# A3DTopoCoEdgeData

struct `A3DTopoCoEdgeData`

  Co-edge structure.

  > 2.0

  The following values are defined for the `m_ucOrientationWithLoop`(orientation between edge and loop) and `m_ucOrientationUVWithLoop`(orientation between uv_curve and loop) members:

  - 0: Opposite orientation
  - 1: Same orientation
  - The `m_pUVCurve`member must either reference a curve of type `kA3DTypeCrvNurbs`, or it must be NULL.
  - Neighbors are connected one to one in a cyclic linked list. No pointer can be repeated in that list.

  ## Index

  Variables

  - `m_ucOrientationWithLoop`
  - `m_ucOrientationUVWithLoop`
  - `m_pEdge`
  - `m_pUVCurve`
  - `m_pNeighbor`

Variables

A3DUns8 `A3DTopoCoEdgeData.``m_ucOrientationWithLoop`
  `A3DUns8`

  Orientation of the edge with the loop.

A3DUns8 `A3DTopoCoEdgeData.``m_ucOrientationUVWithLoop`
  `A3DUns8`

  Orientation of the uv_curve with the loop.

A3DTopoEdge *`A3DTopoCoEdgeData.``m_pEdge`
  `A3DTopoEdge`*

  Pointer to `A3DTopoEdge`.

A3DCrvBase *`A3DTopoCoEdgeData.``m_pUVCurve`
  `A3DCrvBase`*

  Pointer to parametric space curve.

A3DTopoCoEdge *`A3DTopoCoEdgeData.``m_pNeighbor`
  `A3DTopoCoEdge`*

  Pointer to list of neighbors.

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