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1887 lines
69 KiB
C++
Executable File
1887 lines
69 KiB
C++
Executable File
// Created on: 2000-01-20
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// Created by: data exchange team
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// Copyright (c) 2000-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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//:pdn 11.12.98: FixDegenerated improved
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//:pdn 05.01.99: renaming method CheckLittle to CheckSmall
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//:l0 abv 10.01.99: CATIA01 #1727: fix intersecting edges always if edge is lacking
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//:n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve
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//:o4 abv 17.02.99: r0301_db.stp #53082: adding parameter isClosed to CheckOrder
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// rln 03.03.99 S4135: using updated ShapeAnalysis_Surface for checking of singularities
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//:p9 abv 11.03.99: PRO7226 #489490: fix :i9 moved to allow fixing a set of degenerated edges
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//#77 rln 11.03.99: S4135: using singularity which has minimum gap between singular point and input 3D point
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//#84 rln 18.03.99: inserting degenerated edge between ends of pcurves
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//pdn 12.03.99 S4135 check degenerated applies minimal tolerance first.
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//pdn 16.03.99 S4135 adding check of non adjacent edjes.
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//#83 rln 19.03.99: processing segments in intersection as in BRepCheck
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//%15 pdn 15.03.99 checking of small area wire added
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//#2 smh 26.03.99 S4163 Zero divide
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//#4 szv S4163 optimizing
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//:r6 abv 08.04.99: protect FixIE against working out of curve range
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//:s1 abv 22.04.99: PRO7226 #489490: ensure fixing of degenerated edge
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//#9 smh 14.12.99 BUC60615 Using tolerance of verteces during checking degenerated edge.
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#include <ShapeAnalysis_Wire.ixx>
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#include <Precision.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom2d_Curve.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2dInt_GInter.hxx>
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#include <IntRes2d_Domain.hxx>
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#include <IntRes2d_Transition.hxx>
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#include <IntRes2d_IntersectionPoint.hxx>
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#include <IntRes2d_IntersectionSegment.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepTools.hxx>
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#include <ShapeExtend.hxx>
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#include <ShapeAnalysis.hxx>
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#include <ShapeAnalysis_Curve.hxx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <TopoDS.hxx>
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#include <Precision.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <Bnd_Array1OfBox2d.hxx>
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#include <BndLib_Add2dCurve.hxx>
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#include <Bnd_Box2d.hxx>
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//szvsh addition
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#include <Geom2dAdaptor_HCurve.hxx>
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#include <Adaptor3d_CurveOnSurface.hxx>
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#include <TColgp_SequenceOfPnt.hxx>
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#include <ShapeAnalysis_Surface.hxx>
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#include <TopoDS_Wire.hxx>
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#include <ShapeAnalysis.hxx>
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#include <Geom_Plane.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopTools_DataMapOfShapeListOfShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <TopExp.hxx>
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//=======================================================================
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//function : ShapeAnalysis_Wire
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//purpose :
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//=======================================================================
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ShapeAnalysis_Wire::ShapeAnalysis_Wire()
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{
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ClearStatuses();
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myPrecision = ::Precision::Confusion();
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}
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//=======================================================================
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//function : ShapeAnalysis_Wire
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//purpose :
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//=======================================================================
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ShapeAnalysis_Wire::ShapeAnalysis_Wire (const TopoDS_Wire& wire,
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const TopoDS_Face& face,
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const Standard_Real precision)
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{
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Init (wire, face, precision);
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}
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//=======================================================================
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//function : ShapeAnalysis_Wire
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//purpose :
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//=======================================================================
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ShapeAnalysis_Wire::ShapeAnalysis_Wire (const Handle(ShapeExtend_WireData)& sbwd,
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const TopoDS_Face& face,
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const Standard_Real precision)
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{
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Init (sbwd, face, precision);
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::Init (const TopoDS_Wire& wire,
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const TopoDS_Face& face, const Standard_Real precision)
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{
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Init (new ShapeExtend_WireData (wire), face, precision);
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::Init (const Handle(ShapeExtend_WireData)& sbwd,
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const TopoDS_Face& face, const Standard_Real precision)
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{
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Load (sbwd);
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SetFace (face);
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SetPrecision (precision);
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}
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//=======================================================================
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//function : Load
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::Load (const TopoDS_Wire& wire)
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{
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ClearStatuses();
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myWire = new ShapeExtend_WireData (wire);
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}
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//=======================================================================
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//function : Load
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd)
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{
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ClearStatuses();
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myWire = sbwd;
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}
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//=======================================================================
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//function : SetFace
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& face)
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{
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myFace = face;
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if(!face.IsNull())
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mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface ( myFace ) );
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}
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//=======================================================================
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//function : SetSurface
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface)
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{
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SetSurface ( surface, TopLoc_Location() );
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}
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//=======================================================================
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//function : SetSurface
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface,
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const TopLoc_Location& location)
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{
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BRep_Builder B;
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TopoDS_Face face;
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B.MakeFace ( face, surface, location, ::Precision::Confusion() );
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SetFace ( face );
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}
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//=======================================================================
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//function : SetPrecision
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::SetPrecision(const Standard_Real precision)
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{
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myPrecision = precision;
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}
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//=======================================================================
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//function : ClearStatuses
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//purpose :
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//=======================================================================
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void ShapeAnalysis_Wire::ClearStatuses()
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{
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myStatusOrder = myStatusConnected =
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myStatusEdgeCurves = myStatusDegenerated =
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myStatusClosed = myStatusLacking =
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myStatusSelfIntersection = myStatusSmall =
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myStatusGaps3d = myStatusGaps2d =
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myStatusCurveGaps = myStatusLoop = myStatus = 0;
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myMin3d = myMin2d = myMax3d = myMax2d = 0.;
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::Perform()
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{
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Standard_Boolean result = Standard_False;
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result |= CheckOrder();
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result |= CheckSmall();
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result |= CheckConnected();
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result |= CheckEdgeCurves();
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result |= CheckDegenerated();
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result |= CheckSelfIntersection();
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result |= CheckLacking();
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result |= CheckClosed();
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return result;
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}
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//=======================================================================
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//function : CheckOrder
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckOrder (const Standard_Boolean isClosed,
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const Standard_Boolean mode3d)
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{
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ShapeAnalysis_WireOrder sawo;
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CheckOrder (sawo, isClosed, mode3d);
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myStatusOrder = myStatus;
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return StatusOrder (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckSmall
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckSmall(const Standard_Real precsmall)
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{
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for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
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CheckSmall (i, precsmall);
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myStatusSmall |= myStatus;
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}
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return StatusSmall (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckConnected
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckConnected(const Standard_Real prec)
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{
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for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
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CheckConnected ( i, prec );
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myStatusConnected |= myStatus;
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}
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return StatusConnected (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckEdgeCurves
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckEdgeCurves()
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{
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myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if ( ! IsReady() ) return Standard_False;
