/// <summary>
/// The method is used to create extrusion using FamilyItemFactory.NewExtrusion()
/// </summary>
/// <param name="curveArrArray">the CurveArrArray parameter</param>
/// <param name="workPlane">the reference plane is used to create SketchPlane</param>
/// <param name="startOffset">the extrusion's StartOffset property</param>
/// <param name="endOffset">the extrusion's EndOffset property</param>
/// <returns>the new extrusion</returns>
public Extrusion NewExtrusion(CurveArrArray curveArrArray, ReferencePlane workPlane, double startOffset, double endOffset)
{
Extrusion rectExtrusion = null;
try
{
SubTransaction subTransaction = new SubTransaction(m_document);
subTransaction.Start();
SketchPlane sketch = SketchPlane.Create(m_document, workPlane.GetPlane());
rectExtrusion = m_familyCreator.NewExtrusion(true, curveArrArray, sketch, Math.Abs(endOffset - startOffset));
rectExtrusion.StartOffset = startOffset;
rectExtrusion.EndOffset = endOffset;
subTransaction.Commit();
return(rectExtrusion);
}
catch
{
return(null);
}
}
/// <summary>
/// Create an extrusion from a given thickness
/// and list of XYZ points defined in millimetres
/// in the given family document, which must
/// contain a sketch plane named "Ref. Level".
/// </summary>
Extrusion CreateExtrusion(
Document doc,
List <XYZ> pts,
double thickness)
{
Autodesk.Revit.Creation.FamilyItemFactory factory
= doc.FamilyCreate;
SketchPlane sketch = FindElement(doc,
typeof(SketchPlane), "Ref. Level")
as SketchPlane;
CurveArrArray curveArrArray = new CurveArrArray();
curveArrArray.Append(CreateProfile(pts));
double extrusionHeight = MmToFoot(thickness);
return(factory.NewExtrusion(true,
curveArrArray, sketch, extrusionHeight));
}
/// <summary>
/// Create one rectangular extrusion
/// </summary>
private void CreateExtrusion()
{
try
{
#region Create rectangle profile
CurveArrArray curveArrArray = new CurveArrArray();
CurveArray curveArray1 = new CurveArray();
Autodesk.Revit.DB.XYZ normal = Autodesk.Revit.DB.XYZ.BasisZ;
SketchPlane sketchPlane = CreateSketchPlane(normal, Autodesk.Revit.DB.XYZ.Zero);
// create one rectangular extrusion
Autodesk.Revit.DB.XYZ p0 = Autodesk.Revit.DB.XYZ.Zero;
Autodesk.Revit.DB.XYZ p1 = new Autodesk.Revit.DB.XYZ(10, 0, 0);
Autodesk.Revit.DB.XYZ p2 = new Autodesk.Revit.DB.XYZ(10, 10, 0);
Autodesk.Revit.DB.XYZ p3 = new Autodesk.Revit.DB.XYZ(0, 10, 0);
Line line1 = Line.CreateBound(p0, p1);
Line line2 = Line.CreateBound(p1, p2);
Line line3 = Line.CreateBound(p2, p3);
Line line4 = Line.CreateBound(p3, p0);
curveArray1.Append(line1);
curveArray1.Append(line2);
curveArray1.Append(line3);
curveArray1.Append(line4);
curveArrArray.Append(curveArray1);
#endregion
// here create rectangular extrusion
Extrusion rectExtrusion = m_creationFamily.NewExtrusion(true, curveArrArray, sketchPlane, 10);
// move to proper place
Autodesk.Revit.DB.XYZ transPoint1 = new Autodesk.Revit.DB.XYZ(-16, 0, 0);
ElementTransformUtils.MoveElement(m_familyDocument, rectExtrusion.Id, transPoint1);
}
catch (Exception e)
{
m_errCount++;
m_errorInfo += "Unexpected exceptions occur in CreateExtrusion: " + e.ToString() + "\r\n";
}
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
Application app = commandData.Application.Application;
string filename = Path.Combine(_folder, _template);
Document familyDoc = app.NewFamilyDocument(filename);
Family family = familyDoc.OwnerFamily;
Autodesk.Revit.Creation.FamilyItemFactory factory
= familyDoc.FamilyCreate;
Extrusion extrusion = null;
