EIC code displayed by LXR master/​include/​opencascade/​IntPatch_SpecialPoints.hxx	Source navigation Diff markup Identifier search General search
	Version: master test Revert   Change

File indexing completed on 2025-01-18 10:04:09

 //! Created on: 2016-06-03
 //! Created by: NIKOLAI BUKHALOV
 //! Copyright (c) 2016 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 _IntPatch_SpecialPoints_HeaderFile
 #define _IntPatch_SpecialPoints_HeaderFile
 
 //! Contains methods to add some special points
 //! (such as apex of cone, pole of sphere,
 //! point on surface boundary etc.) in the intersection line.
 
 #include <Adaptor3d_Surface.hxx>
 #include <IntPatch_SpecPntType.hxx>
 
 class gp_Cone;
 class gp_Vec;
 class gp_XYZ;
 class IntPatch_Point;
 class IntSurf_PntOn2S;
 
 template<typename T> class math_VectorBase;
 using math_Vector = math_VectorBase<double>;
 
 class IntPatch_SpecialPoints
 {
 public:
   //! Adds the point defined as intersection
   //! of two isolines (U = 0 and V = 0) on theQSurf in theLine.
   //! theRefPt is used to correct adjusting parameters.
   //! If theIsReversed is TRUE then theQSurf correspond to the 
   //! second (otherwise, the first) surface while forming
   //! intersection point IntSurf_PntOn2S.
   Standard_EXPORT static Standard_Boolean 
                       AddCrossUVIsoPoint(const Handle(Adaptor3d_Surface)& theQSurf,
                                          const Handle(Adaptor3d_Surface)& thePSurf,
                                          const IntSurf_PntOn2S& theRefPt,
                                          const Standard_Real theTol3d,
                                          IntSurf_PntOn2S& theAddedPoint,
                                          const Standard_Boolean theIsReversed
                                                                 = Standard_False);
 
   //! Adds the point lain strictly in the isoline U = 0 or V = 0 of theQSurf,
   //! in theLine.
   //! theRefPt is used to correct adjusting parameters.
   //! If theIsReversed is TRUE then theQSurf corresponds to the 
   //! second (otherwise, the first) surface while forming
   //! intersection point IntSurf_PntOn2S.
   //! All math_Vector-objects must be filled as follows:
   //!   [1] - U-parameter of thePSurf;
   //!   [2] - V-parameter of thePSurf;
   //!   [3] - U- (if V-isoline is considered) or V-parameter
   //!         (if U-isoline is considered) of theQSurf.
   Standard_EXPORT static Standard_Boolean
                       AddPointOnUorVIso(const Handle(Adaptor3d_Surface)& theQSurf,
                                         const Handle(Adaptor3d_Surface)& thePSurf,
                                         const IntSurf_PntOn2S& theRefPt,
                                         const Standard_Boolean theIsU,
                                         const Standard_Real theIsoParameter,
                                         const math_Vector& theToler,
                                         const math_Vector& theInitPoint,
                                         const math_Vector& theInfBound,
                                         const math_Vector& theSupBound,
                                         IntSurf_PntOn2S& theAddedPoint,
                                         const Standard_Boolean theIsReversed
                                                                 = Standard_False);
 
   //! Computes the pole of sphere to add it in the intersection line.
   //! Stores the result in theAddedPoint variable (does not add in the line).
   //! At that, cone and sphere (with singularity) must be set in theQSurf parameter.
   //! By default (if theIsReversed == FALSE), theQSurf is the first surface of the
   //! Walking line. If it is not, theIsReversed parameter must be set to TRUE.
   //! theIsReqRefCheck is TRUE if and only if 3D-point of theRefPt must be pole or apex
   //! for check (e.g. if it is vertex).
   //! thePtIso is the reference point for obtaining isoline where must be placed the Apex/Pole.
   //!
   //! ATTENTION!!!
   //!   theVertex must be initialized before calling the method .
   Standard_EXPORT static Standard_Boolean
                       AddSingularPole(const Handle(Adaptor3d_Surface)& theQSurf,
                                       const Handle(Adaptor3d_Surface)& thePSurf,
                                       const IntSurf_PntOn2S& thePtIso,
                                       IntPatch_Point& theVertex,
                                       IntSurf_PntOn2S& theAddedPoint,                                      
                                       const Standard_Boolean theIsReversed =
                                                                 Standard_False,
                                       const Standard_Boolean theIsReqRefCheck = 
                                                                 Standard_False);
 
