaneFromCurve(c, false);
Autodesk.Revit.DB.Plane curPlane = mc.SketchPlane.Plane;
bool resetPlane = false;
{
double llSqCur = curPlane.Normal.DotProduct(curPlane.Normal);
double llSqNew = newPlane.Normal.DotProduct(newPlane.Normal);
double dotP = newPlane.Normal.DotProduct(curPlane.Normal);
double dotSqNormalized = (dotP / llSqCur) * (dotP / llSqNew);
double angleTol = Math.PI / 1800.0;
if (dotSqNormalized < 1.0 - angleTol * angleTol)
{
resetPlane = true;
}
}
Autodesk.Revit.DB.SketchPlane sp = null;
if (!resetPlane)
{
double originDiff = curPlane.Normal.DotProduct(curPlane.Origin - newPlane.Origin);
double tolerance = 0.000001;
if (originDiff > tolerance || originDiff < -tolerance)
{
sp = dynRevitUtils.GetSketchPlaneFromCurve(c);
mc.SketchPlane = dynRevitUtils.GetSketchPlaneFromCurve(c);
}
return((sp == null || mc.SketchPlane.Id == sp.Id) ? ElementId.InvalidElementId : sp.Id);
}
//do reset if method is available
bool foundMethod = false;
if (hasMethodResetSketchPlane)
{
Type CurveElementType = typeof(Autodesk.Revit.DB.CurveElement);
MethodInfo[] curveElementMethods = CurveElementType.GetMethods(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
System.String nameOfMethodSetCurve = "ResetSketchPlaneAndCurve";
System.String nameOfMethodSetCurveAlt = "SetSketchPlaneAndCurve";
foreach (MethodInfo m in curveElementMethods)
{
if (m.Name == nameOfMethodSetCurve || m.Name == nameOfMethodSetCurveAlt)
{
object[] argsM = new object[2];
sp = dynRevitUtils.GetSketchPlaneFromCurve(c);
argsM[0] = sp;
argsM[1] = null;
foundMethod = true;
m.Invoke(mc, argsM);
break;
}
}
}
if (!foundMethod)
{
//sp = dynRevitUtils.GetSketchPlaneFromCurve(c);
hasMethodResetSketchPlane = false;
needsSketchPlaneReset = true;
//expect exception, so try to keep old plane?
//mc.SketchPlane = sp;
return(ElementId.InvalidElementId);
}
if (sp != null && mc.SketchPlane.Id != sp.Id)
{
return(sp.Id);
}
return(ElementId.InvalidElementId);
}
private static Autodesk.Revit.DB.Arc Convert(Autodesk.DesignScript.Geometry.Circle circ)
{
// convert
var center = circ.CenterPoint.ToXyz(false);
var sp = circ.StartPoint.ToXyz(false);
// get the xaxis of the arc base plane normalized
var x = (sp - center).Normalize();
// get a second vector in the plane
var vecY = (circ.PointAtParameter(0.1).ToXyz(false) - center);
// get the normal to the plane
var n2 = x.CrossProduct(vecY).Normalize();
// obtain the y axis in the plane - perp to x and z
var y = n2.CrossProduct(x);
var plane = new Autodesk.Revit.DB.Plane(x, y, center);
return Autodesk.Revit.DB.Arc.Create(plane, circ.Radius, 0, 2 * System.Math.PI);
}
/***************************************************/
/**** Private Methods ****/
/***************************************************/
private static Dictionary <PlanarSurface, List <PlanarSurface> > PanelSurfaces_HostDocument(this HostObject hostObject, IEnumerable <ElementId> insertsToIgnore = null, RevitSettings settings = null)
{
List <Autodesk.Revit.DB.Plane> planes = hostObject.IPanelPlanes();
if (planes.Count == 0)
{
return(null);
}
