BRepMesh_Classifier: Two-pass approach for intersection check with possibility to run it in parallel mode.
First pass - bounding boxes of segments are checked for overlapping;
Second pass - intersection point is calculated in case if overlapping is detected.
Make NCollection_UBTree::ChangeLastNode() exported due to compilation error on Linux platform.
Reason: method does not depend on template parameters, so it should be available.
Revert previous change and try to use another trick for Linux
Fix compilation warning on MacOS: remove redundant constant
Fix regressions: do not consider insignificant loops in case of self intersections on the same wire.
More sugar solution for compilation errors on NCollection_EBTree on Linux
Test cases for issue CR24968
imported VertexInspector from BRepMesh;
imported VertexCellFilter from BRepMesh;
imported VectorOfVertex from BRepMesh;
+ imported WireInterferenceChecker from BRepMesh;
imported EdgeChecker from BRepMesh;
imported FaceChecker from BRepMesh;
class IndexedMapOfVertex instantiates IndexedMap from TCollection
(Vertex from BRepMesh, VertexHasher from BRepMesh);
-
- class BiPoint;
-
- class Array1OfBiPoint instantiates Array1 from TCollection(BiPoint from BRepMesh);
-
private class FastDiscretFace;
class FastDiscret;
FaceAttribute from BRepMesh,
ShapeMapHasher from TopTools);
- private class Classifier;
+ imported Classifier from BRepMesh;
imported ClassifierPtr; -- smart pointer on Classifier
+ imported WireChecker from BRepMesh;
imported IncrementalMesh from BRepMesh;
+++ /dev/null
--- Created on: 1997-09-18
--- Created by: Christophe MARION
--- Copyright (c) 1997-1999 Matra Datavision
--- Copyright (c) 1999-2014 OPEN CASCADE SAS
---
--- This file is part of Open CASCADE Technology software library.
---
--- This library is free software; you can redistribute it and/or modify it under
--- the terms of the GNU Lesser General Public License version 2.1 as published
--- by the Free Software Foundation, with special exception defined in the file
--- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
--- distribution for complete text of the license and disclaimer of any warranty.
---
--- Alternatively, this file may be used under the terms of Open CASCADE
--- commercial license or contractual agreement.
-
-class BiPoint from BRepMesh
-
-uses
- Address from Standard,
- Real from Standard,
- Integer from Standard
-
-is
- Create
- returns BiPoint from BRepMesh;
- ---C++: inline
-
- Create(X1,Y1,X2,Y2 : Real from Standard)
- returns BiPoint from BRepMesh;
-
- Indices(me) returns Address from Standard
- ---C++: inline
- is static;
-
- Coordinates(me) returns Address from Standard
- ---C++: inline
- is static;
-
-fields
- myIndices : Integer from Standard[2];
- myCoordinates : Real from Standard[6];
-
-end BiPoint;
+++ /dev/null
-// Created on: 1997-09-18
-// Created by: Christophe MARION
-// Copyright (c) 1997-1999 Matra Datavision
-// Copyright (c) 1999-2014 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-//#define No_Exception
-
-#include <BRepMesh_BiPoint.ixx>
-
-#define PntX1 myCoordinates[0]
-#define PntY1 myCoordinates[1]
-#define PntX2 myCoordinates[2]
-#define PntY2 myCoordinates[3]
-#define VectX myCoordinates[4]
-#define VectY myCoordinates[5]
-
-#define MinSg myIndices[0]
-#define MaxSg myIndices[1]
-
-//=======================================================================
-//function : BRepMesh_BiPoint
-//purpose :
-//=======================================================================
-
-BRepMesh_BiPoint::BRepMesh_BiPoint (const Standard_Real X1,
- const Standard_Real Y1,
- const Standard_Real X2,
- const Standard_Real Y2)
-{
- PntX1 = X1;
- PntY1 = Y1;
- PntX2 = X2;
- PntY2 = Y2;
-}
-
+++ /dev/null
-// Created on: 1997-09-18
-// Created by: Christophe MARION
-// Copyright (c) 1997-1999 Matra Datavision
-// Copyright (c) 1999-2014 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-//=======================================================================
-//function : BRepMesh_BiPoint
-//purpose :
-//=======================================================================
-
-inline BRepMesh_BiPoint::BRepMesh_BiPoint ()
-{
-}
-
-//=======================================================================
-//function : Indices
-//purpose :
-//=======================================================================
-
-inline Standard_Address BRepMesh_BiPoint::Indices () const
-{ return (Standard_Address)myIndices; }
-
-//=======================================================================
-//function : Coordinates
-//purpose :
-//=======================================================================
-
-inline Standard_Address BRepMesh_BiPoint::Coordinates () const
-{ return (Standard_Address)myCoordinates; }
-
+++ /dev/null
--- Created on: 1997-06-26
--- Created by: Laurent PAINNOT
--- Copyright (c) 1997-1999 Matra Datavision
--- Copyright (c) 1999-2014 OPEN CASCADE SAS
---
--- This file is part of Open CASCADE Technology software library.
---
--- This library is free software; you can redistribute it and/or modify it under
--- the terms of the GNU Lesser General Public License version 2.1 as published
--- by the Free Software Foundation, with special exception defined in the file
--- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
--- distribution for complete text of the license and disclaimer of any warranty.
---
--- Alternatively, this file may be used under the terms of Open CASCADE
--- commercial license or contractual agreement.
-
-private class Classifier from BRepMesh
-
-
-
-uses
- Pnt2d from gp,
- SequenceOfPnt2d from TColgp,
- Face from TopoDS,
- State from TopAbs,
- SequenceOfInteger from TColStd,
- SeqOfPtr from BRepTopAdaptor,
- DataMapOfShapePairOfPolygon from BRepMesh,
- IndexedMapOfInteger from TColStd,
- IndexedMapOfVertex from BRepMesh,
- Status from BRepMesh,
- DataStructureOfDelaun from BRepMesh
-
-is
-
- Create (theFace : Face from TopoDS;
- theTolUV : Real from Standard;
- theEdges : DataMapOfShapePairOfPolygon from BRepMesh;
- theMap : IndexedMapOfInteger from TColStd;
- theStructure : DataStructureOfDelaun from BRepMesh;
- theUmin, theUmax, theVmin, theVmax : Real from Standard)
- returns Classifier from BRepMesh;
-
-
- Perform(me; thePoint: Pnt2d from gp)
- returns State from TopAbs;
-
-
- State (me)
- returns Status from BRepMesh;
- ---C++: inline
-
-
- Destroy(me: in out);
- ---C++: alias ~
-
-
- AnalizeWire (me : in out;
- theSeqPnt2d : in SequenceOfPnt2d from TColgp;
- theUmin, theUmax, theVmin, theVmax: in Real from Standard)
- is private;
- -- Private method called from constructor after some (piece of) wire
- -- has been explored and put into <theSeqPnt2d>.
- -- Here it is triangulated if it is a hole and anyway added to the bulk.
-
-fields
-
- myTabClass : SeqOfPtr from BRepTopAdaptor;
- myTabOrient : SequenceOfInteger from TColStd;
- myTolUV : Real from Standard;
- myFace : Face from TopoDS;
- myState : Status from BRepMesh;
-
-end Classifier from BRepMesh;
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#include <BRepMesh_Classifier.ixx>
+#include <BRepMesh_Classifier.hxx>
-// Kernel
#include <Precision.hxx>
-#include <Standard_ErrorHandler.hxx>
-#include <TColStd_ListOfTransient.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-#include <TColStd_DataMapOfIntegerInteger.hxx>
-#include <ElCLib.hxx>
-// Geometry
-#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
-#include <TColgp_SequenceOfPnt2d.hxx>
-#include <TColgp_Array1OfPnt2d.hxx>
-#include <GeomAbs_SurfaceType.hxx>
-#include <Geom2dInt_Geom2dCurveTool.hxx>
-#include <Geom2d_Line.hxx>
-#include <Geom2d_BezierCurve.hxx>
-#include <Geom2d_BSplineCurve.hxx>
-#include <Geom2d_TrimmedCurve.hxx>
-// Topology
-#include <BRep_Tool.hxx>
-#include <BRepTools.hxx>
-#include <BRepTools_WireExplorer.hxx>
-#include <BRepAdaptor_Curve2d.hxx>
-#include <TopAbs_Orientation.hxx>
-#include <TopExp.hxx>
-#include <TopExp_Explorer.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopoDS.hxx>
#include <CSLib_Class2d.hxx>
-#include <Poly_PolygonOnTriangulation.hxx>
-// BRepMesh
-#include <BRepMesh_Vertex.hxx>
-#include <BRepMesh_Array1OfBiPoint.hxx>
-#include <BRepMesh_PairOfPolygon.hxx>
+#include <TColgp_Array1OfPnt2d.hxx>
+
+//=======================================================================
+//function : Constructor
+//purpose :
+//=======================================================================
+BRepMesh_Classifier::BRepMesh_Classifier()
+{
+}
-static const Standard_Real PARALL_COND = Sin(M_PI/3.0);
-static const Standard_Real RESOLUTION = 1.0E-16;
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+TopAbs_State BRepMesh_Classifier::Perform(const gp_Pnt2d& thePoint) const
+{
+ Standard_Boolean isOut = Standard_False;
+ Standard_Integer aNb = myTabClass.Length();
+
+ for (Standard_Integer i = 1; i <= aNb; i++)
+ {
+ Standard_Integer aCur = ((CSLib_Class2d*)myTabClass(i))->SiDans(thePoint);
+ if (aCur == 0)
+ {
+ // Point is ON, but mark it as OUT
+ isOut = Standard_True;
+ }
+ else
+ isOut = myTabOrient(i) ? (aCur == -1) : (aCur == 1);
+
+ if (isOut)
+ return TopAbs_OUT;
+ }
-// Real mesh is created in the grid 10E5x10E5, so intersection
-// should be cheched with double of discretization.
-static const Standard_Real MIN_DIST = 2.E-5;
+ return TopAbs_IN;
+}
//=======================================================================
-//function : AnalizeWire
+//function : RegisterWire
//purpose :
//=======================================================================
-void BRepMesh_Classifier::AnalizeWire (const TColgp_SequenceOfPnt2d& theSeqPnt2d,
- const Standard_Real theUmin, const Standard_Real theUmax,
- const Standard_Real theVmin, const Standard_Real theVmax)
+void BRepMesh_Classifier::RegisterWire(
+ const NCollection_Sequence<gp_Pnt2d>& theWire,
+ const Standard_Real theTolUV,
+ const Standard_Real theUmin,
+ const Standard_Real theUmax,
+ const Standard_Real theVmin,
+ const Standard_Real theVmax)
{
- const Standard_Integer aNbPnts = theSeqPnt2d.Length();
+ const Standard_Integer aNbPnts = theWire.Length();
if (aNbPnts < 2)
return;
// Accumulate angle
TColgp_Array1OfPnt2d aPClass(1, aNbPnts);
Standard_Real anAngle = 0.0;
- gp_Pnt2d p1 = theSeqPnt2d(1), p2 = theSeqPnt2d(2), p3;
+ gp_Pnt2d p1 = theWire(1), p2 = theWire(2), p3;
aPClass(1) = p1;
aPClass(2) = p2;
+
+ const Standard_Real aAngTol = Precision::Angular();
+ const Standard_Real aSqConfusion =
+ Precision::PConfusion() * Precision::PConfusion();
+
for (Standard_Integer i = 1; i <= aNbPnts; i++)
{
Standard_Integer ii = i + 2;
}
else
{
- p3 = theSeqPnt2d.Value(ii);
+ p3 = theWire.Value(ii);
aPClass(ii) = p3;
}
gp_Vec2d A(p1,p2), B(p2,p3);
- if (A.SquareMagnitude() > 1.e-16 && B.SquareMagnitude() > 1.e-16)
+ if (A.SquareMagnitude() > aSqConfusion &&
+ B.SquareMagnitude() > aSqConfusion)
{
const Standard_Real aCurAngle = A.Angle(B);
const Standard_Real aCurAngleAbs = Abs(aCurAngle);
// Check if vectors are opposite
- if (aCurAngleAbs > Precision::Angular() && (M_PI - aCurAngleAbs) > Precision::Angular())
+ if (aCurAngleAbs > aAngTol && (M_PI - aCurAngleAbs) > aAngTol)
{
anAngle += aCurAngle;
p1 = p2;
p2 = p3;
}
// Check for zero angle - treat self intersecting wire as outer
- if (Abs(anAngle) < Precision::Angular())
+ if (Abs(anAngle) < aAngTol)
anAngle = 0.0;
- myTabClass.Append( (void *)new CSLib_Class2d(aPClass, myTolUV, myTolUV,
- theUmin, theVmin, theUmax, theVmax) );
- myTabOrient.Append( ((anAngle < 0.0) ? 0 : 1) );
+ myTabClass.Append( (void *)new CSLib_Class2d(aPClass,
+ theTolUV, theTolUV, theUmin, theVmin, theUmax, theVmax) );
+ myTabOrient.Append( !(anAngle < 0.0) );
}
//=======================================================================
-//function : triangle2Area
-//purpose : calculating area under triangle
-//=======================================================================
-inline static Standard_Real triangle2Area(const gp_XY& p1, const gp_XY& p2)
-{
- return p1.Crossed(p2);
-}
-
-//=======================================================================
-//function : getSegmentParams
-//purpose : extracting segment attributes
-//=======================================================================
-static Standard_Real getSegmentParams(const BRepMesh_Array1OfBiPoint& theBiPoints,
- const Standard_Integer Index,
- Standard_Real& x11,
- Standard_Real& y11,
- Standard_Real& x12,
- Standard_Real& y12,
- Standard_Real& A,
- Standard_Real& B,
- Standard_Real& C)
-{
- Standard_Real *aCoordinates;
- aCoordinates = ((Standard_Real*)(theBiPoints(Index).Coordinates()));
- x11 = aCoordinates[0];
- y11 = aCoordinates[1];
- x12 = aCoordinates[2];
- y12 = aCoordinates[3];
- A = aCoordinates[5];
- B = -aCoordinates[4];
- C = - x11*A - y11*B;
- return A*A+B*B;
-}
-
-//=======================================================================
-//function : checkWiresIntersection
-//purpose : finding intersection.