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Standard_Integer i, nb = myWire->NbEdges();
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ShapeAnalysis_Edge SAE;
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for (i = 1; i <= nb; i++) {
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TopoDS_Edge E = myWire->Edge (i);
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SAE.CheckCurve3dWithPCurve (E, myFace);
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if (SAE.Status (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
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if (SAE.Status ( ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
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SAE.CheckVerticesWithPCurve (E, myFace);
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if (SAE.Status (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
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if (SAE.Status ( ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
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SAE.CheckVerticesWithCurve3d (E);
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if (SAE.Status (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
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if (SAE.Status ( ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
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CheckSeam (i);
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if (LastCheckStatus (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE4);
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if (LastCheckStatus (ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL4);
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CheckGap3d (i);
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if (LastCheckStatus (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
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if (LastCheckStatus (ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL5);
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CheckGap2d (i);
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if (LastCheckStatus (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
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if (LastCheckStatus (ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL6);
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Standard_Real maxdev = 0.0;
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SAE.CheckSameParameter (myWire->Edge (i), maxdev);
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if (SAE.Status (ShapeExtend_DONE))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE7);
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if (SAE.Status ( ShapeExtend_FAIL))
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myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL7);
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}
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return StatusEdgeCurves (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckDegenerated
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated()
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{
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for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
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CheckDegenerated (i);
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myStatusDegenerated |= myStatus;
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}
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return StatusDegenerated (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckSelfIntersection
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersection()
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{
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myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if (!IsReady()) return Standard_False;
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Standard_Integer i, nb = myWire->NbEdges();
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for (i = 1; i <= nb; i++) {
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CheckSelfIntersectingEdge (i);
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if (LastCheckStatus (ShapeExtend_DONE))
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
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if (LastCheckStatus (ShapeExtend_FAIL))
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
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CheckIntersectingEdges (i);
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if (LastCheckStatus (ShapeExtend_DONE))
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
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if (LastCheckStatus (ShapeExtend_FAIL))
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
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}
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Bnd_Array1OfBox2d boxes(1,nb);
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TopLoc_Location L;
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const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L);
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Handle(Geom2d_Curve) c2d;
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Standard_Real cf,cl;
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ShapeAnalysis_Edge sae;
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Handle(ShapeExtend_WireData) sbwd = WireData();
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for(i = 1; i <= nb; i++){
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TopoDS_Edge E = sbwd->Edge (i);
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if(sae.PCurve (E,S,L,c2d,cf,cl,Standard_False)) {
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Bnd_Box2d box;
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Geom2dAdaptor_Curve gac(c2d,cf,cl);
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BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box);
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boxes(i) = box;
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}
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}
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Standard_Boolean isFail = Standard_False, isDone = Standard_False;
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for(Standard_Integer num1 = 1; num1 < nb-1; num1++) {
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Standard_Integer fin = nb;
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if (CheckClosed(Precision::Confusion()) && 1 == num1)
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fin = nb-1;
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for(Standard_Integer num2 = num1+2; num2 <= fin; num2++)
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if(!boxes(num1).IsOut(boxes(num2))){
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CheckIntersectingEdges(num1, num2);
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isFail |= LastCheckStatus ( ShapeExtend_FAIL1 );
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isDone |= LastCheckStatus ( ShapeExtend_DONE1 );
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}
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}
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if(isFail)
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 );
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if(isDone)
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myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 );
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return StatusSelfIntersection (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckLacking
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckLacking()
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{
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if (!IsReady() || NbEdges() < 2) return Standard_False;
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for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
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CheckLacking (i);
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myStatusLacking |= myStatus;
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}
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return StatusLacking (ShapeExtend_DONE);
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}
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//=======================================================================
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//function : CheckClosed
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckClosed(const Standard_Real prec)
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{
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myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if (!IsReady() || NbEdges() < 1) return Standard_False;
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CheckConnected (1, prec);
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if ( LastCheckStatus ( ShapeExtend_DONE ) )
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myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
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if ( LastCheckStatus ( ShapeExtend_FAIL ) )
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myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
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CheckDegenerated ( 1 );
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if ( LastCheckStatus ( ShapeExtend_DONE ) )
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myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
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if ( LastCheckStatus ( ShapeExtend_FAIL ) )
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myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 );
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return StatusClosed ( ShapeExtend_DONE );
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}
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//=======================================================================
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//function : CheckGaps3d
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckGaps3d ()
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{
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myStatusGaps3d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if (!IsLoaded() || NbEdges() < 1) return Standard_False; //gka IsLoaded
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Standard_Real dist, maxdist = 0.;
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for (Standard_Integer i = 1; i <= NbEdges(); i++) {
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CheckGap3d(i);
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myStatusGaps3d |= myStatus;
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if (!LastCheckStatus(ShapeExtend_FAIL1)) {
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dist = MinDistance3d();
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if (maxdist<dist) maxdist = dist;
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}
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}
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myMin3d = myMax3d = maxdist;
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return StatusGaps3d ( ShapeExtend_DONE );
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}
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//=======================================================================
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//function : CheckGaps2d
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_Wire::CheckGaps2d ()
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{
|
|
myStatusGaps2d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
|
|
if (!IsReady() || NbEdges() < 1) return Standard_False;
|
|
|
|
Standard_Real dist, maxdist = 0.;
|
|
|
|
for (Standard_Integer i = 1; i <= NbEdges(); i++) {
|
|
CheckGap2d(i);
|
|
myStatusGaps2d |= myStatus;
|
|
if (!LastCheckStatus(ShapeExtend_FAIL1)) {
|
|
dist = MinDistance2d();
|
|
if (maxdist<dist) maxdist = dist;
|
|
}
|
|
}
|
|
myMin2d = myMax2d = maxdist;
|
|
|
|
return StatusGaps2d ( ShapeExtend_DONE );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckCurveGaps
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckCurveGaps ()
|
|
{
|
|
myStatusCurveGaps = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
|
|
if (!IsReady() || NbEdges() < 1) return Standard_False;
|
|
|
|
Standard_Real dist, maxdist = 0.;
|
|
|
|
for (Standard_Integer i = 1; i <= NbEdges(); i++) {
|
|
CheckCurveGap(i);
|
|
myStatusCurveGaps |= myStatus;
|
|
if (!LastCheckStatus(ShapeExtend_FAIL1)) {
|
|
dist = MinDistance3d();
|
|
if (maxdist<dist) maxdist = dist;
|
|
}
|
|
}
|
|
myMin3d = myMax3d = maxdist;
|
|
|
|
return StatusCurveGaps ( ShapeExtend_DONE );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckOrder
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckOrder(ShapeAnalysis_WireOrder& sawo,
|
|
const Standard_Boolean isClosed,
|
|
const Standard_Boolean mode3d)
|
|
{
|
|
if ( ! mode3d && myFace.IsNull() ) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
sawo.SetMode ( mode3d, ( mode3d ? myPrecision : ::Precision::PConfusion() ) );
|
|
Standard_Integer i, nb = myWire->NbEdges();
|
|
ShapeAnalysis_Edge EA;
|
|
for (i = 1; i <= nb; i ++) {
|
|
TopoDS_Edge E = myWire->Edge(i);
|
|
if ( mode3d ) {
|
|
TopoDS_Vertex V1 = EA.FirstVertex (E);
|
|
TopoDS_Vertex V2 = EA.LastVertex (E);
|
|
if (V1.IsNull() || V2.IsNull())
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
gp_Pnt p1 = BRep_Tool::Pnt (V1);
|
|
gp_Pnt p2 = BRep_Tool::Pnt (V2);
|
|
sawo.Add (p1.XYZ(),p2.XYZ());
|
|
}
|
|
else {
|
|
Standard_Real f,l;
|
|
Handle(Geom2d_Curve) c2d;
|
|
TopoDS_Shape tmpF = myFace.Oriented(TopAbs_FORWARD);
|
|
if ( ! EA.PCurve(E,TopoDS::Face(tmpF),c2d,f,l) ) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
|
|
}
|
|
}
|
|
sawo.Perform(isClosed);
|
|
Standard_Integer stat = sawo.Status();
|
|
switch (stat) {
|
|
case 0: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK); break;
|
|
case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1); break;
|
|
case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
|
|
case -1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
|
|
case -2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
|
|
case -10: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1); break;
|
|
}
|
|
return LastCheckStatus (ShapeExtend_DONE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckConnected
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckConnected (const Standard_Integer num,
|
|
const Standard_Real prec)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsLoaded() || NbEdges() < 1 ) return Standard_False;
|
|
|
|
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
|
|
Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
|
|
// if (n1 == n2) return 0;
|
|
|
|
TopoDS_Edge E1 = WireData()->Edge ( n1 );
|
|
TopoDS_Edge E2 = WireData()->Edge ( n2 );
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
TopoDS_Vertex V1 = sae.LastVertex (E1);
|
|
TopoDS_Vertex V2 = sae.FirstVertex (E2);
|
|
if (V1.IsNull() || V2.IsNull())
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
if (V1.IsSame(V2)) return Standard_False;
|
|
|
|
gp_Pnt p1 = BRep_Tool::Pnt (V1);
|
|
gp_Pnt p2 = BRep_Tool::Pnt (V2);
|
|
myMin3d = p1.Distance(p2);
|
|
if ( myMin3d <= gp::Resolution() ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
else if ( myMin3d <= myPrecision ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
|
|
else if ( myMin3d <= prec ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
|
|
else {
|
|
// et en inversant la derniere edge ?
