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occt/src/MAT2d/MAT2d_BisectingLocus.gxx
bugmaster b311480ed5 0023024: Update headers of OCCT files
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

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// Created on: 1993-07-13
// Created by: Yves FRICAUD
// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
# include <MAT2d_Mat2d.hxx>
# include <MAT2d_Tool2d.hxx>
# include <MAT2d_Circuit.hxx>
# include <MAT2d_CutCurve.hxx>
# include <MAT2d_BiInt.hxx>
# include <MAT2d_SequenceOfSequenceOfGeometry.hxx>
# include <MAT_Graph.hxx>
# include <MAT_Arc.hxx>
# include <MAT_BasicElt.hxx>
# include <MAT_Node.hxx>
# include <MAT_Bisector.hxx>
# include <MAT_ListOfBisector.hxx>
# include <MAT_DataMapOfIntegerBasicElt.hxx>
# include <MAT_DataMapIteratorOfDataMapOfIntegerBasicElt.hxx>
# include <Geom2d_Curve.hxx>
# include <gp_Pnt2d.hxx>
# include <TColGeom2d_SequenceOfGeometry.hxx>
# include <Precision.hxx>
#include <Standard_OutOfRange.hxx>
static void CutSketch (MAT2d_SequenceOfSequenceOfGeometry& Figure,
MAT2d_DataMapOfBiIntInteger& NbSect);
//=============================================================================
//function : MAT2d_BisectingLocus
//purpose : Constructeur vide.
//=============================================================================
MAT2d_BisectingLocus::MAT2d_BisectingLocus()
{
}
//=============================================================================
//function : Compute
//purpose : Calcul de la carte des lieux bisecteurs sur le contour defini par
// <anExplo>.
//=============================================================================
void MAT2d_BisectingLocus::Compute( Explorer& anExplo,
const Standard_Integer IndexLine,
const MAT_Side aSide )
{
MAT2d_Mat2d TheMAT;
Handle(MAT_ListOfBisector) TheRoots = new MAT_ListOfBisector();
MAT2d_SequenceOfSequenceOfGeometry Figure;
Standard_Integer i;
nbSect.Clear();
nbContours = anExplo.NumberOfContours();
//---------------------------------
// Lecture des donnees de anExplo.
//---------------------------------
for (i = 1; i <= anExplo.NumberOfContours(); i++) {
TColGeom2d_SequenceOfGeometry Line;
Figure.Append(Line);
for (anExplo.Init(i); anExplo.More(); anExplo.Next()) {
Figure.ChangeValue(i).Append(anExplo.Value());
}
}
//-----------------------
// Decoupage des courbes.
//-----------------------
CutSketch(Figure,nbSect);
//----------------------------------------------------------
// Construction du circuit sur lequel est calcule la carte.
//----------------------------------------------------------
Handle(MAT2d_Circuit) ACircuit = new MAT2d_Circuit();
// Modified by Sergey KHROMOV - Wed Mar 6 17:43:47 2002 Begin
// ACircuit->Perform(Figure,IndexLine,(aSide == MAT_Left));
ACircuit->Perform(Figure,anExplo.GetIsClosed(), IndexLine,(aSide == MAT_Left));
// Modified by Sergey KHROMOV - Wed Mar 6 17:43:48 2002 End
// -----------------------
// Initialistion du Tool.
// -----------------------
theTool.Sense(aSide);
theTool.InitItems(ACircuit);
// --------------------------------------------
// Initialisation et execution de l algorithme.
// --------------------------------------------
TheMAT.CreateMat(theTool);
isDone = TheMAT.IsDone(); if (!isDone) return;
// ----------------------------------------------------------------
// Recuperation du resultat de l algorithme et creation du graphe.
// ----------------------------------------------------------------
for (TheMAT.Init(); TheMAT.More(); TheMAT.Next()) {
TheRoots->BackAdd(TheMAT.Bisector());
}
theGraph = new MAT_Graph();
theGraph->Perform(TheMAT.SemiInfinite(),
TheRoots,
theTool.NumberOfItems(),
TheMAT.NumberOfBisectors());
//-----------------------------------------------------------------------
// Fusion des elements de base doubles si plusieurs lignes dans Exploset.
//-----------------------------------------------------------------------
if (anExplo.NumberOfContours() > 1) {
MAT_DataMapOfIntegerBasicElt NewMap;
Standard_Integer IndexLast = 1;
//-----------------------------------------------------------------------
// Construction de NewMap dont les elements sont ordonnes suivant les
// lignes du contour et qui ne contient pas d element dupliques.
// em meme temps fusion des arcs dupliques et mise a jour des noeuds.
//-----------------------------------------------------------------------
for ( i = 1; i <= anExplo.NumberOfContours(); i++) {
RenumerationAndFusion(i,
theTool.Circuit()->LineLength(i),
IndexLast,
NewMap);
}
//-----------------------------------------------------------------------
// Chargement dans le graph de la nouvelle map.
// et compactage de la map des Arcs (ie Elimination des trous du a la
// fusion d arcs ).et de celle des Nodes.
