public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Document doc = uidoc.Document;
Reference r = uidoc.Selection.PickObject(ObjectType.Element, "Select Element");
Options geometryOptions = new Options();
geometryOptions.ComputeReferences = false;
GeometryElement geomElem = doc.GetElement(r).get_Geometry(geometryOptions);
List <NurbSpline> cadSplines = new List <NurbSpline>();
IList <XYZ> controlPoints = new List <XYZ>();
List <double> weights = new List <double>();
List <double> knots = new List <double>();
if (null != geomElem)
{
foreach (var o in geomElem)
{
GeometryInstance gi = o as GeometryInstance;
GeometryElement instanceGeometryElement = gi.GetInstanceGeometry();
foreach (GeometryObject instanceObj in instanceGeometryElement)
{
if (instanceObj.GetType().ToString().Contains("NurbSpline"))
{
//TaskDialog.Show("r", instanceObj.GetType().ToString());
NurbSpline nurb = instanceObj as NurbSpline;
cadSplines.Add(nurb);
controlPoints = nurb.CtrlPoints;
//weights = nurb.Weights;
weights = nurb.Weights.Cast <double>().ToList();
//knots = nurb.Knots;
knots = nurb.Knots.Cast <double>().ToList();
}
break;
}
}
}
double scale = 0.3048;
#region Test
//List<XYZ> controlPoints = new List<XYZ>();
//controlPoints.Add(new XYZ(0 / scale, 0 / scale, 0 / scale));
//controlPoints.Add(new XYZ(5 / scale, 5 / scale, 2 / scale));
//controlPoints.Add(new XYZ(10 / scale, 10 / scale, 5 / scale));
//controlPoints.Add(new XYZ(15 / scale, 10 / scale, 5 / scale));
//controlPoints.Add(new XYZ(20 / scale, 5 / scale, 4 / scale));
//controlPoints.Add(new XYZ(25 / scale, 5 / scale, 3 / scale));
//List<double> weights = new List<double>();
//weights.Add(1.0);
//weights.Add(1.0);
//weights.Add(1.0);
//weights.Add(1.0);
//weights.Add(1.0);
//weights.Add(1.0);
//List<double> knots = new List<double>();
//knots.Add(0); //1revit
//knots.Add(0); //2
//knots.Add(0); //3
//knots.Add(0); //4
//knots.Add(10.76); //5
//knots.Add(21.51); //6
//knots.Add(32.27); //7
//knots.Add(32.27);
//knots.Add(32.27); //9
//knots.Add(32.27);//revit
#endregion
HermiteSpline hermspline = HermiteSpline.Create(controlPoints, false);
//Curve nurbSpline = NurbSpline.Create(hermspline);
Curve nurbSpline = NurbSpline.CreateCurve(3, knots, controlPoints, weights);
//XYZ startPoint = nurbSpline.GetEndPoint(0);
Transform nurbsTr = nurbSpline.ComputeDerivatives(0, true);
XYZ startPoint = nurbsTr.Origin;
//PrintPoint("a", nurbsTr.Origin);
#region Test Plane
//Plane geomPlane = Autodesk.Revit.DB.Plane.CreateByOriginAndBasis(nurbsTr.Origin, nurbsTr.BasisY.Normalize(), nurbsTr.BasisZ.Normalize());
//Plane geomPlane = Autodesk.Revit.DB.Plane.CreateByOriginAndBasis(nurbSpline.GetEndPoint(0), nurbsTr.BasisY.Normalize(), nurbsTr.BasisZ.Normalize());
//Frame f = new Frame(nurbSpline.GetEndPoint(0), nurbsTr.BasisY.Normalize(), nurbsTr.BasisZ.Normalize(), nurbsTr.BasisX.Normalize());
//Plane geomPlane = Autodesk.Revit.DB.Plane.CreateByThreePoints(XYZ.Zero, XYZ.BasisX, XYZ.BasisZ);
//Plane geomPlane = Plane.CreateByNormalAndOrigin(nurbsTr.BasisX.Normalize(), nurbSpline.GetEndPoint(1)); funziona
//Plane geomPlane = Plane.CreateByThreePoints(startPoint, startPoint + nurbsTr.BasisX.Normalize(), startPoint + XYZ.BasisZ);
