mirror of
https://github.com/Open-Cascade-SAS/OCCT.git
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c04c30b3ee
Missing headers added; includes of headers "Handle_...hxx" removed. Misuses of macro Handle() and its use in typedefs corrected. Alias classes Profile and Option are removed from IFSelect; ones defined in MoniTool are used directly. Removed header files defining only Handle classes (except Image_PixMap_Handle.hxx) Classes SelectMgr_BaseFrustum and now inherit Standard_Transient and can be manipulated by Handle (not NCollection_Handle) Fixed reference-type local variable pointing to temporary object Use of handle in conditional expressions and comparisons to NULL are replaced by call to method IsNull()
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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//szv#4 S4163
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#include <ShapeUpgrade_ShellSewing.ixx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopExp_Explorer.hxx>
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#include <BRepBuilderAPI_Sewing.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <ShapeAnalysis_ShapeTolerance.hxx>
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#include <ShapeUpgrade_WireDivide.hxx>
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//=======================================================================
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//function : ShapeUpgrade_ShellSewing
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//purpose :
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//=======================================================================
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ShapeUpgrade_ShellSewing::ShapeUpgrade_ShellSewing()
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{
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myReShape = new ShapeBuild_ReShape;
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}
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//=======================================================================
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//function : ApplySewing
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//purpose :
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//=======================================================================
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void ShapeUpgrade_ShellSewing::Init (const TopoDS_Shape& shape)
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{
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if (shape.IsNull()) return;
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if (shape.ShapeType() == TopAbs_SHELL) myShells.Add (shape);
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else {
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for (TopExp_Explorer exs (shape,TopAbs_SHELL); exs.More(); exs.Next()) {
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myShells.Add (exs.Current());
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}
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}
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}
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//=======================================================================
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//function : Prepare
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//purpose :
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//=======================================================================
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Standard_Integer ShapeUpgrade_ShellSewing::Prepare (const Standard_Real tol)
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{
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Standard_Integer nb = myShells.Extent(), ns = 0;
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for ( Standard_Integer i = 1; i <= nb; i ++) {
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TopoDS_Shell sl = TopoDS::Shell ( myShells.FindKey (i) );
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BRepBuilderAPI_Sewing ss ( tol );
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TopExp_Explorer exp(sl,TopAbs_FACE);
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for (; exp.More(); exp.Next()) ss.Add(exp.Current());
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ss.Perform();
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TopoDS_Shape newsh = ss.SewedShape();
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if (!newsh.IsNull()) { myReShape->Replace (sl,newsh); ns ++; }
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}
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return ns;
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}
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//=======================================================================
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//function : Apply
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeUpgrade_ShellSewing::Apply (const TopoDS_Shape& shape,
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const Standard_Real tol)
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{
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if ( shape.IsNull() || myShells.Extent() == 0 ) return shape;
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TopoDS_Shape res = myReShape->Apply ( shape, TopAbs_FACE, 2 );
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// A present orienter les solides correctement
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myReShape->Clear();
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Standard_Integer ns = 0;
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for (TopExp_Explorer exd (shape,TopAbs_SOLID); exd.More(); exd.Next()) {
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TopoDS_Solid sd = TopoDS::Solid ( exd.Current() );
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BRepClass3d_SolidClassifier bsc3d (sd);
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bsc3d.PerformInfinitePoint ( tol );
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if (bsc3d.State() == TopAbs_IN) { myReShape->Replace (sd,sd.Reversed()); ns++; }
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}
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//szv#4:S4163:12Mar99 optimized
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if (ns != 0) res = myReShape->Apply( res, TopAbs_SHELL, 2 );
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return res;
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}
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//=======================================================================
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//function : ApplySewing
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeUpgrade_ShellSewing::ApplySewing (const TopoDS_Shape& shape,
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const Standard_Real tol)
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{
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if (shape.IsNull()) return shape;
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Standard_Real t = tol;
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if (t <= 0.) {
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ShapeAnalysis_ShapeTolerance stu;
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t = stu.Tolerance (shape,0); // tolerance moyenne
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}
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Init ( shape );
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if ( Prepare ( t ) ) return Apply ( shape, t );
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return TopoDS_Shape();
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}
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