-// If the intersection is found return Standard_True
-//=======================================================================
-static Standard_Boolean checkWiresIntersection(const Standard_Integer theFirstWireId,
- const Standard_Integer theSecondWireId,
- Standard_Integer* const theFirstOuterSegmentId,
- Standard_Integer theLastOuterSegmentId,
- const TColStd_SequenceOfInteger& theWireLength,
- const BRepMesh_Array1OfBiPoint& theBiPoints,
- const Standard_Boolean findNextIntersection = Standard_False,
- const Standard_Boolean isFirstSegment = Standard_False,
- Standard_Integer* const theFirstInnerSegmentId = 0)
-{
- Standard_Real A1, B1, C1, A2, B2, C2, AB, BC, CA, xc, yc;
- Standard_Real mu1, d, mu2;
- Standard_Integer ik = *theFirstOuterSegmentId, jk;
- Standard_Real x11, x12, y11, y12, x21, x22, y21, y22;
-
- // Calculate bounds for first wire
- Standard_Integer ikEnd = theLastOuterSegmentId;
- Standard_Boolean isFirst = Standard_True;
- if ( findNextIntersection )
- isFirst = isFirstSegment;
-
- // Calculate bounds for second wire
- Standard_Integer jkStart = 0, jkEnd = 0;
- for (jk = 1; jk <= theSecondWireId; jk++)
- {
- jkStart = jkEnd + 1;
- jkEnd += theWireLength(jk);
- }
-
- // total area under polygon (area of loop)
- Standard_Real aLoopArea = 0.0;
- // area under first triangles of polygon
- Standard_Real aFirstTriangleArea = 0.0;
- // contains coordinates of the end point of segment if first intersection point is finding
- // or coordinates of the intersecting point if second intersection point is finding
- gp_XY aStartPoint;
-
- for (; ik <= ikEnd; ik++)
- {
- mu1 = getSegmentParams(theBiPoints, ik, x11, y11, x12, y12, A1, B1, C1);
- // for second intersection point we must count the area from first intersection point
- if ( !findNextIntersection )
- {
- aLoopArea = 0.0;
- aStartPoint.SetCoord(x12, y12);
- }
-
- //for theFirstWireId == theSecondWireId the algorithm check current wire on selfintersection
- if ( findNextIntersection && theFirstInnerSegmentId && isFirst)
- jk = *theFirstInnerSegmentId;
- else if (theSecondWireId == theFirstWireId)
- jk = ik + 2;
- else
- jk = jkStart;
-
- // Explore second wire
- Standard_Boolean aFirstPass = Standard_True;
- for (; jk <= jkEnd; jk++)
- {
- // don't check end's segment of the wire on selfrestriction
- if ( theSecondWireId == theFirstWireId && isFirst && jk == ikEnd )
- continue;
-
- mu2 = getSegmentParams(theBiPoints, jk, x21, y21, x22, y22, A2, B2, C2);
- gp_XY p2(x21, y21), p3(x22, y22);
-
- //different segments may have common vertex (see OCC287 bug for example)
- AB = A1*B2 - A2*B1;
- //check on minimal of distance between current segment and points of another linear segments - OCC319
- d = A1*x22 + B1*y22 + C1;
- Standard_Real dTol = MIN_DIST*MIN_DIST;
- if(theFirstWireId != theSecondWireId && // if compared wires are different &&
- AB*AB > PARALL_COND*PARALL_COND*mu1*mu2 && // angle between two segments greater then PARALL_COND &&
- d*d < dTol*mu1 && // distance between vertex of the segment and other one's less then MIN_DIST
- (x22-x11)*(x22-x12) < 0.0 && (y22-y11)*(y22-y12) < 0.0)
- {
- // if we finding the second intersection we must return Standard_False for setting
- // self-intersection result flag
- if ( findNextIntersection )
- return Standard_False;
-
- // we can step here when finding first intersection, return self-intersection flag
- return Standard_True;
- }
-
- if( aFirstPass )
- aFirstTriangleArea = triangle2Area(aStartPoint, p2);
-
- Standard_Real aTmpArea = triangle2Area(p2, p3);
-
- //look for intersection of two linear segments
- if(Abs(AB) <= RESOLUTION)
- {
- aLoopArea += aTmpArea;
- continue; //current segments seem parallel - no intersection
- }
-
- //calculate coordinates of point of the intersection
- BC = B1*C2 - B2*C1; xc = BC/AB;
- CA = C1*A2 - C2*A1; yc = CA/AB;
-
- // remember current intersection point and area of first triangle
- if( findNextIntersection && ik == *theFirstOuterSegmentId && jk == *theFirstInnerSegmentId )
- {
- aStartPoint.SetCoord(xc, yc);
- continue;
- }
-
- //check on belonging of intersection point to the both of segments
- Standard_Boolean isOnLines = Standard_True;
-
- Standard_Real dd[2][4] = { {(xc-x11), (xc-x12), (xc-x21), (xc-x22)}, //dX
- {(yc-y11), (yc-y12), (yc-y21), (yc-y22)} }; //dY
-
- for( Standard_Integer i = 0; i < 2; i++ )
- {
- if ( dd[i][0] * dd[i][1] > RESOLUTION || dd[i][2] * dd[i][3] > RESOLUTION )
- {
- isOnLines = Standard_False;
- break;
- }
- }
-
- // check the intersection point is on the ends of segments
- if ( isOnLines )
- {
- for( Standard_Integer i = 0; i < 2; i++ )
- {
- // if it's the last segment and intersection point lies at the end
- if ( ( jk == jkEnd ||
- // dX && dY
- // or when the start or the end point of the first segment
- (Abs(dd[0][0]) < MIN_DIST && Abs(dd[1][0]) < MIN_DIST) ||
- (Abs(dd[0][1]) < MIN_DIST && Abs(dd[1][1]) < MIN_DIST)) &&
- // is equal to one of the end points of the second
- (Abs(dd[0][i+2]) < MIN_DIST && Abs(dd[1][i+2]) < MIN_DIST))
- {
- // no intersection
- isOnLines = Standard_False;
- aLoopArea = aTmpArea = 0.0;
- aFirstPass = Standard_True;
- break;
- }
- }
- }
-
-
- if( isOnLines )
- {
- p3.SetX(xc); p3.SetY(yc);
- aLoopArea += aFirstTriangleArea; // First triangle area
- aLoopArea += triangle2Area(p2, p3);
- aLoopArea += triangle2Area(p3, aStartPoint); // Last triangle area
-
- if( Abs(aLoopArea)/2 > M_PI*MIN_DIST )
- {
- if ( findNextIntersection )
- {
- // intersection is found, but Standard_False returns, because area is too much
- return Standard_False;
- }
-
- if ( checkWiresIntersection(theFirstWireId, theSecondWireId, &ik, ikEnd, theWireLength,
- theBiPoints, Standard_True, isFirst, &jk) )
- {
- // small crossing is not intersection, continue cheching
- aLoopArea = aTmpArea = 0.0;
- aFirstPass = Standard_True;
- }
- else
- {
- // if we found only one intersection
- return Standard_True;
- }
- }
- else if ( findNextIntersection )
- {
- // small intersection, skip double checking
- *theFirstOuterSegmentId = ik;
- *theFirstInnerSegmentId = jk + 1;
- return Standard_True;
- }
- }
- if ( aFirstPass )
- aFirstPass = Standard_False;
-
- aLoopArea += aTmpArea;
- }
-
- if ( isFirst )
- isFirst = Standard_False;
- }
- return Standard_False;
-}
-
-
-//=======================================================================
-//function : BRepMesh_Classifier
-//purpose :
-//=======================================================================
-BRepMesh_Classifier::BRepMesh_Classifier(const TopoDS_Face& theFace,
- const Standard_Real theTolUV,
- const BRepMesh_DataMapOfShapePairOfPolygon& theEdges,
- const TColStd_IndexedMapOfInteger& theMap,
- const Handle(BRepMesh_DataStructureOfDelaun)& theStructure,
- const Standard_Real theUmin,
- const Standard_Real theUmax,
- const Standard_Real theVmin,
- const Standard_Real theVmax)
-: myTolUV( theTolUV ),
- myFace ( theFace ),
- myState( BRepMesh_NoError )
-{
- //-- impasse sur les surfs definies sur plus d une periode
- //-- once definition
- myFace.Orientation(TopAbs_FORWARD);
-
- TColgp_SequenceOfPnt2d aWirePoints, aWire;
- TColStd_SequenceOfInteger aWireLength;
-
- TopoDS_Iterator aFaceExplorer;
- for(aFaceExplorer.Initialize(myFace); aFaceExplorer.More(); aFaceExplorer.Next())
- {
- if(aFaceExplorer.Value().ShapeType() != TopAbs_WIRE)
- continue;
-
- // For each wire we create a data map, linking vertices (only
- // the ends of edges) with their positions in the sequence of
- // all 2d points from this wire.
- // When we meet some vertex for the second time - the piece
- // of sequence is treated for a HOLE and quits the sequence.
- // Actually, we must unbind the vertices belonging to the
- // loop from the map, but since they can't appear twice on the
- // valid wire, leave them for a little speed up.
