private Curve moveModelLine(ExternalCommandData commandData)
{
Document revitDoc = commandData.Application.ActiveUIDocument.Document; //取得文档
Autodesk.Revit.ApplicationServices.Application revitApp = commandData.Application.Application; //取得应用程序
UIDocument uiDoc = commandData.Application.ActiveUIDocument; //取得当前活动文档
Curve curve;
Selection sel = uiDoc.Selection;
Reference ref1 = sel.PickObject(ObjectType.Element, "选择一条模型线作为平曲线/纵曲线");
Element elem = revitDoc.GetElement(ref1);
ModelLine modelLine = elem as ModelLine;
//做一个判断，判断其是否为ModelNurbSpline
if (modelLine == null)
{
ModelNurbSpline modelNurbSpline = elem as ModelNurbSpline;
curve = modelNurbSpline.GeometryCurve;
}
else
{
curve = modelLine.GeometryCurve;
}
//移动平曲线
XYZ moveVec = new XYZ(curve.Length, curve.Length, curve.Length);
ElementTransformUtils.MoveElement(uiDoc.Document, elem.Id, moveVec);
return(curve);
}
private double SelectPoint(ExternalCommandData commandData)
{
Document revitDoc = commandData.Application.ActiveUIDocument.Document; //取得文档
Application revitApp = commandData.Application.Application; //取得应用程序
UIDocument uiDoc = commandData.Application.ActiveUIDocument; //取得当前活动文档
Selection sel = uiDoc.Selection;
Reference ref1 = sel.PickObject(ObjectType.Element, "选择一条模型线");
Element elem = revitDoc.GetElement(ref1);
ModelLine modelLine1 = elem as ModelLine;
Autodesk.Revit.DB.Curve curve1;
//做一个判断，判断其是否为ModelNurbSpline
if (modelLine1 == null)
{
ModelNurbSpline modelNurbSpline = elem as ModelNurbSpline;
curve1 = modelNurbSpline.GeometryCurve;
}
else
{
curve1 = modelLine1.GeometryCurve;
}
Reference ref2 = sel.PickObject(ObjectType.Element, "选择一条模型线");
elem = revitDoc.GetElement(ref2);
ModelLine modelLine2 = elem as ModelLine;
Autodesk.Revit.DB.Curve curve2;
//做一个判断，判断其是否为ModelNurbSpline
if (modelLine2 == null)
{
ModelNurbSpline modelNurbSpline = elem as ModelNurbSpline;
curve2 = modelNurbSpline.GeometryCurve;
}
else
{
curve2 = modelLine2.GeometryCurve;
}
//删除第二条选中的线
uiDoc.Document.Delete(elem.Id);
//求交点
curve1.Intersect(curve2, out IntersectionResultArray intersectionResultArray);
XYZ pointIntersect = intersectionResultArray.get_Item(0).XYZPoint;
//交点和线都转化为dynamo的点和线
DG.Point dgP = pointIntersect.ToPoint(false);
DG.Curve dgC = curve1.ToProtoType(false);
double ratio = dgC.ParameterAtPoint(dgP);
return(ratio);
}
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 void Stream( ArrayList data, ModelNurbSpline modelCrv )
{
data.Add( new Snoop.Data.ClassSeparator( typeof( ModelNurbSpline ) ) );
// no data at this level
}
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);
}
