110 lines
4.0 KiB
C++
110 lines
4.0 KiB
C++
// Created on: 1997-09-12
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _FEmTool_Curve_HeaderFile
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#define _FEmTool_Curve_HeaderFile
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#include "Standard.hxx"
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#include "Standard_Type.hxx"
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#include "Standard_Integer.hxx"
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#include "TColStd_HArray1OfReal.hxx"
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#include "TColStd_Array1OfInteger.hxx"
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#include "TColStd_Array1OfReal.hxx"
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#include "Standard_Real.hxx"
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#include "Standard_Transient.hxx"
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#include "TColStd_Array2OfReal.hxx"
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class PLib_Base;
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class FEmTool_Curve;
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DEFINE_STANDARD_HANDLE(FEmTool_Curve, Standard_Transient)
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//! Curve defined by Polynomial Elements.
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class FEmTool_Curve : public Standard_Transient
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{
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public:
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Standard_EXPORT FEmTool_Curve(const Standard_Integer Dimension,
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const Standard_Integer NbElements,
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const Handle(PLib_Base)& TheBase,
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const Standard_Real Tolerance);
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Standard_EXPORT TColStd_Array1OfReal& Knots() const;
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Standard_EXPORT void SetElement(const Standard_Integer IndexOfElement,
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const TColStd_Array2OfReal& Coeffs);
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Standard_EXPORT void D0(const Standard_Real U, TColStd_Array1OfReal& Pnt);
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Standard_EXPORT void D1(const Standard_Real U, TColStd_Array1OfReal& Vec);
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Standard_EXPORT void D2(const Standard_Real U, TColStd_Array1OfReal& Vec);
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Standard_EXPORT void Length(const Standard_Real FirstU,
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const Standard_Real LastU,
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Standard_Real& Length);
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Standard_EXPORT void GetElement(const Standard_Integer IndexOfElement,
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TColStd_Array2OfReal& Coeffs);
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//! returns coefficients of all elements in canonical base.
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Standard_EXPORT void GetPolynom(TColStd_Array1OfReal& Coeffs);
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Standard_EXPORT Standard_Integer NbElements() const;
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Standard_EXPORT Standard_Integer Dimension() const;
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Standard_EXPORT Handle(PLib_Base) Base() const;
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Standard_EXPORT Standard_Integer Degree(const Standard_Integer IndexOfElement) const;
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Standard_EXPORT void SetDegree(const Standard_Integer IndexOfElement,
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const Standard_Integer Degree);
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Standard_EXPORT void ReduceDegree(const Standard_Integer IndexOfElement,
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const Standard_Real Tol,
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Standard_Integer& NewDegree,
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Standard_Real& MaxError);
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DEFINE_STANDARD_RTTIEXT(FEmTool_Curve, Standard_Transient)
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protected:
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private:
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Standard_EXPORT void Update(const Standard_Integer Element, const Standard_Integer Order);
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Standard_Integer myNbElements;
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Standard_Integer myDimension;
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Handle(PLib_Base) myBase;
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Handle(TColStd_HArray1OfReal) myKnots;
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TColStd_Array1OfInteger myDegree;
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TColStd_Array1OfReal myCoeff;
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TColStd_Array1OfReal myPoly;
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TColStd_Array1OfReal myDeri;
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TColStd_Array1OfReal myDsecn;
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TColStd_Array1OfInteger HasPoly;
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TColStd_Array1OfInteger HasDeri;
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TColStd_Array1OfInteger HasSecn;
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TColStd_Array1OfReal myLength;
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Standard_Real Uf;
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Standard_Real Ul;
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Standard_Real Denom;
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Standard_Real USum;
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Standard_Integer myIndex;
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Standard_Integer myPtr;
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};
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#endif // _FEmTool_Curve_HeaderFile
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