using (Transaction trans = new Transaction(
familyDoc))
{
trans.Start("Create Extrusion");
XYZ arcCenter = new XYZ(0.0, 3.0, -2.0);
// Get the "left" view
View view = GetView(ViewType.Elevation,
XYZ.BasisY.Negate(), XYZ.BasisZ, familyDoc);
// 2D offsets from view 'left'
XYZ xOffset = new XYZ(0.0, 10.0, 0.0);
XYZ yOffset = new XYZ(0.0, 0.0, -10.0);
//################## Reference planes ################################
// Origin's reference planes
ReferencePlane referencePlaneOriginX
= factory.NewReferencePlane(XYZ.BasisX,
XYZ.Zero, XYZ.BasisY, view);
referencePlaneOriginX.Name = "ReferencePlane_OriginX";
referencePlaneOriginX.Pinned = true;
ReferencePlane referencePlaneOriginY
= factory.NewReferencePlane(XYZ.BasisZ,
XYZ.Zero, -XYZ.BasisX, view);
referencePlaneOriginY.Name = "ReferencePlane_OriginY";
referencePlaneOriginY.Pinned = true;
// Reference planes the extruded arc should stick to
ReferencePlane referencePlaneX
= factory.NewReferencePlane(
XYZ.BasisX + yOffset,
XYZ.Zero + yOffset,
XYZ.BasisY, view);
referencePlaneX.Name = "ReferencePlane_X";
ReferencePlane referencePlaneY
= factory.NewReferencePlane(
XYZ.BasisZ + xOffset,
XYZ.Zero + xOffset,
-XYZ.BasisX, view);
referencePlaneY.Name = "ReferencePlane_Y";
familyDoc.Regenerate();
//################## Create dimensions ###############################
// Dimension x
ReferenceArray refArrayX = new ReferenceArray();
refArrayX.Append(referencePlaneX.GetReference());
refArrayX.Append(referencePlaneOriginX.GetReference());
Line lineX = Line.CreateUnbound(arcCenter, XYZ.BasisZ);
Dimension dimensionX = factory.NewDimension(
view, lineX, refArrayX);
// Dimension y
ReferenceArray refArrayY = new ReferenceArray();
refArrayY.Append(referencePlaneY.GetReference());
refArrayY.Append(referencePlaneOriginY.GetReference());
Line lineY = Line.CreateUnbound(arcCenter, XYZ.BasisY);
Dimension dimensionY = factory.NewDimension(
view, lineY, refArrayY);
familyDoc.Regenerate();
//################## Create arc ######################################
double arcRadius = 1.0;
Arc arc = Arc.Create(
XYZ.Zero + xOffset + yOffset,
arcRadius, 0.0, 2 * Math.PI,
XYZ.BasisZ, XYZ.BasisY.Negate());
CurveArray curves = new CurveArray();
curves.Append(arc);
CurveArrArray profile = new CurveArrArray();
profile.Append(curves);
Plane plane = new Plane(XYZ.BasisX.Negate(),
arcCenter);
SketchPlane sketchPlane = SketchPlane.Create(
familyDoc, plane);
Debug.WriteLine("Origin: " + sketchPlane.GetPlane().Origin);
Debug.WriteLine("Normal: " + sketchPlane.GetPlane().Normal);
Debug.WriteLine("XVec: " + sketchPlane.GetPlane().XVec);
Debug.WriteLine("YVec: " + sketchPlane.GetPlane().YVec);
extrusion = factory.NewExtrusion(true,
profile, sketchPlane, 10);
familyDoc.Regenerate();
//################## Add family parameters ###########################
FamilyManager fmgr = familyDoc.FamilyManager;
FamilyParameter paramX = fmgr.AddParameter("X",
BuiltInParameterGroup.PG_GEOMETRY,
ParameterType.Length, true);
dimensionX.FamilyLabel = paramX;
FamilyParameter paramY = fmgr.AddParameter("Y",
BuiltInParameterGroup.PG_GEOMETRY,
ParameterType.Length, true);
dimensionY.FamilyLabel = paramY;
// Set their values
FamilyType familyType = fmgr.NewType(
"Standard");
fmgr.Set(paramX, 10);
fmgr.Set(paramY, 10);
trans.Commit();
}
// Save it to inspect
SaveAsOptions opt = new SaveAsOptions();
opt.OverwriteExistingFile = true;
filename = Path.Combine(Path.GetTempPath(),
"test.rfa");
familyDoc.SaveAs(filename, opt);
return(Result.Succeeded);
}
