Brep Class

Initializes a new empty brep

Protected constructor used in serialization.

Parameter space trimming curves (used by trims)

Pointers to 3d curves (used by edges)

Indicates if this object has been disposed or the document it originally belonged to has been disposed.

Gets the brep edges list accessor.

Gets the brep faces list accessor.

Returns true if the Brep.TryConvertBrep function will be successful for this object

Returns true if the Brep has region topology information, false otherwise.

Gets true if this class has any custom information attached to it through UserData.

true if object can be accurately modified with "squishy" transformations like projections, shears, and non-uniform scaling.

If true this object may not be modified. Any properties or functions that attempt to modify this object when it is set to "IsReadOnly" will throw a NotSupportedException.

Gets a value indicating whether or not the Brep is manifold. Non-Manifold breps have at least one edge that is shared among three or more faces.

Determines whether this brep is a solid, or a closed oriented manifold.

Returns true if the Brep has a single face and that face is geometrically the same as the underlying surface. I.e., the face has trivial trimming.

In this case, the surface is the first face surface. The flag Brep.Faces[0].OrientationIsReversed records the correspondence between the surface's natural parametric orientation and the orientation of the Brep.

trivial trimming here means that there is only one loop curve in the brep and that loop curve is the same as the underlying surface boundary.

Tests an object to see if it is valid.

Gets the brep loop list accessor.

Useful for switch statements that need to differentiate between basic object types like points, curves, surfaces, and so on.

Gets the solid orientation state of this Brep.

Parametric surfaces used by faces

Gets the brep trims list accessor.

List of custom information that is attached to this class.

Dictionary of custom information attached to this class. The dictionary is actually user data provided as an easy to use shareable set of information.

Gets the amount of user strings.

Gets the brep vertices list accessor.

Add a 3d curve used by the brep edges

Adds a 3D surface used by BrepFace.

Add a 2d curve used by the brep trims

Appends a copy of another brep to this and updates indices of appended brep parts. Duplicates are not removed

Returns a new Brep that is equivalent to this Brep with all planar holes capped.

Change the seam of a closed trimmed surface.

Finds a point on the brep that is closest to testPoint.

Finds a point on the Brep that is closest to testPoint. The method searches all Brep faces looking for the one closest to testPoint. When found, if the closest point falls on the inactive region of the face, then the method finds the face's edge that is closest to testPoint.

Deletes any unreferenced objects from arrays, re-indexes as needed, and shrinks arrays to minimum required size. Uses CUllUnused* members to delete any unreferenced objects from arrays.

If this piece of geometry is a component in something larger, like a BrepEdge in a Brep, then this function returns the component index.

Assigns a parent object and a sub-object index to this.

Copy all trims from a Brep face onto a surface.

Creates a brep representation of the sphere with two similar trimmed NURBS surfaces, and no singularities.

Makes a curve blend between points on two surface edges. The blend will be tangent to the surfaces and perpendicular to the edges.

Makes a surface blend between two surface edges.

Compute the Solid Difference of two Breps.

Compute the Solid Difference of two sets of Breps.

Compute the Solid Difference of two Breps.

Compute the Solid Difference of two sets of Breps.

Compute the Solid Intersection of two Breps.

Compute the Solid Intersection of two sets of Breps.

Compute the Solid Intersection of two Breps.

Compute the Solid Intersection of two sets of Breps.

Splits shared areas of Breps and creates separate Breps from the shared and unshared parts.

Splits shared areas of Breps and creates separate Breps from the shared and unshared parts.

Compute the Boolean Union of a set of Breps.

Compute the Boolean Union of a set of Breps.

Compute the Boolean Union of a set of Breps.

Creates a ruled surface as a bevel between two input surface edges.

Creates a ruled surface as a bevel between two input surface edges.

Constructs the contour curves for a brep, using a slicing plane.

Constructs the contour curves for a brep at a specified interval.

Create an array of analysis meshes for the brep using the specified settings. Meshes aren't set on the brep.

Creates a single developable surface between two curves.

Creates a single developable surface between two curves.

Constructs a coons patch from 2, 3, or 4 curves.

Fillets, chamfers, or blends the edges of a brep.

Fillets, chamfers, or blends the edges of a brep.

Fillets, chamfers, or blends the edges of a brep.

Creates a constant-radius round surface between two surfaces.

Creates a constant-radius round surface between two surfaces.

Constructs new brep that matches a bounding box.

Constructs new brep that matches an aligned box.

Constructs new brep from 8 corner points.

