OfxParameterSuiteV1::paramGetDerivative
— Gets the derivative of a parameter at a specific time.
#include "ofxParam.h"
OfxStatus(*paramGetDerivative)( | OfxParamHandle paramHandle, |
OfxTimetime, | |
...) ; |
This gets the derivative of the parameter at the indicated time.
The varargs needs to be pointer to C variables
of the relevant type for this parameter. See OfxParameterSuiteV1::paramGetValue
for notes on
the varags list.
Only double and colour params can have their derivatives found.