Document doc = hostObject.Document;
Dictionary <PlanarSurface, List <PlanarSurface> > result = new Dictionary <PlanarSurface, List <PlanarSurface> >();
IList <ElementId> inserts = hostObject.FindInserts(true, true, true, true);
if (insertsToIgnore != null)
{
inserts = inserts.Where(x => insertsToIgnore.All(y => x.IntegerValue != y.IntegerValue)).ToList();
}
Transaction t = new Transaction(doc);
FailureHandlingOptions failureHandlingOptions = t.GetFailureHandlingOptions().SetClearAfterRollback(true);
t.Start("Temp Delete Inserts And Unjoin Geometry");
try
{
foreach (ElementId id in JoinGeometryUtils.GetJoinedElements(doc, hostObject))
{
JoinGeometryUtils.UnjoinGeometry(doc, hostObject, doc.GetElement(id));
}
if (hostObject is Wall)
{
WallUtils.DisallowWallJoinAtEnd((Wall)hostObject, 0);
WallUtils.DisallowWallJoinAtEnd((Wall)hostObject, 1);
}
if (insertsToIgnore != null)
{
doc.Delete(insertsToIgnore.ToList());
}
doc.Regenerate();
List <Solid> solidsWithOpenings = hostObject.Solids(new Options());
List <Solid> fullSolids;
if (inserts.Count != 0)
{
solidsWithOpenings = solidsWithOpenings.Select(x => SolidUtils.Clone(x)).ToList();
doc.Delete(inserts);
doc.Regenerate();
fullSolids = hostObject.Solids(new Options());
}
else
{
fullSolids = solidsWithOpenings;
}
fullSolids = fullSolids.SelectMany(x => SolidUtils.SplitVolumes(x)).ToList();
if (hostObject is Wall)
{
fullSolids.ForEach(x => BooleanOperationsUtils.CutWithHalfSpaceModifyingOriginalSolid(x, planes[0]));
Autodesk.Revit.DB.Plane flippedPlane = Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(-planes[0].Normal, planes[0].Origin + planes[0].Normal * 1e-3);
fullSolids.ForEach(x => BooleanOperationsUtils.CutWithHalfSpaceModifyingOriginalSolid(x, flippedPlane));
fullSolids = fullSolids.SelectMany(x => SolidUtils.SplitVolumes(x)).ToList();
planes[0] = Autodesk.Revit.DB.Plane.CreateByNormalAndOrigin(-planes[0].Normal, planes[0].Origin);
}
foreach (Autodesk.Revit.DB.Plane plane in planes)
{
foreach (Solid s in fullSolids)
{
List <CurveLoop> loops = new List <CurveLoop>();
foreach (Autodesk.Revit.DB.Face f in s.Faces)
{
PlanarFace pf = f as PlanarFace;
if (pf == null)
{
continue;
}
if (Math.Abs(1 - pf.FaceNormal.DotProduct(plane.Normal)) <= settings.DistanceTolerance && Math.Abs((pf.Origin - plane.Origin).DotProduct(plane.Normal)) <= settings.AngleTolerance)
{
loops.AddRange(pf.GetEdgesAsCurveLoops());
}
}
CurveLoop outline = loops.FirstOrDefault(x => x.IsCounterclockwise(plane.Normal));
PlanarSurface surface = new PlanarSurface(outline.FromRevit(), null);
List <PlanarSurface> openings = new List <PlanarSurface>();
foreach (CurveLoop loop in loops.Where(x => x != outline))
{
openings.Add(new PlanarSurface(loop.FromRevit(), null));
}
if (inserts.Count != 0)
{
List <Solid> openingVolumes = new List <Solid>();
foreach (Solid s2 in solidsWithOpenings)
{
openingVolumes.Add(BooleanOperationsUtils.ExecuteBooleanOperation(s, s2, BooleanOperationsType.Difference));
}
foreach (Solid s2 in openingVolumes)
{
foreach (Autodesk.Revit.DB.Face f in s2.Faces)
{
