Open CASCADE Technology
6.8.0
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deferred class describing a continous 2d function f(u) This class must be provided by the user to use the approximation algorithm FittingCurve2d. More...
#include <AppCont_Function2d.hxx>
Public Member Functions | |
virtual void | Delete () |
virtual | ~AppCont_Function2d () |
virtual Standard_Real | FirstParameter () const =0 |
returns the first parameter of the function. More... | |
virtual Standard_Real | LastParameter () const =0 |
returns the last parameter of the function. More... | |
virtual gp_Pnt2d | Value (const Standard_Real U) const =0 |
returns the point at parameter <U>. More... | |
virtual Standard_Boolean | D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V) const =0 |
returns the point and the derivative values at the parameter <U>. More... | |
deferred class describing a continous 2d function f(u) This class must be provided by the user to use the approximation algorithm FittingCurve2d.
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inlinevirtual |
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pure virtual |
returns the point and the derivative values at the parameter <U>.
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virtual |
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pure virtual |
returns the first parameter of the function.
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pure virtual |
returns the last parameter of the function.
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pure virtual |
returns the point at parameter <U>.