|
|
if ( n1 == n2 ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
else {
|
|
V2 = sae.LastVertex (E2);
|
|
p2 = BRep_Tool::Pnt (V2);
|
|
Standard_Real dist = p1.Distance(p2);
|
|
if ( dist > myPrecision ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
else {
|
|
myMin3d = dist;
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
}
|
|
}
|
|
return Standard_False;
|
|
}
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSmall
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSmall (const Standard_Integer num,
|
|
const Standard_Real precsmall)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsLoaded() || NbEdges() <= 1 ) return Standard_False;
|
|
|
|
//Standard_Integer n = ( num ? num : NbEdges() ); //szv#4:S4163:12Mar99 not needed
|
|
TopoDS_Edge E = myWire->Edge ( num ? num : NbEdges() );
|
|
ShapeAnalysis_Edge sae;
|
|
|
|
if ( BRep_Tool::Degenerated ( E ) ) {
|
|
//:n2 abv 22 Jan 99: ma-test5.igs -> IGES (brep) -> read (pref3d):
|
|
// degen edge with no pcurve should be removed
|
|
if ( ! myFace.IsNull() && sae.HasPCurve ( E, Face() ) ) return Standard_False;
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
}
|
|
|
|
TopoDS_Vertex V1 = sae.FirstVertex (E);
|
|
TopoDS_Vertex V2 = sae.LastVertex (E);
|
|
gp_Pnt p1 = BRep_Tool::Pnt (V1);
|
|
gp_Pnt p2 = BRep_Tool::Pnt (V2);
|
|
Standard_Real dist = p1.Distance(p2);
|
|
Standard_Real prec = precsmall;//Min ( myPrecision, precsmall );
|
|
//Standard_Real prec = Min(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); //skl
|
|
if (dist > prec) return Standard_False; // pas nulle
|
|
|
|
// La courbe 3D a present : est-elle FERMEE ou DE LONGUEUR NULLE ... ???
|
|
// Pour cela on prend le point milieu (y a-t-il mieux)
|
|
// Si pas de C3D, on essaie la C2D ...
|
|
|
|
gp_Pnt Pm;
|
|
Standard_Real cf,cl;
|
|
Handle(Geom_Curve) c3d;
|
|
if ( sae.Curve3d (E,c3d,cf,cl,Standard_False) ) Pm = c3d->Value ( (cf+cl)/2. );
|
|
else {
|
|
Handle(Geom2d_Curve) c2d;
|
|
if ( ! myFace.IsNull() && sae.PCurve (E,myFace,c2d,cf,cl,Standard_False)) {
|
|
gp_Pnt2d p2m = c2d->Value ( (cf+cl)/2. );
|
|
Pm = mySurf->Value (p2m);
|
|
}
|
|
else {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
Pm = p1;
|
|
//:n2 return Standard_False;
|
|
}
|
|
}
|
|
if ( Pm.Distance(p1) > prec || Pm.Distance(p2) > prec ) return Standard_False;
|
|
|
|
myStatus |= ShapeExtend::EncodeStatus ( V1.IsSame(V2) ? ShapeExtend_DONE1 : ShapeExtend_DONE2 );
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSeam
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num,
|
|
Handle(Geom2d_Curve)& C1,
|
|
Handle(Geom2d_Curve)& C2,
|
|
Standard_Real& cf,
|
|
Standard_Real& cl)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if (!IsReady()) return Standard_False;
|
|
Standard_Integer n = num; if (n == 0) n = NbEdges();
|
|
TopoDS_Edge E = myWire->Edge (n);
|
|
if ( ! ShapeAnalysis_Edge().IsSeam ( E, myFace ) ) return Standard_False;
|
|
// Extract the Two PCurves of the Seam
|
|
TopoDS_Face ForwardFace = myFace; ForwardFace.Orientation (TopAbs_FORWARD);
|
|
//szv#4:S4163:12Mar99 SGI warns
|
|
TopoDS_Shape EF = E.Oriented(TopAbs_FORWARD);
|
|
TopoDS_Shape ER = E.Oriented(TopAbs_REVERSED);
|
|
C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(EF), ForwardFace, cf, cl);
|
|
C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(ER), ForwardFace, cf, cl);
|
|
if (C1.IsNull() || C2.IsNull()) return Standard_False;
|
|
|
|
// SelectForward est destine a devenir un outil distinct
|
|
|
|
Standard_Integer theCurveIndice = ShapeAnalysis_Curve().SelectForwardSeam (C1,C2);
|
|
if ( theCurveIndice != 2 ) return Standard_False;
|
|
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSeam
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num)
|
|
{
|
|
Handle(Geom2d_Curve) C1, C2;
|
|
Standard_Real cf, cl;
|
|
return CheckSeam (num, C1, C2, cf, cl);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckDegenerated
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num,
|
|
gp_Pnt2d& p2d1, gp_Pnt2d& p2d2)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() || NbEdges() < 1 ) return Standard_False;
|
|
|
|
Standard_Integer n2 = (num > 0)? num : NbEdges();
|
|
Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
|
|
Standard_Integer n3 = (n2 < NbEdges())? n2+1 : 1;
|
|
TopoDS_Edge E1 = myWire->Edge ( n1 );
|
|
TopoDS_Edge E2 = myWire->Edge ( n2 );
|
|
TopoDS_Edge E3 = myWire->Edge ( n3 );
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
|
|
// skip if edge is already marked as degenerated and has pcurve
|
|
if ( BRep_Tool::Degenerated ( E2 ) && sae.HasPCurve ( E2, Face() ) ) {
|
|
// skl 30.12.2004 for OCC7630 - we have to check pcurve
|
|
if( sae.HasPCurve(E1,Face()) && sae.HasPCurve(E3,Face()) ) {
|
|
Handle(Geom2d_Curve) c2d;
|
|
Standard_Real fp,lp;
|
|
sae.PCurve ( E2, myFace, c2d, fp, lp, Standard_True );
|
|
gp_Pnt2d p21 = c2d->Value(fp);
|
|
gp_Pnt2d p22 = c2d->Value(lp);
|
|
sae.PCurve ( E1, myFace, c2d, fp, lp, Standard_True );
|
|
gp_Pnt2d p12 = c2d->Value(lp);
|
|
sae.PCurve ( E3, myFace, c2d, fp, lp, Standard_True );
|
|
gp_Pnt2d p31 = c2d->Value(fp);
|
|
if( fabs(p12.Distance(p31)-p21.Distance(p22)) > 2*Precision::PConfusion() ) {
|
|
// pcurve is bad => we can remove this edge in ShapeFix
|
|
// if set needed status
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
}
|
|
}
|
|
return Standard_False;
|
|
}
|
|
|
|
//pdn allows to insert two sequences of degenerated edges (on separate bounds of surfaces)
|
|
if ( n1 != n2 && BRep_Tool::Degenerated ( E1 ) &&
|
|
! sae.HasPCurve ( E1, Face() ) ) {
|
|
//:abv 13.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
|
|
if ( BRep_Tool::Degenerated ( E2 ) )
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
//:i8 if ( BRep_Tool::Degenerated ( E1 ) ||
|
|
//:i8 BRep_Tool::Degenerated ( E2 ) ) return Standard_False; // deja OK
|
|
|
|
TopoDS_Vertex Vp = sae.FirstVertex (E1); //:i9
|
|
TopoDS_Vertex V0 = sae.LastVertex (E1);
|
|
TopoDS_Vertex V1 = sae.FirstVertex (E2);
|
|
TopoDS_Vertex V2 = sae.LastVertex (E2);
|
|
gp_Pnt pp = BRep_Tool::Pnt (Vp); //:i9
|
|
gp_Pnt p0 = BRep_Tool::Pnt (V0);
|
|
gp_Pnt p1 = BRep_Tool::Pnt (V1);
|
|
gp_Pnt p2 = BRep_Tool::Pnt (V2);
|
|
Standard_Real par1, par2;
|
|
Standard_Boolean lack = Standard_False;
|
|
Standard_Boolean dgnr = Standard_False;
|
|
//pdn 12.03.99 minimal value processing first
|
|
Standard_Real precFirst = Min(myPrecision,BRep_Tool::Tolerance(V1));
|
|
Standard_Real precFin = Max(myPrecision,BRep_Tool::Tolerance(V1));
|
|
Standard_Real precVtx = (myPrecision<BRep_Tool::Tolerance(V1) ? 2*precFin : precFin);
|
|
// forward : si Edge <num> FWD/REV. Si LACK, toujours True
|
|
Standard_Boolean forward = ( E2.Orientation() == TopAbs_FORWARD );
|
|
// FIX FEV 1998 : recompute singularity according precision
|
|
|
|
if (p1.Distance(p2) <= precFirst) { // edge DGNR
|
|
dgnr = mySurf->DegeneratedValues ( p1, precVtx, p2d1, p2d2, par1, par2, forward ); //smh#9
|
|
if ( dgnr ) { // abv 24 Feb 00: trj3_as1-ac-214.stp #6065: avoid making closed edge degenerated
|
|
Standard_Real a, b;
|
|
Handle(Geom_Curve) C3d = BRep_Tool::Curve ( E2, a, b );
|
|
if ( ! C3d.IsNull() ) {
|
|
gp_Pnt p = C3d->Value ( 0.5 * ( a + b ) );
|
|
if ( p.SquareDistance ( p1 ) > precVtx * precVtx ) dgnr = Standard_False;
|
|
}
|
|
}
|
|
}
|
|
if ( ! dgnr ) {
|
|
//:i9 abv 23 Sep 98: CTS20315-2 #63231: check that previous edge is not degenerated
|
|
if ( n1 != n2 && p1.Distance(pp) <= precFirst &&
|
|
mySurf->IsDegenerated ( pp, precFirst ) &&
|
|
! BRep_Tool::Degenerated ( E1 ) ) return Standard_False;
|
|
//rln S4135 ShapeAnalysis_Surface new algorithms for singularities
|
|
//:45 by abv 16 Dec 97: BUC60035 2659: precision increased to vertex tolerance
|
|
//Standard_Real prec = Max ( myPrecision, BRep_Tool::Tolerance(V1) );
|
|
//:51 abv 22 Dec 97: recompute singularities if necessary
|
|
//rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( 2 * prec ); //:51 //:74 abv 15 Jan 97: *2
|
|
|
|
if ( p0.Distance ( p1 ) <= precFin ) {// ou DGNR manquante ?
