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 # set\_default

 Last update: 16.10.2025 

<a id="ansys.meshing.prime.IGAUnstructuredSplineSurf.set_default"></a>

#### *static* IGAUnstructuredSplineSurf.set\_default(id=None, degree=None, spline\_refinement\_level=None, control\_points=None, spline\_points=None, bad\_spline\_points\_indices=None, deviation\_array=None, invalid\_jacobian\_elements\_count=None, average\_mesh\_size=None, elements\_count=None, shell\_thickness=None)

Set the default values of the `IGAUnstructuredSplineSurf` object.

- **Parameters:**
    
    **id: int, optional**: Id of the unstructured spline surface.
    
    **degree: int, optional**: Degree of the spline surface.
    
    **spline\_refinement\_level: int, optional**: Refinement level for rendering of spline points.
    
    **control\_points: Iterable\[float\], optional**: Coordinates of the control points of the spline.
    
    **spline\_points: Iterable\[float\], optional**: Coordinates of the spline points.
    
    **bad\_spline\_points\_indices: Iterable\[int\], optional**: Node indices in the spline points list which has negative jacobian value.
    
    **deviation\_array: Iterable\[float\], optional**: Deviation value from the spline point to the model geometry.
    
    **invalid\_jacobian\_elements\_count: int, optional**: Count of elements with negative jacobian.
    
    **average\_mesh\_size: float, optional**: Reference length to compute deviation.
    
    **elements\_count: int, optional**: Count of shell elements.
    
    **shell\_thickness: float, optional**: Thickness of shell.