- Standard_Integer aNbEdges = 0;
- Standard_Integer aFirstIndex = 0, aLastIndex = 0;
- Standard_Boolean isFalseWire = Standard_False;
-
- TColgp_SequenceOfPnt2d aSeqPnt2d;
- TColStd_DataMapOfIntegerInteger aNodeInSeq;
-
- // Start traversing the wire
- BRepTools_WireExplorer aWireExplorer;
- for (aWireExplorer.Init(TopoDS::Wire( aFaceExplorer.Value() ), myFace); aWireExplorer.More(); aWireExplorer.Next())
- {
- TopoDS_Edge anEdge = aWireExplorer.Current();
- TopAbs_Orientation anOrient = anEdge.Orientation();
- if (anOrient != TopAbs_FORWARD && anOrient != TopAbs_REVERSED)
- continue;
-
- if (theEdges.IsBound(anEdge))
- {
- // Retrieve polygon
- // Define the direction for adding points to aSeqPnt2d
- Standard_Integer aIdxFirst, aIdxLast, aIdxIncr;
-
- const BRepMesh_PairOfPolygon& aPair = theEdges.Find(anEdge);
- Handle(Poly_PolygonOnTriangulation) aNOD;
- if (anOrient == TopAbs_FORWARD)
- {
- aNOD = aPair.First();
- aIdxFirst = 1;
- aIdxLast = aNOD->NbNodes();
- aIdxIncr = 1;
- }
- else
- {
- aNOD = aPair.Last();
- aIdxFirst = aNOD->NbNodes();
- aIdxLast = 1;
- aIdxIncr = -1;
- }
- const TColStd_Array1OfInteger& anIndices = aNOD->Nodes();
-
- // anIndexFirst and anIndexLast are the indices of first and last
- // vertices of the edge in IndexedMap <Str>
- const Standard_Integer anIndexFirst = theMap.FindKey( anIndices(aIdxFirst) );
- const Standard_Integer anIndexLast = theMap.FindKey( anIndices(aIdxLast) );
-
- if (anIndexLast == anIndexFirst && (aIdxLast - aIdxFirst) == aIdxIncr)
- {
- // case of continuous set of degenerated edges
- aLastIndex = anIndexLast;
- continue;
- }
-
- // If there's a gap between edges -> raise <isFalseWire> flag
- if (aNbEdges)
- {
- if (anIndexFirst != aLastIndex)
- {
- isFalseWire = Standard_True;
- break;
- }
- }
- else
- aFirstIndex = anIndexFirst;
-
- aLastIndex = anIndexLast;
-
- // Record first vertex (to detect loops)
- aNodeInSeq.Bind(anIndexFirst, (aSeqPnt2d.Length() + 1));
-
- // Add vertices in sequence
- for (Standard_Integer i = aIdxFirst; i != aIdxLast; i += aIdxIncr)
- {
- Standard_Integer anIndex = ((i == aIdxFirst) ? anIndexFirst : theMap.FindKey( anIndices(i) ));
-
- gp_Pnt2d aPnt( theStructure->GetNode(anIndex).Coord() );
- aSeqPnt2d.Append(aPnt);
- }
-
- // Now, is there a loop?
- if (aNodeInSeq.IsBound(anIndexLast))
- {
- // Yes, treat it separately as a hole
- // 1. Divide points into main wire and a loop
- const Standard_Integer aIdxWireStart = aNodeInSeq(anIndexLast);
- if(aIdxWireStart < aSeqPnt2d.Length())
- {
- aSeqPnt2d.Split(aIdxWireStart, aWire);
- // 2. Proceed the loop
- //AnalizeWire(aLoop, Umin, Umax, Vmin, Vmax, aWirePoints, aWireLength, NbBiPoint);
- aWireLength.Append( aWire.Length() );
- aWirePoints.Append( aWire );
- }
- }
- aNbEdges++;
- }
- }
-
- if (aNbEdges)
- {
- // Isn't it open?
- if (isFalseWire || (aFirstIndex != aLastIndex) || aSeqPnt2d.Length() > 1)
- {
- myState = BRepMesh_OpenWire;
- return;
- }
- }
- }
-
- const Standard_Integer aNbWires = aWireLength.Length();
- Standard_Integer aNbBiPoint = aWirePoints.Length();
- BRepMesh_Array1OfBiPoint aBiPoints(0, aNbBiPoint);
- BRepMesh_BiPoint *aBiPoint = &(aBiPoints.ChangeValue(1));
-
- // Fill array of segments (bi-points)
- Standard_Integer k = 1;
- for (Standard_Integer i = 1; i <= aNbWires; i++)
- {
- Standard_Real x1 = 0., y1 = 0., x2, y2, aXstart = 0., aYstart = 0.;
- const Standard_Integer aLen = aWireLength(i) + 1;
- for (Standard_Integer j = 1; j <= aLen; j++)
- {
- // Obtain last point of the segment
- if (j == aLen)
- {
- x2 = aXstart;
- y2 = aYstart;
- }
- else
- {
- const gp_Pnt2d& aPnt = aWirePoints(k);
- k++;
-
- x2 = aPnt.X();
- y2 = aPnt.Y();
- }
- // Build segment (bi-point)
- if (j == 1)
- {
- aXstart = x2;
- aYstart = y2;
- }
- else
- {
- Standard_Real *aCoordinates1 = ((Standard_Real*)(aBiPoint->Coordinates()));
- aBiPoint++;
-
- aCoordinates1[0] = x1;
- aCoordinates1[1] = y1;
- aCoordinates1[2] = x2;
- aCoordinates1[3] = y2;
- aCoordinates1[4] = x2 - x1;
- aCoordinates1[5] = y2 - y1;
- }
- x1 = x2;
- y1 = y2;
- }
- }
-
- // Search the intersection
- // Explore first wire
- Standard_Integer ikEnd = 0;
- for(Standard_Integer i = 1; i <= aNbWires; i++)
- {
- Standard_Integer ik = ikEnd + 1;
- ikEnd += aWireLength(i);
-
- // Explore second wire
- for (Standard_Integer j = i; j <= aNbWires; j++)
- {
- if ( checkWiresIntersection(i, j, &ik, ikEnd, aWireLength, aBiPoints) )
- {
- myState = BRepMesh_SelfIntersectingWire;
- return;
- }
- }
- }
-
- // Find holes
- for (Standard_Integer i = aNbWires; i >= 1; i--)
- {
- aNbBiPoint = aWirePoints.Length() - aWireLength(i) + 1;
- aWirePoints.Split(aNbBiPoint, aWire);
- AnalizeWire(aWire, theUmin, theUmax, theVmin, theVmax);
- }
-}
-
-
-//=======================================================================
-//function : Perform
-//purpose :
-//=======================================================================
-TopAbs_State BRepMesh_Classifier::Perform(const gp_Pnt2d& thePoint) const
-{
- Standard_Boolean isOut = Standard_False;
- Standard_Integer aNb = myTabClass.Length();
-
- for (Standard_Integer i = 1; i <= aNb; i++)
- {
- Standard_Integer aCur = ((CSLib_Class2d*)myTabClass(i))->SiDans(thePoint);
- if (aCur == 0)
- {
- // Point is ON, but mark it as OUT
- isOut = Standard_True;
- }
- else
- isOut = myTabOrient(i)? (aCur == -1) : (aCur == 1);
-
- if (isOut)
- return TopAbs_OUT;
- }
-
- return TopAbs_IN;
-}
-
-
-//=======================================================================
//function : Destroy
//purpose :
//=======================================================================
myTabClass(i) = NULL;
}
}
+
+ myTabClass.Clear();
+ myTabOrient.Clear();
}
--- /dev/null
+// Created on: 2014-06-03
+// Created by: Oleg AGASHIN
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BRepMesh_Classifier_HeaderFile
+#define _BRepMesh_Classifier_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Macro.hxx>
+#include <BRepTopAdaptor_SeqOfPtr.hxx>
+#include <TColStd_SequenceOfBoolean.hxx>
+#include <TopAbs_State.hxx>
+#include <NCollection_Sequence.hxx>
+
+class gp_Pnt2d;
+class TColgp_SequenceOfPnt2d;
+
+//! Auxilary class contains information about correctness of discretized
+//! face and used for classification of points regarding face internals.
+class BRepMesh_Classifier
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+ //! Constructor.
+ Standard_EXPORT BRepMesh_Classifier();
+
+ //! Destructor.
+ ~BRepMesh_Classifier()
+ {
+ Destroy();
+ }
+
+ //! Method is called on destruction.
+ //! Clears internal data structures.
+ Standard_EXPORT void Destroy();
+
+ //! Performs classification of the given point regarding to face internals.
+ //! \param thePoint Point in parametric space to be classified.
+ //! \return
+ Standard_EXPORT TopAbs_State Perform(const gp_Pnt2d& thePoint) const;
+
+ //! Registers wire specified by sequence of points for
+ //! further classification of points.
+ //! \param theWire Wire to be registered. Specified by sequence of points.
+ //! \param theTolUV Tolerance to be used for calculations in parametric space.
+ //! \param theUmin Lower U boundary of the face in parametric space.
+ //! \param theUmax Upper U boundary of the face in parametric space.
+ //! \param theVmin Lower V boundary of the face in parametric space.
+ //! \param theVmax Upper V boundary of the face in parametric space.
+ void RegisterWire(
+ const NCollection_Sequence<gp_Pnt2d>& theWire,
+ const Standard_Real theTolUV,
+ const Standard_Real theUmin,
+ const Standard_Real theUmax,
+ const Standard_Real theVmin,
+ const Standard_Real theVmax);
+
+private:
+
+ BRepTopAdaptor_SeqOfPtr myTabClass;
+ TColStd_SequenceOfBoolean myTabOrient;
+};
+
+#endif
+++ /dev/null
-// Created on: 2003-11-05
-// Created by: Open CASCADE Support
-// Copyright (c) 2003-2014 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-//=======================================================================
-//function : State
-//purpose :
-//=======================================================================
-
-inline BRepMesh_Status BRepMesh_Classifier::State() const
-{
- return myState;
-}
#ifndef BRepMesh_ClassifierPtr_HeaderFile
#define BRepMesh_ClassifierPtr_HeaderFile
-#include <BRepMesh_Classifier.hxx>
#include <NCollection_Handle.hxx>
+class BRepMesh_Classifier;
typedef NCollection_Handle<BRepMesh_Classifier> BRepMesh_ClassifierPtr;
#endif
const Standard_Real AngDeviation90Deg = 90 * AngDeviation1Deg;
const Standard_Real Angle2PI = 2 * M_PI;
-const Standard_Real Precision = Precision::PConfusion();
-const Standard_Real EndPrecision = 1 - Precision;
-const Standard_Real Precision2 = Precision * Precision;
+const Standard_Real Precision = Precision::PConfusion();
+const Standard_Real Precision2 = Precision * Precision;
const gp_XY SortingDirection(M_SQRT1_2, M_SQRT1_2);
//=======================================================================
continue;
gp_Pnt2d anIntPnt;
- IntFlag aIntFlag = intSegSeg( theLink, aPolyLink,
- isConsiderEndPointTouch, isConsiderPointOnEdge, anIntPnt );
+ BRepMesh_WireInterferenceChecker::IntFlag aIntFlag =
+ intSegSeg( theLink, aPolyLink, isConsiderEndPointTouch,
+ isConsiderPointOnEdge, anIntPnt );
- if ( aIntFlag != BRepMesh_Delaun::NoIntersection )
+ if ( aIntFlag != BRepMesh_WireInterferenceChecker::NoIntersection )
return Standard_False;
}
}
};
gp_Pnt2d anIntPnt;
- IntFlag aIntFlag = intSegSeg( *aCurEdge, *aNextEdge,
- Standard_False, Standard_True, anIntPnt );
+ BRepMesh_WireInterferenceChecker::IntFlag aIntFlag = intSegSeg( *aCurEdge,
+ *aNextEdge, Standard_False, Standard_True, anIntPnt );
- if ( aIntFlag == BRepMesh_Delaun::NoIntersection )
+ if ( aIntFlag == BRepMesh_WireInterferenceChecker::NoIntersection )
continue;
Standard_Boolean isRemoveFromFirst = Standard_False;
Standard_Boolean isAddReplacingEdge = Standard_True;
Standard_Integer aIndexToRemoveTo = aNextPolyIt;
- if ( aIntFlag == BRepMesh_Delaun::Cross )
+ if ( aIntFlag == BRepMesh_WireInterferenceChecker::Cross )
{
Standard_Real aLoopArea = polyArea( thePolygon, aPolyIt + 1, aNextPolyIt );
gp_Vec2d aVec1( anIntPnt, aCurPnts [1] );
theSkipped->Add( Abs( thePolygon( aSkippedLinkIt ) ) );
}
}
- else if ( aIntFlag == BRepMesh_Delaun::PointOnEdge )
+ else if ( aIntFlag == BRepMesh_WireInterferenceChecker::PointOnSegment )
{
// Indentify chopping link
Standard_Boolean isFirstChopping = Standard_False;
thePolygon, thePolyBoxes );
}
}
- else if ( aIntFlag == BRepMesh_Delaun::Glued )
+ else if ( aIntFlag == BRepMesh_WireInterferenceChecker::Glued )
{
if ( aCurNodes[1] == aNextNodes[0] )
{
}
// TODO: Non-adjacent glued links within the polygon
}
- else if ( aIntFlag == BRepMesh_Delaun::Same )
+ else if ( aIntFlag == BRepMesh_WireInterferenceChecker::Same )
{
processLoop( aPolyIt, aNextPolyIt, thePolygon, thePolyBoxes );
// intersection is possible...
gp_Pnt2d anIntPnt;
- IntFlag aIntFlag = intSegSeg( aCheckLink, aPolyLink,
- Standard_False, Standard_False, anIntPnt );
+ BRepMesh_WireInterferenceChecker::IntFlag aIntFlag =
+ intSegSeg( aCheckLink, aPolyLink, Standard_False,
+ Standard_False, anIntPnt );
- if( aIntFlag != BRepMesh_Delaun::NoIntersection )
+ if( aIntFlag != BRepMesh_WireInterferenceChecker::NoIntersection )
{
isIntersect = Standard_True;
break;
( aDistance[0] <= 0. && aDistance[1] <= 0. && aDistance[2] <= 0. ) ) );
}
-
-//=============================================================================
-//function : classifyPoint
-//purpose : Classifies the point in case of coincidence of two vectors.
