API Reference > OdDg Classes > OdDgBSplineSurface Class > OdDgBSplineSurface Methods > OdDgBSplineSurface::getNumberOfSpansInU Method
OdDgBSplineSurface::getNumberOfSpansInU Method
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Parameters |
Description |
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OdUInt32& span |
[out] A passed-in parameter for returning the number of simple patches in the u direction. |
Returns eOk if successful. If the surface doesn't contain any NURBS information, returns eFail.
Returns the simple patches in the u direction.
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