public void Process(DataTreeBranch b, DataTreeBranch currentBranch)
{
List <XYZ> ptArr = new List <XYZ>();
List <double> weights = new List <double>();
foreach (object o in b.Leaves)
{
ReferencePoint pt = o as ReferencePoint;
ptArr.Add(pt.Position);
weights.Add(1);
}
//only make a curve if
//there's enough points
if (ptArr.Count > 1)
{
//make a curve
NurbSpline ns = dynElementSettings.SharedInstance.Doc.Application.Application.Create.NewNurbSpline(ptArr, weights);
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 = dynElementSettings.SharedInstance.Doc.Document.FamilyCreate.NewSketchPlane(p);
sps.Add(sp);
ModelNurbSpline c = (ModelNurbSpline)dynElementSettings.SharedInstance.Doc.Document.FamilyCreate.NewModelCurve(ns, sp);
//add the element to the collection
//so it can be deleted later
Elements.Append(c);
//create a leaf node on the local branch
currentBranch.Leaves.Add(c);
}
foreach (DataTreeBranch b1 in b.Branches)
{
//every time you read a branch
//create a branch
DataTreeBranch newBranch = new DataTreeBranch();
this.Tree.Trunk.Branches.Add(newBranch);
Process(b1, newBranch);
}
}
private static ElementId createModelCurve(Document document, Curve curve, SketchPlane sp = null)
{
Line line = curve as Line;
Arc arc = curve as Arc;
Ellipse ellipse = curve as Ellipse;
HermiteSpline spline = curve as HermiteSpline;
NurbSpline nbSpline = curve as NurbSpline;
if (line != null && null == sp)
{
XYZ normal = getVertVec(line.Direction).Normalize();
XYZ origin = line.GetEndPoint(0);
sp = SketchPlane.Create(document, Plane.CreateByNormalAndOrigin(normal, origin));
}
else if (arc != null && null == sp)
{
XYZ normal = arc.Normal;
sp = SketchPlane.Create(document, Plane.CreateByNormalAndOrigin(normal, arc.Center));
}
else if (ellipse != null && null == sp)
{
XYZ normal = ellipse.Normal;
sp = SketchPlane.Create(document, Plane.CreateByNormalAndOrigin(normal, ellipse.Center));
}
else if (spline != null && null == sp)
{
Transform tran = spline.ComputeDerivatives(0, false);
XYZ normal = getVertVec(tran.BasisX).Normalize();
XYZ origin = spline.GetEndPoint(0);
sp = SketchPlane.Create(document, Plane.CreateByNormalAndOrigin(normal, origin));
}
else if (nbSpline != null && null == sp)
{
Transform tran = nbSpline.ComputeDerivatives(0, false);
XYZ normal = getVertVec(tran.BasisX).Normalize();
XYZ origin = nbSpline.GetEndPoint(0);
sp = SketchPlane.Create(document, Plane.CreateByNormalAndOrigin(normal, origin));
}
if (sp == null)
{
throw new ArgumentException("Not valid sketchplane to create curve:" + curve.GetType().Name);
}
//
// create model line with curve and the specified sketch plane.
ModelCurve mCurve = document.Create.NewModelCurve(curve, sp);
return((null != mCurve) ? mCurve.Id : ElementId.InvalidElementId);
}