mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-05 18:16:23 +03:00
0da2ecac41
Parameter has been renamed to ForceFaceDeflection. Added test case. New parameter -force_face_def has been added to incmesh command.
373 lines
12 KiB
C++
373 lines
12 KiB
C++
// Created on: 2016-04-19
|
|
// Copyright (c) 2016 OPEN CASCADE SAS
|
|
// Created by: Oleg AGASHIN
|
|
//
|
|
// 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_ShapeTool.hxx>
|
|
#include <IMeshData_Edge.hxx>
|
|
#include <IMeshData_PCurve.hxx>
|
|
#include <TopoDS_Vertex.hxx>
|
|
#include <TopExp.hxx>
|
|
#include <TopExp_Explorer.hxx>
|
|
#include <BRep_Tool.hxx>
|
|
#include <BRep_Builder.hxx>
|
|
#include <ShapeAnalysis_Edge.hxx>
|
|
#include <BRepAdaptor_Curve.hxx>
|
|
#include <Precision.hxx>
|
|
#include <Bnd_Box.hxx>
|
|
|
|
namespace
|
|
{
|
|
//! Auxilary struct to take a tolerance of edge.
|
|
struct EdgeTolerance
|
|
{
|
|
static Standard_Real Get(const TopoDS_Shape& theEdge)
|
|
{
|
|
return BRep_Tool::Tolerance(TopoDS::Edge(theEdge));
|
|
}
|
|
};
|
|
|
|
//! Auxilary struct to take a tolerance of vertex.
|
|
struct VertexTolerance
|
|
{
|
|
static Standard_Real Get(const TopoDS_Shape& theVertex)
|
|
{
|
|
return BRep_Tool::Tolerance(TopoDS::Vertex(theVertex));
|
|
}
|
|
};
|
|
|
|
//! Returns maximum tolerance of face element of the specified type.
|
|
template<TopAbs_ShapeEnum ShapeType, class ToleranceExtractor>
|
|
Standard_Real MaxTolerance(const TopoDS_Face& theFace)
|
|
{
|
|
Standard_Real aMaxTolerance = RealFirst();
|
|
TopExp_Explorer aExplorer(theFace, ShapeType);
|
|
for (; aExplorer.More(); aExplorer.Next())
|
|
{
|
|
Standard_Real aTolerance = ToleranceExtractor::Get(aExplorer.Current());
|
|
if (aTolerance > aMaxTolerance)
|
|
aMaxTolerance = aTolerance;
|
|
}
|
|
|
|
return aMaxTolerance;
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : MaxFaceTolerance
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Real BRepMesh_ShapeTool::MaxFaceTolerance(const TopoDS_Face& theFace)
|
|
{
|
|
Standard_Real aMaxTolerance = BRep_Tool::Tolerance(theFace);
|
|
|
|
Standard_Real aTolerance = Max(
|
|
MaxTolerance<TopAbs_EDGE, EdgeTolerance >(theFace),
|
|
MaxTolerance<TopAbs_VERTEX, VertexTolerance>(theFace));
|
|
|
|
return Max(aMaxTolerance, aTolerance);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : BoxMaxDimension
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::BoxMaxDimension(const Bnd_Box& theBox,
|
|
Standard_Real& theMaxDimension)
|
|
{
|
|
if (theBox.IsVoid())
|
|
return;
|
|
|
|
Standard_Real aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ;
|
|
theBox.Get(aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ);
|
|
|
|
theMaxDimension = Max(aMaxX - aMinX, Max(aMaxY - aMinY, aMaxZ - aMinZ));
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckAndUpdateFlags
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::CheckAndUpdateFlags (
|
|
const IMeshData::IEdgeHandle& theEdge,
|
|
const IMeshData::IPCurveHandle& thePCurve)
|
|
{
|
|
if (!theEdge->GetSameParam () &&
|
|
!theEdge->GetSameRange () &&
|
|
theEdge->GetDegenerated ())
|
|
{
|
|
// Nothing to do worse.