-// Returns zero value if point is out of segment and non zero
-// value if point is between the first and the second point of segment.
-// thePoint1 - the start point of a segment (base point)
-// thePoint2 - the end point of a segment
-// thePointToCheck - the point to classify
-//=============================================================================
-Standard_Integer BRepMesh_Delaun::classifyPoint( const gp_XY& thePoint1,
- const gp_XY& thePoint2,
- const gp_XY& thePointToCheck ) const
-{
- gp_XY aP1 = thePoint2 - thePoint1;
- gp_XY aP2 = thePointToCheck - thePoint1;
-
- Standard_Real aDist = Abs( aP1 ^ aP2 );
- if ( aDist >= Precision )
- {
- aDist = ( aDist * aDist ) / aP1.SquareModulus();
- if ( aDist >= Precision2 )
- return 0; //out
- }
-
- gp_XY aMult = aP1.Multiplied( aP2 );
- if ( aMult.X() < 0.0 || aMult.Y() < 0.0 )
- return 0; //out
-
- if ( aP1.SquareModulus() < aP2.SquareModulus() )
- return 0; //out
-
- if ( thePointToCheck.IsEqual( thePoint1, Precision ) ||
- thePointToCheck.IsEqual( thePoint2, Precision ) )
- return -1; //coinsides with an end point
-
- return 1;
-}
-
//=============================================================================
//function : intSegSeg
//purpose : Checks intersection between the two segments.
//=============================================================================
-BRepMesh_Delaun::IntFlag BRepMesh_Delaun::intSegSeg( const BRepMesh_Edge& theEdg1,
- const BRepMesh_Edge& theEdg2,
- const Standard_Boolean isConsiderEndPointTouch,
- const Standard_Boolean isConsiderPointOnEdge,
- gp_Pnt2d& theIntPnt) const
+BRepMesh_WireInterferenceChecker::IntFlag BRepMesh_Delaun::intSegSeg(
+ const BRepMesh_Edge& theEdg1,
+ const BRepMesh_Edge& theEdg2,
+ const Standard_Boolean isConsiderEndPointTouch,
+ const Standard_Boolean isConsiderPointOnEdge,
+ gp_Pnt2d& theIntPnt) const
{
gp_XY p1, p2, p3, p4;
p1 = GetVertex( theEdg1.FirstNode() ).Coord();
p3 = GetVertex( theEdg2.FirstNode() ).Coord();
p4 = GetVertex( theEdg2.LastNode() ).Coord();
- Standard_Integer aPoint1 = classifyPoint( p1, p2, p3 );
- Standard_Integer aPoint2 = classifyPoint( p1, p2, p4 );
- Standard_Integer aPoint3 = classifyPoint( p3, p4, p1 );
- Standard_Integer aPoint4 = classifyPoint( p3, p4, p2 );
-
- // Consider case when edges have shared vertex
- if ( isConsiderEndPointTouch )
- {
- if ( aPoint1 < 0 || aPoint2 < 0 )
- return BRepMesh_Delaun::EndPointTouch;
- }
-
- Standard_Integer aPosHash =
- aPoint1 + aPoint2 + aPoint3 + aPoint4;
-
- /*=========================================*/
- /* 1) hash code == 1:
-
- 0+
- /
- 0 1/ 0
- +======+==========+
-
- 2) hash code == 2:
-
- 0 1 1 0
- a) +----+========+---+
-
- 0 1 1 0
- b) +-------+===+=====+
-
- */
- /*=========================================*/
- if ( aPosHash == 1 )
- {
- return isConsiderPointOnEdge ?
- BRepMesh_Delaun::PointOnEdge :
- BRepMesh_Delaun::NoIntersection;
- }
- else if ( aPosHash == 2 )
- return BRepMesh_Delaun::Glued;
-
- gp_XY aVec1 = p2 - p1;
- gp_XY aVec2 = p4 - p3;
- gp_XY aVecStartPoints = p3 - p1;
-
- Standard_Real aCrossD1D2 = aVec1 ^ aVec2;
- Standard_Real aCrossD1D3 = aVecStartPoints ^ aVec2;
-
- // is edgegs codirectional
- if ( Abs( aCrossD1D2 ) < Precision )
- {
- // just a parallel case?
- if( Abs( aCrossD1D3 ) < Precision )
- {
- /*=========================================*/
- /* Here the following cases are possible:
- 1) hash code == -4:
-
- -1 -1
- +=================+
- -1 -1
-
- 2) hash code == -2:
-
- 0 -1 0
- +--------+========+
- -1
-
- 3) hash code == -1:
-
- 0 1 -1
- +--------+========+
- -1
-
- 4) hash code == 0:
-
- 0 0 0 0
- +------+ +=======+
- 0 0 0 0
- */
- /*=========================================*/
-
- if ( aPosHash < -2 )
- return BRepMesh_Delaun::Same;
- else if ( aPosHash == -1 )
- return BRepMesh_Delaun::Glued;
-
- return BRepMesh_Delaun::NoIntersection;
- }
- else
- return BRepMesh_Delaun::NoIntersection;
- }
-
- Standard_Real aPar = aCrossD1D3 / aCrossD1D2;
- // inrersects out of first segment range
- if( aPar < Precision || aPar > EndPrecision )
- return BRepMesh_Delaun::NoIntersection;
-
- Standard_Real aCrossD2D3 = aVecStartPoints.Reversed() ^ aVec1;
- aPar = aCrossD2D3 / -aCrossD1D2;
- // inrersects out of second segment range
- if( aPar < Precision || aPar > EndPrecision )
- return BRepMesh_Delaun::NoIntersection;
-
- theIntPnt = p3 + aPar * aVec2;
- return BRepMesh_Delaun::Cross;
+ return BRepMesh_WireInterferenceChecker::Intersect(p1, p2, p3, p4,
+ isConsiderEndPointTouch, isConsiderPointOnEdge, theIntPnt);
}
//=============================================================================
#include <BRepMesh_MapOfIntegerInteger.hxx>
#include <BRepMesh_DataStructureOfDelaun.hxx>
#include <NCollection_Sequence.hxx>
+#include <BRepMesh_WireInterferenceChecker.hxx>
class Bnd_B2d;
class Bnd_Box2d;
private:
- enum IntFlag
- {
- NoIntersection,
- Cross,
- EndPointTouch,
- PointOnEdge,
- Glued,
- Same
- };
-
enum ReplaceFlag
{
Replace,
Standard_Real theSqModulus[3],
Standard_Integer& theEdgeOn) const;
- //! Classifies the point in case of coincidence of two vectors.
- //! @param thePoint1 the start point of a segment (base point)
- //! @param thePoint2 the end point of a segment
- //! @param thePointToCheck the point to classify
- //! @returns zero value if point is out of segment and non zero value if point is between the first and the second point of segment
- Standard_Integer classifyPoint (const gp_XY& thePoint1,
- const gp_XY& thePoint2,
- const gp_XY& thePointToCheck) const;
-
//! Checks intersection between the two segments.
- IntFlag intSegSeg (const BRepMesh_Edge& theEdge1,
- const BRepMesh_Edge& theEdge2,
- const Standard_Boolean isConsiderEndPointTouch,
- const Standard_Boolean isConsiderPointOnEdge,
- gp_Pnt2d& theIntPnt) const;
+ BRepMesh_WireInterferenceChecker::IntFlag intSegSeg (
+ const BRepMesh_Edge& theEdge1,
+ const BRepMesh_Edge& theEdge2,
+ const Standard_Boolean isConsiderEndPointTouch,
+ const Standard_Boolean isConsiderPointOnEdge,
+ gp_Pnt2d& theIntPnt) const;
//! Returns area of the loop of the given polygon defined by indices of its start and end links.
Standard_Real polyArea (const TColStd_SequenceOfInteger& thePolygon,
is
- Create (defle : Real from Standard;
- angle : Real from Standard;
- B : Box from Bnd;
- withShare : Boolean from Standard=Standard_True;
- inshape : Boolean from Standard=Standard_False;
- relative : Boolean from Standard=Standard_False;
- shapetrigu: Boolean from Standard=Standard_False)
+ Create (defle : Real from Standard;
+ angle : Real from Standard;
+ B : Box from Bnd;
+ withShare : Boolean from Standard=Standard_True;
+ inshape : Boolean from Standard=Standard_False;
+ relative : Boolean from Standard=Standard_False;
+ shapetrigu : Boolean from Standard=Standard_False;
+ isInParallel: Boolean from Standard=Standard_False)
returns FastDiscret from BRepMesh;
- Create (defle : Real from Standard;
- shape : Shape from TopoDS;
- B : Box from Bnd;
- angle : Real from Standard;
- withShare : Boolean from Standard=Standard_True;
- inshape : Boolean from Standard=Standard_False;
- relative : Boolean from Standard=Standard_False;
- shapetrigu: Boolean from Standard=Standard_False)
+ Create (defle : Real from Standard;
+ shape : Shape from TopoDS;
+ B : Box from Bnd;
+ angle : Real from Standard;
+ withShare : Boolean from Standard=Standard_True;
+ inshape : Boolean from Standard=Standard_False;
+ relative : Boolean from Standard=Standard_False;
+ shapetrigu : Boolean from Standard=Standard_False;
+ isInParallel: Boolean from Standard=Standard_False)
---Purpose: if the boolean <relative> is True, the
-- deflection used for the polygonalisation of
-- each edge will be <defle> * Size of Edge.