Constructs a Brep representation of the cone with a single face for the cone, an edge along the cone seam, and vertices at the base and apex ends of this seam edge. The optional cap is a single face with one circular edge starting and ending at the base vertex.

Makes a Brep with one face from three corner points.

Makes a Brep with one face from four corner points.

Constructs a Brep definition of a cylinder.

Joins two naked edges, or edges that are coincident or close together, from two Breps.

Constructs one or more Breps by lofting through a set of curves.

Constructs one or more Breps by lofting through a set of curves, optionally matching start and end tangents of surfaces when first and/or last loft curves are surface edges

Constructs one or more Breps by lofting through a set of curves. Input for the loft is simplified by rebuilding to a specified number of control points.

Constructs one or more Breps by lofting through a set of curves. Input for the loft is simplified by refitting to a specified tolerance.

Create a brep representation of a mesh

Offsets a face including trim information to create a new brep.

Constructs a brep form of a surface of revolution.

Constructs a Brep definition of a sphere.

Constructs a Brep from a surface. The resulting Brep has an outer boundary made from four trims. The trims are ordered so that they run along the south, east, north, and then west side of the surface's parameter space.

Sweep1 function that fits a surface through a profile curve that define the surface cross-sections and one curve that defines a surface edge.

Sweep1 function that fits a surface through profile curves that define the surface cross-sections and one curve that defines a surface edge.

General 2 rail sweep. If you are not producing the sweep results that you are after, then use the SweepTwoRail class with options to generate the swept geometry.

General 2 rail sweep. If you are not producing the sweep results that you are after, then use the SweepTwoRail class with options to generate the swept geometry.

Sweep2 function that fits a surface through profile curves that define the surface cross-sections and two curves that defines the surface edges.

Sweep2 function that fits a surface through profile curves that define the surface cross-sections and two curves that defines the surface edges.

Sweep1 function that fits a surface through a series of profile curves that define the surface cross-sections and one curve that defines a surface edge.

Makes a 2 rail sweep. Like CreateFromSweep but the result is split where parameterization along a rail changes abruptly.

Sweep1 function that fits a surface through a profile curve that define the surface cross-sections and one curve that defines a surface edge. The Segmented version breaks the rail at curvature kinks and sweeps each piece separately, then put the results together into a Brep.

Sweep1 function that fits a surface through a series of profile curves that define the surface cross-sections and one curve that defines a surface edge. The Segmented version breaks the rail at curvature kinks and sweeps each piece separately, then put the results together into a Brep.

Sweep1 function that fits a surface through a series of profile curves that define the surface cross-sections and one curve that defines a surface edge. The Segmented version breaks the rail at curvature kinks and sweeps each piece separately, then put the results together into a Brep.

Extrude a curve to a taper making a brep (potentially more than 1)

Extrude a curve to a taper making a brep (potentially more than 1)

Creates one or more Breps by extruding a curve a distance along an axis with draft angle.

Constructs a Brep definition of a torus.

Offsets a Brep.

Offsets a Brep.

Constructs a brep patch.

This is the simple version of fit that uses a specified starting surface.

Constructs a brep patch.

This is the simple version of fit that uses a plane with u x v spans. It makes a plane by fitting to the points from the input geometry to use as the starting surface. The surface has the specified u and v span count.

Constructs a brep patch using all controls

Creates a single walled pipe.

Creates a single walled pipe.

Constructs a set of planar breps as outlines by the loops.

Constructs a set of planar Breps as outlines by the loops.

Constructs a set of planar breps as outlines by the loops.

Constructs a set of planar breps as outlines by the loops.

Constructs a set of planar Breps as outlines by the loops.

Constructs a set of planar breps as outlines by the loops.

CreatePlanarDifference

CreatePlanarIntersection

CreatePlanarUnion

CreatePlanarUnion

Constructs a Brep definition of a quad sphere.

Creates a hollowed out shell from a solid Brep. Function only operates on simple, solid, manifold Breps.

Constructs closed polysurfaces from surfaces and polysurfaces that bound a region in space.

Creates a double-walled pipe.

Creates a double-walled pipe.

Create a Brep trimmed plane.

Create a Brep trimmed plane.

Constructs a Brep using the trimming information of a brep face and a surface. Surface must be roughly the same shape and in the same location as the trimming brep face.

Constructs a Brep using the trimming information of a brep face and a surface. Surface must be roughly the same shape and in the same location as the trimming brep face.

Culls 3d curves not referenced by an edge.

