API Reference > OdDb Classes > OdDbRay Class > OdDbRay Methods > OdDbRay::getStartPoint Method
OdDbRay::getStartPoint Method
Syntax
C++
virtual OdResult getStartPoint(OdGePoint3d& startPoint) const;
Parameters 
Description 
OdGePoint3d& startPoint 
[out] Reference to a variable in which this method must save the start point as three-dimensional point instance. 

Computes the WCS coordinates of the start point of the ray for which the parameter equals zero. The start point coincides with the base point. 

 

Example of Working with the Ray Object 

Computed Ray Properties

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