BuildingCoder.CmdNewBlend.CreateBlend C# (CSharp) 메소드

        static Blend CreateBlend( Document doc )
        {
            Debug.Assert( doc.IsFamilyDocument,
            "this method will only work in a family document" );

              Application app = doc.Application;

              Autodesk.Revit.Creation.Application creApp
            = app.Create;

              Autodesk.Revit.Creation.FamilyItemFactory factory
            = doc.FamilyCreate;

              double startAngle = 0;
              double midAngle = Math.PI;
              double endAngle = 2 * Math.PI;

              XYZ xAxis = XYZ.BasisX;
              XYZ yAxis = XYZ.BasisY;

              XYZ center = XYZ.Zero;
              XYZ normal = -XYZ.BasisZ;
              double radius = 0.7579;

              //Arc arc1 = creApp.NewArc( center, radius, startAngle, midAngle, xAxis, yAxis ); // 2013
              //Arc arc2 = creApp.NewArc( center, radius, midAngle, endAngle, xAxis, yAxis ); // 2013

              Arc arc1 = Arc.Create( center, radius, startAngle, midAngle, xAxis, yAxis ); // 2014
              Arc arc2 = Arc.Create( center, radius, midAngle, endAngle, xAxis, yAxis ); // 2014

              CurveArray baseProfile = new CurveArray();

              baseProfile.Append( arc1 );
              baseProfile.Append( arc2 );

              // create top profile:

              CurveArray topProfile = new CurveArray();

              bool circular_top = false;

              if( circular_top )
              {
            // create a circular top profile:

            XYZ center2 = new XYZ( 0, 0, 1.27 );

            //Arc arc3 = creApp.NewArc( center2, radius, startAngle, midAngle, xAxis, yAxis ); // 2013
            //Arc arc4 = creApp.NewArc( center2, radius, midAngle, endAngle, xAxis, yAxis ); // 2013

            Arc arc3 = Arc.Create( center2, radius, startAngle, midAngle, xAxis, yAxis ); // 2014
            Arc arc4 = Arc.Create( center2, radius, midAngle, endAngle, xAxis, yAxis ); // 2014

            topProfile.Append( arc3 );
            topProfile.Append( arc4 );
              }
              else
              {
            // create a skewed rectangle top profile:

            XYZ[] pts = new XYZ[] {
              new XYZ(0,0,3),
              new XYZ(2,0,3),
              new XYZ(3,2,3),
              new XYZ(0,4,3)
            };

            for( int i = 0; i < 4; ++i )
            {
              //topProfile.Append( creApp.NewLineBound( // 2013

              topProfile.Append( Line.CreateBound( // 2014
            pts[0 == i ? 3 : i - 1], pts[i] ) );
            }
              }

              //Plane basePlane = creApp.NewPlane( normal, center ); // 2016
              Plane basePlane = Plane.CreateByNormalAndOrigin( normal, center ); // 2017

              //SketchPlane sketch = factory.NewSketchPlane( basePlane ); // 2013
              SketchPlane sketch = SketchPlane.Create( doc, basePlane ); // 2014

              Blend blend = factory.NewBlend( true,
            topProfile, baseProfile, sketch );

              return blend;
        }