#include <BRepMesh_FaceAttribute.hxx>
#include <BRepMesh_DataStructureOfDelaun.hxx>
#include <BRepMesh_ClassifierPtr.hxx>
+#include <BRepMesh_Classifier.hxx>
+#include <BRepMesh_WireChecker.hxx>
#include <BRepMesh_GeomTool.hxx>
#include <BRepMesh_PairOfPolygon.hxx>
#include <BRepMesh_DataMapOfShapePairOfPolygon.hxx>
const Standard_Boolean theWithShare,
const Standard_Boolean theInshape,
const Standard_Boolean theRelative,
- const Standard_Boolean theShapetrigu) :
- myAngle (theAngl),
+ const Standard_Boolean theShapetrigu,
+ const Standard_Boolean isInParallel)
+: myAngle (theAngl),
myDeflection (theDefle),
myWithShare (theWithShare),
- myInParallel (Standard_False),
+ myInParallel (isInParallel),
myNbLocat (0),
myRelative (theRelative),
myShapetrigu (theShapetrigu),
const Standard_Boolean theWithShare,
const Standard_Boolean theInshape,
const Standard_Boolean theRelative,
- const Standard_Boolean theShapetrigu):
- myAngle (theAngl),
+ const Standard_Boolean theShapetrigu,
+ const Standard_Boolean isInParallel)
+: myAngle (theAngl),
myDeflection (theDefle),
myWithShare (theWithShare),
- myInParallel (Standard_False),
+ myInParallel (isInParallel),
myNbLocat (0),
myRelative (theRelative),
myShapetrigu (theShapetrigu),
Standard_Integer nbVertices = myVemap.Extent();
const Standard_Real tolclass = Precision::PConfusion(); //0.03*Max(myumax-myumin, myvmax-myvmin);
- BRepMesh_ClassifierPtr classifier (
- new BRepMesh_Classifier(face, tolclass, myInternaledges, myVemap,
- myStructure, myumin, myumax, myvmin, myvmax) );
-
- myFacestate = classifier->State();
- if (myFacestate == BRepMesh_SelfIntersectingWire)
+ BRepMesh_ClassifierPtr classifier = new BRepMesh_Classifier;
{
- Standard_Integer nbmaill = 0;
- Standard_Real eps = Precision::Confusion();
- while (nbmaill < 5 && myFacestate != BRepMesh_ReMesh)
+ BRepMesh_WireChecker aDFaceChecker(face,
+ tolclass, myInternaledges, myVemap, myStructure,
+ myumin, myumax, myvmin, myvmax, myInParallel);
+ aDFaceChecker.ReCompute(classifier);
+
+ myFacestate = aDFaceChecker.Status();
+ if (myFacestate == BRepMesh_SelfIntersectingWire)
{
- nbmaill++;
-
- //clear the structure of links
- myStructure.Nullify();
- myStructure = new BRepMesh_DataStructureOfDelaun(anAlloc);
-
- myVemap.Clear();
- myLocation2d.Clear();
- myInternaledges.Clear();
-
- Standard_Integer j1;
- for(j1 = 1; j1 <= aShSeq.Length(); j1++)
+ Standard_Integer nbmaill = 0;
+ Standard_Real eps = Precision::Confusion();
+ while (nbmaill < 5 && myFacestate != BRepMesh_ReMesh)
{
- const TopoDS_Edge& edge = TopoDS::Edge(aShSeq.Value(j1));
- if (myEdges.IsBound(edge))
+ nbmaill++;
+
+ //clear the structure of links
+ myStructure.Nullify();
+ myStructure = new BRepMesh_DataStructureOfDelaun(anAlloc);
+
+ myVemap.Clear();
+ myLocation2d.Clear();
+ myInternaledges.Clear();
+
+ Standard_Integer j1;
+ for(j1 = 1; j1 <= aShSeq.Length(); j1++)
{
- myEdges.UnBind(edge);
- myInternaledges.UnBind(edge);
+ const TopoDS_Edge& edge = TopoDS::Edge(aShSeq.Value(j1));
+ if (myEdges.IsBound(edge))
+ {
+ myEdges.UnBind(edge);
+ myInternaledges.UnBind(edge);
+ }
+ }
+
+
+ for( j1 = 1; j1 <= aShSeq.Length(); j1++)
+ {
+ const TopoDS_Edge& edge = TopoDS::Edge(aShSeq.Value(j1));
+ defedge = myMapdefle(edge) / 3.;
+ defedge = Max(defedge, eps);
+ myMapdefle.Bind(edge, defedge);
+ const Handle(Geom2d_Curve)& C = aCSeq.Value(j1);
+ Add(edge, face, gFace, C, theAncestors, defedge, aFSeq.Value(j1), aLSeq.Value(j1));
}
- }
-
-
- for( j1 = 1; j1 <= aShSeq.Length(); j1++)
- {
- const TopoDS_Edge& edge = TopoDS::Edge(aShSeq.Value(j1));
- defedge = myMapdefle(edge) / 3.;
- defedge = Max(defedge, eps);
- myMapdefle.Bind(edge, defedge);
- const Handle(Geom2d_Curve)& C = aCSeq.Value(j1);
- Add(edge, face, gFace, C, theAncestors, defedge, aFSeq.Value(j1), aLSeq.Value(j1));
- }
-
- classifier.Nullify();
-
- classifier = new BRepMesh_Classifier(face, tolclass, myInternaledges, myVemap,
- myStructure, myumin, myumax, myvmin, myvmax);
- if (classifier->State() == BRepMesh_NoError)
- {
- myFacestate = BRepMesh_ReMesh;
+ aDFaceChecker.ReCompute(classifier);
+ if (aDFaceChecker.Status() == BRepMesh_NoError)
+ {
+ myFacestate = BRepMesh_ReMesh;
+ }
+ nbVertices = myVemap.Extent();
}
- nbVertices = myVemap.Extent();
}
}
#include <BRepMesh_DataMapIteratorOfDataMapOfShapePairOfPolygon.hxx>
#include <BRep_ListIteratorOfListOfPointRepresentation.hxx>
#include <BRepMesh_ClassifierPtr.hxx>
+#include <BRepMesh_Classifier.hxx>
#include <BRep_Builder.hxx>
#include <BRep_PointRepresentation.hxx>
#include <BRep_TVertex.hxx>
//function : BRepMesh_IncrementalMesh
//purpose :
//=======================================================================
-BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh (const TopoDS_Shape& theShape,
- const Standard_Real theDeflection,
+BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh (const TopoDS_Shape& theShape,
+ const Standard_Real theDeflection,
const Standard_Boolean theRelative,
- const Standard_Real theAngle,
+ const Standard_Real theAngle,
const Standard_Boolean theInParallel)
: myRelative (theRelative),
myInParallel (theInParallel)
}
//
myMesh = new BRepMesh_FastDiscret(myDeflection,
- myAngle,
- aBox,
- Standard_True,
- Standard_True,
- myRelative,
- Standard_True);
+ myAngle,
+ aBox,
+ Standard_True,
+ Standard_True,
+ myRelative,
+ Standard_True,
+ myInParallel);
//
Update(myShape);
}
TopoDS_Face F2 = TopoDS::Face(it.Value());
if (!MShape.Contains(F2)) {
MShape.Add(F2);
- T = BRep_Tool::Triangulation(F2, l);
+ T = BRep_Tool::Triangulation(F2, l);
if (!T.IsNull()) {
#ifdef DEB_MESH
cout <<"triangulation a refaire" <<endl;
--- /dev/null
+// Created on: 2014-06-03
+// Created by: Oleg AGASHIN
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BRepMesh_WireChecker.hxx>
+
+#include <Precision.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+#include <gp_Pnt2d.hxx>
+#include <BRepTools_WireExplorer.hxx>
+#include <TopAbs_Orientation.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <Poly_PolygonOnTriangulation.hxx>
+#include <BRepMesh_PairOfPolygon.hxx>
+#include <BRepMesh_DataMapOfShapePairOfPolygon.hxx>
+#include <TColStd_SequenceOfInteger.hxx>
+#include <TColStd_IndexedMapOfInteger.hxx>
+#include <BRepMesh_DataStructureOfDelaun.hxx>
+#include <BRepMesh_Classifier.hxx>
+#include <BRepMesh_WireInterferenceChecker.hxx>
+
+#ifdef HAVE_TBB
+ // paralleling using Intel TBB
+ #include <tbb/parallel_for.h>
+ #include <tbb/blocked_range.h>
+#endif
+
+//=======================================================================
+//function : Selector::Constructor
+//purpose :
+//=======================================================================
+BRepMesh_WireChecker::BndBox2dTreeSelector::BndBox2dTreeSelector(
+ const Standard_Integer theReservedSize)
+ : mySkippedIndex(-1),
+ myIndices(0, theReservedSize - 1),
+ myIndicesNb(0)
+{
+}
+
+//=======================================================================
+//function : Reject
+//purpose :
+//=======================================================================
+Standard_Boolean BRepMesh_WireChecker::BndBox2dTreeSelector::Reject(
+ const Bnd_Box2d& theBox2D) const
+{
+ return myBox2D.IsOut(theBox2D);
+}
+
+//=======================================================================
+//function : Accept
+//purpose :
+//=======================================================================
+Standard_Boolean BRepMesh_WireChecker::BndBox2dTreeSelector::Accept(
+ const Standard_Integer& theIndex)
+{
+ if (theIndex <= mySkippedIndex)
+ return Standard_False;
+
+ myIndices(myIndicesNb++) = theIndex;
+ return Standard_True;
+}
+
+//=======================================================================
+//function : Clear
+//purpose :
+//=======================================================================
+void BRepMesh_WireChecker::BndBox2dTreeSelector::Clear()
+{
+ mySkippedIndex = -1;
+ myIndicesNb = 0;
+}
+
+//=======================================================================
+//function : SetBox
+//purpose :
+//=======================================================================
+void BRepMesh_WireChecker::BndBox2dTreeSelector::SetBox(
+ const Bnd_Box2d& theBox2D)
+{
+ myBox2D = theBox2D;
+}
+
+//=======================================================================
+//function : Clear
+//purpose :
+//=======================================================================
+void BRepMesh_WireChecker::BndBox2dTreeSelector::SetSkippedIndex(
+ const Standard_Integer theIndex)
+{
+ mySkippedIndex = theIndex;
+}
+
+//=======================================================================
+//function : Indices
+//purpose :
+//=======================================================================
+const BRepMesh_WireChecker::ArrayOfInteger&
+ BRepMesh_WireChecker::BndBox2dTreeSelector::Indices() const
+{
+ return myIndices;
+}
+
+//=======================================================================
+//function : IndicesNb
+//purpose :
+//=======================================================================
+Standard_Integer BRepMesh_WireChecker::BndBox2dTreeSelector::IndicesNb() const
+{
+ return myIndicesNb;
+}
+
+//=======================================================================
+//function : Constructor
+//purpose :
+//=======================================================================
+BRepMesh_WireChecker::BRepMesh_WireChecker(
+ const TopoDS_Face& theFace,
+ const Standard_Real theTolUV,
+ const BRepMesh_DataMapOfShapePairOfPolygon& theEdges,
+ const TColStd_IndexedMapOfInteger& theVertexMap,
+ const Handle(BRepMesh_DataStructureOfDelaun)& theStructure,
+ const Standard_Real theUmin,
+ const Standard_Real theUmax,
+ const Standard_Real theVmin,
+ const Standard_Real theVmax,
+ const Standard_Boolean isInParallel)
+ : myTolUV(theTolUV),
+ myEdges(theEdges),
+ myVertexMap(theVertexMap),
+ myStructure(theStructure),
+ myUmin(theUmin),
+ myUmax(theUmax),
+ myVmin(theVmin),
+ myVmax(theVmax),
+ myStatus(BRepMesh_NoError),
+ myIsInParallel(isInParallel)
+{
+ TopoDS_Face aFace = theFace;
+ aFace.Orientation(TopAbs_FORWARD);
+
+ TopoDS_Iterator aFaceExplorer(aFace);
+ for (; aFaceExplorer.More(); aFaceExplorer.Next())
+ {
+ const TopoDS_Shape& aWire = aFaceExplorer.Value();
+ if (aWire.ShapeType() != TopAbs_WIRE)
+ continue;
+
+ myWiresEdges.push_back(ListOfEdges());
+ ListOfEdges& aEdges = myWiresEdges.back();
+
+ // Start traversing the wires
+ BRepTools_WireExplorer aWireExplorer(TopoDS::Wire(aWire), aFace);
+ for (; aWireExplorer.More(); aWireExplorer.Next())
+ {
+ const TopoDS_Edge& aEdge = aWireExplorer.Current();
+ TopAbs_Orientation aOrient = aEdge.Orientation();
+ if (aOrient != TopAbs_FORWARD && aOrient != TopAbs_REVERSED)
+ continue;
+
+ aEdges.Append(aEdge);
+ }
+
+ if (aEdges.IsEmpty())
+ myWiresEdges.pop_back();
+ }
+}
+
+//=======================================================================
+//function : ReCompute
+//purpose :
+//=======================================================================
+void BRepMesh_WireChecker::ReCompute(BRepMesh_ClassifierPtr& theClassifier)
+{
+ if (theClassifier.IsNull())
+ return;
+
+ theClassifier->Destroy();
+ myStatus = BRepMesh_NoError;
+
+ SeqOfDWires aDWires;
+ if (!collectDiscretizedWires(aDWires))
+ return;
+
+ const Standard_Integer aNbWires = aDWires.size();
+
+ std::vector<SegmentsTree> aWiresBiPoints(aNbWires);
+ fillSegmentsTree(aDWires, aWiresBiPoints);
+
+#ifdef HAVE_TBB
+ Standard_Mutex aWireMutex;
+ BRepMesh_WireInterferenceChecker aIntChecker(aWiresBiPoints,
+ &myStatus, &aWireMutex);
+
+ if (myIsInParallel && aNbWires > 1)
+ {
+ // check wires in parallel threads using TBB
+ tbb::parallel_for(tbb::blocked_range<Standard_Integer>(0, aNbWires),
+ aIntChecker);
+ }
+ else
+ {
+#else
+ BRepMesh_WireInterferenceChecker aIntChecker(aWiresBiPoints, &myStatus);
+#endif
+ for (Standard_Integer i = 0; i < aNbWires; ++i)
+ aIntChecker(i);
+#ifdef HAVE_TBB
+ }
+#endif
+
+ if (myStatus == BRepMesh_SelfIntersectingWire)
+ return;
+
+ // Find holes
+ SeqOfDWires::iterator aDWiresIt = aDWires.begin();
+ for (; aDWiresIt != aDWires.end(); ++aDWiresIt)
+ {
+ const SeqOfPnt2d& aDWire = *aDWiresIt;
+ theClassifier->RegisterWire(aDWire, myTolUV, myUmin, myUmax, myVmin, myVmax);
+ }
+}
+
+//=======================================================================
+//function : collectDiscretizedWires
+//purpose :
+//=======================================================================
+Standard_Boolean BRepMesh_WireChecker::collectDiscretizedWires(
+ SeqOfDWires& theDWires)
+{
+ // TODO: Collect disretized wires in parallel
+ SeqOfWireEdges::iterator aWireIt = myWiresEdges.begin();
+ for(; aWireIt != myWiresEdges.end(); ++aWireIt)
+ {
+ const ListOfEdges& aEdges = *aWireIt;
+ // For each wire we create a data map, linking vertices (only
+ // the ends of edges) with their positions in the sequence of
+ // all 2d points from this wire.
