# A3DSurfIsPeriodic

A3DStatus `A3DSurfIsPeriodic`(const A3DSurfBase *pSrf, A3DBool *pbUIsPeriodic, A3DBool *pbVIsPeriodic)
  `A3DStatus` A3DSurfIsPeriodic(const `A3DSurfBase`* pSrf, `A3DBool`* pbUIsPeriodic, `A3DBool`* pbVIsPeriodic)

  Function to determine if a surface is periodic.

  Parameters

  > pSrf: The input surface.

  > pbUIsPeriodic: The returned value for u direction.

  > pbVIsPeriodic: The returned value for v direction.

  Returns

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

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