//-----------------------------------------------------------------------
theGraph->ChangeBasicElts(NewMap);
theGraph->CompactArcs();
theGraph->CompactNodes();
}
}
//=============================================================================
//function : RenumerationAndFusion
//purpose :
//=============================================================================
void MAT2d_BisectingLocus::RenumerationAndFusion
(const Standard_Integer ILine,
const Standard_Integer LengthLine,
Standard_Integer& IndexLast,
MAT_DataMapOfIntegerBasicElt& NewMap)
{
Standard_Integer IndFirst;
Standard_Integer i,j;
Standard_Integer GeomIndexArc1,GeomIndexArc2,GeomIndexArc3,GeomIndexArc4;
Standard_Boolean MergeArc1,MergeArc2;
for ( i = 1; i <= LengthLine; i++) {
const TColStd_SequenceOfInteger& S = theTool.Circuit()->RefToEqui(ILine,i);
IndFirst = S.Value(1);
NewMap.Bind(IndexLast,theGraph->ChangeBasicElt(IndFirst));
IndexLast++;
for(j = 2; j <= S.Length(); j++){
theGraph->FusionOfBasicElts(IndFirst,
S.Value(j),
MergeArc1,
GeomIndexArc1,
GeomIndexArc2,
MergeArc2,
GeomIndexArc3,
GeomIndexArc4);
if(MergeArc1) {
theTool.BisecFusion(GeomIndexArc1,GeomIndexArc2);
}
if(MergeArc2) {
theTool.BisecFusion(GeomIndexArc3,GeomIndexArc4);
}
}
}
}
//=============================================================================
//function : IsDone
//Purpose :
//=============================================================================
Standard_Boolean MAT2d_BisectingLocus::IsDone() const
{
return isDone;
}
//=============================================================================
//function : Graph
//
//=============================================================================
Handle(MAT_Graph) MAT2d_BisectingLocus::Graph() const
{
return theGraph;
}
//=============================================================================
//function : NumberOfContours
//
//=============================================================================
Standard_Integer MAT2d_BisectingLocus::NumberOfContours () const
{
return nbContours;
}
//=============================================================================
//function : NumberOfElts
//
//=============================================================================
Standard_Integer MAT2d_BisectingLocus::NumberOfElts
(const Standard_Integer IndLine) const
{
return theTool.Circuit()->LineLength(IndLine);
}
//=============================================================================
//function : NumberOfSect
//
//=============================================================================
Standard_Integer MAT2d_BisectingLocus::NumberOfSections
(const Standard_Integer IndLine,
const Standard_Integer Index )
const
{
MAT2d_BiInt B(IndLine,Index);
return nbSect(B);
}
//=============================================================================
//function : BasicElt
//
//=============================================================================
Handle(MAT_BasicElt) MAT2d_BisectingLocus::BasicElt
(const Standard_Integer IndLine,
const Standard_Integer Index )
const
{
Standard_Integer i;
Standard_Integer Ind = Index;
for (i = 1 ; i < IndLine ; i++){
Ind = Ind + theTool.Circuit()->LineLength(i);
}
return theGraph->BasicElt(Ind);
}
//=============================================================================
//function : GeomBis
//
//=============================================================================
Bisector_Bisec MAT2d_BisectingLocus::GeomBis (const Handle(MAT_Arc)& anArc,
Standard_Boolean& Reverse)
const
{
Reverse = Standard_False;
Handle(Geom2d_Curve) Bis = theTool.GeomBis(anArc->GeomIndex()).Value();
if (Bis->FirstParameter() <= -Precision::Infinite()) {
Reverse = Standard_True;
}
else if (Bis->LastParameter() < Precision::Infinite()) {
gp_Pnt2d PF = Bis->Value(Bis->FirstParameter());
gp_Pnt2d PL = Bis->Value(Bis->LastParameter());
gp_Pnt2d PNode = GeomElt(anArc->FirstNode());
if (PNode.SquareDistance(PF) > PNode.SquareDistance(PL))
Reverse = Standard_True;
}
return theTool.GeomBis(anArc->GeomIndex());
}
//=============================================================================
//function : GeomElt
//
//=============================================================================
Handle(Geom2d_Geometry) MAT2d_BisectingLocus::GeomElt
(const Handle(MAT_BasicElt)& aBasicElt) const
{
return theTool.GeomElt(aBasicElt->GeomIndex());
}
//=============================================================================
//function : GeomElt
//
//=============================================================================
gp_Pnt2d MAT2d_BisectingLocus::GeomElt(const Handle(MAT_Node)& aNode) const
{
return theTool.GeomPnt(aNode->GeomIndex());
}
//=============================================================================
//function : CutSketch
//
//=============================================================================
static void CutSketch (MAT2d_SequenceOfSequenceOfGeometry& Figure,
MAT2d_DataMapOfBiIntInteger& NbSect)
{
MAT2d_CutCurve Cuter;
Standard_Integer i,j,k,ico;
Standard_Integer ICurveInit;
Standard_Integer NbSection;
for ( i = 1; i <= Figure.Length(); i++) {
TColGeom2d_SequenceOfGeometry& Contour = Figure.ChangeValue(i);
ICurveInit = 0;
for ( j = 1; j <= Contour.Length(); j++) {
ICurveInit++;
Cuter.Perform(Handle(Geom2d_Curve)::DownCast(Contour.ChangeValue(j)));
NbSection = 1;
if (!Cuter.UnModified()) {
ico = j;
NbSection = Cuter.NbCurves();
for ( k = 1; k <= NbSection; k++) {
Contour.InsertAfter(j,Cuter.Value(k));
j++;
}
Contour.Remove(ico);
j--;
}
MAT2d_BiInt B(i,ICurveInit);
NbSect.Bind(B,NbSection);
}
}
}