+ // When we meet some vertex for the second time - the piece
+ // of sequence is treated for a HOLE and quits the sequence.
+ // Actually, we must unbind the vertices belonging to the
+ // loop from the map, but since they can't appear twice on the
+ // valid wire, leave them for a little speed up.
+
+ SeqOfPnt2d aSeqPnt2d;
+ DataMapIntInt aNodeInSeq;
+ Standard_Integer aFirstIndex = 0, aLastIndex = 0;
+
+ // Start traversing the wire
+ ListOfEdges::Iterator aEdgeIt(aEdges);
+ for (; aEdgeIt.More(); aEdgeIt.Next())
+ {
+ const TopoDS_Edge& aEdge = aEdgeIt.Value();
+ TopAbs_Orientation aOrient = aEdge.Orientation();
+ if (!myEdges.IsBound(aEdge))
+ continue;
+
+ // Retrieve polygon
+ // Define the direction for adding points to aSeqPnt2d
+ Standard_Integer aStartId, aEndId, aIncrement;
+ const BRepMesh_PairOfPolygon& aPair = myEdges.Find(aEdge);
+ Handle(Poly_PolygonOnTriangulation) aNOD;
+ if (aOrient == TopAbs_FORWARD)
+ {
+ aNOD = aPair.First();
+ aStartId = 1;
+ aEndId = aNOD->NbNodes();
+ aIncrement = 1;
+ }
+ else
+ {
+ aNOD = aPair.Last();
+ aStartId = aNOD->NbNodes();
+ aEndId = 1;
+ aIncrement = -1;
+ }
+
+ const TColStd_Array1OfInteger& aIndices = aNOD->Nodes();
+ const Standard_Integer aFirstVertexId = myVertexMap.FindKey(aIndices(aStartId));
+ const Standard_Integer aLastVertexId = myVertexMap.FindKey(aIndices(aEndId) );
+
+ if (aFirstVertexId == aLastVertexId && (aEndId - aStartId) == aIncrement)
+ {
+ // case of continuous set of degenerated edges
+ aLastIndex = aLastVertexId;
+ continue;
+ }
+
+ if (aFirstIndex != 0)
+ {
+ if (aFirstVertexId != aLastIndex)
+ {
+ // there's a gap between edges
+ myStatus = BRepMesh_OpenWire;
+ return Standard_False;
+ }
+ }
+ else
+ aFirstIndex = aFirstVertexId;
+
+ aLastIndex = aLastVertexId;
+
+ // Record first vertex (to detect loops)
+ aNodeInSeq.Bind(aFirstVertexId, (aSeqPnt2d.Length() + 1));
+
+ // Add vertices in sequence
+ for (Standard_Integer i = aStartId; i != aEndId; i += aIncrement)
+ {
+ Standard_Integer aIndex = ((i == aStartId) ?
+ aFirstVertexId :
+ myVertexMap.FindKey(aIndices(i)));
+
+ aSeqPnt2d.Append(gp_Pnt2d(myStructure->GetNode(aIndex).Coord()));
+ }
+
+ // Now, is there a loop?
+ if (aNodeInSeq.IsBound(aLastVertexId))
+ {
+ // Yes, treat it separately as a hole
+ // Divide points into main wire and a loop
+ const Standard_Integer aIdxWireStart = aNodeInSeq(aLastVertexId);
+ if(aIdxWireStart < aSeqPnt2d.Length())
+ {
+ theDWires.push_back(SeqOfPnt2d());
+ SeqOfPnt2d& aWire = theDWires.back();
+ aSeqPnt2d.Split(aIdxWireStart, aWire);
+ }
+ }
+ }
+
+ if (aFirstIndex == 0)
+ continue;
+
+ // Isn't wire open?
+ if (aFirstIndex != aLastIndex || aSeqPnt2d.Length() > 1)
+ {
+ myStatus = BRepMesh_OpenWire;
+ return Standard_False;
+ }
+ }
+
+ return Standard_True;
+}
+
+//=======================================================================
+//function : fillSegmentsTree
+//purpose :
+//=======================================================================
+void BRepMesh_WireChecker::fillSegmentsTree(
+ const SeqOfDWires& theDWires,
+ std::vector<SegmentsTree>& theWiresSegmentsTree)
+{
+ const Standard_Integer aNbWires = theDWires.size();
+ for (Standard_Integer aWireIt = 0; aWireIt < aNbWires; ++aWireIt)
+ {
+ const SeqOfPnt2d& aWire = theDWires[aWireIt];
+ const Standard_Integer aWireLen = aWire.Size();
+
+ HArrayOfSegments aWireSegments = new ArrayOfSegments(aWireLen);
+ HBndBox2dTree aBndBoxTree = new BndBox2dTree;
+ BndBox2dTreeFiller aBndBoxTreeFiller(*aBndBoxTree);
+
+ Standard_Real x1 = 0., y1 = 0., aXstart = 0., aYstart = 0.;
+ for (Standard_Integer aPntIt = 0; aPntIt <= aWireLen; ++aPntIt)
+ {
+ Standard_Real x2, y2;
+ // Obtain last point of the segment
+ if (aPntIt == aWireLen)
+ {
+ x2 = aXstart;
+ y2 = aYstart;
+ }
+ else
+ {
+ const gp_Pnt2d& aPnt = aWire(aPntIt + 1);
+ x2 = aPnt.X();
+ y2 = aPnt.Y();
+ }
+
+ // Build segment (bi-point)
+ if (aPntIt == 0)
+ {
+ aXstart = x2;
+ aYstart = y2;
+ }
+ else
+ {
+ gp_Pnt2d aStartPnt(x1, y1);
+ gp_Pnt2d aEndPnt(x2, y2);
+
+ const Standard_Integer aPointId = aPntIt - 1;
+ Segment& aSegment = aWireSegments->at(aPointId);
+ aSegment.StartPnt = aStartPnt.XY();
+ aSegment.EndPnt = aEndPnt.XY();
+
+ Bnd_Box2d aBox;
+ aBox.Add(aStartPnt);
+ aBox.Add( aEndPnt);
+ aBndBoxTreeFiller.Add(aPointId, aBox);
+ }
+ x1 = x2;
+ y1 = y2;
+ }
+ aBndBoxTreeFiller.Fill();
+
+ SegmentsTree& aSegmentsTree = theWiresSegmentsTree[aWireIt];
+ aSegmentsTree.first = aWireSegments;
+ aSegmentsTree.second = aBndBoxTree;
+ }
+}
--- /dev/null
+// Created on: 2014-06-03
+// Created by: Oleg AGASHIN
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BRepMesh_WireChecker_HeaderFile
+#define _BRepMesh_WireChecker_HeaderFile
+
+#include <Standard.hxx>
+#include <TopoDS_Face.hxx>
+#include <BRepMesh_Status.hxx>
+#include <Handle_BRepMesh_DataStructureOfDelaun.hxx>
+#include <BRepMesh_ClassifierPtr.hxx>
+#include <NCollection_Sequence.hxx>
+#include <NCollection_List.hxx>
+#include <NCollection_DataMap.hxx>
+#include <NCollection_EBTree.hxx>
+#include <NCollection_UBTreeFiller.hxx>
+#include <NCollection_Handle.hxx>
+#include <NCollection_Array1.hxx>
+#include <TopoDS_Edge.hxx>
+#include <Bnd_Box2d.hxx>
+#include <gp_Pnt2d.hxx>
+#include <gp_XY.hxx>
+
+#include <vector>
+
+class BRepMesh_DataMapOfShapePairOfPolygon;
+class TColStd_IndexedMapOfInteger;
+class BRepMesh_DataStructureOfDelaun;
+
+//! Auxilary class intended to check correctness of discretized face.
+//! In particular, checks boundaries of discretized face for self
+//! intersections and gaps.
+class BRepMesh_WireChecker
+{
+public:
+
+ //! Structure keeping parameters of segment.
+ struct Segment
+ {
+ gp_XY StartPnt;
+ gp_XY EndPnt;
+ };
+
+ typedef NCollection_EBTree<Standard_Integer, Bnd_Box2d> BndBox2dTree;
+ typedef NCollection_UBTreeFiller<Standard_Integer, Bnd_Box2d> BndBox2dTreeFiller;
+ typedef NCollection_Array1<Standard_Integer> ArrayOfInteger;
+ typedef std::vector<Segment> ArrayOfSegments;
+ typedef NCollection_Handle<ArrayOfSegments> HArrayOfSegments;
+ typedef NCollection_Handle<BndBox2dTree> HBndBox2dTree;
+ typedef std::pair<HArrayOfSegments, HBndBox2dTree> SegmentsTree;
+
+ //! Selector.
+ //! Used to identify segments with overlapped bounding boxes.
+ //! Note that instance of selector can be used only once due to
+ //! unextentable array of indices.
+ class BndBox2dTreeSelector : public BndBox2dTree::Selector
+ {
+ public:
+ Standard_EXPORT BndBox2dTreeSelector(const Standard_Integer theReservedSize);
+ Standard_EXPORT virtual Standard_Boolean Reject(const Bnd_Box2d& theBox2D) const;
+ Standard_EXPORT virtual Standard_Boolean Accept(const Standard_Integer& theIndex);
+
+ Standard_EXPORT void Clear();
+ Standard_EXPORT void SetBox(const Bnd_Box2d& theBox2D);
+ Standard_EXPORT void SetSkippedIndex(const Standard_Integer theIndex);
+ Standard_EXPORT const ArrayOfInteger& Indices() const;
+ Standard_EXPORT Standard_Integer IndicesNb() const;
+
+ protected:
+ Bnd_Box2d myBox2D;
+ Standard_Integer mySkippedIndex;
+ ArrayOfInteger myIndices;
+ Standard_Integer myIndicesNb;
+ };
+
+private:
+
+ typedef NCollection_List<TopoDS_Edge> ListOfEdges;
+ typedef std::vector<ListOfEdges> SeqOfWireEdges;
+ typedef NCollection_Sequence<gp_Pnt2d> SeqOfPnt2d;
+ typedef std::vector<SeqOfPnt2d> SeqOfDWires;
+ typedef NCollection_DataMap<Standard_Integer, Standard_Integer> DataMapIntInt;
+ typedef std::pair<Standard_Integer, gp_XY> PairIntPnt;
+
+public:
+
+ //! Constructor.
+ //! \param theFace Face to be checked.
+ //! \param theTolUV Tolerance to be used for calculations in parametric space.
+ //! \param theEdges Map of edges with associated polygon on triangulation.
+ //! \param theVertexMap Map of face vertices.
+ //! \param theStructure Discretized representation of face in parametric space.
+ //! \param theUmin Lower U boundary of the face in parametric space.
+ //! \param theUmax Upper U boundary of the face in parametric space.
+ //! \param theVmin Lower V boundary of the face in parametric space.
+ //! \param theVmax Upper V boundary of the face in parametric space.
+ Standard_EXPORT BRepMesh_WireChecker(
+ const TopoDS_Face& theFace,
+ const Standard_Real theTolUV,
+ const BRepMesh_DataMapOfShapePairOfPolygon& theEdges,
+ const TColStd_IndexedMapOfInteger& theVertexMap,
+ const Handle(BRepMesh_DataStructureOfDelaun)& theStructure,
+ const Standard_Real theUmin,
+ const Standard_Real theUmax,
+ const Standard_Real theVmin,
+ const Standard_Real theVmax,
+ const Standard_Boolean isInParallel);
+
+ //! Recompute data using parameters passed in constructor.