Culls 2d curves not referenced by a trim.

Culls edges with m_edge_index == -1.

Culls faces with m_face_index == -1.

Culls loops with m_loop_index == -1.

Culls surfaces not referenced by a face.

Culls trims with m_trim_index == -1.

Culls vertices with m_vertex_index == -1.

Takes a surface and a set of all 3D curves that define a single trimmed surface, and splits the surface with the curves, keeping the piece that uses all of the curves.

Returns a CRC calculated from the information that defines the object. This CRC can be used as a quick way to see if two objects are not identical.

Destroys a Brep's region topology information.

Actively reclaims unmanaged resources that this instance uses.

Overridden in order to destroy local display cache information

Copies this brep.

Same as Duplicate, but already performs a cast to a brep.

This cast always succeeds.

Duplicate all the edges of this Brep.

Duplicate edges of this Brep.

Duplicate naked edges of this Brep.

Constructs a light copy of this object. By "light", it is meant that the same underlying data is used until something is done to attempt to change it. For example, you could have a shallow copy of a very heavy mesh object and the same underlying data will be used when doing things like inspecting the number of faces on the mesh. If you modify the location of one of the mesh vertices, the shallow copy will create a full duplicate of the underlying mesh data and the shallow copy will become a deep copy.

Copy a subset of this Brep into another Brep.

Duplicate all the corner vertices of this Brep.

If you want to keep a copy of this class around by holding onto it in a variable after a command completes, call EnsurePrivateCopy to make sure that this class is not tied to the document. You can call this function as many times as you want.

Determines whether the specified object is equal to the current object.

Extends Faces to meet and trims the faces to each other. If input faces intersect without extending, the selection point indicates the side to keep

Extends Faces to meet and trims the faces to each other. If input faces intersect without extending, the selection point indicates the side to keep

Passively reclaims unmanaged resources when the class user did not explicitly call Dispose().

Find the indices of all brep faces, edges and vertices that are within tolerance of a test-point.

Reverses entire brep orientation of all faces.

Compute the Area of the Brep. If you want proper Area data with moments and error information, use the AreaMassProperties class.

Compute the Area of the Brep. If you want proper Area data with moments and error information, use the AreaMassProperties class.

Bounding box solver. Gets the world axis aligned bounding box for the geometry.

Aligned Bounding box solver. Gets the plane aligned bounding box.

Aligned Bounding box solver. Gets the world axis aligned bounding box for the transformed geometry.

Aligned Bounding box solver. Gets the plane aligned bounding box.

If this Brep has two or more connected components, then duplicates of the connected components are returned.

Serves as the default hash function.

Populates a System.Runtime.Serialization.SerializationInfo with the data needed to serialize the target object.

Finds a point inside of a solid Brep.

Gets an array containing all regions in this brep.

If this Brep has two or more components connected by tangent edges, then duplicates of the connected components are returned.

Gets the Type of the current instance.

Gets user string from this geometry.

Gets a copy of all (user key string, user value string) pairs attached to this geometry.

Compute the Volume of the Brep. If you want proper Volume data with moments and error information, use the VolumeMassProperties class.

Compute the Volume of the Brep. If you want proper Volume data with moments and error information, use the VolumeMassProperties class.

Constructs all the Wireframe curves for this Brep.

Individually insets faces of a brep by offsetting the faces outer edges inward and inner edges out then splitting the face with the offset curves.

Verifies a Brep is in the form of a solid box.

Verifies a Brep is in the form of a solid box.

See if this and other are same brep geometry.

Determines if point is inside a Brep. This question only makes sense when the brep is a closed and manifold. This function does not check for closed or manifold, so result is not valid in those cases. Intersects a line through point with brep, finds the intersection point Q closest to point, and looks at face normal at Q. If the point Q is on an edge or the intersection is not transverse at Q, then another line is used.

Expert user function that tests the brep to see if its geometry information is valid. The value of brep.IsValidTopology() must be true before brep.IsValidGeometry() can be safely called.

Expert user function that tests the brep to see if its tolerances and flags are valid. The values of brep.IsValidTopology() and brep.IsValidGeometry() must be true before brep.IsValidTolerancesAndFlags() can be safely called.

Tests the brep to see if its topology information is valid.

Determines if an object is valid. Also provides a report on errors if this object happens not to be valid.

If any edges of this brep overlap edges of otherBrep, merge a copy of otherBrep into this brep joining all edges that overlap within tolerance.

