// Created on: 1995-07-24
// Created by: Modelistation
// Copyright (c) 1995-1999 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 _BndLib_AddSurface_HeaderFile
#define _BndLib_AddSurface_HeaderFile
#include
#include
#include
#include
class Adaptor3d_Surface;
class Bnd_Box;
class gp_Cylinder;
class gp_Cone;
class gp_Sphere;
//! computes the box from a surface
//! Functions to add a surface to a bounding box.
//! The surface is defined from a Geom surface.
class BndLib_AddSurface
{
public:
DEFINE_STANDARD_ALLOC
//! Adds to the bounding box B the surface S
//! B is then enlarged by the tolerance value Tol.
//! Note: depending on the type of curve, one of the following
//! representations of the surface S is used to include it in the bounding box B:
//! - an exact representation if S is built from a plane, a
//! cylinder, a cone, a sphere or a torus,
//! - the poles of the surface if S is built from a Bezier
//! surface or a BSpline surface,
//! - the points of an approximation of the surface S in
//! cases other than offset surfaces;
//! - in the case of an offset surface, the basis surface is first
//! included according to the previous rules; then the
//! bounding box is enlarged by the offset value.
//! Warning
//! Do not use these functions to add a non-finite surface to
//! the bounding box B.
//! If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace.
//! S is an adapted surface, that is, an object which is an interface between:
//! - the services provided by a surface from the package Geom
//! - and those required of the surface by the computation algorithm.
//! The adapted surface is created in the following way:
//! Handle(Geom_Surface) mysurface = ... ;
//! GeomAdaptor_Surface S(mysurface);
//! The bounding box B is then enlarged by adding this surface:
//! Bnd_Box B;
//! // ...
//! Standard_Real Tol = ... ;
//! AddSurface::Add ( S, Tol, B );
Standard_EXPORT static void Add (const Adaptor3d_Surface& S, const Standard_Real Tol, Bnd_Box& B);
//! Adds to the bounding box B the surface S
//! the patch of the surface S limited in the u parametric
//! direction by the two parameter values UMin, UMax, and
//! in the v parametric direction by the two parameter
//! values VMin, VMax.
//! Note: depending on the type of curve, one of the following
//! representations of the surface S is used to include it in the bounding box B:
//! - an exact representation if S is built from a plane, a
//! cylinder, a cone, a sphere or a torus,
//! - the poles of the surface if S is built from a Bezier
//! surface or a BSpline surface,
//! - the points of an approximation of the surface S in
//! cases other than offset surfaces;
//! - in the case of an offset surface, the basis surface is first
//! included according to the previous rules; then the
//! bounding box is enlarged by the offset value.
//! Warning
//! Do not use these functions to add a non-finite surface to
//! the bounding box B.
//! If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace.
//! S is an adapted surface, that is, an object which is an interface between:
//! - the services provided by a surface from the package Geom
//! - and those required of the surface by the computation algorithm.
//! The adapted surface is created in the following way:
//! Handle(Geom_Surface) mysurface = ... ;
//! GeomAdaptor_Surface S(mysurface);
//! The bounding box B is then enlarged by adding this surface:
//! Bnd_Box B;
//! // ...
//! Standard_Real Tol = ... ;
//! AddSurface::Add ( S, Tol, B );
Standard_EXPORT static void Add (const Adaptor3d_Surface& S, const Standard_Real UMin, const Standard_Real UMax, const Standard_Real VMin, const Standard_Real VMax, const Standard_Real Tol, Bnd_Box& B);
//! Adds the surface S to the bounding box B.
//! This algorith builds precise bounding box
Standard_EXPORT static void AddOptimal (const Adaptor3d_Surface& S, const Standard_Real Tol, Bnd_Box& B);
Standard_EXPORT static void AddOptimal (const Adaptor3d_Surface& S,
const Standard_Real UMin, const Standard_Real UMax,
const Standard_Real VMin, const Standard_Real VMax,
const Standard_Real Tol, Bnd_Box& B);
//! Adds to the bounding box B the surface S
//! using numerical minimization algorithms
//! This method is used in AddOptimal for not analytical surfaces and torus.
//! if Tol < Precision::Confusion(), Precision::Confusion is used as computation tolerance
Standard_EXPORT static void AddGenSurf(const Adaptor3d_Surface& S,
const Standard_Real UMin,
const Standard_Real UMax,
const Standard_Real VMin,
const Standard_Real VMax,
const Standard_Real Tol,
Bnd_Box& B);
protected:
private:
};
#endif // _BndLib_AddSurface_HeaderFile