+ //! \param[out] theClassifier Classifier to be updated using calculated data.
+ Standard_EXPORT void ReCompute(BRepMesh_ClassifierPtr& theClassifier);
+
+ //! Returns status of the check.
+ inline BRepMesh_Status Status() const
+ {
+ return myStatus;
+ }
+
+private:
+
+ //! Collects disñrete wires.
+ //! \param[out] theDWires sequence of discretized wires to be filled.
+ //! \return TRUE on success, FALSE in case of open wire.
+ Standard_Boolean collectDiscretizedWires(SeqOfDWires& theDWires);
+
+ //! Fills array of BiPoints for corresponding wire.
+ //! \param theDWires Sequence of wires to be processed.
+ //! \param theWiresSegmentsTree Array of segments with corresponding
+ //! bounding boxes trees to be filled.
+ void fillSegmentsTree(
+ const SeqOfDWires& theDWires,
+ std::vector<SegmentsTree>& theWiresSegmentsTree);
+
+ //! Assignment operator.
+ void operator =(BRepMesh_WireChecker& /*theOther*/)
+ {
+ }
+
+private:
+
+ const Standard_Real myTolUV;
+ const BRepMesh_DataMapOfShapePairOfPolygon& myEdges;
+ const TColStd_IndexedMapOfInteger& myVertexMap;
+ const Handle(BRepMesh_DataStructureOfDelaun)& myStructure;
+ const Standard_Real myUmin;
+ const Standard_Real myUmax;
+ const Standard_Real myVmin;
+ const Standard_Real myVmax;
+ BRepMesh_Status myStatus;
+ SeqOfWireEdges myWiresEdges;
+ Standard_Boolean myIsInParallel;
+};
+
+#endif
--- /dev/null
+// Created on: 2014-06-18
+// Created by: Oleg AGASHIN
+// Copyright (c) 2011-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <BRepMesh_WireInterferenceChecker.hxx>
+#include <Precision.hxx>
+
+// TODO: remove this variable after implementation of LoopChecker2d.
+static const Standard_Real MIN_LOOP_S = 2 * M_PI * 2.E-5;
+
+#ifdef HAVE_TBB
+//=======================================================================
+//function : Constructor
+//purpose :
+//=======================================================================
+BRepMesh_WireInterferenceChecker::BRepMesh_WireInterferenceChecker(
+ const std::vector<BRepMesh_WireChecker::SegmentsTree>& theWires,
+ BRepMesh_Status* theStatus,
+ Standard_Mutex* theMutex)
+ : myWires(&theWires.front()),
+ myWiresNb(theWires.size()),
+ myStatus(theStatus),
+ myMutex(theMutex)
+{
+}
+
+//=======================================================================
+//function : Checker's body
+//purpose :
+//=======================================================================
+void BRepMesh_WireInterferenceChecker::operator ()(
+ const tbb::blocked_range<Standard_Integer>& theWireRange) const
+{
+ for (Standard_Integer i = theWireRange.begin(); i != theWireRange.end(); ++i)
+ this->operator ()(i);
+}
+#else
+//=======================================================================
+//function : Constructor
+//purpose :
+//=======================================================================
+BRepMesh_WireInterferenceChecker::BRepMesh_WireInterferenceChecker(
+ const std::vector<BRepMesh_WireChecker::SegmentsTree>& theWires,
+ BRepMesh_Status* theStatus)
+ : myWires(&theWires.front()),
+ myWiresNb(theWires.size()),
+ myStatus(theStatus)
+{
+}
+#endif
+
+//=======================================================================
+//function : Checker's body
+//purpose :
+//=======================================================================
+void BRepMesh_WireInterferenceChecker::operator ()(
+ const Standard_Integer& theWireId) const
+{
+ if (*myStatus == BRepMesh_SelfIntersectingWire)
+ return;
+
+ const BRepMesh_WireChecker::SegmentsTree& aWireSegTree1 = myWires[theWireId];
+ const BRepMesh_WireChecker::Segment* aWireSegments1 = &aWireSegTree1.first->front();
+ const BRepMesh_WireChecker::HBndBox2dTree& aWireBoxTree1 = aWireSegTree1.second;
+ const Standard_Integer aWireLen1 = aWireSegTree1.first->size();
+
+ for (Standard_Integer aWireIt = theWireId; aWireIt < myWiresNb; ++aWireIt)
+ {
+#ifdef HAVE_TBB
+ // Break execution in case if flag was raised by another thread
+ if (*myStatus == BRepMesh_SelfIntersectingWire)
+ return;
+#endif
+
+ const Standard_Boolean isSelfIntCheck = (aWireIt == theWireId);
+ const BRepMesh_WireChecker::SegmentsTree& aWireSegTree2 =
+ isSelfIntCheck ? aWireSegTree1 : myWires[aWireIt];
+
+ const BRepMesh_WireChecker::Segment* aWireSegments2 = &aWireSegTree2.first->front();
+ const BRepMesh_WireChecker::HBndBox2dTree& aWireBoxTree2 = aWireSegTree2.second;
+
+ BRepMesh_WireChecker::BndBox2dTreeSelector aSelector(aWireSegTree2.first->size());
+ for (Standard_Integer aSegmentId1 = 0; aSegmentId1 < aWireLen1; ++aSegmentId1)
+ {
+#ifdef HAVE_TBB
+ // Break execution in case if flag was raised by another thread
+ if (*myStatus == BRepMesh_SelfIntersectingWire)
+ return;
+#endif
+
+ aSelector.Clear();
+ aSelector.SetBox(aWireBoxTree1->FindNode(aSegmentId1).Bnd());
+ if (isSelfIntCheck)
+ aSelector.SetSkippedIndex(aSegmentId1);
+
+ if (aWireBoxTree2->Select(aSelector) == 0)
+ continue;
+
+ const BRepMesh_WireChecker::Segment& aSegment1 = aWireSegments1[aSegmentId1];
+ const BRepMesh_WireChecker::ArrayOfInteger& aSelected = aSelector.Indices();
+ const Standard_Integer aSelectedNb = aSelector.IndicesNb();
+ for (Standard_Integer aBndIt = 0; aBndIt < aSelectedNb; ++aBndIt)
+ {
+#ifdef HAVE_TBB
+ // Break execution in case if flag was raised by another thread
+ if (*myStatus == BRepMesh_SelfIntersectingWire)
+ return;
+#endif
+
+ const Standard_Integer aSegmentId2 = aSelected(aBndIt);
+ const BRepMesh_WireChecker::Segment& aSegment2 = aWireSegments2[aSegmentId2];
+
+ gp_Pnt2d aIntPnt;
+ BRepMesh_WireInterferenceChecker::IntFlag aIntStatus = Intersect(
+ aSegment1.StartPnt, aSegment1.EndPnt,
+ aSegment2.StartPnt, aSegment2.EndPnt,
+ Standard_False, Standard_False,
+ aIntPnt);
+
+ if (aIntStatus == Cross)
+ {
+ // TODO: remove this block after implementation of LoopChecker2d.
+ if (isSelfIntCheck)
+ {
+ gp_XY aPrevVec;
+ Standard_Real aSumS = 0.;
+ const gp_XY& aRefPnt = aIntPnt.Coord();
+ for (Standard_Integer i = aSegmentId1; i < aSegmentId2; ++i)
+ {
+ const BRepMesh_WireChecker::Segment& aSeg = aWireSegments1[i];
+ gp_XY aCurVec = aSeg.EndPnt - aRefPnt;
+
+ if (aCurVec.SquareModulus() < gp::Resolution())
+ continue;
+
+ if (aPrevVec.SquareModulus() > gp::Resolution())
+ aSumS += aPrevVec ^ aCurVec;
+
+ aPrevVec = aCurVec;
+ }
+
+ if (Abs(aSumS / 2.) < MIN_LOOP_S)
+ continue;
+ }
+
+#ifdef HAVE_TBB
+ Standard_Mutex::Sentry aSentry(myMutex);
+#endif
+ *myStatus = BRepMesh_SelfIntersectingWire;
+ return;
+ }
+ }
+ }
+ }
+}
+
+//=============================================================================
+//function : Intersect
+//purpose :
+//=============================================================================
+BRepMesh_WireInterferenceChecker::IntFlag
+ BRepMesh_WireInterferenceChecker::Intersect(
+ const gp_XY& theStartPnt1,
+ const gp_XY& theEndPnt1,
+ const gp_XY& theStartPnt2,
+ const gp_XY& theEndPnt2,
+ const Standard_Boolean isConsiderEndPointTouch,
+ const Standard_Boolean isConsiderPointOnSegment,
+ gp_Pnt2d& theIntPnt)
+{
+ Standard_Integer aPointHash[] = {
+ classifyPoint(theStartPnt1, theEndPnt1, theStartPnt2),
+ classifyPoint(theStartPnt1, theEndPnt1, theEndPnt2 ),
+ classifyPoint(theStartPnt2, theEndPnt2, theStartPnt1),
+ classifyPoint(theStartPnt2, theEndPnt2, theEndPnt1 )
+ };
+
+ // Consider case when edges have shared vertex
+ if ( isConsiderEndPointTouch )
+ {
+ if ( aPointHash[0] < 0 || aPointHash[1] < 0 )
+ return BRepMesh_WireInterferenceChecker::EndPointTouch;
+ }
+
+ Standard_Integer aPosHash =
+ aPointHash[0] + aPointHash[1] + aPointHash[2] + aPointHash[3];
+
+ /*=========================================*/
+ /* 1) hash code == 1:
+
+ 0+
+ /
+ 0 1/ 0
+ +======+==========+
+
+ 2) hash code == 2:
+
+ 0 1 1 0
+ a) +----+========+---+
+
+ 0 1 1 0
+ b) +-------+===+=====+
+
+ */
+ /*=========================================*/
+ if ( aPosHash == 1 )
+ {
+ if (isConsiderPointOnSegment)
+ {
+ if (aPointHash[0] == 1)
+ theIntPnt = theStartPnt1;
+ else if (aPointHash[1] == 1)
+ theIntPnt = theEndPnt1;
+ else if (aPointHash[2] == 1)
+ theIntPnt = theStartPnt2;
+ else
+ theIntPnt = theEndPnt2;
+
+ return BRepMesh_WireInterferenceChecker::PointOnSegment;
+ }
+
+ return BRepMesh_WireInterferenceChecker::NoIntersection;
+ }
+ else if ( aPosHash == 2 )
+ return BRepMesh_WireInterferenceChecker::Glued;
+
+ gp_XY aVec1 = theEndPnt1 - theStartPnt1;
+ gp_XY aVec2 = theEndPnt2 - theStartPnt2;
+ gp_XY aVecStartPoints = theStartPnt2 - theStartPnt1;
+
+ Standard_Real aCrossD1D2 = aVec1 ^ aVec2;
+ Standard_Real aCrossD1D3 = aVecStartPoints ^ aVec2;
+
+ const Standard_Real aPrec = Precision::PConfusion();
+ // Are edgegs codirectional
+ if ( Abs( aCrossD1D2 ) < aPrec )
+ {
+ // Just a parallel case?
