public RectangularCrossSection(ModelOptions modelOption, double x, double y, double depth) { //Position of the 2D rectangular section (Will remain fixed). CartesianPoint2D p = CartesianPoint2D.Origin(modelOption.Model); DirectionVector2D v = DirectionVector2D.UnitX(modelOption.Model); PlacementAxis2D postion = new PlacementAxis2D(modelOption.Model, p, v); RectangleProfile rectProfile = new RectangleProfile(modelOption.Model, x, y, Xbim.Ifc2x3.ProfileResource.IfcProfileTypeEnum.AREA, postion); //Local placement of the 3D definition shape of the column(Will remain fixed). CartesianPoint3D Expoint = CartesianPoint3D.Origin(modelOption.Model); DirectionVector3D exMain = DirectionVector3D.UnitZ(modelOption.Model); DirectionVector3D exReff = DirectionVector3D.UnitX(modelOption.Model); PlacementAxis3D Exaxis = new PlacementAxis3D(modelOption.Model, Expoint, exMain, exReff); DirectionVector3D extVec = DirectionVector3D.UnitZ(modelOption.Model); ExtrudedAreaSolid solid = new ExtrudedAreaSolid(modelOption.Model, depth, rectProfile, extVec, Exaxis); ShapeRepresentation representation = new ShapeRepresentation(modelOption.Model, modelOption.Environment.SubContext, new List <ExtrudedAreaSolid>() { solid }); ProductShape = new ProductionDefinitionShape(modelOption.Model, new List <ShapeRepresentation>() { representation }); //Local placement of the object placement of the column (This will be manipulated according to Autodesk Revit readings). CartesianPoint3D point = CartesianPoint3D.Origin(modelOption.Model); DirectionVector3D main = DirectionVector3D.UnitZ(modelOption.Model); DirectionVector3D reff = DirectionVector3D.UnitX(modelOption.Model); PlacementAxis3D axis = new PlacementAxis3D(modelOption.Model, point, main, reff); LocalPlacement placement = new LocalPlacement(modelOption.Model, modelOption.Environment.Stories.FirstOrDefault().LocalPlacement, axis); }