mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-05-16 10:54:53 +03:00
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
// Created on: 2000-05-25
|
|
// Created by: data exchange team
|
|
// Copyright (c) 2000-2014 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 <BRep_Tool.hxx>
|
|
#include <Geom2d_Curve.hxx>
|
|
#include <Geom_Curve.hxx>
|
|
#include <Geom_Surface.hxx>
|
|
#include <gp_Pnt.hxx>
|
|
#include <gp_Pnt2d.hxx>
|
|
#include <ShapeAnalysis_Edge.hxx>
|
|
#include <ShapeUpgrade_ClosedEdgeDivide.hxx>
|
|
#include <ShapeUpgrade_SplitCurve2d.hxx>
|
|
#include <ShapeUpgrade_SplitCurve3d.hxx>
|
|
#include <Standard_Type.hxx>
|
|
#include <TColStd_HSequenceOfReal.hxx>
|
|
#include <TopoDS_Edge.hxx>
|
|
#include <TopoDS_Vertex.hxx>
|
|
|
|
IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_ClosedEdgeDivide,ShapeUpgrade_EdgeDivide)
|
|
|
|
//=======================================================================
|
|
//function : ShapeUpgrade_ClosedEdgeDivide
|
|
//purpose :
|
|
//=======================================================================
|
|
ShapeUpgrade_ClosedEdgeDivide::ShapeUpgrade_ClosedEdgeDivide():
|
|
ShapeUpgrade_EdgeDivide()
|
|
{
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Compute
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean ShapeUpgrade_ClosedEdgeDivide::Compute(const TopoDS_Edge& anEdge)
|
|
{
|
|
Clear();
|
|
ShapeAnalysis_Edge sae;
|
|
TopoDS_Vertex V1 = sae.FirstVertex(anEdge);
|
|
TopoDS_Vertex V2 = sae.LastVertex(anEdge);
|
|
if( V1.IsSame(V2) && !BRep_Tool::Degenerated ( anEdge ) ) {
|
|
const Standard_Integer nbPoints = 23;
|
|
gp_Pnt pntV = BRep_Tool::Pnt(V1);
|
|
Standard_Real TolV1 = LimitTolerance( BRep_Tool::Tolerance(V1) );
|
|
TolV1=TolV1*TolV1;
|
|
Standard_Real f, l;
|
|
Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l);
|
|
myHasCurve3d = !curve3d.IsNull();
|
|
Standard_Real f2d = 0., l2d = 0.;
|
|
Handle(Geom2d_Curve) pcurve1;
|
|
if ( ! myFace.IsNull() ) { // process free edges
|
|
sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False);
|
|
}
|
|
myHasCurve2d = !pcurve1.IsNull();
|
|
|
|
if ( myHasCurve3d ) {
|
|
Standard_Real maxPar = f, dMax = 0;
|
|
Standard_Real step = (l-f)/(nbPoints-1);
|
|
Standard_Real param = f+step;
|
|
for (Standard_Integer i = 1; i < 23; i++, param+=step) {
|
|
gp_Pnt curPnt = curve3d->Value(param);
|
|
Standard_Real dist = pntV.SquareDistance(curPnt);
|
|
if(dist > dMax) {
|
|
maxPar = param;
|
|
dMax = dist;
|
|
}
|
|
}
|
|
if(dMax > TolV1) {
|
|
Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool();
|
|
theSplit3dTool->Init(curve3d,f,l);
|
|
|
|
Handle(TColStd_HSequenceOfReal) values = new TColStd_HSequenceOfReal;
|
|
values->Append(maxPar);
|
|
theSplit3dTool->SetSplitValues(values);
|
|
myKnots3d = theSplit3dTool->SplitValues();
|
|
|
|
if(myHasCurve2d) {
|
|
Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
|
|
theSplit2dTool->Init(pcurve1,f2d,l2d);
|
|
myKnots2d = theSplit2dTool->SplitValues();
|
|
}
|
|
return Standard_True;
|
|
}
|
|
else
|
|
return Standard_False;
|
|
}
|
|
|
|
if ( myHasCurve2d ) {
|
|
Handle(Geom_Surface) surf = BRep_Tool::Surface(myFace);
|
|
Standard_Real maxPar = f2d, dMax = 0;
|
|
Standard_Real step = (l2d-f2d)/(nbPoints-1);
|
|
Standard_Real param = f2d+step;
|
|
for (Standard_Integer i = 1; i < 23; i++, param+=step) {
|
|
gp_Pnt2d p2d = pcurve1->Value(param);
|
|
gp_Pnt curPnt = surf->Value(p2d.X(),p2d.Y());
|
|
Standard_Real dist = pntV.SquareDistance(curPnt);
|
|
if(dist > dMax) {
|
|
maxPar = param;
|
|
dMax = dist;
|
|
}
|
|
}
|
|
if(dMax > TolV1) {
|
|
|
|
Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
|
|
theSplit2dTool->Init(pcurve1,f2d,l2d);
|
|
|
|
Handle(TColStd_HSequenceOfReal) values = new TColStd_HSequenceOfReal;
|
|
values->Append(maxPar);
|
|
theSplit2dTool->SetSplitValues(values);
|
|
myKnots2d = theSplit2dTool->SplitValues();
|
|
return Standard_True;
|
|
}
|
|
else
|
|
return Standard_False;
|
|
}
|
|
|
|
return Standard_False;
|
|
|
|
}
|
|
else
|
|
return Standard_False;
|
|
}
|