API Reference > OdDb Classes > OdDbEllipse Class > OdDbEllipse Methods > OdDbEllipse::getParamAtPoint Method
OdDbEllipse::getParamAtPoint Method
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Syntax
C++
virtual OdResult getParamAtPoint(const OdGePoint3d& pointOnCurve, double& param) const;
Parameters
Parameters 
Description 
const OdGePoint3d& pointOnCurve 
[in] Three-dimensional point instance which specifies the point on the elliptical curve.  
double& param 
[out] Reference to a variable in which this method must save the parameter value as a Double value in radians. 
Description

Computes the parameter at the point placed on the elliptical figure (ellipse or arc). Parameter is an angle measured counterclockwise from the major axis in the range 0 to 2PI radians as if the elliptical figure was a circular figure with a major radius. 

 

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