PlanarFace pf = f as PlanarFace;
if (pf == null)
{
continue;
}
if (Math.Abs(1 - pf.FaceNormal.DotProduct(plane.Normal)) <= settings.DistanceTolerance && Math.Abs((pf.Origin - plane.Origin).DotProduct(plane.Normal)) <= settings.AngleTolerance)
{
foreach (CurveLoop cl in pf.GetEdgesAsCurveLoops())
{
openings.Add(new PlanarSurface(cl.FromRevit(), null));
}
}
}
}
}
result.Add(surface, openings);
}
}
}
catch
{
BH.Engine.Reflection.Compute.RecordError(String.Format("Geometrical processing of a Revit element failed due to an internal Revit error. Converted panel might be missing one or more of its surfaces. Revit ElementId: {0}", hostObject.Id));
}
t.RollBack(failureHandlingOptions);
return(result);
}
public static Plane ToRhino(this DB.Plane plane)
{
return(new Plane(plane.Origin.ToRhino(), (Vector3d)plane.XVec.ToRhino(), (Vector3d)plane.YVec.ToRhino()));
}
/// <summary>
/// Convert a DS Arc to a Revit arc
/// </summary>
/// <param name="arc"></param>
/// <returns></returns>
private static Autodesk.Revit.DB.Arc Convert(Autodesk.DesignScript.Geometry.Arc arc)
{
// convert
var center = arc.CenterPoint.ToXyz();
var sp = arc.StartPoint.ToXyz();
// get the xaxis of the arc base plane
var x = (sp - center).Normalize();
// get a second vector in the plane
var vecY = (arc.PointAtParameter(0.1).ToXyz() - center);
// get the normal to the plane
var n2 = x.CrossProduct(vecY).Normalize();
// obtain the y axis in the plane - perp to x and z
var y = n2.CrossProduct(x);
var plane = new Autodesk.Revit.DB.Plane(x, y, center);
return Autodesk.Revit.DB.Arc.Create(plane, arc.Radius, 0, arc.SweepAngle.ToRadians());
}
public static PlaneSurface ToRhino(this DB.Plane surface, DB.BoundingBoxUV bboxUV) => RawDecoder.ToRhino(surface, bboxUV);
/// <summary>
/// Creates one model curve on a plane with an origin at 0,0,0
/// </summary>
/// <param name="mc1"></param>
protected void CreateOneModelCurve(out ModelCurve mc1)
{
//create two model curves
using (_trans = _trans = new Transaction(dynRevitSettings.Doc.Document, "CreateTwoModelCurves"))
{
_trans.Start();
Plane p1 = new Plane(XYZ.BasisZ, XYZ.Zero);
SketchPlane sp1 = dynRevitSettings.Doc.Document.FamilyCreate.NewSketchPlane(p1);
Curve c1 = dynRevitSettings.Revit.Application.Create.NewLineBound(XYZ.Zero, new XYZ(1, 0, 0));
mc1 = dynRevitSettings.Doc.Document.FamilyCreate.NewModelCurve(c1, sp1);
_trans.Commit();
}
}
public override void Evaluate(FSharpList <Value> args, Dictionary <PortData, Value> outPuts)
{
var crv = (Curve)((Value.Container)args[0]).Item;
Face face = null;
Autodesk.Revit.DB.Plane thisPlane = null;
var geo = ((Value.Container)args[1]).Item;
IntersectionResultArray xsects = null;
if (geo is Face)
{
face = geo as Face;
}
else if (geo is Autodesk.Revit.DB.Plane)
{
#region plane processing
thisPlane = geo as Autodesk.Revit.DB.Plane;
face = buildFaceOnPlaneByCurveExtensions(crv, thisPlane);
#endregion
}
var result = face.Intersect(crv, out xsects);
//var xsect_results = FSharpList<Value>.Empty;
var xsect_xyzs = FSharpList <Value> .Empty;
var xsect_face_uvs = FSharpList <Value> .Empty;
