mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-09-18 14:27:39 +03:00
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
146 lines
5.2 KiB
C++
146 lines
5.2 KiB
C++
// Created on: 1992-01-30
|
|
// Created by: Didier PIFFAULT
|
|
// Copyright (c) 1992-1999 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 _TopTrans_SurfaceTransition_HeaderFile
|
|
#define _TopTrans_SurfaceTransition_HeaderFile
|
|
|
|
#include <Standard.hxx>
|
|
#include <Standard_DefineAlloc.hxx>
|
|
#include <Standard_Handle.hxx>
|
|
|
|
#include <gp_Dir.hxx>
|
|
#include <Standard_Real.hxx>
|
|
#include <TColStd_Array2OfReal.hxx>
|
|
#include <TopTrans_Array2OfOrientation.hxx>
|
|
#include <Standard_Boolean.hxx>
|
|
#include <TopAbs_Orientation.hxx>
|
|
#include <TopAbs_State.hxx>
|
|
class gp_Dir;
|
|
|
|
|
|
//! This algorithm is used to compute the transition
|
|
//! of a 3D surface intersecting a topological surfacic
|
|
//! boundary on a 3D curve ( intersection curve ).
|
|
//! The boundary is described by a set of faces
|
|
//! each face is described by
|
|
//! - its support surface,
|
|
//! - an orientation defining its matter side.
|
|
//! The geometric elements are described locally at the
|
|
//! intersection point by a second order development.
|
|
//! A surface is described by the normal vector, the
|
|
//! principal directions and the principal curvatures.
|
|
//! A curve is described by the tangent, the normal
|
|
//! and the curvature.
|
|
//! The algorithm keeps track of the two faces elements
|
|
//! closest to the part of the curve "before" and "after"
|
|
//! the intersection, these two elements are updated
|
|
//! for each new face.
|
|
//! The position of the curve can be computed when at
|
|
//! least one surface element has been given, this
|
|
//! position is "In","Out" or "On" for the part of the
|
|
//! curve "Before" or "After" the intersection.
|
|
class TopTrans_SurfaceTransition
|
|
{
|
|
public:
|
|
|
|
DEFINE_STANDARD_ALLOC
|
|
|
|
|
|
//! Create an empty Surface Transition.
|
|
Standard_EXPORT TopTrans_SurfaceTransition();
|
|
|
|
//! Initialize a Surface Transition with the local
|
|
//! description of the intersection curve and of the
|
|
//! reference surface.
|
|
//! PREQUESITORY : Norm oriented OUTSIDE "geometric matter"
|
|
Standard_EXPORT void Reset (const gp_Dir& Tgt, const gp_Dir& Norm, const gp_Dir& MaxD, const gp_Dir& MinD, const Standard_Real MaxCurv, const Standard_Real MinCurv);
|
|
|
|
//! Initialize a Surface Transition with the local
|
|
//! description of a straight line.
|
|
Standard_EXPORT void Reset (const gp_Dir& Tgt, const gp_Dir& Norm);
|
|
|
|
//! Add a face element to the boundary.
|
|
//!
|
|
//! - S defines topological orientation for the face :
|
|
//! S FORWARD means: along the intersection curve on the
|
|
//! reference surface, transition states while crossing
|
|
//! the face are OUT,IN.
|
|
//! S REVERSED means states are IN,OUT.
|
|
//! S INTERNAL means states are IN,IN.
|
|
//!
|
|
//! - O defines curve's position on face :
|
|
//! O FORWARD means the face is before the intersection
|
|
//! O REVERSED means the face is AFTER
|
|
//! O INTERNAL means the curve intersection is in the face.
|
|
//! PREQUESITORY : Norm oriented OUTSIDE "geometric matter"
|
|
Standard_EXPORT void Compare (const Standard_Real Tole, const gp_Dir& Norm, const gp_Dir& MaxD, const gp_Dir& MinD, const Standard_Real MaxCurv, const Standard_Real MinCurv, const TopAbs_Orientation S, const TopAbs_Orientation O);
|
|
|
|
//! Add a plane or a cylindric face to the boundary.
|
|
Standard_EXPORT void Compare (const Standard_Real Tole, const gp_Dir& Norm, const TopAbs_Orientation S, const TopAbs_Orientation O);
|
|
|
|
//! Returns the state of the reference surface before
|
|
//! the interference, this is the position relative to
|
|
//! the surface of a point very close to the intersection
|
|
//! on the negative side of the tangent.
|
|
Standard_EXPORT TopAbs_State StateBefore() const;
|
|
|
|
//! Returns the state of the reference surface after
|
|
//! interference, this is the position relative to the
|
|
//! surface of a point very close to the intersection
|
|
//! on the positive side of the tangent.
|
|
Standard_EXPORT TopAbs_State StateAfter() const;
|
|
|
|
Standard_EXPORT static TopAbs_State GetBefore (const TopAbs_Orientation Tran);
|
|
|
|
Standard_EXPORT static TopAbs_State GetAfter (const TopAbs_Orientation Tran);
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
Standard_EXPORT void UpdateReference (const Standard_Real Tole, const Standard_Boolean isInfRef, Standard_Real& CosInf, Standard_Real& CosSup, const TopAbs_Orientation Tran, TopAbs_Orientation& TranRef);
|
|
|
|
Standard_EXPORT Standard_Real ComputeCos (const Standard_Real Tole, const gp_Dir& Norm, const TopAbs_Orientation O, Standard_Boolean& isleft) const;
|
|
|
|
|
|
gp_Dir myTgt;
|
|
gp_Dir myNorm;
|
|
gp_Dir beafter;
|
|
Standard_Real myCurvRef;
|
|
TColStd_Array2OfReal myAng;
|
|
TColStd_Array2OfReal myCurv;
|
|
TopTrans_Array2OfOrientation myOri;
|
|
Standard_Boolean myTouchFlag;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _TopTrans_SurfaceTransition_HeaderFile
|