API Reference > Classes > PRC Surface Classes > OdPrcBlend03Surface Class > OdPrcBlend03Surface Methods > rail2SecondDerivatives Method
rail2SecondDerivatives Method

This is the overview for the rail2SecondDerivatives method overload.

Returns the current array of rail2 second derivatives. The array of rail2 second derivatives is returned as a reference to an OdGeDoubleArray object, therefore it can be used to set new rail2 second derivatives. 
Returns the current array of rail2 second derivatives. 
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