var xsect_params = FSharpList <Value> .Empty;
var xsect_edges = FSharpList <Value> .Empty;
var xsect_edge_params = FSharpList <Value> .Empty;
var results = FSharpList <Value> .Empty;
if (xsects != null)
{
foreach (IntersectionResult ir in xsects)
{
var xsect = FSharpList <Value> .Empty;
try
{
xsect_edge_params = FSharpList <Value> .Cons(Value.NewNumber(ir.EdgeParameter), xsect_edge_params);
}
catch
{
xsect_edge_params = FSharpList <Value> .Cons(Value.NewNumber(0), xsect_edge_params);
}
xsect_edges = FSharpList <Value> .Cons(Value.NewContainer(ir.EdgeObject), xsect_edges);
xsect_params = FSharpList <Value> .Cons(Value.NewNumber(ir.Parameter), xsect_params);
if (thisPlane != null)
{
UV planeUV = new UV(thisPlane.XVec.DotProduct(ir.XYZPoint - thisPlane.Origin),
thisPlane.YVec.DotProduct(ir.XYZPoint - thisPlane.Origin));
xsect_face_uvs = FSharpList <Value> .Cons(Value.NewContainer(planeUV), xsect_face_uvs);
}
else
{
xsect_face_uvs = FSharpList <Value> .Cons(Value.NewContainer(ir.UVPoint), xsect_face_uvs);
}
xsect_xyzs = FSharpList <Value> .Cons(Value.NewContainer(ir.XYZPoint), xsect_xyzs);
//xsect_results = FSharpList<Value>.Cons(Value.NewList(xsect), xsect_results);
}
}
outPuts[_edgeTPort] = Value.NewList(xsect_edge_params);
outPuts[_edgePort] = Value.NewList(xsect_edges);
outPuts[_tPort] = Value.NewList(xsect_params);
outPuts[_uvPort] = Value.NewList(xsect_face_uvs);
outPuts[_xyzPort] = Value.NewList(xsect_xyzs);
outPuts[_resultPort] = Value.NewString(result.ToString());
}
/// <summary>
/// Make a SketchPlane from a plane
/// </summary>
/// <param name="p"></param>
private SketchPlane(Autodesk.Revit.DB.Plane p)
{
SafeInit(() => InitSketchPlane(p));
}
private static Autodesk.Revit.DB.ModelText CreateModelText(XYZ normal, XYZ position, XYZ up, string text, ModelTextType mtt,
double depth)
{
Autodesk.Revit.DB.ModelText mt = null;
var xAxis = normal.CrossProduct(up).Normalize();
var yAxis = normal.CrossProduct(xAxis).Normalize();
var plane = new Autodesk.Revit.DB.Plane(xAxis, yAxis, position);
var sp = Autodesk.Revit.DB.SketchPlane.Create(dynRevitSettings.Doc.Document, plane);
mt = dynRevitSettings.Doc.Document.FamilyCreate.NewModelText(text, mtt, sp, position, HorizontalAlign.Left, depth);
return mt;
}
public static Face buildFaceOnPlaneByCurveExtensions(Curve crv, Autodesk.Revit.DB.Plane thisPlane)
{
Face face = null;
// tesselate curve and find uv envelope in projection to the plane
IList <XYZ> tessCurve = crv.Tessellate();
var curvePointEnum = tessCurve.GetEnumerator();
var corner1 = new XYZ();
var corner2 = new XYZ();
bool cornersSet = false;
for (; curvePointEnum.MoveNext();)
{
if (!cornersSet)
{
corner1 = curvePointEnum.Current;
corner2 = curvePointEnum.Current;
cornersSet = true;
}
else
{
for (int coord = 0; coord < 3; coord++)
{
if (corner1[coord] > curvePointEnum.Current[coord])
{
corner1 = new XYZ(coord == 0 ? curvePointEnum.Current[coord] : corner1[coord],
coord == 1 ? curvePointEnum.Current[coord] : corner1[coord],
coord == 2 ? curvePointEnum.Current[coord] : corner1[coord]);