Joins the breps in the input array at any overlapping edges to form as few as possible resulting breps. There may be more than one brep in the result array.

Joins the breps in the input array at any overlapping edges to form as few as possible resulting breps. There may be more than one brep in the result array.

Joins the breps in the input array at any overlapping edges to form as few as possible resulting breps. There may be more than one brep in the result array.

Joins two naked edges, or edges that are coincident or close together.

Joins naked edge pairs within the same brep that overlap within tolerance.

If possible, converts the object into a form that can be accurately modified with "squishy" transformations like projections, shears, an non-uniform scaling.

No support is available for this function.

Expert user function that converts all geometry in Brep to NURB form.

Creates a shallow copy of the current Object.

Computes an estimate of the number of bytes that this object is using in memory.

Combines two or more breps into one. A merge is like a boolean union that keeps the inside pieces. This function creates non-manifold Breps which in general are unusual in Rhino. You may want to consider using JoinBreps or CreateBooleanUnion functions instead.

Merges adjacent coplanar faces into single faces.

Merges adjacent coplanar faces into single faces.

Merges coplanar faces adjacent to Brep face into a single face.

Merges two coplanar, adjacent Brep faces into a single face.

Merges two surfaces into one surface at untrimmed edges. Both surfaces must be untrimmed and share an edge.

Merges two surfaces into one surface at untrimmed edges.

Merges two surfaces into one surface at untrimmed edges. Both surfaces must be untrimmed and share an edge.

Destroy cache handle

Is called when a non-constant operation occurs.

No support is available for this function.

Expert user function used by MakeValidForV2 to convert trim curves from one surface to its NURBS form. After calling this function, you need to change the surface of the face to a NurbsSurface.

Recursively removes any Brep face with a naked edge. This function is only useful for non-manifold Breps.

Remove all inner loops, or holes, in a Brep.

Removes inner loops, or holes, in a Brep.

Fills in missing or fixes incorrect component information from a Brep. Useful when reading Brep information from other file formats that do not provide as complete of a Brep definition as required by Rhino.

Rotates the object about the specified axis. A positive rotation angle results in a counter-clockwise rotation about the axis (right hand rule).

Scales the object by the specified factor. The scale is centered at the origin.

Set tolerances and flags in a Brep.

Set tolerances and flags in a Brep.

This function can be used to set the BrepTrim::m_iso flag. It is intended to be used when creating a Brep from a definition that does not include compatible parameter space type information.

Attach a user string (key,value combination) to this geometry.

This function can be used to compute vertex information for a b-rep when everything but the Vertices array is properly filled in. It is intended to be used when creating a Brep from a definition that does not include explicit vertex information.

Splits a Brep into pieces using a Brep as a cutter.

Splits a Brep into pieces using Breps as cutters.

Splits a Brep into pieces using curves, at least partially on the Brep, as cutters.

Splits a Brep into pieces using a Brep as a cutter.

Splits a Brep into pieces using a combination of curves, to be extruded, and Breps as cutters.

Standardizes all trims, edges, and faces in the brep. After standardizing, there may be unused curves and surfaces in the brep. Call Brep.Compact to remove these unused curves and surfaces.

Create a JSON string representation of this object

Returns a string that represents the current object.

Transforms the geometry. If the input Transform has a SimilarityType of OrientationReversing, you may want to consider flipping the transformed geometry after calling this function when it makes sense. For example, you may want to call Flip() on a Brep after transforming it.

Transform an array of Brep components, bend neighbors to match, and leave the rest fixed.

Translates the object along the specified vector.

Translates the object along the specified vector.

Trims a brep with an oriented cutter. The parts of the brep that lie inside (opposite the normal) of the cutter are retained while the parts to the outside (in the direction of the normal) are discarded. If the Cutter is closed, then a connected component of the Brep that does not intersect the cutter is kept if and only if it is contained in the inside of cutter. That is the region bounded by cutter opposite from the normal of cutter, If cutter is not closed all these components are kept.

Trims a Brep with an oriented cutter. The parts of Brep that lie inside (opposite the normal) of the cutter are retained while the parts to the outside ( in the direction of the normal ) are discarded. A connected component of Brep that does not intersect the cutter is kept if and only if it is contained in the inside of Cutter. That is the region bounded by cutter opposite from the normal of cutter, or in the case of a Plane cutter the half space opposite from the plane normal.

Attempts to convert a generic Geometry object into a Brep.

Un-joins, or separates, edges within the Brep. Note, seams in closed surfaces will not separate.