|
|
//rln S4135 singularity with precision = 2 * prec, but distance <= prec
|
|
//lack = mySurf->DegeneratedValues ( p1, prec, p2d1, p2d2, par1, par2, forward);
|
|
Standard_Real tmpPreci;
|
|
gp_Pnt tmpP3d;
|
|
Standard_Boolean tmpUIsoDeg;
|
|
//#77 rln S4135: using singularity which has minimum gap between singular point and input 3D point
|
|
Standard_Integer indMin = -1;
|
|
Standard_Real gapMin2 = RealLast();
|
|
for (Standard_Integer i = 1; i <= mySurf->NbSingularities (precVtx); i++) {
|
|
mySurf->Singularity (i, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
|
|
Standard_Real gap2 = p1.SquareDistance (tmpP3d);
|
|
if (gap2 <= precVtx * precVtx)
|
|
if (gapMin2 > gap2) {
|
|
gapMin2 = gap2;
|
|
indMin = i;
|
|
}
|
|
}
|
|
if (indMin >= 1) {
|
|
mySurf->Singularity (indMin, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
|
|
lack = Standard_True;
|
|
}
|
|
}
|
|
|
|
//rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( myPrecision ); //:51
|
|
}
|
|
|
|
// voila, on a soit dgnr soit lack
|
|
if ( ! lack && ! dgnr ) {
|
|
//:abv 29.08.01: if singularity not detected but edge is marked
|
|
// as degenerated, report fail
|
|
if ( BRep_Tool::Degenerated ( E2 ) && ! sae.HasPCurve ( E2, Face() ) )
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
// OK, degenerated case detected; we will find its start and end in 2d
|
|
|
|
if ( lack ) forward = Standard_True;
|
|
|
|
//:24 by abv 28 Nov 97:
|
|
// make degenerative pcurve parametrized exactly from end of pcurve of the
|
|
// previous edge to the start of the next one
|
|
if ( lack || n1 != n2 ) { //:i8 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp #182180: single degedge is a wire at apex of a cone
|
|
Standard_Real a, b;
|
|
Handle(Geom2d_Curve) c2d;
|
|
if ( sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
|
|
p2d1 = c2d->Value ( b );
|
|
//#84 rln gp_Pnt2d p2d = c2d->Value ( b );
|
|
//#84 rln par1 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
|
|
}
|
|
else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
//pdn pcurves (fixing regression in f0 in degenerated case)
|
|
if ( sae.PCurve ( ( dgnr ? E3 : E2 ), myFace, c2d, a, b, Standard_True ) ) {
|
|
p2d2 = c2d->Value ( a );
|
|
//#84 rln gp_Pnt2d p2d = c2d->Value ( a );
|
|
//#84 rln par2 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
|
|
}
|
|
else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
}
|
|
/*
|
|
if ( par2 < par1 ) {
|
|
par1 = -par1;
|
|
par2 = -par2;
|
|
theDir2d.Reverse();
|
|
}
|
|
*/
|
|
|
|
//#84 rln 18.03.99 if pcurve is not degenerate anymore, the fix is postponned
|
|
//to ShapeFix_Wire::FixLacking
|
|
if ( ! mySurf->IsDegenerated ( p2d1, p2d2, precVtx, 10. ) ) { //:s1 abv 22 Apr 99: PRO7226 #489490 //smh#9
|
|
//:abv 24.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
|
|
if ( BRep_Tool::Degenerated ( E2 ) )
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
//added by rln 18/12/97 CSR# CTS18544 entity 13638
|
|
//the situation when degenerated edge already exists but flag is not set
|
|
//(i.e. the parametric space is closed)
|
|
GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
|
|
Standard_Real max = Max ( Ads.UResolution(myPrecision),
|
|
Ads.VResolution(myPrecision) );
|
|
if ( p2d1.Distance (p2d2) /*Abs (par1 - par2)*/ <= max + gp::Resolution() ) return Standard_False;
|
|
|
|
//#84 rln p2d1 = aP2d.XY() + par1 * theDir2d.XY();
|
|
//#84 rln p2d2 = aP2d.XY() + par2 * theDir2d.XY();
|
|
myStatus = ShapeExtend::EncodeStatus ( dgnr ? ShapeExtend_DONE2 : ShapeExtend_DONE1 );
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckDegenerated
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num)
|
|
{
|
|
gp_Pnt2d p2d1, p2d2;
|
|
return CheckDegenerated ( num, p2d1, p2d2 );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckGap3d
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckGap3d(const Standard_Integer num)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
//szv#4:S4163:12Mar99 optimized
|
|
if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
|
|
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
|
|
Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
|
|
TopoDS_Edge E1 = myWire->Edge(n1);
|
|
TopoDS_Edge E2 = myWire->Edge(n2);
|
|
Standard_Real uf1,ul1,uf2,ul2;
|
|
Handle(Geom_Curve) C1,C2;
|
|
ShapeAnalysis_Edge SAE;
|
|
if (!SAE.Curve3d (E1,C1,uf1,ul1) || !SAE.Curve3d (E2,C2,uf2,ul2)) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
gp_Pnt p1 = C1->Value (ul1);
|
|
gp_Pnt p2 = C2->Value (uf2);
|
|
myMin3d = myMax3d = p1.Distance (p2);
|
|
if (myMin3d > myPrecision)
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return LastCheckStatus (ShapeExtend_DONE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckGap2d
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckGap2d(const Standard_Integer num)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
//szv#4:S4163:12Mar99 optimized
|
|
if ( !IsReady() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
|
|
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
|
|
Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
|
|
TopoDS_Edge E1 = myWire->Edge(n1);
|
|
TopoDS_Edge E2 = myWire->Edge(n2);
|
|
Standard_Real uf1,ul1,uf2,ul2;
|
|
Handle(Geom2d_Curve) C1,C2;
|
|
ShapeAnalysis_Edge SAE;
|
|
if (!SAE.PCurve (E1,myFace,C1,uf1,ul1) || !SAE.PCurve (E2,myFace,C2,uf2,ul2)) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
gp_Pnt2d p1 = C1->Value (ul1);
|
|
gp_Pnt2d p2 = C2->Value (uf2);
|
|
myMin2d = myMax2d = p1.Distance (p2);
|
|
GeomAdaptor_Surface& SA = mySurf->Adaptor3d()->ChangeSurface();
|
|
if (myMin2d > (Max (SA.UResolution (myPrecision), SA.VResolution (myPrecision)) + Precision::PConfusion()))
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return LastCheckStatus (ShapeExtend_DONE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckCurveGap
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckCurveGap(const Standard_Integer num)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False;
|
|
Standard_Integer n = ( num >0 ? num : NbEdges() );
|
|
TopoDS_Edge E = myWire->Edge(n);
|
|
Standard_Real cuf,cul,pcuf,pcul;
|
|
Handle(Geom_Curve) c;
|
|
ShapeAnalysis_Edge SAE;
|
|
if (!SAE.Curve3d (E,c,cuf,cul,Standard_False)) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
Handle(Geom2d_Curve) pc;
|
|
if (!SAE.PCurve (E,myFace,pc,pcuf,pcul,Standard_False)) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(pc,pcuf,pcul);
|
|
Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(mySurf->Surface());
|
|
Adaptor3d_CurveOnSurface ACS(AC,AS);
|
|
gp_Pnt cpnt, pcpnt;
|
|
Standard_Integer nbp = 45;
|
|
Standard_Real dist, maxdist=0.;
|
|
for (Standard_Integer i=0; i<nbp; i++) {
|
|
cpnt = c->Value(cuf + i*(cul-cuf)/(nbp-1));
|
|
pcpnt = ACS.Value(pcuf + i*(pcul-pcuf)/(nbp-1));
|
|
dist = cpnt.SquareDistance(pcpnt);
