-// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// Copyright (C) 2007-2020 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
+//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// File: GEOMAlgo_FinderShapeOn1.cxx
-// Created: Fri Mar 4 10:31:06 2005
-// Author: Peter KURNEV
-// <pkv@irinox>
-
-#include <GEOMAlgo_FinderShapeOn2.ixx>
-#include <math.h>
-
-
-#include <Precision.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-#include <TColStd_MapOfInteger.hxx>
+// File: GEOMAlgo_FinderShapeOn2.cxx
+// Created: Fri Mar 4 10:31:06 2005
+// Author: Peter KURNEV
+// <pkv@irinox>
+//
+#include <GEOMAlgo_FinderShapeOn2.hxx>
+#include <GEOMAlgo_DataMapIteratorOfDataMapOfPassKeyInteger.hxx>
+#include <GEOMAlgo_DataMapOfPassKeyInteger.hxx>
+#include <GEOMAlgo_ListIteratorOfListOfPnt.hxx>
+#include <GEOMAlgo_PassKey.hxx>
+#include <GEOMAlgo_StateCollector.hxx>
+#include <GEOMAlgo_SurfaceTools.hxx>
-#include <gp_Trsf.hxx>
-#include <gp_Cylinder.hxx>
+#include <Bnd_Box.hxx>
+#include <BRep_Tool.hxx>
+#include <BRepBndLib.hxx>
+#include <BRepMesh_IncrementalMesh.hxx>
+#include <BRepTools.hxx>
+#include <Geom_Curve.hxx>
+#include <Geom_Surface.hxx>
+#include <Geom2d_Line.hxx>
+#include <Geom2dAdaptor_Curve.hxx>
+#include <Geom2dHatch_Hatcher.hxx>
+#include <gp_Dir2d.hxx>
+#include <gp_Pnt2d.hxx>
#include <gp_Pnt.hxx>
-
-#include <TColgp_Array1OfPnt.hxx>
-
+#include <gp_Trsf.hxx>
+#include <HatchGen_Domain.hxx>
+#include <IntTools_Tools.hxx>
#include <Poly_Array1OfTriangle.hxx>
-#include <Poly_Triangle.hxx>
+#include <Poly_Polygon3D.hxx>
#include <Poly_PolygonOnTriangulation.hxx>
+#include <Poly_Triangle.hxx>
#include <Poly_Triangulation.hxx>
-#include <Poly_Polygon3D.hxx>
-
-#include <Geom_Curve.hxx>
-#include <Geom_Surface.hxx>
-#include <GeomAdaptor_Surface.hxx>
-#include <GeomAbs_SurfaceType.hxx>
-#include <GeomAdaptor_Curve.hxx>
-#include <GeomAbs_CurveType.hxx>
-
+#include <Precision.hxx>
+#include <TColgp_Array1OfPnt.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+#include <TColStd_MapOfInteger.hxx>
#include <TopAbs_State.hxx>
-
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
#include <TopLoc_Location.hxx>
#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
-#include <TopoDS_Face.hxx>
-#include <TopoDS_Edge.hxx>
-
-#include <TopExp.hxx>
-#include <TopExp_Explorer.hxx>
-
#include <TopTools_IndexedMapOfShape.hxx>
-
-#include <BRep_Tool.hxx>
-#include <BRepLib_MakeEdge.hxx>
-
-#include <GEOMAlgo_ListIteratorOfListOfPnt.hxx>
-
-#include <GEOMAlgo_SurfaceTools.hxx>
-#include <GEOMAlgo_StateCollector.hxx>
-#include <GEOMAlgo_FinderShapeOn.hxx>
-
-#include <GEOMAlgo_PassKey.hxx>
-#include <GEOMAlgo_DataMapOfPassKeyInteger.hxx>
-#include <GEOMAlgo_DataMapIteratorOfDataMapOfPassKeyInteger.hxx>
+#include <IntTools_Context.hxx>
//=======================================================================
-//function : GEOMAlgo_FinderShapeOn1
-//purpose :
+//function :
+//purpose :
//=======================================================================
- GEOMAlgo_FinderShapeOn2::GEOMAlgo_FinderShapeOn2()
+GEOMAlgo_FinderShapeOn2::GEOMAlgo_FinderShapeOn2()
:
GEOMAlgo_ShapeAlgo()
{
}
//=======================================================================
//function : ~
-//purpose :
+//purpose :
//=======================================================================
- GEOMAlgo_FinderShapeOn2::~GEOMAlgo_FinderShapeOn2()
+GEOMAlgo_FinderShapeOn2::~GEOMAlgo_FinderShapeOn2()
{
}
//=======================================================================
//function : SetClsf
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::SetClsf(const Handle(GEOMAlgo_Clsf)& aClsf)
+void GEOMAlgo_FinderShapeOn2::SetClsf(const Handle(GEOMAlgo_Clsf)& aClsf)
{
myClsf=aClsf;
