Face

Description:
A bounded face of a 3d solid or open shell.

Remarks:
Faces are defined by surfaces (Surface) bounded by edge loops. The surfaces provide natural UV parameterization to the faces.

Inheritance Hierarchy:
System.Object
  Autodesk.Revit.DB.APIObject
    Autodesk.Revit.DB.GeometryObject
      Autodesk.Revit.DB.Face
        Autodesk.Revit.DB.ConicalFace
        Autodesk.Revit.DB.CylindricalFace
        Autodesk.Revit.DB.HermiteFace
        Autodesk.Revit.DB.PlanarFace
        Autodesk.Revit.DB.RevolvedFace
        Autodesk.Revit.DB.RuledFace

public class Face : GeometryObject

Public Class Face
	Inherits GeometryObject

public ref class Face : public GeometryObject

type Face = 
    class
        inherit GeometryObject
    end

Name	Return Type	Description	Inherited From
M ComputeDerivatives(UV)	Transform	Returns the first partial derivatives of the underlying surface at the specified point.
M ComputeNormal(UV)	XYZ	Returns the normal vector for the face at the given point.
M ComputeSecondDerivatives(UV)	FaceSecondDerivatives	Returns the second partial derivatives of the face at the specified point.
M Dispose()	None	Causes the object to release immediately any resources it may be utilizing. (Inherited from APIObject )	APIObject
M Equals(Object)	Boolean	Determines whether the specified Object is equal to the current Object . (Inherited from GeometryObject )	GeometryObject
M Evaluate(UV)	XYZ	Evaluates and returns the XYZ coordinates of a point at the indicated UV parameterization of the face.
M GetBoundingBox()	BoundingBoxUV	Returns the UV bounding box of the face.
M GetEdgesAsCurveLoops()	IList<CurveLoop>	Returns a list of closed curve loops that correspond to the edge loops of the face. Curves in each curve loop correspond to individual edges.
M GetHashCode()	Int32	Gets the integer value of the geometry object as hash code (Inherited from GeometryObject )	GeometryObject
M GetRegions()	IList<Face>	Gets the face regions (created, for example, by the Split Face command) of the face.
M GetSurface()	Surface	Returns a copy of this face's surface.
M GetType	None	Gets the Type of the current instance. (Inherited from Object )	Object
M Intersect(Curve)	SetComparisonResult	Calculates the intersection of the specified curve with this face.
M Intersect(Face)	FaceIntersectionFaceResult	Calculates the intersection of the specified face with this face and returns the intersection results.
M Intersect(Curve, IntersectionResultArray%)	SetComparisonResult	Calculates the intersection of the specified curve with this face and returns the intersection results.
M Intersect(Face, Curve%)	FaceIntersectionFaceResult	Calculates the intersection of the specified face with this face and returns the intersection results.
M IsInside(UV)	Boolean	Indicates whether the specified point is within this face.
M IsInside(UV, IntersectionResult%)	Boolean	Indicates whether the specified point is within this face and outputs additional information about the point location.
M Project(XYZ)	IntersectionResult	Projects the specified point on the face.
M ToString	None	Returns a string that represents the current object. (Inherited from Object )	Object
M Triangulate()	Mesh	Returns a triangular mesh approximation to the face.
M Triangulate(Double)	Mesh	Returns a triangular mesh approximation to the face.

Name	Return Type	Description	Inherited From
P Area	double	The area of this face.
P EdgeLoops	EdgeArrayArray	A collection of edge loops. Each edge loop represents one of the closed boundaries of the face.
P GraphicsStyleId	ElementId	The ElementId of the GeometryObject's GraphicsStyle (Inherited from GeometryObject )	GeometryObject
P HasRegions	bool	Identifies if the face contains regions (which can be created, for example, by the Split Face command).
P Id	int	A unique integer identifying the GeometryObject in its associated non view-specific GeometryElement. (Inherited from GeometryObject )	GeometryObject
P IsCyclic	Boolean	Indicates whether the underlying surface is periodic in the specified parametric direction.
P IsElementGeometry	bool	Indicates whether this geometry is obtained directly from an Element. (Inherited from GeometryObject )	GeometryObject
P IsReadOnly	bool	Identifies if the object is read-only or modifiable. (Inherited from APIObject )	APIObject
P IsTwoSided	bool	Determines if a face is two-sided (degenerate).
P MaterialElementId	ElementId	The element ID of the material from which this face is composed.
P OrientationMatchesSurfaceOrientation	bool	Returns true if this face's orientation matches the orientation of the face's surface, false if they have opposite orientations.
P Period	Double	The period of the underlying surface in the specified parametric direction.
P Reference	Reference	Returns a stable reference to the face.
P Visibility	Visibility	The visibility. (Inherited from GeometryObject )	GeometryObject