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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
445 lines
13 KiB
C++
445 lines
13 KiB
C++
// Created on: 1994-02-18
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// Created by: Remi LEQUETTE
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and / or modify it
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// under the terms of the GNU Lesser General Public version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// modified by Michael KLOKOV Wed Mar 6 15:01:25 2002
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// modified by Eugeny MALTCHIKOV Wed Jul 04 11:13:01 2012
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#include <BRepAlgoAPI_Section.ixx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepBuilderAPI_MakeShell.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <TopExp.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Face.hxx>
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#include <BRep_Tool.hxx>
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#include <BOPAlgo_PaveFiller.hxx>
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#include <BOPAlgo_BOP.hxx>
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#include <BOPDS_DS.hxx>
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static TopoDS_Shape MakeShape(const Handle(Geom_Surface)& S)
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{
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GeomAbs_Shape c = S->Continuity();
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if (c >= GeomAbs_C2) return BRepBuilderAPI_MakeFace(S, Precision::Confusion());
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else return BRepBuilderAPI_MakeShell(S);
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}
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static Standard_Boolean HasAncestorFaces(const BOPAlgo_PPaveFiller& theDSFiller,
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const TopoDS_Shape& E,
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TopoDS_Shape& F1,
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TopoDS_Shape& F2);
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape& Sh1,
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const TopoDS_Shape& Sh2,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(Sh1, Sh2, BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(myS1.IsNull() || myS2.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape& aS1,
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const TopoDS_Shape& aS2,
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const BOPAlgo_PaveFiller& aDSF,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(aS1, aS2, aDSF, BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(myS1.IsNull() || myS2.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape& Sh,
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const gp_Pln& Pl,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(Sh, MakeShape(new Geom_Plane(Pl)), BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(Sh.IsNull() || myS2.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape& Sh,
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const Handle(Geom_Surface)& Sf,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(Sh, MakeShape(Sf), BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(Sh.IsNull() || myS2.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf,
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const TopoDS_Shape& Sh,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(MakeShape(Sf), Sh, BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(myS1.IsNull() || Sh.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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BRepAlgoAPI_Section::BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf1,
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const Handle(Geom_Surface)& Sf2,
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const Standard_Boolean PerformNow)
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: BRepAlgoAPI_BooleanOperation(MakeShape(Sf1), MakeShape(Sf2), BOPAlgo_SECTION)
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{
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InitParameters();
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myparameterschanged = Standard_True;
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if(myS1.IsNull() || myS2.IsNull()) {
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// StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
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myshapeisnull = Standard_True;
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}
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if (PerformNow) {
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Build();
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}
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}
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//=======================================================================
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//function : Init1
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init1(const TopoDS_Shape& S1)
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{
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if(!S1.IsNull()) {
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if (!S1.IsEqual(myS1)) {
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myS1 = S1;
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if(!myS2.IsNull()) {
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myshapeisnull = Standard_False;
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}
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myparameterschanged = Standard_True;
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}
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}
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else {
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if(!myS1.IsNull()) {
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myS1 = S1;
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myshapeisnull = Standard_True;
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myparameterschanged = Standard_True;
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}
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}
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if(myparameterschanged)
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NotDone();
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}
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//=======================================================================
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//function : Init1
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init1(const gp_Pln& Pl)
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{
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Init1(MakeShape(new Geom_Plane(Pl)));
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}
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//=======================================================================
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//function : Init1
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init1(const Handle(Geom_Surface)& Sf)
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{
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Init1(MakeShape(Sf));
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}
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//=======================================================================
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//function : Init2
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init2(const TopoDS_Shape& S2)
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{
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if(!S2.IsNull()) {
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if (!S2.IsEqual(myS2)) {
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myS2 = S2;
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if(!myS1.IsNull()) {
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myshapeisnull = Standard_False;
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}
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myparameterschanged = Standard_True;
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}
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}
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else {
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if(!myS2.IsNull()) {
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myS2 = S2;
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myshapeisnull = Standard_True;
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myparameterschanged = Standard_True;
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}
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}
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if(myparameterschanged) {
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NotDone();
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}
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}
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//=======================================================================
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//function : Init2
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init2(const gp_Pln& Pl)
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{
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Init2(MakeShape(new Geom_Plane(Pl)));
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}
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//=======================================================================
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//function : Init2
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Init2(const Handle(Geom_Surface)& Sf)
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{
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Init2(MakeShape(Sf));
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}
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//=======================================================================
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//function : Approximation
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Approximation(const Standard_Boolean B)
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{
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if(myApprox != B) {
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myApprox = B;
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myparameterschanged = Standard_True;
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}
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}
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//=======================================================================
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//function : ComputePCurveOn1