}
//=======================================================================
//function : Clsf
-//purpose :
+//purpose :
//=======================================================================
- const Handle(GEOMAlgo_Clsf)& GEOMAlgo_FinderShapeOn2::Clsf() const
+const Handle(GEOMAlgo_Clsf)& GEOMAlgo_FinderShapeOn2::Clsf() const
{
return myClsf;
}
//=======================================================================
//function : SetShapeType
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::SetShapeType(const TopAbs_ShapeEnum aType)
+void GEOMAlgo_FinderShapeOn2::SetShapeType(const TopAbs_ShapeEnum aType)
{
myShapeType=aType;
}
//=======================================================================
//function : ShapeType
-//purpose :
+//purpose :
//=======================================================================
- TopAbs_ShapeEnum GEOMAlgo_FinderShapeOn2::ShapeType()const
+TopAbs_ShapeEnum GEOMAlgo_FinderShapeOn2::ShapeType()const
{
return myShapeType;
}
//=======================================================================
//function : SetState
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::SetState(const GEOMAlgo_State aState)
+void GEOMAlgo_FinderShapeOn2::SetState(const GEOMAlgo_State aState)
{
myState=aState;
}
//=======================================================================
//function : State
-//purpose :
+//purpose :
//=======================================================================
- GEOMAlgo_State GEOMAlgo_FinderShapeOn2::State() const
+GEOMAlgo_State GEOMAlgo_FinderShapeOn2::State() const
{
return myState;
}
//=======================================================================
//function : SetNbPntsMin
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::SetNbPntsMin(const Standard_Integer aNb)
+void GEOMAlgo_FinderShapeOn2::SetNbPntsMin(const Standard_Integer aNb)
{
myNbPntsMin=aNb;
}
//=======================================================================
//function : NbPntsMin
-//purpose :
+//purpose :
//=======================================================================
- Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMin()const
+Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMin()const
{
return myNbPntsMin;
}
//=======================================================================
//function : SetNbPntsMax
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::SetNbPntsMax(const Standard_Integer aNb)
+void GEOMAlgo_FinderShapeOn2::SetNbPntsMax(const Standard_Integer aNb)
{
myNbPntsMax=aNb;
}
//=======================================================================
//function : NbPntsMax
-//purpose :
+//purpose :
//=======================================================================
- Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMax()const
+Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMax()const
{
return myNbPntsMax;
}
//=======================================================================
// function: MSS
-// purpose:
+// purpose:
//=======================================================================
const GEOMAlgo_IndexedDataMapOfShapeState& GEOMAlgo_FinderShapeOn2::MSS() const
{
}
//=======================================================================
// function: Shapes
-// purpose:
+// purpose:
//=======================================================================
- const TopTools_ListOfShape& GEOMAlgo_FinderShapeOn2::Shapes() const
+const TopTools_ListOfShape& GEOMAlgo_FinderShapeOn2::Shapes() const
{
Standard_Integer i, aNb;
TopTools_ListOfShape* pL;
}
//=======================================================================
//function : Perform
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::Perform()
+void GEOMAlgo_FinderShapeOn2::Perform()
