:class:`SurfaceEvaluation`
==========================

.. py:class:: ansys.geometry.core.shapes.surfaces.surface_evaluation.SurfaceEvaluation(parameter: ansys.geometry.core.shapes.parameterization.ParamUV)

   
   Provides for evaluating a surface.
















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.. py:currentmodule:: SurfaceEvaluation

Overview
--------

.. tab-set::




   .. tab-item:: Properties

      .. list-table::
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          * - :py:attr:`~parameter`
            - Parameter that the evaluation is based upon.
          * - :py:attr:`~position`
            - Point on the surface, based on the evaluation.
          * - :py:attr:`~normal`
            - Normal to the surface.
          * - :py:attr:`~u_derivative`
            - First derivative with respect to the U parameter.
          * - :py:attr:`~v_derivative`
            - First derivative with respect to the V parameter.
          * - :py:attr:`~uu_derivative`
            - Second derivative with respect to the U parameter.
          * - :py:attr:`~uv_derivative`
            - The second derivative with respect to the U and V parameters.
          * - :py:attr:`~vv_derivative`
            - The second derivative with respect to v.
          * - :py:attr:`~min_curvature`
            - Minimum curvature.
          * - :py:attr:`~min_curvature_direction`
            - Minimum curvature direction.
          * - :py:attr:`~max_curvature`
            - Maximum curvature.
          * - :py:attr:`~max_curvature_direction`
            - Maximum curvature direction.







Import detail
-------------

.. code-block:: python

    from ansys.geometry.core.shapes.surfaces.surface_evaluation import SurfaceEvaluation

Property detail
---------------
.. py:property:: parameter
   :type: ansys.geometry.core.shapes.parameterization.ParamUV

   :abstractmethod:

   
   Parameter that the evaluation is based upon.
















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.. py:property:: position
   :type: ansys.geometry.core.math.point.Point3D

   :abstractmethod:

   
   Point on the surface, based on the evaluation.
















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.. py:property:: normal
   :type: ansys.geometry.core.math.vector.UnitVector3D

   :abstractmethod:

   
   Normal to the surface.
















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.. py:property:: u_derivative
   :type: ansys.geometry.core.math.vector.Vector3D

   :abstractmethod:

   
   First derivative with respect to the U parameter.
















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.. py:property:: v_derivative
   :type: ansys.geometry.core.math.vector.Vector3D

   :abstractmethod:

   
   First derivative with respect to the V parameter.
















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.. py:property:: uu_derivative
   :type: ansys.geometry.core.math.vector.Vector3D

   :abstractmethod:

   
   Second derivative with respect to the U parameter.
















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.. py:property:: uv_derivative
   :type: ansys.geometry.core.math.vector.Vector3D

   :abstractmethod:

   
   The second derivative with respect to the U and V parameters.
















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.. py:property:: vv_derivative
   :type: ansys.geometry.core.math.vector.Vector3D

   :abstractmethod:

   
   The second derivative with respect to v.
















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.. py:property:: min_curvature
   :type: ansys.geometry.core.typing.Real

   :abstractmethod:

   
   Minimum curvature.
















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.. py:property:: min_curvature_direction
   :type: ansys.geometry.core.math.vector.UnitVector3D

   :abstractmethod:

   
   Minimum curvature direction.
















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.. py:property:: max_curvature
   :type: ansys.geometry.core.typing.Real

   :abstractmethod:

   
   Maximum curvature.
















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.. py:property:: max_curvature_direction
   :type: ansys.geometry.core.math.vector.UnitVector3D

   :abstractmethod:

   
   Maximum curvature direction.
















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