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

Computes the parameter at the point placed on the circular arc. Parameter is an angle measured counterclockwise from the OCS X-axis in the range 0 to 2PI radians. 

 

Example of Working with the Circular Arc 

Computed Circular Arc Properties

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