API Reference > OdDb Classes > OdDbNurbSurface Class > OdDbNurbSurface Methods > OdDbNurbSurface::getIsolineAtV Method
OdDbNurbSurface::getIsolineAtV Method
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Syntax
C++
OdResult getIsolineAtV(double dV, OdDbCurvePtrArray& lineSegments) const;
Parameters
Parameters 
Description 
double dV 
[in] v parameter.  
OdDbCurvePtrArray& lineSegments 
[out] A passed-in parameter for returning the array of isoline segments. 
Returns

Returns eOk if successful. If the surface doesn't contain any NURBS information, returns eFail.

Description

Returns the isolines at a specified v value. The isolines are created in the u direction. If there are holes in the surface, there could be a number of isoline segments at a specified v value. 

 

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