}
if (corner2[coord] < curvePointEnum.Current[coord])
{
corner2 = new XYZ(coord == 0 ? curvePointEnum.Current[coord] : corner2[coord],
coord == 1 ? curvePointEnum.Current[coord] : corner2[coord],
coord == 2 ? curvePointEnum.Current[coord] : corner2[coord]);
}
}
}
}
double dist1 = thisPlane.Origin.DistanceTo(corner1);
double dist2 = thisPlane.Origin.DistanceTo(corner2);
double sizeRect = 2.0 * (dist1 + dist2) + 100.0;
var cLoop = new Autodesk.Revit.DB.CurveLoop();
for (int index = 0; index < 4; index++)
{
double coord0 = (index == 0 || index == 3) ? -sizeRect : sizeRect;
double coord1 = (index < 2) ? -sizeRect : sizeRect;
XYZ pnt0 = thisPlane.Origin + coord0 * thisPlane.XVec + coord1 * thisPlane.YVec;
double coord3 = (index < 2) ? sizeRect : -sizeRect;
double coord4 = (index == 0 || index == 3) ? -sizeRect : sizeRect;
XYZ pnt1 = thisPlane.Origin + coord3 * thisPlane.XVec + coord4 * thisPlane.YVec;
Line cLine = dynRevitSettings.Revit.Application.Create.NewLineBound(pnt0, pnt1);
cLoop.Append(cLine);
}
var listCLoops = new List <Autodesk.Revit.DB.CurveLoop> {
cLoop
};
Solid tempSolid = GeometryCreationUtilities.CreateExtrusionGeometry(listCLoops, thisPlane.Normal, 100.0);
//find right face
FaceArray facesOfExtrusion = tempSolid.Faces;
for (int indexFace = 0; indexFace < facesOfExtrusion.Size; indexFace++)
{
Face faceAtIndex = facesOfExtrusion.get_Item(indexFace);
if (faceAtIndex is PlanarFace)
{
var pFace = faceAtIndex as PlanarFace;
if (Math.Abs(thisPlane.Normal.DotProduct(pFace.Normal)) < 0.99)
{
continue;
}
if (Math.Abs(thisPlane.Normal.DotProduct(thisPlane.Origin - pFace.Origin)) > 0.1)
{
continue;
}
face = faceAtIndex;
break;
}
}
if (face == null)
{
throw new Exception("Curve Face Intersection could not process supplied Plane.");
}
return(face);
}
public static Plane AsPlane(DB.Plane plane)
{
return(new Plane(AsPoint3d(plane.Origin), AsVector3d(plane.XVec), AsVector3d(plane.YVec)));
}
private static Curve Flatten3dCurveOnPlane(Curve c, Plane plane)
{
XYZ meanPt = null;
List<XYZ> orderedEigenvectors;
XYZ normal;
if (c is Autodesk.Revit.DB.HermiteSpline)
{
var hs = c as Autodesk.Revit.DB.HermiteSpline;
plane = GetPlaneFromCurve(c, false);
var projPoints = new List<XYZ>();
foreach (var pt in hs.ControlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return Autodesk.Revit.DB.HermiteSpline.Create(projPoints, false);
}
if (c is Autodesk.Revit.DB.NurbSpline)
{
var ns = c as Autodesk.Revit.DB.NurbSpline;
if (plane == null)
{
PrincipalComponentsAnalysis(ns.CtrlPoints.ToList(), out meanPt, out orderedEigenvectors);
normal = orderedEigenvectors[0].CrossProduct(orderedEigenvectors[1]).Normalize();
plane = Document.Application.Create.NewPlane(normal, meanPt);
}
var projPoints = new List<XYZ>();
foreach (var pt in ns.CtrlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return Autodesk.Revit.DB.NurbSpline.Create(projPoints, ns.Weights.Cast<double>().ToList(), ns.Knots.Cast<double>().ToList(), ns.Degree, ns.isClosed, ns.isRational);
}
return c;
}
