MeshNgonList

Public Class

Provides access to the ngons and ngon-related functionality of a Mesh. See also the

Ngons

property for Ngon functionality details.

Inheritance Hierarchy

System.Object
Rhino.Geometry.Collections.MeshNgonList

Namespace: Rhino.Geometry.Collections

Assembly: RhinoCommon (in RhinoCommon.dll)

Syntax

public class MeshNgonList : IResizableList<MeshNgon>,
  IList<MeshNgon>, ICollection<MeshNgon>, IEnumerable<MeshNgon>,
  IEnumerable, IList, ICollection, IReadOnlyList<MeshNgon>,
  IReadOnlyCollection<MeshNgon>

The MeshNgonList type exposes the following members.

Properties

Name

Description

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Public Property

Count

Gets or sets the number of mesh ngons.

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Public Property

Item

Returns the mesh ngon at the given index.

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Public Property

UnsignedCount

Gets or sets the number of mesh ngons.

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Methods

Name

Description

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Public Method

AddNgon

Appends a new ngon to the end of the mesh ngon list.

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Public Method

AddNgons

Appends a list of ngons to the end of the mesh ngon list.

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Public Method

AddPlanarNgons(Double)

Add an ngon for each group of connected coplanar faces.

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Public Method

AddPlanarNgons(Double, Int32, Int32, Boolean)

Add an ngon for each group of connected coplanar faces.

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Public Method

Clear

Clears the Ngon list on the mesh.

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Public Method

Equals

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

(Inherited from Object.)

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Protected Method

Finalize

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

(Inherited from Object.)

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Public Method

GetEnumerator

Gets an enumerator that yields all ngons in this collection.

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Public Method

GetHashCode

Serves as the default hash function.

(Inherited from Object.)

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Public Method

GetNgon

Returns the mesh ngon at the given index.

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Public Method

GetNgonBoundary

Get a list of vertices that form the boundary of a face set. This is often use to get ngon boundaries.

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Public Method

GetNgonBoundingBox(Int32)

Gets the bounding box of an ngon.

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Public Method

GetNgonBoundingBox(MeshNgon)

Gets the bounding box of an ngon.

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Public Method

GetNgonCenter(Int32)

Gets the center point of an ngon.

This the average of the corner points.

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Public Method

GetNgonCenter(MeshNgon)

Gets the center point of an ngon.

This the average of the corner points.

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Public Method

GetNgonEdgeCount

Gets the complete edge count of an ngon.

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Public Method

GetNgonOuterEdgeCount

Gets the outer edge count of an ngon.

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Public Method

GetType

Gets the Type of the current instance.

(Inherited from Object.)

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Public Method

Insert

Inserts a mesh ngon at a defined index in this list.

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Public Method
IsValid(Int32)

Tests an ngon to see if the vertex and face references are valid and pass partial boundary validity checks.

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Public Method
IsValid(Int32, TextLog)

Tests an ngon to see if the vertex and face references are valid and pass partial boundary validity checks.

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Protected Method

MemberwiseClone

Creates a shallow copy of the current Object.

(Inherited from Object.)

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Public Method

NgonBoundaryVertexList

Get an ngon’s boundary points.

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Public Method
NgonHasHoles

Determines whether a ngon has holes.

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Public Method

NgonIndexFromFaceIndex

Returns the index of a mesh ngon the face belongs to.

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Public Method

Orientation

Determine if the ngon’s boundary orientation matches that of the set of faces it is made from.

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Public Method

RemoveAt

Removes an ngon from the mesh.

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Public Method

RemoveNgons

Remove one or more ngons from the mesh.

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Public Method

ReverseOuterBoundary

Reverse the order of the m_vi[] array for an ngon

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Public Method

SetNgon

Set an ngon in this list.

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Public Method

ToString

Returns a string that represents the current object.

(Inherited from Object.)

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