|
|
return;
|
|
}
|
|
|
|
const TopoDS_Edge& aEdge = theEdge->GetEdge ();
|
|
const TopoDS_Face& aFace = thePCurve->GetFace ()->GetFace ();
|
|
|
|
Handle (Geom_Curve) aCurve;
|
|
Standard_Real aFirstParam, aLastParam;
|
|
Range (aEdge, aCurve, aFirstParam, aLastParam);
|
|
if (aCurve.IsNull())
|
|
{
|
|
theEdge->SetDegenerated(Standard_True);
|
|
return;
|
|
}
|
|
|
|
BRepAdaptor_Curve aCurveOnSurf(aEdge, aFace);
|
|
if (theEdge->GetSameParam () || theEdge->GetSameRange ())
|
|
{
|
|
if (theEdge->GetSameRange ())
|
|
{
|
|
const Standard_Real aDiffFirst = aCurveOnSurf.FirstParameter () - aFirstParam;
|
|
const Standard_Real aDiffLast = aCurveOnSurf.LastParameter () - aLastParam;
|
|
theEdge->SetSameRange (
|
|
Abs (aDiffFirst) < Precision::PConfusion () &&
|
|
Abs (aDiffLast ) < Precision::PConfusion ());
|
|
|
|
if (!theEdge->GetSameRange())
|
|
{
|
|
theEdge->SetSameParam(Standard_False);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!theEdge->GetDegenerated ()/* || theEdge->GetSameParam ()*/)
|
|
{
|
|
TopoDS_Vertex aStartVertex, aEndVertex;
|
|
TopExp::Vertices (aEdge, aStartVertex, aEndVertex);
|
|
if (aStartVertex.IsNull() || aEndVertex.IsNull())
|
|
{
|
|
theEdge->SetDegenerated(Standard_True);
|
|
return;
|
|
}
|
|
|
|
if (aStartVertex.IsSame(aEndVertex))
|
|
{
|
|
const Standard_Integer aPointsNb = 20;
|
|
const Standard_Real aVertexTolerance = BRep_Tool::Tolerance (aStartVertex);
|
|
const Standard_Real aDu = (aLastParam - aFirstParam) / aPointsNb;
|
|
//const Standard_Real aEdgeTolerance = BRep_Tool::Tolerance (aEdge);
|
|
//const Standard_Real aSqEdgeTolerance = aEdgeTolerance * aEdgeTolerance;
|
|
|
|
gp_Pnt aPrevPnt;
|
|
aCurve->D0 (aFirstParam, aPrevPnt);
|
|
|
|
Standard_Real aLength = 0.0;
|
|
for (Standard_Integer i = 1; i <= aPointsNb; ++i)
|
|
{
|
|
const Standard_Real aParameter = aFirstParam + i * aDu;
|
|
// Calculation of the length of the edge in 3D
|
|
// in order to check degenerativity
|
|
gp_Pnt aPnt;
|
|
aCurve->D0 (aParameter, aPnt);
|
|
aLength += aPrevPnt.Distance (aPnt);
|
|
|
|
//if (theEdge->GetSameParam ())
|
|
//{
|
|
// // Check that points taken at the 3d and pcurve using
|
|
// // same parameter are within tolerance of an edge.
|
|
// gp_Pnt aPntOnSurf;
|
|
// aCurveOnSurf.D0 (aParameter, aPntOnSurf);
|
|
// theEdge->SetSameParam (aPnt.SquareDistance (aPntOnSurf) < aSqEdgeTolerance);
|
|
//}
|
|
|
|
if (aLength > aVertexTolerance /*&& !theEdge->GetSameParam()*/)
|
|
{
|
|
break;
|
|
}
|
|
|
|
aPrevPnt = aPnt;
|
|
}
|
|
|
|
theEdge->SetDegenerated (aLength < aVertexTolerance);
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : AddInFace
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::AddInFace(
|
|
const TopoDS_Face& theFace,
|
|
Handle(Poly_Triangulation)& theTriangulation)
|
|
{
|
|
const TopLoc_Location& aLoc = theFace.Location();
|
|
if (!aLoc.IsIdentity())
|
|
{
|
|
gp_Trsf aTrsf = aLoc.Transformation();
|
|
aTrsf.Invert();
|
|
|
|
TColgp_Array1OfPnt& aNodes = theTriangulation->ChangeNodes();
|
|
for (Standard_Integer i = aNodes.Lower(); i <= aNodes.Upper(); ++i)
|
|
aNodes(i).Transform(aTrsf);
|
|
}
|
|
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateFace(theFace, theTriangulation);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : NullifyFace
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::NullifyFace (const TopoDS_Face& theFace)
|
|
{
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateFace (theFace, Handle (Poly_Triangulation)());
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : NullifyEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::NullifyEdge (
|
|
const TopoDS_Edge& theEdge,
|
|
const Handle (Poly_Triangulation)& theTriangulation,
|
|
const TopLoc_Location& theLocation)
