API Reference > OdDg Classes > OdDgCurveElement3d Class > OdDgCurveElement3d Methods > OdDgCurveElement3d::getDistAtParam Method
OdDgCurveElement3d::getDistAtParam Method
Syntax
C++
virtual OdResult getDistAtParam(double param, double& dist) const;
Parameters 
Description 
double param 
[in] Parameter specifying point.  
double& dist 
[out] Receives the distance. 

Returns eOk if successful, or an appropriate error code if not.

Returns the distance along this Curve object from its start point to the point specified by param. 

 

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