|
|
if (maxdist<dist) maxdist = dist;
|
|
}
|
|
myMin3d = myMax3d = Sqrt(maxdist);
|
|
if (myMin3d > myPrecision)
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return LastCheckStatus (ShapeExtend_DONE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSelfIntersectingEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
// auxiliary function
|
|
//:h0 abv 29 May 98: PRO10105 1949: like in BRepCheck, point is to be taken
|
|
// from 3d curve (but only if edge is SameParameter)
|
|
static gp_Pnt GetPointOnEdge ( const TopoDS_Edge &edge,
|
|
const Handle(ShapeAnalysis_Surface) &surf,
|
|
const Handle(Geom2d_Curve) &Crv2d,
|
|
const Standard_Real param )
|
|
{
|
|
if ( BRep_Tool::SameParameter ( edge ) ) {
|
|
Standard_Real f,l;
|
|
TopLoc_Location L;
|
|
const Handle(Geom_Curve) ConS = BRep_Tool::Curve ( edge, L, f, l );
|
|
if ( ! ConS.IsNull() )
|
|
return ConS->Value ( param ).Transformed ( L.Transformation() );
|
|
}
|
|
return surf->Value ( Crv2d->Value ( param ) );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSelfIntersectingEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num,
|
|
IntRes2d_SequenceOfIntersectionPoint& points2d,
|
|
TColgp_SequenceOfPnt& points3d)
|
|
{
|
|
points2d.Clear();
|
|
points3d.Clear();
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() ) return Standard_False;
|
|
|
|
TopoDS_Edge edge = WireData()->Edge ( num >0 ? num : NbEdges() );
|
|
ShapeAnalysis_Edge sae;
|
|
|
|
Standard_Real a, b;
|
|
Handle(Geom2d_Curve) Crv;
|
|
if ( ! sae.PCurve ( edge, myFace, Crv, a, b, Standard_False ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
if ( Abs ( a - b ) <= ::Precision::PConfusion() ) return Standard_False;
|
|
|
|
Standard_Real tolint = 1.0e-10;
|
|
//szv#4:S4163:12Mar99 warning
|
|
IntRes2d_Domain domain ( Crv->Value ( a ), a, tolint, Crv->Value ( b ), b, tolint );
|
|
Geom2dAdaptor_Curve AC ( Crv );
|
|
Geom2dInt_GInter Inter ( AC, domain, tolint, tolint );
|
|
|
|
if ( ! Inter.IsDone() ) return Standard_False;
|
|
|
|
TopoDS_Vertex V1 = sae.FirstVertex ( edge );
|
|
TopoDS_Vertex V2 = sae.LastVertex ( edge );
|
|
if ( V1.IsNull() || V2.IsNull() ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
Standard_Real tol1 = BRep_Tool::Tolerance ( V1 );
|
|
Standard_Real tol2 = BRep_Tool::Tolerance ( V2 );
|
|
|
|
gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 );
|
|
gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 );
|
|
|
|
for ( Standard_Integer i=1; i <= Inter.NbPoints(); i++ ) {
|
|
const IntRes2d_IntersectionPoint &IP = Inter.Point ( i );
|
|
const IntRes2d_Transition &Tr1 = IP.TransitionOfFirst();
|
|
const IntRes2d_Transition &Tr2 = IP.TransitionOfSecond();
|
|
if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
|
|
Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
|
|
gp_Pnt pint = GetPointOnEdge ( edge, mySurf, Crv, IP.ParamOnFirst() );
|
|
Standard_Real dist21 = pnt1.SquareDistance ( pint );
|
|
Standard_Real dist22 = pnt2.SquareDistance ( pint );
|
|
if ( dist21 > tol1 * tol1 && dist22 > tol2 * tol2 ) {
|
|
points2d.Append ( IP );
|
|
points3d.Append ( pint );
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
}
|
|
}
|
|
|
|
return LastCheckStatus ( ShapeExtend_DONE );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSelfIntersectingEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num)
|
|
{
|
|
IntRes2d_SequenceOfIntersectionPoint points2d;
|
|
TColgp_SequenceOfPnt points3d;
|
|
return CheckSelfIntersectingEdge ( num, points2d, points3d );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckIntersectingEdges
|
|
//purpose : Test if two consequent edges are intersecting
|
|
// It is made in accordance with the following check in BRepCheck:
|
|
// - in BRepCheck_Wire::Orientation(), test for self-intersection
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num,
|
|
IntRes2d_SequenceOfIntersectionPoint& points2d,
|
|
TColgp_SequenceOfPnt& points3d,
|
|
TColStd_SequenceOfReal& errors)
|
|
{
|
|
points2d.Clear();
|
|
points3d.Clear();
|
|
errors.Clear();
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() || NbEdges() <2 ) return Standard_False;
|
|
|
|
//szv#4:S4163:12Mar99 optimized
|
|
Standard_Integer n2 = (num > 0)? num : NbEdges();
|
|
Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
|
|
TopoDS_Edge edge1 = myWire->Edge ( n1 );
|
|
TopoDS_Edge edge2 = myWire->Edge ( n2 );
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
TopoDS_Vertex V1 = sae.LastVertex ( edge1 );
|
|
TopoDS_Vertex V2 = sae.FirstVertex ( edge2 );
|
|
if ( V1.IsNull() || V2.IsNull() ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
if ( ! BRepTools::Compare ( V1, V2 ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
TopoDS_Vertex Vp = sae.FirstVertex ( edge1 );
|
|
TopoDS_Vertex Vn = sae.LastVertex ( edge2 );
|
|
|
|
Standard_Real a1, b1, a2, b2;
|
|
Handle(Geom2d_Curve) Crv1, Crv2;
|
|
if ( ! sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
if ( ! sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
|
|
Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False; //:f7 abv 6 May 98: BUC50070 on #42276
|
|
|
|
Standard_Boolean isForward1 = ( edge1.Orientation() == TopAbs_FORWARD );
|
|
Standard_Boolean isForward2 = ( edge2.Orientation() == TopAbs_FORWARD );
|
|
|
|
Standard_Real tol0 = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
|
|
Standard_Real tol = tol0;
|
|
|
|
gp_Pnt pnt = BRep_Tool::Pnt ( V1 );
|
|
|
|
// Standard_Boolean Status = Standard_False;
|
|
|
|
Standard_Real tolint = 1.0e-10;
|
|
|
|
//szv#4:S4163:12Mar99 warning
|
|
IntRes2d_Domain d1 ( Crv1->Value ( a1 ), a1, tolint,
|
|
Crv1->Value ( b1 ), b1, tolint );
|
|
IntRes2d_Domain d2 ( Crv2->Value ( a2 ), a2, tolint,
|
|
Crv2->Value ( b2 ), b2, tolint );
|
|
Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
|
|
|
|
//:64 abv 25 Dec 97: Attention!
|
|
// Since Intersection algorithm is not symmetrical, for consistency with BRepCheck
|
|
// edge with lower order number shoud be intersecting with edge with higher one
|
|
// i.e., for intersection of last and first edges, they should go in reversed order
|
|
// Example: entity #38285 from bug CSR #CTS17806
|
|
// NOTE: Tr1 and Tr2 are not reordered because they are used in the same manner
|
|
Geom2dInt_GInter Inter;
|
|
if ( num ==1 ) Inter.Perform ( C2, d2, C1, d1, tolint, tolint );
|
|
else Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
|
|
if ( ! Inter.IsDone() ) return Standard_False;
|
|
|
|
//:86 abv 22 Jan 98: fix self-intersection even if tolerance of vertex is enough
|
|
// to annihilate it. This is done to prevent wrong effects if vertex tolerance
|
|
// will be decreased (e.g., in FixLacking)
|
|
Standard_Real tole = Max ( ( BRep_Tool::SameParameter ( edge1 ) ?
|
|
BRep_Tool::Tolerance ( edge1 ) : tol0 ),
|
|
( BRep_Tool::SameParameter ( edge2 ) ?
