geom/src/BlockFix/BlockFix_BlockFixAPI.cxx

// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// 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:    BlockFix_BlockFixAPI.cxx
//  Created: Tue Dec  7 11:59:05 2004
//  Author:  Pavel DURANDIN

#include <BlockFix_BlockFixAPI.hxx>

#include <BlockFix.hxx>
#include <BlockFix_UnionFaces.hxx>
#include <BlockFix_UnionEdges.hxx>

#include <Basics_OCCTVersion.hxx>

#include <ShapeUpgrade_RemoveLocations.hxx>

#include <Precision.hxx>

OCCT_IMPLEMENT_STANDARD_RTTIEXT(BlockFix_BlockFixAPI, MMgt_TShared);

//=======================================================================
//function : BlockFix_BlockFixAPI
//purpose  :
//=======================================================================
BlockFix_BlockFixAPI::BlockFix_BlockFixAPI()
{
  myTolerance = Precision::Confusion();
  myOptimumNbFaces = 6;
}

//=======================================================================
//function : ~BlockFix_BlockFixAPI
//purpose  :
//=======================================================================
BlockFix_BlockFixAPI::~BlockFix_BlockFixAPI() {}

//=======================================================================
//function : Perform
//purpose  :
//=======================================================================
void BlockFix_BlockFixAPI::Perform()
{
  // processing spheres with degenerativities
  TopoDS_Shape aShape = Shape();
  myShape = BlockFix::RotateSphereSpace(aShape,myTolerance);

  // try to approximate non-canonic surfaces
  // with singularities on boundaries by filling
  myShape = BlockFix::RefillProblemFaces(myShape);

  // faces unification
  BlockFix_UnionFaces aFaceUnifier;
  aFaceUnifier.GetTolerance() = myTolerance;
  aFaceUnifier.GetOptimumNbFaces() = myOptimumNbFaces;
  TopoDS_Shape aResult = aFaceUnifier.Perform(myShape);

  // avoid problem with degenerated edges appearance
  // due to shape quality regress
  ShapeUpgrade_RemoveLocations RemLoc;
  RemLoc.Remove(aResult);
  aResult = RemLoc.GetResult();

  // edges unification
  BlockFix_UnionEdges anEdgeUnifier;
  myShape = anEdgeUnifier.Perform(aResult,myTolerance);

  TopoDS_Shape aRes = BlockFix::FixRanges(myShape,myTolerance);
  myShape = aRes;
}