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## igeo
Class IEdge

    java.lang.Object
      igeo.IEdge

    public class IEdge

extends java.lang.Object

Class of an edge of polygon mesh.

Author:
  Satoru Sugihara

Field Summary
`java.util.ArrayList<IFace>` | `faces`
`IVertex[]` | `vertices`

Constructor Summary
`IEdge(IEdge e)`
`IEdge(IVertex v1, IVertex v2)`

Method Summary
`void` | `addFace(IFace f)`
`IVec` | `center()` alias of mid
`boolean` | `contains(IVertex v)`
`boolean` | `contains(IVertex v1, IVertex v2)`
`IFace[]` | `createFace(IMeshType creator)`
`void` | `del()`
`IEdge` | `dup()`
`boolean` | `eq(IEdge e)`
`boolean` | `eq(IEdge e, double tolerance)`
`IFace` | `face(int i)`
`int` | `faceNum()`
`IFace` | `getFace(int i)`
`IFace` | `getOtherFace(IFace f)`
`IFace[]` | `getOtherFaces(IFace f)`
`IVertex` | `getOtherVertex(IEdge edge)`
`IVertex` | `getOtherVertex(IVertex v)`
`IEdge` | `getOverlappingEdge()` edge sharing exact same pair of vertices
`IEdge[]` | `getOverlappingEdges()` edge sharing exact same pair of vertices
`IVec` | `getPointOnEdge(double ratio)`
`IVertex` | `getSharedVertex(IEdge edge)`
`IVertex` | `getVertex(int i)`
`boolean` | `hasSharedVertex(IEdge edge)`
`boolean` | `isConnected(IEdge edge)`
`boolean` | `isOnEdge(IVertex v)`
`IVec` | `mid()`
`IVec` | `nml()`
`IVec` | `nml(double param)`
`IVec` | `normal()`
`IVec` | `normal(double param)`
`IVec` | `pos(double ratio)`
`void` | `replaceVertex(IVertex oldVertex, IVertex newVertex)`
`IFace` | `sharedFace(IEdge edge)`
`IVertex[]` | `subdivide(int divnum, java.util.ArrayList<IVertex> newVertexArray, java.util.ArrayList<IEdge> newEdgeArray)`
`java.lang.String` | `toString()`
`void` | `traceEdge(java.util.ArrayList<IEdge> trace, java.util.ArrayList<java.util.ArrayList<IEdge>> loops, int depth)`
`java.util.ArrayList<java.util.ArrayList<IEdge>>` | `traceEdge(int maxVertexNum)`
`IVertex` | `vertex(int i)`
`int` | `vertexNum()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### vertices

    public IVertex[] vertices

### faces

    public java.util.ArrayList<IFace> faces

Constructor Detail

### IEdge

    public IEdge(IVertex v1,
                 IVertex v2)

### IEdge

    public IEdge(IEdge e)

Method Detail

### getVertex

    public IVertex getVertex(int i)

### vertex

    public IVertex vertex(int i)

### vertexNum

    public int vertexNum()

### addFace

    public void addFace(IFace f)

### getFace

    public IFace getFace(int i)

### face

    public IFace face(int i)

### faceNum

    public int faceNum()

### dup

    public IEdge dup()

### del

    public void del()

### nml

    public IVec nml(double param)

### normal

    public IVec normal(double param)

### nml

    public IVec nml()

### normal

    public IVec normal()

### getPointOnEdge

    public IVec getPointOnEdge(double ratio)

### pos

    public IVec pos(double ratio)

### mid

    public IVec mid()

### center

    public IVec center()

  alias of mid

### contains

    public boolean contains(IVertex v)

### contains

    public boolean contains(IVertex v1,
                            IVertex v2)

### replaceVertex

    public void replaceVertex(IVertex oldVertex,
                              IVertex newVertex)

### getOtherVertex

    public IVertex getOtherVertex(IVertex v)

### getOtherVertex

    public IVertex getOtherVertex(IEdge edge)

### getSharedVertex

    public IVertex getSharedVertex(IEdge edge)

### sharedFace

    public IFace sharedFace(IEdge edge)

### getOverlappingEdge

    public IEdge getOverlappingEdge()

  edge sharing exact same pair of vertices

### getOverlappingEdges

    public IEdge[] getOverlappingEdges()

  edge sharing exact same pair of vertices

### hasSharedVertex

    public boolean hasSharedVertex(IEdge edge)

### isConnected

    public boolean isConnected(IEdge edge)

### getOtherFace

    public IFace getOtherFace(IFace f)

### getOtherFaces

    public IFace[] getOtherFaces(IFace f)

### isOnEdge

    public boolean isOnEdge(IVertex v)

### traceEdge

    public java.util.ArrayList<java.util.ArrayList<IEdge>> traceEdge(int maxVertexNum)

### traceEdge

    public void traceEdge(java.util.ArrayList<IEdge> trace,
                          java.util.ArrayList<java.util.ArrayList<IEdge>> loops,
                          int depth)

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

### eq

    public boolean eq(IEdge e)

### eq

    public boolean eq(IEdge e,
                      double tolerance)

### createFace

    public IFace[] createFace(IMeshType creator)

### subdivide

    public IVertex[] subdivide(int divnum,
                               java.util.ArrayList<IVertex> newVertexArray,
                               java.util.ArrayList<IEdge> newEdgeArray)

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