API Reference > OdDb Classes > OdDbXline Class > OdDbXline Methods > OdDbXline::getSecondDeriv Method
OdDbXline::getSecondDeriv Method
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Parameters |
Description |
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double param |
[in] Parameter value specifying the point on the infinite line as a Double value. |
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OdGeVector3d& secondDeriv |
[out] Reference to a variable in which this method must save the second derivative as three-dimensional vector instance. |
Computes the second derivative for the specified parameter of the infinity line entity and returns the three-dimensional vector instance. The second derivative has (0,0,0) coordinates for any point of the infinite line.
Example of Working with the Xline Object
Computed Infinite Line Properties
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