OdDbRay::getSecondDeriv Method
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Parameters |
Description |
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double param |
[in] Parameter value specifying the point on the ray 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 ray entity and returns the three-dimensional vector instance. The second derivative has (0,0,0) coordinates for any point of the ray.
Example of Working with the Ray Object
Computed Ray Properties
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