{
myErrorStatus=0;
myWarningStatus=0;
return;
}
//
+ // Initialize the context
+ GEOMAlgo_ShapeAlgo::Perform();
+ //
myClsf->SetTolerance(myTolerance);
//
// 1
}
//
// 4
- ProcessSolids();
+ ProcessSolids();
//
}
//=======================================================================
//function : CheckData
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::CheckData()
+void GEOMAlgo_FinderShapeOn2::CheckData()
{
Standard_Integer iErr;
//
}
//
if (!(myShapeType==TopAbs_VERTEX ||
- myShapeType==TopAbs_EDGE ||
- myShapeType==TopAbs_FACE ||
- myShapeType==TopAbs_SOLID)) {
- myErrorStatus=12; // unallowed subshape type
+ myShapeType==TopAbs_EDGE ||
+ myShapeType==TopAbs_FACE ||
+ myShapeType==TopAbs_SOLID)) {
+ myErrorStatus=12; // unallowed sub-shape type
return;
}
//
- if (myState==GEOMAlgo_ST_UNKNOWN ||
+ if (myState==GEOMAlgo_ST_UNKNOWN ||
myState==GEOMAlgo_ST_INOUT) {
myErrorStatus=13; // unallowed state type
return;
}
//=======================================================================
//function : ProcessVertices
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::ProcessVertices()
+void GEOMAlgo_FinderShapeOn2::ProcessVertices()
{
myErrorStatus=0;
//
//
if (myShapeType==TopAbs_VERTEX){
if (bIsConformState) {
- myMSS.Add(aV, aSt);
+ myMSS.Add(aV, aSt);
}
}
else if (bIsConformState || aSt==TopAbs_ON) {
}
//=======================================================================
//function : ProcessEdges
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::ProcessEdges()
+void GEOMAlgo_FinderShapeOn2::ProcessEdges()
{
myErrorStatus=0;
//
//
const TopoDS_Edge& aE=TopoDS::Edge(aM(i));
//
+ bIsConformState=Standard_False;
+ //
aExp.Init(aE, TopAbs_VERTEX);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aV=aExp.Current();
//
bIsConformState=myMSS.Contains(aV);
if (!bIsConformState) {
- break;// vertex has non-conformed state
+ break;// vertex has non-conformed state
}
else {
- aSt=myMSS.FindFromKey(aV);
- aSC.AppendState(aSt);
+ aSt=myMSS.FindFromKey(aV);
+ aSC.AppendState(aSt);
}
}
//
}
//
if (BRep_Tool::Degenerated(aE)) {
- myMSS.Add(aE, aSt);
+ myMSS.Add(aE, aSt);
continue;
}
//
if (myState==GEOMAlgo_ST_ON) {
Standard_Boolean bCanBeON;
Standard_Real aT1, aT2;
- Handle(Geom_Curve) aC;
+ Handle(Geom_Curve) aC;
//
aC=BRep_Tool::Curve(aE, aT1, aT2);
bCanBeON=myClsf->CanBeON(aC);
if(!bCanBeON) {
- continue;
+ continue;
}
}
//
InnerPoints(aE, aLP);
if (myErrorStatus) {
- return;
+ return;
}
//
bIsConformState=Standard_True;
aIt.Initialize(aLP);
for (iCnt=0; aIt.More(); aIt.Next(), ++iCnt) {
if (myNbPntsMax) {
- if (iCnt > myNbPntsMax) {
- break;
- }
+ if (iCnt > myNbPntsMax) {
+ break;
+ }
}
//
const gp_Pnt& aP=aIt.Value();
myClsf->Perform();
iErr=myClsf->ErrorStatus();
if (iErr) {
- myErrorStatus=40; // point can not be classified
- return;
+ myErrorStatus=40; // point can not be classified
+ return;
}
//
aSt=myClsf->State();
//
bIsToBreak=aSC.AppendState(aSt);
if (bIsToBreak) {
- break;
+ break;
}
}
//
- aSt=aSC.State();
+ aSt=aSC.State();
//
bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
if (myShapeType==TopAbs_EDGE) {
if (bIsConformState) {
- myMSS.Add(aE, aSt);
+ myMSS.Add(aE, aSt);
}
}
else if (bIsConformState || aSt==TopAbs_ON) {
myMSS.Add(aE, aSt);
}
- } // for (i=1; i<=aNb; ++i) next edge
+ } // for (i=1; i<=aNb; ++i) next edge
}
//=======================================================================
//function : ProcessFaces
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::ProcessFaces()
+void GEOMAlgo_FinderShapeOn2::ProcessFaces()
{
myErrorStatus=0;
//
aS=BRep_Tool::Surface(aF);
bCanBeON=myClsf->CanBeON(aS);
if(!bCanBeON) {
- continue;
+ continue;
}
}
//
+ //
+ bIsConformState=Standard_False;
+ //