public static Autodesk.DesignScript.Geometry.Plane ToPlane(this Autodesk.Revit.DB.Plane plane, bool convertUnits = true)
{
return(Autodesk.DesignScript.Geometry.Plane.ByOriginNormal(plane.Origin.ToPoint(convertUnits), plane.Normal.ToVector()));
}
private static Curve Flatten3dCurveOnPlane(Curve c, Plane plane)
{
if (c is Autodesk.Revit.DB.HermiteSpline)
{
var hs = c as Autodesk.Revit.DB.HermiteSpline;
plane = CurveUtils.GetPlaneFromCurve(c, false);
var projPoints = new List<XYZ>();
foreach (var pt in hs.ControlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return Autodesk.Revit.DB.HermiteSpline.Create(projPoints, false);
}
if (c is Autodesk.Revit.DB.NurbSpline)
{
var ns = c as Autodesk.Revit.DB.NurbSpline;
if (plane == null)
{
var bestFitPlane = Autodesk.DesignScript.Geometry.Plane.ByBestFitThroughPoints(
ns.CtrlPoints.ToList().ToPoints(false));
plane = bestFitPlane.ToPlane(false);
}
var projPoints = new List<XYZ>();
foreach (var pt in ns.CtrlPoints)
{
var proj = pt - (pt - plane.Origin).DotProduct(plane.Normal) * plane.Normal;
projPoints.Add(proj);
}
return Autodesk.Revit.DB.NurbSpline.Create(projPoints, ns.Weights.Cast<double>().ToList(), ns.Knots.Cast<double>().ToList(), ns.Degree, ns.isClosed, ns.isRational);
}
return c;
}
public RevitPipeConverter()
{
var ptConv = new PointConverter();
AddConverter(ptConv);
var planeConv = AddConverter(new PipeConverter <rg.Plane, ppg.Plane>(
(rpl) => {
return(new ppg.Plane(ptConv.ToPipe <rg.XYZ, ppg.Vec>(rpl.Origin), ptConv.ToPipe <rg.XYZ, ppg.Vec>(rpl.XVec),
ptConv.ToPipe <rg.XYZ, ppg.Vec>(rpl.YVec), ptConv.ToPipe <rg.XYZ, ppg.Vec>(rpl.Normal)));
},
(ppl) => {
return(rg.Plane.CreateByOriginAndBasis(ptConv.FromPipe <rg.XYZ, ppg.Vec>(ppl.Origin),
ptConv.FromPipe <rg.XYZ, ppg.Vec>(ppl.X), ptConv.FromPipe <rg.XYZ, ppg.Vec>(ppl.Y)));
}
));
var geomConv = new GeometryConverter(ptConv, planeConv);
AddConverter(geomConv);
var polylineListConv = AddConverter(new PipeConverter <rg.Line[], ppc.Polyline>(
(rlg) =>
{
List <rg.XYZ> pts = rlg.Select((ln) => ln.GetEndPoint(0)).ToList();
pts.Add(rlg.LastOrDefault().GetEndPoint(1));
return(new ppc.Polyline(pts.Select((pt) => ptConv.ToPipe <rg.XYZ, ppg.Vec>(pt)).ToList()));
},
(ppl) =>
{
List <ppc.Line> lines = ppl.ExplodedLines();
return(lines.Select((ln) => (rg.Line)geomConv.FromPipe <rg.GeometryObject, IPipeMemberType>(ln)).ToArray());
}
));
//extrusions
var extrConv = AddConverter(new PipeConverter <rg.Extrusion, pps.Extrusion>(
(rext) => {
rg.XYZ norm = rext.Sketch.SketchPlane.GetPlane().Normal.Normalize();
var startNorm = norm.Multiply(rext.StartOffset);
var endNorm = norm.Normalize().Multiply(rext.EndOffset);
var depthVec = norm.Normalize().Multiply(rext.EndOffset - rext.StartOffset);
List <ppc.Curve> curs = new List <ppc.Curve>();
foreach (rg.Curve cur in rext.Sketch.Profile)
{
curs.Add(geomConv.CurveConverter.ToPipe <rg.Curve, ppc.Curve>(cur.CreateTransformed(
rg.Transform.CreateTranslation(startNorm))));
}
return(new pps.Extrusion(new ppc.PolyCurve(curs), ptConv.ToPipe <rg.XYZ, ppg.Vec>(depthVec),
rext.EndOffset - rext.StartOffset));