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::ComputePCurveOn1(const Standard_Boolean B)
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{
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if(myComputePCurve1 != B) {
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myComputePCurve1 = B;
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myparameterschanged = Standard_True;
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}
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}
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//=======================================================================
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//function : ComputePCurveOn2
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::ComputePCurveOn2(const Standard_Boolean B)
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{
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if(myComputePCurve2 != B) {
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myComputePCurve2 = B;
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myparameterschanged = Standard_True;
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}
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}
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//=======================================================================
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//function : Build
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::Build()
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{
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if(myshapeisnull) {
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myErrorStatus = 2;
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NotDone();
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return;
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}
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if(myparameterschanged) {
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Standard_Boolean bIsNewFiller = PrepareFiller();
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//
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if (myErrorStatus!=1) {
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NotDone();
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// there were errors during the preparation
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return;
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}
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//
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if (bIsNewFiller) {
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BOPAlgo_SectionAttribute theSecAttr(myApprox, myComputePCurve1, myComputePCurve2);
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myDSFiller->SetSectionAttribute(theSecAttr);
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myDSFiller->Perform();
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}
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//
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BRepAlgoAPI_BooleanOperation::Build();
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//
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myparameterschanged = Standard_False;
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}
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}
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//=======================================================================
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//function : HasAncestorFaceOn1
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//purpose :
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//=======================================================================
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Standard_Boolean BRepAlgoAPI_Section::HasAncestorFaceOn1(const TopoDS_Shape& E, TopoDS_Shape& F) const
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{
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Standard_Boolean aResult = Standard_False;
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if(E.IsNull()) {
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return aResult;
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}
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if(E.ShapeType() != TopAbs_EDGE) {
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return aResult;
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}
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TopoDS_Shape F1, F2;
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aResult = HasAncestorFaces(myDSFiller, E, F1, F2);
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if(F1.IsNull()) {
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return Standard_False;
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}
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F = F1;
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return aResult;
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}
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//=======================================================================
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//function : HasAncestorFaceOn2
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//purpose :
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//=======================================================================
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Standard_Boolean BRepAlgoAPI_Section::HasAncestorFaceOn2(const TopoDS_Shape& E,TopoDS_Shape& F) const
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{
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Standard_Boolean aResult = Standard_False;
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if(E.IsNull()) {
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return aResult;
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}
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if(E.ShapeType() != TopAbs_EDGE) {
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return aResult;
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}
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TopoDS_Shape F1, F2;
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aResult = HasAncestorFaces(myDSFiller, E, F1, F2);
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if(F2.IsNull()) {
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return Standard_False;
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}
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F = F2;
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return aResult;
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}
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//=======================================================================
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//function : InitParameters
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//purpose :
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//=======================================================================
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void BRepAlgoAPI_Section::InitParameters()
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{
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myparameterschanged = Standard_False;
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myshapeisnull = Standard_False;
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myApprox = Standard_False;
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myComputePCurve1 = Standard_False;
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myComputePCurve2 = Standard_False;
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}
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// ------------------------------------------------------------------------
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// static function : HasAncestorFaces
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// purpose :
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// ------------------------------------------------------------------------
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static Standard_Boolean HasAncestorFaces(const BOPAlgo_PPaveFiller& theDSFiller,
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const TopoDS_Shape& E,
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TopoDS_Shape& F1,
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TopoDS_Shape& F2) {
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Standard_Integer aNb, i, j, nE, nF1, nF2, aNbCurves;
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//
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const BOPDS_PDS& pDS = theDSFiller->PDS();
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BOPDS_VectorOfInterfFF& aFFs=pDS->InterfFF();
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//
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aNb=aFFs.Extent();
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//section edges
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for (i = 0; i < aNb; i++) {
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BOPDS_InterfFF& aFFi=aFFs(i);
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aFFi.Indices(nF1, nF2);
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//
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const BOPDS_VectorOfCurve& aSeqOfCurve=aFFi.Curves();
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aNbCurves=aSeqOfCurve.Extent();
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for (j=0; j<aNbCurves; j++) {
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const BOPDS_Curve& aCurve=aSeqOfCurve(j);
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const BOPDS_ListOfPaveBlock& aSectEdges = aCurve.PaveBlocks();
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BOPDS_ListIteratorOfListOfPaveBlock anIt;
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anIt.Initialize(aSectEdges);
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for(; anIt.More(); anIt.Next()) {
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const Handle(BOPDS_PaveBlock)& aPB = anIt.Value();
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nE = aPB->Edge();
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if(nE < 0) continue;
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//
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if(E.IsSame(pDS->Shape(nE))) {
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F1 = pDS->Shape(nF1);
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F2 = pDS->Shape(nF2);
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return Standard_True;
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}
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}
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}
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}
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return Standard_False;
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}
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