X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=blobdiff_plain;f=src%2FBlend%2FBlend_CurvPointFuncInv.hxx;h=b1dafd97e38ff96476197afabaf0f5ca48b25220;hb=42cf5bc1cacbc83b1bf8639227311ad726522ace;hpb=543a99649677666ef0c890c27e98910265e24508

diff --git a/src/Blend/Blend_CurvPointFuncInv.hxx b/src/Blend/Blend_CurvPointFuncInv.hxx
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+// Created on: 1997-02-12
+// Created by: Laurent BOURESCHE
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _Blend_CurvPointFuncInv_HeaderFile
+#define _Blend_CurvPointFuncInv_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <math_FunctionSetWithDerivatives.hxx>
+#include <Standard_Integer.hxx>
+#include <Standard_Boolean.hxx>
+#include <math_Vector.hxx>
+#include <Standard_Real.hxx>
+class math_Matrix;
+class gp_Pnt;
+
+
+//! Deferred   class  for a  function  used  to compute  a
+//! blending surface between a  surface and a curve, using
+//! a  guide  line.   This   function is  used  to find  a
+//! solution on a done point of the curve.
+//! The vector <X>  used in Value, Values and  Derivatives
+//! methods  has  to   be the  vector   of the  parametric
+//! coordinates w, U,  V where w is  the parameter  on the
+//! guide line, U,V   are the parametric coordinates of  a
+//! point on the partner surface.
+class Blend_CurvPointFuncInv  : public math_FunctionSetWithDerivatives
+{
+public:
+
+  DEFINE_STANDARD_ALLOC
+
+  
+  //! Returns 3.
+  Standard_EXPORT Standard_Integer NbVariables() const;
+  
+  //! returns the number of equations of the function.
+  Standard_EXPORT virtual Standard_Integer NbEquations() const = 0;
+  
+  //! computes the values <F> of the Functions for the
+  //! variable <X>.
+  //! Returns True if the computation was done successfully,
+  //! False otherwise.
+  Standard_EXPORT virtual Standard_Boolean Value (const math_Vector& X, math_Vector& F) = 0;
+  
+  //! returns the values <D> of the derivatives for the
+  //! variable <X>.
+  //! Returns True if the computation was done successfully,
+  //! False otherwise.
+  Standard_EXPORT virtual Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) = 0;
+  
+  //! returns the values <F> of the functions and the derivatives
+  //! <D> for the variable <X>.
+  //! Returns True if the computation was done successfully,
+  //! False otherwise.
+  Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) = 0;
+  
+  //! Set the Point on which a solution has to be found.
+  Standard_EXPORT virtual void Set (const gp_Pnt& P) = 0;
+  
+  //! Returns in the vector Tolerance the parametric tolerance
+  //! for each of the 3 variables;
+  //! Tol is the tolerance used in 3d space.
+  Standard_EXPORT virtual void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const = 0;
+  
+  //! Returns in the vector InfBound the lowest values allowed
+  //! for each of the 3 variables.
+  //! Returns in the vector SupBound the greatest values allowed
+  //! for each of the 3 variables.
+  Standard_EXPORT virtual void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const = 0;
+  
+  //! Returns Standard_True if Sol is a zero of the function.
+  //! Tol is the tolerance used in 3d space.
+  Standard_EXPORT virtual Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) = 0;
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+
+
+};
+
+
+
+
+
+
+
+#endif // _Blend_CurvPointFuncInv_HeaderFile