|
|
BRep_Tool::Tolerance ( edge2 ) : tol0 ) );
|
|
Standard_Real tolt = Min ( tol, Max ( tole, myPrecision ) );
|
|
//Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); //SK
|
|
Standard_Integer isLacking = -1; //:l0 abv: CATIA01 #1727: protect against adding lacking
|
|
//#83 rln 19.03.99 sim2.igs, entity 4292
|
|
//processing also segments as in BRepCheck
|
|
Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
|
|
for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
|
|
IntRes2d_IntersectionPoint IP;
|
|
IntRes2d_Transition Tr1, Tr2;
|
|
if (i <= NbPoints)
|
|
IP = Inter.Point ( i );
|
|
else {
|
|
const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
|
|
if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
|
|
IP = Seg.FirstPoint();
|
|
Tr1 = IP.TransitionOfFirst();
|
|
Tr2 = IP.TransitionOfSecond();
|
|
if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
|
|
IP = Seg.LastPoint();
|
|
}
|
|
Tr1 = IP.TransitionOfFirst();
|
|
Tr2 = IP.TransitionOfSecond();
|
|
|
|
if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
|
|
Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
|
|
Standard_Real param1, param2;
|
|
param1 = ( num ==1 ? IP.ParamOnSecond() : IP.ParamOnFirst() );
|
|
param2 = ( num ==1 ? IP.ParamOnFirst() : IP.ParamOnSecond() );
|
|
|
|
//:r6 abv 8 Apr 99: r_47-sd.stp #173850: protect against working out of curve range
|
|
if ( a1-param1 > ::Precision::PConfusion() ||
|
|
param1-b1 > ::Precision::PConfusion() ||
|
|
a2-param2 > ::Precision::PConfusion() ||
|
|
param2-b2 > ::Precision::PConfusion() ) continue;
|
|
|
|
//:82 abv 21 Jan 98: point of intersection on Crv1 and Crv2 is different
|
|
gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, Crv1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
|
|
gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, Crv2, param2 ); //:h0: thesurf.Value ( Crv2->Value ( param2 ) );
|
|
gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
|
|
Standard_Real di1 = pi1.SquareDistance ( pnt );
|
|
Standard_Real di2 = pi2.SquareDistance ( pnt );
|
|
Standard_Real dist2 = Max ( di1, di2 );
|
|
|
|
//rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge)
|
|
if ( isLacking <0 ) { //:l0
|
|
gp_Pnt2d end1 = Crv1->Value ( isForward1 ? b1 : a1 );
|
|
gp_Pnt2d end2 = Crv2->Value ( isForward2 ? a2 : b2 );
|
|
//:l0 Standard_Real distab2 = mySurf->Value ( end1 ).SquareDistance ( mySurf->Value ( end2 ) );
|
|
//:l0: test like in BRepCheck
|
|
GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
|
|
Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
|
|
isLacking = ( end1.SquareDistance(end2) >= tol2d * tol2d );
|
|
}
|
|
|
|
if ( ( dist2 > tolt * tolt || //:86: tol -> tolt
|
|
isLacking ) && //:l0
|
|
//:l0 distab2 > BRep_Tool::Tolerance ( edge1 ) + BRep_Tool::Tolerance ( edge2 ) ) && //rln
|
|
( ! BRepTools::Compare ( Vp, Vn ) || //:63
|
|
dist2 < pint.SquareDistance ( BRep_Tool::Pnt ( Vp ) ) ) ) { //:63
|
|
points2d.Append ( IP );
|
|
points3d.Append ( pint );
|
|
errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
}
|
|
}
|
|
|
|
return LastCheckStatus ( ShapeExtend_DONE );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckIntersectingEdges
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num)
|
|
{
|
|
IntRes2d_SequenceOfIntersectionPoint points2d;
|
|
TColgp_SequenceOfPnt points3d;
|
|
TColStd_SequenceOfReal errors;
|
|
return CheckIntersectingEdges ( num, points2d, points3d, errors );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckIntersectingEdges
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges(const Standard_Integer num1,
|
|
const Standard_Integer num2,
|
|
IntRes2d_SequenceOfIntersectionPoint& points2d,
|
|
TColgp_SequenceOfPnt& points3d,
|
|
TColStd_SequenceOfReal& errors)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() ) return Standard_False;
|
|
Handle(ShapeExtend_WireData) sbwd = WireData();
|
|
Standard_Integer n2 = ( num2 >0 ? num2 : sbwd->NbEdges() );
|
|
Standard_Integer n1 = ( num1 >0 ? num1 : sbwd->NbEdges() );
|
|
|
|
TopoDS_Edge edge1 = sbwd->Edge ( n1 );
|
|
TopoDS_Edge edge2 = sbwd->Edge ( n2 );
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
Standard_Real a1, b1, a2, b2;
|
|
Handle(Geom2d_Curve) Crv1, Crv2;
|
|
if(!sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False )){
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
|
|
if(!sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False )){
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
|
|
if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
|
|
Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False;
|
|
|
|
points2d.Clear();
|
|
points3d.Clear();
|
|
errors.Clear();
|
|
TColgp_Array1OfPnt vertexPoints(1,4);
|
|
TColStd_Array1OfReal vertexTolers(1,4);
|
|
vertexPoints(1) = BRep_Tool::Pnt(sae.FirstVertex(edge1));
|
|
vertexTolers(1) = BRep_Tool::Tolerance(sae.FirstVertex(edge1));
|
|
vertexPoints(2) = BRep_Tool::Pnt(sae.LastVertex(edge1));
|
|
vertexTolers(2) = BRep_Tool::Tolerance(sae.LastVertex(edge1));
|
|
vertexPoints(3) = BRep_Tool::Pnt(sae.FirstVertex(edge2));
|
|
vertexTolers(3) = BRep_Tool::Tolerance(sae.FirstVertex(edge2));
|
|
vertexPoints(4) = BRep_Tool::Pnt(sae.LastVertex(edge2));
|
|
vertexTolers(4) = BRep_Tool::Tolerance(sae.LastVertex(edge2));
|
|
|
|
Standard_Real tolint = 1.0e-10;
|
|
|
|
IntRes2d_Domain d1 ( Crv1->Value ( a1 ), a1, tolint,
|
|
Crv1->Value ( b1 ), b1, tolint );
|
|
IntRes2d_Domain d2 ( Crv2->Value ( a2 ), a2, tolint,
|
|
Crv2->Value ( b2 ), b2, tolint );
|
|
Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
|
|
|
|
Geom2dInt_GInter Inter;
|
|
Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
|
|
if ( ! Inter.IsDone() ) return Standard_False;
|
|
|
|
//#83 rln 19.03.99 sim2.igs, entity 4292
|
|
//processing also segments as in BRepCheck
|
|
Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
|
|
for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
|
|
IntRes2d_IntersectionPoint IP;
|
|
IntRes2d_Transition Tr1, Tr2;
|
|
if (i <= NbPoints)
|
|
IP = Inter.Point ( i );
|
|
else {
|
|
const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
|
|
if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
|
|
IP = Seg.FirstPoint();
|
|
Tr1 = IP.TransitionOfFirst();
|
|
Tr2 = IP.TransitionOfSecond();
|
|
if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
|
|
IP = Seg.LastPoint();
|
|
}
|
|
Tr1 = IP.TransitionOfFirst();
|
|
Tr2 = IP.TransitionOfSecond();
|
|
if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
|
|
Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
|
|
Standard_Real param1 = IP.ParamOnFirst();
|
|
Standard_Real param2 = IP.ParamOnSecond();
|
|
gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, Crv1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
|
|
gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, Crv2, param2 );
|
|
Standard_Boolean OK = Standard_False;
|
|
for(Standard_Integer j=1; (j<=4)&&!OK; j++) {
|
|
Standard_Real di1 = pi1.SquareDistance (vertexPoints(j));
|
|
Standard_Real di2 = pi2.SquareDistance (vertexPoints(j));
|
|
Standard_Real dist2 = Max ( di1, di2 );
|
|
if(dist2 < vertexTolers(j) * vertexTolers(j))
|
|
OK = Standard_True;
|
|
}
|
|
if(!OK) {
|
|
gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
|
|
points2d.Append ( IP );
|
|
points3d.Append ( pint );
|
|
errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
}
|
|
}
|
|
return LastCheckStatus ( ShapeExtend_DONE );
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckIntersectingEdges
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num1,
|
|
const Standard_Integer num2)
|
|
{
|
|
IntRes2d_SequenceOfIntersectionPoint points2d;
|
|
TColgp_SequenceOfPnt points3d;
|
|
TColStd_SequenceOfReal errors;
|
|
return CheckIntersectingEdges(num1, num2, points2d, points3d, errors);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckLacking
|
|
//purpose : Test if two edges are disconnected in 2d according to the
|
|
// Adaptor_Surface::Resolution
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
|
|
const Standard_Real Tolerance,
|
|
gp_Pnt2d &p2d1, gp_Pnt2d &p2d2)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() ) return Standard_False;
|
|
|
|
//szv#4:S4163:12Mar99 optimized
|
|
Standard_Integer n2 = (num > 0)? num : NbEdges();
|
|
Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
|
|
TopoDS_Edge E1 = myWire->Edge ( n1 );
|
|
TopoDS_Edge E2 = myWire->Edge ( n2 );
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
TopoDS_Vertex V1 = sae.LastVertex ( E1 );
|
|
TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
|
|
// CKY 4 MAR 1998 : protection against null vertex
|
|
if ( V1.IsNull() || V2.IsNull() ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
if ( ! BRepTools::Compare ( V1, V2 ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
Standard_Real a, b;
|
|
gp_Vec2d v1, v2, v12;
|
|
Handle(Geom2d_Curve) c2d;
|
|
if ( ! sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
c2d->D1 ( b, p2d1, v1 );
|
|
if ( E1.Orientation() == TopAbs_REVERSED ) v1.Reverse();
|
|
if ( ! sae.PCurve ( E2, myFace, c2d, a, b, Standard_True ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
c2d->D1 ( a, p2d2, v2 );
|
|
if ( E2.Orientation() == TopAbs_REVERSED ) v2.Reverse();
|
|
v12 = p2d2.XY() - p2d1.XY();
|
|
myMax2d = v12.SquareMagnitude();
|
|
|
|
// test like in BRepCheck
|
|
Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
|
|
tol = ( Tolerance > gp::Resolution() && Tolerance < tol ? Tolerance : tol );
|
|
GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
|
|
Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
|
|
if ( // tol2d < gp::Resolution() || //#2 smh 26.03.99 S4163 Zero divide
|
|
myMax2d < tol2d * tol2d ) return Standard_False;
|
|
|
|
myMax2d = Sqrt ( myMax2d );
|
|
myMax3d = tol * myMax2d / Max ( tol2d, gp::Resolution() );
|
|
myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
|
|
|
|
if ( myMax2d < Precision::PConfusion() || //:abv 03.06.02 CTS21866.stp
|
|
( v1.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v1 ) ) > 0.9 * M_PI ) ||
|
|
( v2.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v2 ) ) > 0.9 * M_PI ) )
|
|
myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckLacking
|
|
//purpose :
|
|
//
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
|
|
const Standard_Real Tolerance)
|
|
{
|
|
gp_Pnt2d p1, p2;
|
|
return CheckLacking (num, Tolerance, p1, p2);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckOuterBound
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckOuterBound(const Standard_Boolean APIMake)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() ) return Standard_False;
|
|
|
|
TopoDS_Wire wire;
|
|
if (APIMake) wire = myWire->WireAPIMake();
|
|
else wire = myWire->Wire();
|
|
|
|
TopoDS_Shape sh = myFace.EmptyCopied(); //szv#4:S4163:12Mar99 SGI warns
|
|
TopoDS_Face face = TopoDS::Face(sh);
|
|
BRep_Builder B;
|
|
B.Add (face, wire);
|
|
if (ShapeAnalysis::IsOuterBound (face)) return Standard_False;
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckNotchedEdges
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
static Standard_Real ProjectInside(const Adaptor3d_CurveOnSurface AD,
|
|
const gp_Pnt pnt,
|
|
const Standard_Real preci,
|
|
gp_Pnt& proj,
|
|
Standard_Real& param,
|
|
const Standard_Boolean adjustToEnds = Standard_True)
|
|
{
|
|
ShapeAnalysis_Curve sac;
|
|
Standard_Real dist = sac.Project(AD,pnt,preci,proj,param,adjustToEnds);
|
|
Standard_Real uFirst = AD.FirstParameter();
|
|
Standard_Real uLast = AD.LastParameter();
|
|
if(param<uFirst) {
|
|
param = uFirst;
|
|
proj = AD.Value(uFirst);
|
|
return proj.Distance(pnt);
|
|
}
|
|
|
|
if(param>uLast) {
|
|
param = uLast;
|
|
proj = AD.Value(uLast);
|
|
return proj.Distance(pnt);
|
|
}
|
|
return dist;
|
|
}
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckNotchedEdges(const Standard_Integer num,
|
|
Standard_Integer& shortNum,
|
|
Standard_Real& param,
|
|
const Standard_Real Tolerance)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
if ( ! IsReady() ) return Standard_False;
|
|
|
|
Standard_Integer n2 = (num > 0)? num : NbEdges();
|
|
Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
|
|
TopoDS_Edge E1 = myWire->Edge ( n1 );
|
|
TopoDS_Edge E2 = myWire->Edge ( n2 );
|
|
|
|
if(BRep_Tool::Degenerated(E1)||BRep_Tool::Degenerated(E2))
|
|
return Standard_False;
|
|
|
|
ShapeAnalysis_Edge sae;
|
|
TopoDS_Vertex V1 = sae.LastVertex ( E1 );
|
|
TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
|
|
|
|
if ( V1.IsNull() || V2.IsNull() ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
return Standard_False;
|
|
}
|
|
if ( ! BRepTools::Compare ( V1, V2 ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
Standard_Real a1, b1, a2, b2;
|
|
gp_Pnt2d p2d1, p2d2;
|
|
gp_Vec2d v1, v2;
|
|
Handle(Geom2d_Curve) c2d1, c2d2;
|
|
if ( ! sae.PCurve ( E1, myFace, c2d1, a1, b1, Standard_False ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
|
|
if(E1.Orientation()==TopAbs_REVERSED)
|
|
c2d1->D1 ( a1, p2d1, v1 );
|
|
else {
|
|
c2d1->D1 ( b1, p2d1, v1 );
|
|
v1.Reverse();
|
|
}
|
|
|
|
if ( ! sae.PCurve ( E2, myFace, c2d2, a2, b2, Standard_False ) ) {
|
|
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
|
|
return Standard_False;
|
|
}
|
|
if(E2.Orientation()==TopAbs_REVERSED) {
|
|
c2d2->D1 ( b2, p2d2, v2 );
|
|
v2.Reverse();
|
|
}
|
|
else
|
|
c2d2->D1 ( a2, p2d2, v2 );
|
|
|
|
if ( v2.Magnitude() < gp::Resolution() || v1.Magnitude() < gp::Resolution())
|
|
return Standard_False;
|
|
|
|
if ( Abs ( v2.Angle ( v1 ) ) > 0.1 || p2d1.Distance(p2d2) > Tolerance)
|
|
return Standard_False;
|
|
|
|
Handle(Geom2dAdaptor_HCurve) AC2d1 = new Geom2dAdaptor_HCurve(c2d1,a1,b1);
|
|
Handle(GeomAdaptor_HSurface) AdS1 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
|
|
Adaptor3d_CurveOnSurface Ad1(AC2d1,AdS1);
|
|
|
|
Handle(Geom2dAdaptor_HCurve) AC2d2 = new Geom2dAdaptor_HCurve(c2d2,a2,b2);
|
|
Handle(GeomAdaptor_HSurface) AdS2 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
|
|
Adaptor3d_CurveOnSurface Ad2(AC2d2,AdS2);
|
|
|
|
Adaptor3d_CurveOnSurface longAD, shortAD;
|
|
Standard_Real lenP, firstP;
|
|
|
|
ShapeAnalysis_Curve sac;
|
|
|
|
gp_Pnt Proj1, Proj2;
|
|
Standard_Real param1 = 0., param2 = 0.;
|
|
p2d2=c2d2->Value(E2.Orientation()==TopAbs_FORWARD ? b2 : a2);
|
|
p2d1=c2d1->Value(E1.Orientation()==TopAbs_FORWARD ? a1 : b1);
|
|
