\begin{ccRefFunctionObjectConcept}{CircularKernel::GetEquation} \ccDefinition To get the equation of a curve. \ccCreationVariable{fo} A model \ccVar\ of this type must provide: \ccMethod{CircularKernel::Polynomial_1_2 operator()(const CircularKernel::Line_2 & c);} {Returns the equation of the line.} \ccMethod{CircularKernel::Polynomial_for_circles_2_2 operator()(const CircularKernel::Circle_2 & c);} {Returns the equation of the circle.} \ccHasModels \ccc{Circular_kernel_2::Get_equation;} \ccSeeAlso \ccRefIdfierPage{CircularKernel::ConstructLine_2}\\ \ccRefIdfierPage{CircularKernel::ConstructCircle_2} \end{ccRefFunctionObjectConcept}