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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
172 lines
6.3 KiB
C++
172 lines
6.3 KiB
C++
// Created on: 1995-07-18
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// Created by: Modelistation
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// Copyright (c) 1995-1999 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 _Extrema_GenExtPS_HeaderFile
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#define _Extrema_GenExtPS_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_Integer.hxx>
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#include <Extrema_HArray2OfPOnSurfParams.hxx>
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#include <Extrema_HUBTreeOfSphere.hxx>
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#include <Bnd_HArray1OfSphere.hxx>
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#include <Extrema_FuncExtPS.hxx>
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#include <Adaptor3d_SurfacePtr.hxx>
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#include <Extrema_ExtFlag.hxx>
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#include <Extrema_ExtAlgo.hxx>
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#include <TColStd_HArray1OfReal.hxx>
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#include <Extrema_POnSurfParams.hxx>
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class StdFail_NotDone;
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class Standard_OutOfRange;
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class Standard_TypeMismatch;
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class gp_Pnt;
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class Adaptor3d_Surface;
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class Extrema_POnSurf;
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class Extrema_POnSurfParams;
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//! It calculates all the extremum distances
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//! between a point and a surface.
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//! These distances can be minimum or maximum.
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class Extrema_GenExtPS
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT Extrema_GenExtPS();
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//! It calculates all the distances.
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//! The function F(u,v)=distance(P,S(u,v)) has an
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//! extremum when gradient(F)=0. The algorithm searchs
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//! all the zeros inside the definition ranges of the
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//! surface.
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//! NbU and NbV are used to locate the close points
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//! to find the zeros. They must be great enough
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//! such that if there is N extrema, there will
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//! be N extrema between P and the grid.
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//! TolU et TolV are used to determine the conditions
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//! to stop the iterations; at the iteration number n:
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//! (Un - Un-1) < TolU and (Vn - Vn-1) < TolV .
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Standard_EXPORT Extrema_GenExtPS(const gp_Pnt& P, const Adaptor3d_Surface& S, const Standard_Integer NbU, const Standard_Integer NbV, const Standard_Real TolU, const Standard_Real TolV, const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX, const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad);
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//! It calculates all the distances.
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//! The function F(u,v)=distance(P,S(u,v)) has an
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//! extremum when gradient(F)=0. The algorithm searchs
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//! all the zeros inside the definition ranges of the
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//! surface.
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//! NbU and NbV are used to locate the close points
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//! to find the zeros. They must be great enough
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//! such that if there is N extrema, there will
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//! be N extrema between P and the grid.
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//! TolU et TolV are used to determine the conditions
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//! to stop the iterations; at the iteration number n:
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//! (Un - Un-1) < TolU and (Vn - Vn-1) < TolV .
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Standard_EXPORT Extrema_GenExtPS(const gp_Pnt& P, const Adaptor3d_Surface& S, const Standard_Integer NbU, const Standard_Integer NbV, const Standard_Real Umin, const Standard_Real Usup, const Standard_Real Vmin, const Standard_Real Vsup, const Standard_Real TolU, const Standard_Real TolV, const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX, const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad);
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Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Integer NbU, const Standard_Integer NbV, const Standard_Real TolU, const Standard_Real TolV);
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Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Integer NbU, const Standard_Integer NbV, const Standard_Real Umin, const Standard_Real Usup, const Standard_Real Vmin, const Standard_Real Vsup, const Standard_Real TolU, const Standard_Real TolV);
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//! the algorithm is done with the point P.
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//! An exception is raised if the fields have not
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//! been initialized.
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Standard_EXPORT void Perform (const gp_Pnt& P);
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Standard_EXPORT void SetFlag (const Extrema_ExtFlag F);
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Standard_EXPORT void SetAlgo (const Extrema_ExtAlgo A);
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//! Returns True if the distances are found.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! Returns the number of extremum distances.
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Standard_EXPORT Standard_Integer NbExt() const;
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//! Returns the value of the Nth resulting square distance.
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Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
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//! Returns the point of the Nth resulting distance.
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Standard_EXPORT const Extrema_POnSurf& Point (const Standard_Integer N) const;
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protected:
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private:
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Standard_EXPORT Adaptor3d_SurfacePtr Bidon() const;
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Standard_EXPORT void BuildTree();
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Standard_EXPORT void FindSolution (const gp_Pnt& P, const Extrema_POnSurfParams& theParams);
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//! Selection of points to build grid, depending on the type of surface
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Standard_EXPORT void GetGridPoints (const Adaptor3d_Surface& theSurf);
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//! Creation of grid of parametric points
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Standard_EXPORT void BuildGrid (const gp_Pnt& thePoint);
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//! Compute new edge parameters.
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Standard_EXPORT const Extrema_POnSurfParams& ComputeEdgeParameters (const Standard_Boolean IsUEdge, const Extrema_POnSurfParams& theParam0, const Extrema_POnSurfParams& theParam1, const gp_Pnt& thePoints, const Standard_Real theDiffTol);
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Standard_Boolean myDone;
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Standard_Boolean myInit;
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Standard_Real myumin;
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Standard_Real myusup;
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Standard_Real myvmin;
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Standard_Real myvsup;
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Standard_Integer myusample;
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Standard_Integer myvsample;
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Standard_Real mytolu;
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Standard_Real mytolv;
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Handle(Extrema_HArray2OfPOnSurfParams) myPoints;
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Extrema_HUBTreeOfSphere mySphereUBTree;
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Handle(Bnd_HArray1OfSphere) mySphereArray;
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Extrema_FuncExtPS myF;
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Adaptor3d_SurfacePtr myS;
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Extrema_ExtFlag myFlag;
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Extrema_ExtAlgo myAlgo;
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Handle(TColStd_HArray1OfReal) myUParams;
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Handle(TColStd_HArray1OfReal) myVParams;
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Handle(Extrema_HArray2OfPOnSurfParams) myFacePntParams;
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Handle(Extrema_HArray2OfPOnSurfParams) myUEdgePntParams;
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Handle(Extrema_HArray2OfPOnSurfParams) myVEdgePntParams;
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Extrema_POnSurfParams myGridParam;
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};
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#endif // _Extrema_GenExtPS_HeaderFile
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