|
|
{
|
|
UpdateEdge (theEdge, Handle (Poly_PolygonOnTriangulation)(),
|
|
theTriangulation, theLocation);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : NullifyEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::NullifyEdge (
|
|
const TopoDS_Edge& theEdge,
|
|
const TopLoc_Location& theLocation)
|
|
{
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateEdge (theEdge, Handle (Poly_Polygon3D)(), theLocation);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UpdateEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::UpdateEdge (
|
|
const TopoDS_Edge& theEdge,
|
|
const Handle (Poly_PolygonOnTriangulation)& thePolygon,
|
|
const Handle (Poly_Triangulation)& theTriangulation,
|
|
const TopLoc_Location& theLocation)
|
|
{
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateEdge (theEdge, thePolygon, theTriangulation, theLocation);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UpdateEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::UpdateEdge (
|
|
const TopoDS_Edge& theEdge,
|
|
const Handle (Poly_PolygonOnTriangulation)& thePolygon1,
|
|
const Handle (Poly_PolygonOnTriangulation)& thePolygon2,
|
|
const Handle (Poly_Triangulation)& theTriangulation,
|
|
const TopLoc_Location& theLocation)
|
|
{
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateEdge (theEdge, thePolygon1, thePolygon2,
|
|
theTriangulation, theLocation);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UpdateEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepMesh_ShapeTool::UpdateEdge(
|
|
const TopoDS_Edge& theEdge,
|
|
const Handle(Poly_Polygon3D)& thePolygon)
|
|
{
|
|
BRep_Builder aBuilder;
|
|
aBuilder.UpdateEdge(theEdge, thePolygon);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UseLocation
|
|
//purpose :
|
|
//=======================================================================
|
|
gp_Pnt BRepMesh_ShapeTool::UseLocation (
|
|
const gp_Pnt& thePnt,
|
|
const TopLoc_Location& theLoc)
|
|
{
|
|
if (theLoc.IsIdentity())
|
|
{
|
|
return thePnt;
|
|
}
|
|
|
|
return thePnt.Transformed (theLoc.Transformation ());
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UVPoints
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BRepMesh_ShapeTool::UVPoints (
|
|
const TopoDS_Edge& theEdge,
|
|
const TopoDS_Face& theFace,
|
|
gp_Pnt2d& theFirstPoint2d,
|
|
gp_Pnt2d& theLastPoint2d,
|
|
const Standard_Boolean isConsiderOrientation)
|
|
{
|
|
|
|
Handle (Geom2d_Curve) aCurve2d;
|
|
Standard_Real aFirstParam, aLastParam;
|
|
if (!Range(theEdge, theFace, aCurve2d, aFirstParam, aLastParam, isConsiderOrientation))
|
|
{
|
|
return Standard_False;
|
|
}
|
|
|
|
aCurve2d->D0 (aFirstParam, theFirstPoint2d);
|
|
aCurve2d->D0 (aLastParam, theLastPoint2d);
|
|
return Standard_True;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Range
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BRepMesh_ShapeTool::Range (
|
|
const TopoDS_Edge& theEdge,
|
|
const TopoDS_Face& theFace,
|
|
Handle (Geom2d_Curve)& thePCurve,
|
|
Standard_Real& theFirstParam,
|
|
Standard_Real& theLastParam,
|
|
const Standard_Boolean isConsiderOrientation)
|
|
{
|
|
|
|
ShapeAnalysis_Edge aEdge;
|
|
return aEdge.PCurve (theEdge, theFace, thePCurve,
|
|
theFirstParam, theLastParam,
|
|
isConsiderOrientation);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Range
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BRepMesh_ShapeTool::Range (
|
|
const TopoDS_Edge& theEdge,
|
|
Handle (Geom_Curve)& theCurve,
|
|
Standard_Real& theFirstParam,
|
|
Standard_Real& theLastParam,
|
|
const Standard_Boolean isConsiderOrientation)
|
|
{
|
|
|
|
ShapeAnalysis_Edge aEdge;
|
|
return aEdge.Curve3d (theEdge, theCurve,
|
|
theFirstParam, theLastParam,
|
|
isConsiderOrientation);
|
|
}
|