},
(pe) => {
double tolerance = 1e-3;
rg.CurveArrArray profile = new rg.CurveArrArray();
rg.CurveArray curs = new rg.CurveArray();
List <ppc.Curve> pCurs = pe.ProfileCurve.FlattenedCurveList();
rg.Plane plane = null;
pCurs.ForEach((cur) => {
rg.Curve revitCur = geomConv.CurveConverter.FromPipe <rg.Curve, ppc.Curve>(cur);
curs.Append(revitCur);
rg.Plane newPl = Utils.SketchPlaneUtil.GetPlaneForCurve(revitCur);
if (plane == null)
{
plane = newPl;
}
else if (Math.Abs(plane.Normal.Normalize().DotProduct(newPl.Normal.Normalize()) - 1) > tolerance)
{
//the two planes are not aligned so throw exception
throw new InvalidOperationException("Cannot create a Revit Extrusion because the profile " +
"curves are not in the same plane");
}
});
profile.Append(curs);
rg.XYZ dir = ptConv.FromPipe <rg.XYZ, ppg.Vec>(pe.Direction);
if (Math.Abs(plane.Normal.Normalize().DotProduct(dir.Normalize()) - 1) > tolerance)
{
throw new NotImplementedException("Extrusions with direction not perpendicular to curve" +
"cannot be imported into revit, try converting it to a mesh before sending through the pipe");
}
return(PipeForRevit.ActiveDocument.FamilyCreate.NewExtrusion(false, profile,
rg.SketchPlane.Create(PipeForRevit.ActiveDocument, plane), pe.Height));
}
));
}
/// <summary>
/// Creates one model curve on a plane with an origin at 0,0,0
/// </summary>
/// <param name="mc1"></param>
protected void CreateOneModelCurve(out ModelCurve mc1)
{
//create two model curves
using (_trans = _trans = new Transaction(DocumentManager.Instance.CurrentUIDocument.Document, "CreateTwoModelCurves"))
{
_trans.Start();
var p1 = new Plane(XYZ.BasisZ, XYZ.Zero);
SketchPlane sp1 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewSketchPlane(p1);
Curve c1 = DocumentManager.Instance.CurrentUIApplication.Application.Create.NewLineBound(XYZ.Zero, new XYZ(1, 0, 0));
mc1 = DocumentManager.Instance.CurrentUIDocument.Document.FamilyCreate.NewModelCurve(c1, sp1);
_trans.Commit();
}
}
public override FScheme.Value Evaluate(FSharpList<FScheme.Value> args)
{
var pts = ((FScheme.Value.List)args[0]).Item.Select(
x => ((ReferencePoint)((FScheme.Value.Container)x).Item).Position
).ToList();
if (pts.Count <= 1)
{
throw new Exception("Not enough reference points to make a curve.");
}
var ns = UIDocument.Application.Application.Create.NewNurbSpline(
pts, Enumerable.Repeat(1.0, pts.Count).ToList());
ModelNurbSpline c;
if (Elements.Any() && dynUtils.TryGetElement(Elements[0], out c))
{
ModelCurve.setCurveMethod(c, ns); //c.GeometryCurve = ns;
}
else
{
Elements.Clear();
double rawParam = ns.ComputeRawParameter(.5);
Transform t = ns.ComputeDerivatives(rawParam, false);
XYZ norm = t.BasisZ;
if (norm.GetLength() == 0)
{
norm = XYZ.BasisZ;
}
Autodesk.Revit.DB.Plane p = new Autodesk.Revit.DB.Plane(norm, t.Origin);
Autodesk.Revit.DB.SketchPlane sp = this.UIDocument.Document.FamilyCreate.NewSketchPlane(p);
//sps.Add(sp);
c = UIDocument.Document.FamilyCreate.NewModelCurve(ns, sp) as ModelNurbSpline;
Elements.Add(c.Id);
}
return FScheme.Value.NewContainer(c);
}