# A3DComputeFaceArea

A3DStatus `A3DComputeFaceArea`(const A3DTopoFace *pFace, const A3DTopoContext *pBrepDataTopoContext, A3DDouble *pArea)
  `A3DStatus` A3DComputeFaceArea(const `A3DTopoFace`* pFace, const `A3DTopoContext`* pBrepDataTopoContext, `A3DDouble`* pArea)

  Function to compute the surface of the current `A3DTopoFace`.

  The current TopoContext is needed in order to get the correct current scale.

  Parameters

  > pFace: The input `A3DTopoFace`.

  > pBrepDataTopoContext: The corresponding `A3DTopoContext`of the current `A3DTopoBrepData`who is owing the `A3DTopoFace`.

  > pArea: The surface of the `A3DTopoFace`in the current unit.

  Returns

  > `A3D_SUCCESS`on success, or an error code on failure

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