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Face Class

Face Class

A bounded face of a 3d solid or open shell.
Inheritance Hierarchy

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax 
public class Face : GeometryObject

The Face type exposes the following members.

Properties
Name Description
Public property Area The area of this face.
Public property EdgeLoops A collection of edge loops. Each edge loop represents one of the closed boundaries of the face.
Public property Code example GraphicsStyleId The ElementId of the GeometryObject's GraphicsStyle
(Inherited from GeometryObject )
Public property HasRegions Identifies if the face contains regions (which can be created, for example, by the Split Face command).
Public property Id A unique integer identifying the GeometryObject in its associated non view-specific GeometryElement.
(Inherited from GeometryObject )
Public property IsCyclic Indicates whether the underlying surface is periodic in the specified parametric direction.
Public property IsElementGeometry Indicates whether this geometry is obtained directly from an Element.
(Inherited from GeometryObject )
Public property Code example IsReadOnly Identifies if the object is read-only or modifiable.
(Inherited from APIObject )
Public property IsTwoSided Determines if a face is two-sided (degenerate).
Public property MaterialElementId The element ID of the material from which this face is composed.
Public property OrientationMatchesSurfaceOrientation Returns true if this face's orientation matches the orientation of the face's surface, false if they have opposite orientations.
Public property Period The period of the underlying surface in the specified parametric direction.
Public property Reference Returns a stable reference to the face.
Public property Visibility The visibility.
(Inherited from GeometryObject )
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Methods
Name Description
Public method ComputeDerivatives Returns the first partial derivatives of the underlying surface at the specified point.
Public method ComputeNormal Returns the normal vector for the face at the given point.
Public method ComputeSecondDerivatives Returns the second partial derivatives of the face at the specified point.
Public method Dispose Causes the object to release immediately any resources it may be utilizing.
(Inherited from APIObject )
Public method Equals Determines whether the specified Object is equal to the current Object .
(Inherited from GeometryObject )
Public method Evaluate Evaluates and returns the XYZ coordinates of a point at the indicated UV parameterization of the face.
Public method GetBoundingBox Returns the UV bounding box of the face.
Public method GetEdgesAsCurveLoops 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.
Public method GetHashCode Gets the integer value of the geometry object as hash code
(Inherited from GeometryObject )
Public method GetRegions Gets the face regions (created, for example, by the Split Face command) of the face.
Public method GetSurface Returns a copy of this face's surface.
Public method GetType Gets the Type of the current instance.
(Inherited from Object )
Public method Intersect(Curve) Calculates the intersection of the specified curve with this face.
Public method Intersect(Face) Calculates the intersection of the specified face with this face and returns the intersection results.
Public method Intersect(Curve, IntersectionResultArray ) Calculates the intersection of the specified curve with this face and returns the intersection results.
Public method Intersect(Face, Curve ) Calculates the intersection of the specified face with this face and returns the intersection results.
Public method IsInside(UV) Indicates whether the specified point is within this face.
Public method IsInside(UV, IntersectionResult ) Indicates whether the specified point is within this face and outputs additional information about the point location.
Public method Project Projects the specified point on the face.
Public method ToString Returns a string that represents the current object.
(Inherited from Object )
Public method Code example Triangulate Returns a triangular mesh approximation to the face.
Public method Triangulate(Double) Returns a triangular mesh approximation to the face.
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Remarks
Faces are defined by surfaces ( Surface ) bounded by edge loops. The surfaces provide natural UV parameterization to the faces.
See Also
Inheritance Hierarchy