#endregion
//XYZ curveDir = controlPoints[1] - controlPoints[0];
XYZ curveDir = nurbsTr.BasisX;
XYZ perpDir = curveDir.CrossProduct(startPoint + XYZ.BasisZ).Normalize();
Plane perpPlane = Plane.CreateByNormalAndOrigin(curveDir, startPoint);
//Plane vertPlane = Plane.CreateByThreePoints(startPoint, perpPlane.XVec, XYZ.BasisZ);
Plane vertPlane = perpPlane;
//PrintPoint("per", perpDir);
List <PtCoord> pointsCoordinates = new List <PtCoord>();
using (var form = new FormAddActiveView("Enter coordinates in clockwise order"))
{
form.ShowDialog();
//if the user hits cancel just drop out of macro
if (form.DialogResult == System.Windows.Forms.DialogResult.Cancel)
{
return(Result.Cancelled);
}
string[] inputs = form.TextString.Split(';');
foreach (string coord in inputs)
{
string[] xy = coord.Split(',');
pointsCoordinates.Add(new PtCoord(Double.Parse(xy[0]) / (scale * 1000), Double.Parse(xy[1]) / (scale * 1000)));
}
}
// List<PtCoord> pointsCoordinates = new List<PtCoord>(){new PtCoord(5,0), new PtCoord(2,2), new PtCoord(-14,0), new PtCoord(2,-2)};
List <XYZ> pts = VertexPoints(nurbsTr.Origin, pointsCoordinates, vertPlane);
XYZ pt1 = nurbsTr.Origin;
XYZ pt2 = pt1 + vertPlane.XVec * 5;
XYZ pt3 = pt2 + vertPlane.YVec * 2 + vertPlane.XVec * 2;
XYZ pt4 = pt3 - vertPlane.XVec * 12;
XYZ pt5 = pt4 - vertPlane.YVec * 2 + vertPlane.XVec * 2;
Line l1 = Line.CreateBound(pt1, pt2);
Line l2 = Line.CreateBound(pt2, pt3);
Line l3 = Line.CreateBound(pt3, pt4);
Line l4 = Line.CreateBound(pt4, pt5);
Line l5 = Line.CreateBound(pt5, pt1);
//
// var profileLoop = CurveLoop.Create(new List<Curve>{l1, l2, l3, l4, l5});
var profileLoop = LoopPoints(pts);
//double rotAngle = -2.543 * Math.PI / 180;
double rotAngle = -15 * Math.PI / 180;
var transform = Transform.CreateRotationAtPoint(nurbsTr.BasisX, rotAngle, nurbsTr.Origin);
profileLoop.Transform(transform);
var loops = new List <CurveLoop> {
profileLoop
};
var path = CurveLoop.Create(new List <Curve> {
nurbSpline
});
WireframeBuilder builder = new WireframeBuilder();
builder.AddCurve(nurbSpline);
//Solid solid = GeometryCreationUtilities.CreateSweptGeometry(path,0,nurbSpline.GetEndParameter(0),loops);
Solid solid = GeometryCreationUtilities.CreateFixedReferenceSweptGeometry(path, 0, nurbSpline.GetEndParameter(0), loops, XYZ.BasisZ);
using (Transaction t = new Transaction(doc, "create spline"))
{
t.Start();
ElementId categoryId = new ElementId(BuiltInCategory.OST_Floors);
DirectShape ds = DirectShape.CreateElement(doc, categoryId);
ds.SetShape(builder);
ds.Name = "RhinoSpline";
SketchPlane sp = SketchPlane.Create(doc, vertPlane);
uidoc.ActiveView.SketchPlane = sp;
//uidoc.ActiveView.ShowActiveWorkPlane();
ModelLine line1 = doc.Create.NewModelCurve(l1, sp) as ModelLine;
ModelLine line2 = doc.Create.NewModelCurve(l2, sp) as ModelLine;
ModelLine line3 = doc.Create.NewModelCurve(l3, sp) as ModelLine;
ModelLine line4 = doc.Create.NewModelCurve(l4, sp) as ModelLine;
ModelLine line5 = doc.Create.NewModelCurve(l5, sp) as ModelLine;
List <GeometryObject> gs = new List <GeometryObject>();
gs.Add(solid);
//DirectShape directShape = DirectShape.CreateElement(doc, categoryId);
ds.AppendShape(gs);
t.Commit();
}
return(Result.Succeeded);
}