smesh/src/ADAPTFrontTrack/FrontTrack_Projector.hxx
2020-05-20 17:36:39 +02:00

96 lines
3.1 KiB
C++

// Copyright (C) 2017-2020 CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// File : FrontTrack_Projector.hxx
// Created : Wed Apr 26 20:12:13 2017
// Author : Edward AGAPOV (eap)
#ifndef __FrontTrack_Projector_HXX__
#define __FrontTrack_Projector_HXX__
#include <TopoDS_Shape.hxx>
#include <Bnd_Box.hxx>
struct FT_RealProjector;
/*!
* \brief Projector of a point to a boundary shape. Wrapper of a real projection algo
*/
class FT_Projector
{
public:
FT_Projector(const TopoDS_Shape& shape = TopoDS_Shape());
FT_Projector(const FT_Projector& other);
~FT_Projector();
// initialize with a boundary shape, compute the bounding box
void setBoundaryShape(const TopoDS_Shape& shape);
// return the boundary shape
const TopoDS_Shape& getShape() const { return _shape; }
// return the bounding box
const Bnd_Box getBoundingBox() const { return _bndBox; }
// create a real projector
void prepareForProjection();
// return true if a previously found solution can be used to speed up the projection
bool canUsePrevSolution() const;
// return true if projection is not needed
bool isPlanarBoundary() const;
// switch a mode of usage of prevSolution.
// If projection fails, to try to project without usage of prevSolution.
// By default this mode is off
void tryWithoutPrevSolution( bool toTry ) { _tryWOPrevSolution = toTry; }
// project a point to the boundary shape
bool project( const gp_Pnt& point,
const double maxDist2,
gp_Pnt& projection,
double* newSolution,
const double* prevSolution = 0);
// project a point to the boundary shape and check if the projection is within the shape boundary
bool projectAndClassify( const gp_Pnt& point,
const double maxDist2,
gp_Pnt& projection,
double* newSolution,
const double* prevSolution = 0);
// check if a point lies on the boundary shape
bool isOnShape( const gp_Pnt& point,
const double tol2,
double* newSolution,
const double* prevSolution = 0);
private:
FT_RealProjector* _realProjector;
Bnd_Box _bndBox;
TopoDS_Shape _shape;
bool _tryWOPrevSolution;
};
#endif