   //! Special point has already been added in the line. Now, we need in correct
   //! prolongation of the line or in start new line. This function returns new point.
   //!
   //! ATTENTION!!!
   //!   theNewPoint is not only Output parameter. It is Input/Output one. I.e. 
   //! theNewPoint is reference point together with theRefPt.
   Standard_EXPORT static Standard_Boolean
                     ContinueAfterSpecialPoint(const Handle(Adaptor3d_Surface)& theQSurf,
                                               const Handle(Adaptor3d_Surface)& thePSurf,
                                               const IntSurf_PntOn2S& theRefPt,
                                               const IntPatch_SpecPntType theSPType,
                                               const Standard_Real theTol2D,
                                               IntSurf_PntOn2S& theNewPoint,
                                               const Standard_Boolean theIsReversed
                                                                 = Standard_False);
 
   //! Sets theNewPoint parameters in 2D-space the closest to
   //! theRefPoint with help of adding/subtracting corresponding periods.
   //! theArrPeriods must be filled as follows:
   //! {<U-period of 1st surface>, <V-period of 1st surface>,
   //!  <U-period of 2nd surface>, <V-period of 2nd surface>}.
   //! If theVertex != 0 then its parameters will be filled as
   //! corresponding parameters of theNewPoint.
   //!
   //! ATTENTION!!!
   //!   theNewPoint is not only Output parameter. It is Input/Output one. I.e. 
   //! theNewPoint is reference point together with theRefPt.
   Standard_EXPORT static void 
                       AdjustPointAndVertex(const IntSurf_PntOn2S &theRefPoint,
                                            const Standard_Real theArrPeriods[4],
                                            IntSurf_PntOn2S &theNewPoint,
                                            IntPatch_Point* const theVertex = 0);
 
 protected:
   //! Computes "special point" in the sphere
   //! The parameter will be found in the range [0, 2*PI].
   //! Therefore it must be adjusted to valid range by
   //! the high-level algorithm
   static Standard_EXPORT Standard_Boolean ProcessSphere(const IntSurf_PntOn2S& thePtIso,
                                                         const gp_Vec& theDUofPSurf,
                                                         const gp_Vec& theDVofPSurf,
                                                         const Standard_Boolean theIsReversed,
                                                         const Standard_Real theVquad,
                                                         Standard_Real& theUquad,
                                                         Standard_Boolean& theIsIsoChoosen);
 
   //! Computes "special point" in the cone.
   //! The parameter will be found in the range [0, 2*PI].
   //! Therefore it must be adjusted to valid range by
   //! the high-level algorithm.
   static Standard_EXPORT Standard_Boolean ProcessCone(const IntSurf_PntOn2S& thePtIso,
                                                       const gp_Vec& theDUofPSurf,
                                                       const gp_Vec& theDVofPSurf,
                                                       const gp_Cone& theCone,
                                                       const Standard_Boolean theIsReversed,
                                                       Standard_Real& theUquad,
                                                       Standard_Boolean& theIsIsoChoosen);
 
   //! Computes vector tangent to the intersection line in cone apex.
   //! There exist not more than 2 tangent. They will be stores in theResult vector.
   //! Returns the number of found tangents.
   //! thePlnNormal is the normalized vector of the normal to the plane intersected the cone.
   static Standard_EXPORT Standard_Integer GetTangentToIntLineForCone(const Standard_Real theConeSemiAngle,
                                                                      const gp_XYZ& thePlnNormal,
                                                                      gp_XYZ theResult[2]);
 };
 
 #endif // _IntPatch_AddSpecialPoints_HeaderFile

This page was automatically generated by the 2.3.7 LXR engine. The LXR team