+ if( Abs( aCrossD1D3 ) < aPrec )
+ {
+ /*=========================================*/
+ /* Here the following cases are possible:
+ 1) hash code == -4:
+
+ -1 -1
+ +=================+
+ -1 -1
+
+ 2) hash code == -2:
+
+ 0 -1 0
+ +--------+========+
+ -1
+
+ 3) hash code == -1:
+
+ 0 1 -1
+ +--------+========+
+ -1
+
+ 4) hash code == 0:
+
+ 0 0 0 0
+ +------+ +=======+
+ 0 0 0 0
+ */
+ /*=========================================*/
+
+ if ( aPosHash < -2 )
+ return BRepMesh_WireInterferenceChecker::Same;
+ else if ( aPosHash == -1 )
+ return BRepMesh_WireInterferenceChecker::Glued;
+
+ return BRepMesh_WireInterferenceChecker::NoIntersection;
+ }
+ else
+ return BRepMesh_WireInterferenceChecker::NoIntersection;
+ }
+
+ Standard_Real aPar = aCrossD1D3 / aCrossD1D2;
+ const Standard_Real aEndPrec = 1 - aPrec;
+
+ // Intersection is out of first segment range
+ if( aPar < aPrec || aPar > aEndPrec )
+ return BRepMesh_WireInterferenceChecker::NoIntersection;
+
+ Standard_Real aCrossD2D3 = aVecStartPoints.Reversed() ^ aVec1;
+ aPar = aCrossD2D3 / -aCrossD1D2;
+
+ // Intersection is out of second segment range
+ if( aPar < aPrec || aPar > aEndPrec )
+ return BRepMesh_WireInterferenceChecker::NoIntersection;
+
+ theIntPnt = theStartPnt2 + aPar * aVec2;
+ return BRepMesh_WireInterferenceChecker::Cross;
+}
+
+//=============================================================================
+//function : classifyPoint
+//purpose :
+//=============================================================================
+Standard_Integer BRepMesh_WireInterferenceChecker::classifyPoint(
+ const gp_XY& thePoint1,
+ const gp_XY& thePoint2,
+ const gp_XY& thePointToCheck)
+{
+ gp_XY aP1 = thePoint2 - thePoint1;
+ gp_XY aP2 = thePointToCheck - thePoint1;
+
+ const Standard_Real aPrec = Precision::PConfusion();
+ const Standard_Real aSqPrec = aPrec * aPrec;
+ Standard_Real aDist = Abs(aP1 ^ aP2);
+ if (aDist > aPrec)
+ {
+ aDist = (aDist * aDist) / aP1.SquareModulus();
+ if (aDist > aSqPrec)
+ return 0; //out
+ }
+
+ gp_XY aMult = aP1.Multiplied(aP2);
+ if ( aMult.X() < 0.0 || aMult.Y() < 0.0 )
+ return 0; //out
+
+ if (aP1.SquareModulus() < aP2.SquareModulus())
+ return 0; //out
+
+ if (thePointToCheck.IsEqual(thePoint1, aPrec) ||
+ thePointToCheck.IsEqual(thePoint2, aPrec))
+ {
+ return -1; //coinsides with an end point
+ }
+
+ return 1;
+}
--- /dev/null
+// Created on: 2014-06-18
+// Created by: Oleg AGASHIN
+// Copyright (c) 2011-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BRepMesh_WireInterferenceChecker_HeaderFile
+#define _BRepMesh_WireInterferenceChecker_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Mutex.hxx>
+#include <BRepMesh_WireChecker.hxx>
+#include <BRepMesh_Status.hxx>
+
+#ifdef HAVE_TBB
+ // paralleling using Intel TBB
+ #include <tbb/blocked_range.h>
+#endif
+
+//! Auxilary class implementing functionality for
+//! checking interference between two discretized wires.
+class BRepMesh_WireInterferenceChecker
+{
+public:
+
+ //! Enumerates states of segments intersection check.
+ enum IntFlag
+ {
+ NoIntersection,
+ Cross,
+ EndPointTouch,
+ PointOnSegment,
+ Glued,
+ Same
+ };
+
+#ifdef HAVE_TBB
+ //! Constructor
+ //! \param theWires wires that should be checked.
+ //! \param theStatus shared flag to set status of the check.
+ //! \param theMutex shared mutex for parallel processing.
+ BRepMesh_WireInterferenceChecker(
+ const std::vector<BRepMesh_WireChecker::SegmentsTree>& theWires,
+ BRepMesh_Status* theStatus,
+ Standard_Mutex* theMutex);
+
+ //! Checker's body.
+ //! \param theWireRange range of wires to be checked.
+ void operator ()(const tbb::blocked_range<Standard_Integer>& theWireRange) const;
+#else
+ //! Constructor
+ //! \param theWires wires that should be checked.
+ //! \param theStatus shared flag to set status of the check.
+ BRepMesh_WireInterferenceChecker(
+ const std::vector<BRepMesh_WireChecker::SegmentsTree>& theWires,
+ BRepMesh_Status* theStatus);
+#endif
+
+ //! Checker's body.
+ //! \param theWireId Id of discretized wire to be checked.
+ void operator ()(const Standard_Integer& theWireId) const;
+
+ //! Checks intersection between the two segments.
+ //! \param theStartPnt1 start point of first segment.
+ //! \param theEndPnt1 end point of first segment.
+ //! \param theStartPnt2 start point of second segment.
+ //! \param theEndPnt2 end point of second segment.
+ //! \param isConsiderEndPointTouch if TRUE EndPointTouch status will be
+ //! returned in case if segments are touching by end points, if FALSE
+ //! returns NoIntersection flag.
+ //! \param isConsiderPointOnSegment if TRUE PointOnSegment status will be
+ //! returned in case if end point of one segment lies onto another one,
+ //! if FALSE returns NoIntersection flag.
+ //! \param[out] theIntPnt point of intersection.
+ //! \return status of intersection check.
+ static IntFlag Intersect(const gp_XY& theStartPnt1,
+ const gp_XY& theEndPnt1,
+ const gp_XY& theStartPnt2,
+ const gp_XY& theEndPnt2,
+ const Standard_Boolean isConsiderEndPointTouch,
+ const Standard_Boolean isConsiderPointOnSegment,
+ gp_Pnt2d& theIntPnt);
+
+private:
+
+ //! Classifies the point in case of coincidence of two vectors.
+ //! \param thePoint1 the start point of a segment (base point).
+ //! \param thePoint2 the end point of a segment.
+ //! \param thePointToCheck the point to classify.
+ //! \return zero value if point is out of segment and non zero value
+ //! if point is between the first and the second point of segment.
+ static Standard_Integer classifyPoint (const gp_XY& thePoint1,
+ const gp_XY& thePoint2,
+ const gp_XY& thePointToCheck);
+private:
+ const BRepMesh_WireChecker::SegmentsTree* myWires;
+ Standard_Integer myWiresNb;
+ BRepMesh_Status* myStatus;
+
+#ifdef HAVE_TBB
+ Standard_Mutex* myMutex;
+#endif
+};
+
+#endif
BRepMesh_PluginMacro.hxx
BRepMesh_Triangle.hxx
BRepMesh_Triangle.cxx
+BRepMesh_Classifier.hxx
+BRepMesh_Classifier.cxx
BRepMesh_ClassifierPtr.hxx
+BRepMesh_WireInterferenceChecker.hxx
+BRepMesh_WireInterferenceChecker.cxx
+BRepMesh_WireChecker.hxx
+BRepMesh_WireChecker.cxx
BRepMesh_CellFilter.hxx
BRepMesh_Delaun.hxx
BRepMesh_Delaun.cxx
UBTree::Add (theObj, theBnd);
// Update the map
- TreeNode& aNewNode = ChangeLastNode();
+ TreeNode& aNewNode = this->ChangeLastNode();
myObjNodeMap.Bind (theObj, &aNewNode);
// If the new node is not the root (has a parent) check the neighbour node
if (!aNewNode.IsRoot()) {
--- /dev/null
+puts "=========="
+puts "OCC24968"
+puts "=========="
+puts ""
+#####################################
+# Impove BRepMesh_Classifier to cope with intersection of huge number of wires
+#####################################
+
+restore [locate_data_file bug24968_Shape_1.brep] result
+
+tclean result
+dchrono h reset
+dchrono h start
+incmesh result 0.1 0
+dchrono h stop
+
+set info [dchrono h show]
+regexp {CPU user time: ([-0-9.+eE]+) seconds} ${info} full cpu_time
+
+if { [regexp {Debug mode} [dversion]] } {
+ if { [regexp {Windows} [dversion]] } {
+ set max_time 100
+ } else {
+ set max_time 250
+ }
+} else {
+ if { [regexp {Windows} [dversion]] } {
+ set max_time 100
+ } else {
+ set max_time 250
+ }
+}
+
+if { ${cpu_time} > ${max_time} } {
+ puts "Error : meshing is slow"
+} else {
+ puts "OK: meshing is quite fast"
+}
+
+vinit
+vdisplay result
+vfit
+vsetdispmode 1
+
+set only_screen 1
--- /dev/null
+puts "=========="
+puts "OCC24968"
+puts "=========="
+puts ""
+#####################################
+# Impove BRepMesh_Classifier to cope with intersection of huge number of wires
+#####################################
+
+restore [locate_data_file bug24968_Shape_1.brep] result
+
+tclean result
+dchrono h reset
+dchrono h start
+incmesh result 0.1 1
+dchrono h stop
+
+set info [dchrono h show]
+regexp {CPU user time: ([-0-9.+eE]+) seconds} ${info} full cpu_time
+
+if { [regexp {Debug mode} [dversion]] } {
+ if { [regexp {Windows} [dversion]] } {
+ set max_time 100
+ } else {
+ set max_time 250
+ }
+} else {
+ if { [regexp {Windows} [dversion]] } {
+ set max_time 100
+ } else {
+ set max_time 250
+ }
+}
+
+if { ${cpu_time} > ${max_time} } {
+ puts "Error : meshing is slow"
+} else {
+ puts "OK: meshing is quite fast"
+}
+
+vinit
+vdisplay result
+vfit
+vsetdispmode 1
+
+set only_screen 1
+++ /dev/null
-DBRep_DrawableShape
-
-CASCADE Topology V1, (c) Matra-Datavision
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\ No newline at end of file
set TheFileName shading_014.brep
-if { [string compare $command "shading"] == 0 } {
- set bug_freenodes "OCC22687"
- set nbfreenodes(All) 1
-}
+###if { [string compare $command "shading"] == 0 } {
+### set bug_freenodes "OCC22687"
+### set nbfreenodes(All) 1
+###}
set nbfreenodes(All) 1
} else {
set bug_freelinks "OCC23105"
- set nbfree(ALL) 4
+### set nbfree(ALL) 4
+ if { [string compare $command "mesh"] == 0 } {
+ set nbfree(ALL) 8
+ } else {
+ set nbfree(ALL) 2
+ }
set nbfreenodes(All) 4
}
set os $env(os_type)
}
if { [string compare $command "shading"] == 0 } {
- set nbt 14
+### set nbt 14
+ set nbt 9
set nbn 83
if {
[string compare $os "Mandriva2008"] == 0
- || [string compare $os "Debian40"] == 0
+ || [string compare $os "Debian60-64"] == 0
} {
- set nbl 19
- set nbfree($os) $nbl
+### set nbl 19
+### set nbfree($os) $nbl
## else
## set nbl 17
}
set nbfreenodes($os) $nbn
} else {
set bug_withouttri "OCC23105"
- set nbt 14
+### set nbt 14
+ set nbt 8
set nbn 60
-## set nbl 2
+ set nbl 3
set nbwithouttri($os) $nbt
-## set nbfree($os) $nbl
+ set nbfree($os) $nbl
set nbfreenodes($os) $nbn
}
}
set rel_tol 1.3
set nbwithouttri(ALL) 6
set nbfreenodes(ALL) 1
- set bug_freelinks "OCC22687"
- set nbfree(ALL) 2
+### set bug_freelinks "OCC22687"
+### set nbfree(ALL) 2
} else {
set nbfreenodes(ALL) 2
set nbwithouttri(ALL) 5
}
set nbfree($os) $nb
}
-if { [string compare $command "shading"] == 0 } {
- set bug_freelinks "OCC22687"
- set nbfree(ALL) 2
-}
+###if { [string compare $command "shading"] == 0 } {
+### set bug_freelinks "OCC22687"
+### set nbfree(ALL) 2
+###}
set TheFileName shading_wrongshape_029.brep
-set bug_withouttri "OCC22687"
-set nbwithouttri(All) 1
-set bug_freelinks "OCC22687"
-if { [string compare $command "shading"] == 0 } {
- set bug_freenodes "OCC23105"
- set nbfreenodes(ALL) 2
- set nbfree(ALL) 12
-} else {
- set bug_freenodes "OCC23105"
- set nbfreenodes(ALL) 2
- set nbfree(ALL) 8
-}
+###set bug_withouttri "OCC22687"
+###set nbwithouttri(All) 1
+###set bug_freelinks "OCC22687"
+###if { [string compare $command "shading"] == 0 } {
+### set bug_freenodes "OCC23105"
+### set nbfreenodes(ALL) 2
+### set nbfree(ALL) 12
+###} else {
+### set bug_freenodes "OCC23105"
+### set nbfreenodes(ALL) 2
+### set nbfree(ALL) 8
+###}
projects / occt.git / commitdiff