# A3DTopoLoopData

struct `A3DTopoLoopData`

  Loop structure.

  > 2.0

  The `m_ucOrientationWithSurface`member denotes the orientation of the loop “material left”towards the surface normal. The following values are defined for the `m_ucOrientationWithSurface`member:

  - 0: Opposite orientations between the loop and the surface
  - 1: Same orientation for the loop and the surface
  - 2: Unknown orientation

  ## Index

  Variables

  - `m_ucOrientationWithSurface`
  - `m_uiCoEdgeSize`
  - `m_ppCoEdges`

Variables

A3DUns8 `A3DTopoLoopData.``m_ucOrientationWithSurface`
  `A3DUns8`

  Orientation within the surface.

A3DUns32 `A3DTopoLoopData.``m_uiCoEdgeSize`
  `A3DUns32`

  The size of m_ppCoEdges.

A3DTopoCoEdge **`A3DTopoLoopData.``m_ppCoEdges`
  `A3DTopoCoEdge`**

  Array of `A3DTopoCoEdge`.

  None can be null.

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