FamilyItemFactoryNewLoftForm Method

Create new Form element by Loft operation, and add it into the Autodesk Revit family document.

Namespace: Autodesk.Revit.Creation
Assembly: RevitAPI (in RevitAPI.dll) Version: 27.0.4.0 (27.0.4.0)
Syntax
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public Form NewLoftForm(
	bool isSolid,
	ReferenceArrayArray profiles
)

Parameters

isSolid  Boolean
Indicates if the Form is Solid or Void.
profiles  ReferenceArrayArray
The profile set of the newly created loft. Each profile should consist of only one curve loop.

Return Value

Form
If creation was successful form is are returned.
Example
C#
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private Form CreateLoftForm(Autodesk.Revit.DB.Document document)
{
    Form loftForm = null;

    ReferencePointArray rpa = new ReferencePointArray();
    ReferenceArrayArray ref_ar_ar = new ReferenceArrayArray();
    ReferenceArray ref_ar = new ReferenceArray();
    ReferencePoint rp = null;
    XYZ xyz = null;

    // make first profile curve for loft
    xyz = document.Application.Create.NewXYZ(0, 0, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(0, 50, 10);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(0, 100, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    CurveByPoints cbp = document.FamilyCreate.NewCurveByPoints(rpa);
    ref_ar.Append(cbp.GeometryCurve.Reference);
    ref_ar_ar.Append(ref_ar);
    rpa.Clear();
    ref_ar = new ReferenceArray();

    // make second profile curve for loft
    xyz = document.Application.Create.NewXYZ(50, 0, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(50, 50, 30);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(50, 100, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    cbp = document.FamilyCreate.NewCurveByPoints(rpa);
    ref_ar.Append(cbp.GeometryCurve.Reference);
    ref_ar_ar.Append(ref_ar);
    rpa.Clear();
    ref_ar = new ReferenceArray();

    // make third profile curve for loft
    xyz = document.Application.Create.NewXYZ(75, 0, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(75, 50, 5);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    xyz = document.Application.Create.NewXYZ(75, 100, 0);
    rp = document.FamilyCreate.NewReferencePoint(xyz);
    rpa.Append(rp);

    cbp = document.FamilyCreate.NewCurveByPoints(rpa);
    ref_ar.Append(cbp.GeometryCurve.Reference);
    ref_ar_ar.Append(ref_ar);

    loftForm = document.FamilyCreate.NewLoftForm(true, ref_ar_ar);

    return loftForm;
}
See Also