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A3DSurfIsG1Continuous
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.. c:function:: A3DStatus A3DSurfIsG1Continuous(const A3DSurfBase *pSurf, const A3DVector2dData *pUVParameter, A3DDouble dAngleTolerance, A3DBool *pbUG1Continuous, A3DBool *pbVG1Continuous)

   .. rst-class:: sig-pretty-signature
   
      | :c:enum:`~A3DStatus` A3DSurfIsG1Continuous(*const* :c:type:`~A3DSurfBase`\ \* **pSurf**\ , *const* :c:struct:`~A3DVector2dData`\ \* **pUVParameter**\ , :c:type:`~A3DDouble` **dAngleTolerance**\ , :c:type:`~A3DBool`\ \* **pbUG1Continuous**\ , :c:type:`~A3DBool`\ \* **pbVG1Continuous**\ )
   
   Function to determine if a surface is G1 discontinuous at a point.
   
   **Parameters**
   
   
      **pSurf**\ : The input surface.
   
      **pUVParameter**\ : The coordinates of the point.
   
      **dAngleTolerance**\ : The derivative angle tolerance.
   
      **pbUG1Continuous**\ : The returned value for u direction.
   
      **pbVG1Continuous**\ : The returned value for v direction.
   
   
   **Returns**
   
   
      ``A3D_SUCCESS``\ on success, or an error code on failure
   
   