Standard_Real dist1 = ProjectInside(Ad1,gp_Pnt(p2d2.X(),p2d2.Y(),0),Tolerance,Proj1,param1,Standard_False);
|
|
Standard_Real dist2 = ProjectInside(Ad2,gp_Pnt(p2d1.X(),p2d1.Y(),0),Tolerance,Proj2,param2,Standard_False);
|
|
|
|
if ( dist1 > Tolerance && dist2 > Tolerance)
|
|
return Standard_False;
|
|
|
|
if (dist1 < dist2 ) {
|
|
shortAD = Ad2;
|
|
longAD = Ad1;
|
|
lenP = b2 - a2;
|
|
firstP = a2;
|
|
shortNum=n2;
|
|
param=param1;
|
|
|
|
}
|
|
else {
|
|
shortAD = Ad1;
|
|
longAD = Ad2;
|
|
lenP = b1 - a1;
|
|
firstP = a1;
|
|
shortNum=n1;
|
|
param=param2;
|
|
}
|
|
|
|
Standard_Real step = lenP/23;
|
|
for (Standard_Integer i = 1; i < 23; i++,firstP+=step) {
|
|
Standard_Real d1 = sac.Project(longAD,shortAD.Value(firstP),Tolerance,Proj1,param1);
|
|
if (d1 > Tolerance) {
|
|
return Standard_False;
|
|
}
|
|
}
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSmallArea
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckSmallArea(const Standard_Real prec2d)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
Standard_Integer NbEdges = myWire->NbEdges();
|
|
if ( !IsReady() || NbEdges <1 ) return Standard_False;
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
|
|
|
|
Standard_Integer NbControl=23;
|
|
Standard_Real area=0;
|
|
gp_XY prev, cont;
|
|
for (Standard_Integer nbe = 1; nbe <= NbEdges; nbe++) {
|
|
Standard_Real First, Last;
|
|
Handle(Geom2d_Curve) c2d;
|
|
ShapeAnalysis_Edge sae;
|
|
if (!sae.PCurve(myWire->Edge(nbe),myFace,c2d,First,Last)) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return Standard_False;
|
|
}
|
|
|
|
Standard_Integer ibeg = 0;
|
|
if( nbe == 1 ) {
|
|
gp_Pnt2d pntIni = c2d->Value(First);
|
|
prev = pntIni.XY();
|
|
cont = prev;
|
|
ibeg = 1;
|
|
}
|
|
for ( Standard_Integer i = ibeg; i < NbControl; i++) {
|
|
Standard_Real prm = ((NbControl-1-i)*First + i*Last)/(NbControl-1);
|
|
gp_Pnt2d pntCurr = c2d->Value(prm);
|
|
gp_XY curr = pntCurr.XY();
|
|
area += curr ^ prev;
|
|
prev = curr;
|
|
}
|
|
}
|
|
area += cont ^ prev;
|
|
if ( Abs(area) < 2*prec2d*prec2d ) {
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
return Standard_True;
|
|
}
|
|
return Standard_False;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckShapeConnect
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(const TopoDS_Shape& shape,const Standard_Real prec)
|
|
{
|
|
Standard_Real tailhead, tailtail, headhead, headtail;
|
|
return CheckShapeConnect (tailhead, tailtail, headtail, headhead, shape, prec);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckShapeConnect
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(Standard_Real& tailhead, Standard_Real& tailtail,
|
|
Standard_Real& headtail, Standard_Real& headhead,
|
|
const TopoDS_Shape& shape, const Standard_Real prec)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
|
|
if (!IsLoaded () || shape.IsNull()) return Standard_False;
|
|
TopoDS_Vertex V1,V2;
|
|
TopoDS_Edge E; TopoDS_Wire W;
|
|
ShapeAnalysis_Edge SAE;
|
|
if (shape.ShapeType() == TopAbs_EDGE) {
|
|
E = TopoDS::Edge (shape);
|
|
V1 = SAE.FirstVertex (E); V2 = SAE.LastVertex (E);
|
|
} else if (shape.ShapeType() == TopAbs_WIRE) {
|
|
W = TopoDS::Wire (shape);
|
|
ShapeAnalysis::FindBounds (W,V1,V2);
|
|
}
|
|
else return Standard_False;
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
// on va comparer les points avec ceux de thevfirst et thevlast
|
|
gp_Pnt p1 = BRep_Tool::Pnt(V1);
|
|
gp_Pnt p2 = BRep_Tool::Pnt(V2);
|
|
|
|
TopoDS_Vertex vfirst = SAE.FirstVertex (myWire->Edge (1)),
|
|
vlast = SAE.LastVertex (myWire->Edge (NbEdges()));
|
|
gp_Pnt pf = BRep_Tool::Pnt(vfirst);
|
|
gp_Pnt pl = BRep_Tool::Pnt(vlast);
|
|
|
|
tailhead = p1.Distance(pl);
|
|
tailtail = p2.Distance(pl);
|
|
headhead = p1.Distance(pf);
|
|
headtail = p2.Distance(pf);
|
|
Standard_Real dm1 = tailhead, dm2 = headtail;
|
|
Standard_Integer res1 = 0, res2 = 0;
|
|
|
|
if (tailhead > tailtail) {res1 = 1; dm1 = tailtail;}
|
|
if (headtail > headhead) {res2 = 1; dm2 = headhead;}
|
|
Standard_Integer result = res1;
|
|
myMin3d = Min (dm1, dm2);
|
|
myMax3d = Max (dm1, dm2);
|
|
if (dm1 > dm2) {dm1 = dm2; result = res2 + 2;}
|
|
switch (result) {
|
|
case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
|
|
case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
|
|
case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
|
|
}
|
|
if (!res1) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
|
|
if (!res2) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
|
|
|
|
if (myMin3d > Max (myPrecision, prec))
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
|
|
return LastCheckStatus (ShapeExtend_DONE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckLoop
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean isMultiVertex(const TopTools_ListOfShape& alshape,
|
|
const TopTools_MapOfShape& aMapSmallEdges,
|
|
const TopTools_MapOfShape& aMapSeemEdges)
|
|
{
|
|
TopTools_ListIteratorOfListOfShape lIt1(alshape);
|
|
Standard_Integer nbNotAccount =0;
|
|
|
|
for( ; lIt1.More() ; lIt1.Next())
|
|
{
|
|
if(aMapSmallEdges.Contains(lIt1.Value()))
|
|
nbNotAccount++;
|
|
else if(aMapSeemEdges.Contains(lIt1.Value()))
|
|
nbNotAccount++;
|
|
}
|
|
return ((alshape.Extent() -nbNotAccount) >2);
|
|
}
|
|
Standard_Boolean ShapeAnalysis_Wire::CheckLoop(TopTools_IndexedMapOfShape& aMapLoopVertices,
|
|
TopTools_DataMapOfShapeListOfShape& aMapVertexEdges,
|
|
TopTools_MapOfShape& aMapSmallEdges,
|
|
TopTools_MapOfShape& aMapSeemEdges)
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
|
|
if (!IsLoaded() || NbEdges() < 2) return Standard_False;
|
|
Standard_Real aSavPreci = Precision();
|
|
SetPrecision(Precision::Infinite());
|
|
Standard_Integer i =1;
|
|
|
|
for( ; i <= myWire->NbEdges(); i++) {
|
|
TopoDS_Edge aedge = myWire->Edge(i);
|
|
TopoDS_Vertex aV1,aV2;
|
|
TopExp::Vertices(aedge,aV1,aV2);
|
|
Standard_Boolean isSame = aV1.IsSame(aV2);
|
|
if(myWire->IsSeam(i))
|
|
aMapSeemEdges.Add(aedge); ///continue;
|
|
else if(BRep_Tool::Degenerated(aedge))
|
|
aMapSmallEdges.Add(aedge);
|
|
else if(isSame && CheckSmall(i,BRep_Tool::Tolerance(aV1)))
|
|
aMapSmallEdges.Add(aedge);
|
|
|
|
if(!aMapVertexEdges.IsBound(aV1)) {
|
|
TopTools_ListOfShape alshape;
|
|
aMapVertexEdges.Bind(aV1,alshape);
|
|
}
|
|
if(!aMapVertexEdges.IsBound(aV2)) {
|
|
TopTools_ListOfShape alshape;
|
|
aMapVertexEdges.Bind(aV2,alshape);
|
|
}
|
|
if(isSame)
|
|
{
|
|
TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
|
|
alshape.Append(aedge);
|
|
alshape.Append(aedge);
|
|
if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
|
|
aMapLoopVertices.Add(aV1);
|
|
}
|
|
else {
|
|
TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
|
|
alshape.Append(aedge);
|
|
if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
|
|
aMapLoopVertices.Add(aV1);
|
|
TopTools_ListOfShape& alshape2 = aMapVertexEdges.ChangeFind(aV2);
|
|
alshape2.Append(aedge);
|
|
if(alshape2.Extent() >2 && isMultiVertex( alshape2,aMapSmallEdges,aMapSeemEdges))
|
|
aMapLoopVertices.Add(aV2);
|
|
}
|
|
}
|
|
SetPrecision(aSavPreci);
|
|
if(aMapLoopVertices.Extent())
|
|
{
|
|
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
|
|
myStatusLoop |= myStatus;
|
|
return Standard_True;
|
|
}
|
|
return Standard_False;
|
|
}
|