aExp.Init(aF, TopAbs_EDGE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aE=aExp.Current();
bIsConformState=myMSS.Contains(aE);
if (!bIsConformState) {
- break;// edge has non-conformed state
+ break;// edge has non-conformed state
}
else {
- aSt=myMSS.FindFromKey(aE);
- aSC.AppendState(aSt);
+ aSt=myMSS.FindFromKey(aE);
+ aSC.AppendState(aSt);
}
}
//
aIt.Initialize(aLP);
for (iCnt=0; aIt.More(); aIt.Next(), ++iCnt) {
if (myNbPntsMax) {
- if (iCnt > myNbPntsMax) {
- break;
- }
+ if (iCnt > myNbPntsMax) {
+ break;
+ }
}
//
const gp_Pnt& aP=aIt.Value();
myClsf->Perform();
iErr=myClsf->ErrorStatus();
if (iErr) {
- myErrorStatus=40; // point can not be classified
- return;
+ myErrorStatus=40; // point can not be classified
+ return;
}
//
aSt=myClsf->State();
//
bIsToBreak=aSC.AppendState(aSt);
if (bIsToBreak) {
- break;
+ break;
}
}
//
- aSt=aSC.State();
+ aSt=aSC.State();
//
bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
if (myShapeType==TopAbs_FACE) {
if (bIsConformState) {
- myMSS.Add(aF, aSt);
+ myMSS.Add(aF, aSt);
}
}
else if (bIsConformState || aSt==TopAbs_ON) {
myMSS.Add(aF, aSt);
}
- }// for (i=1; i<=aNb; ++i) next face
+ }// for (i=1; i<=aNb; ++i) next face
}
//=======================================================================
//function : ProcessSolids
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::ProcessSolids()
+void GEOMAlgo_FinderShapeOn2::ProcessSolids()
{
myErrorStatus=0;
//
const TopoDS_Shape& aSd=aM(i);
aMF.Clear();
TopExp::MapShapes(aSd, TopAbs_FACE, aMF);
+ //
+ bIsConformState=Standard_False;
+ //
aNbF=aMF.Extent();
for (j=1; j<=aNbF; ++j) {
const TopoDS_Shape& aF=aMF(j);
bIsConformState=myMSS.Contains(aF);
if (!bIsConformState) {
- break;// face has non-conformed state
+ break;// face has non-conformed state
}
else {
- aSt=myMSS.FindFromKey(aF);
- aSC.AppendState(aSt);
+ aSt=myMSS.FindFromKey(aF);
+ aSC.AppendState(aSt);
}
}
//
continue; // face has non-conformed state,skip solid
}
//
- aSt=aSC.State();
+ aSt=aSC.State();
//
bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
if (bIsConformState) {
//
//=======================================================================
//function : InnerPoints
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Face& aF,
- GEOMAlgo_ListOfPnt& aLP)
+void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Face& aF,
+ GEOMAlgo_ListOfPnt& aLP)
{
- myErrorStatus=0;
- //
- Standard_Integer j, j1, j2, k, n[4], aNbLinks, aNx, aNb, iCnt;//, aNbMax, *pIds;
+ Standard_Integer j, j1, j2, k, n[4], aNx, aNb, iCnt;//, aNbLinks, aNbMax, *pIds;
TopLoc_Location aLoc;
Handle(Poly_Triangulation) aTRF;
TColStd_MapOfInteger aMBN;
GEOMAlgo_DataMapOfPassKeyInteger aMPKI;
GEOMAlgo_DataMapIteratorOfDataMapOfPassKeyInteger aIt;
gp_Pnt aP, aP1, aP2;
+ //
+ myErrorStatus=0;
//
aLP.Clear();
//
aTRF=BRep_Tool::Triangulation(aF, aLoc);
if (aTRF.IsNull()) {
- if (!GEOMAlgo_FinderShapeOn::BuildTriangulation(aF)) {
- myErrorStatus=20; // no triangulation found
+ if (!BuildTriangulation(aF)) {
+ myWarningStatus=20; // no triangulation found
return;
}
aTRF=BRep_Tool::Triangulation(aF, aLoc);
//
aPK.SetIds(n[k], n[k+1]);
if (aMPKI.IsBound(aPK)) {
- Standard_Integer& iCntX=aMPKI.ChangeFind(aPK);
- ++iCntX;
+ Standard_Integer& iCntX=aMPKI.ChangeFind(aPK);
+ ++iCntX;
}
else {
- aMPKI.Bind(aPK, 1);
+ aMPKI.Bind(aPK, 1);
}
}
}
//
// boundary nodes aMBN
- aNbLinks=aMPKI.Extent();
aIt.Initialize(aMPKI);
for (; aIt.More(); aIt.Next()) {
iCnt=aIt.Value();
if (iCnt==1) {
const GEOMAlgo_PassKey& aPK=aIt.Key();
- //qf
- /*
- aNbMax=aPK.NbMax();
- pIds=(Standard_Integer*)aPK.Key();
- for (k=1; k<3; ++k) {
- aNx=*(pIds+aNbMax-k);
- aMBN.Add(aNx);
- }
- */
aNx=(Standard_Integer)aPK.Id(1);
aMBN.Add(aNx);
aNx=(Standard_Integer)aPK.Id(2);
aMBN.Add(aNx);
- //qt
+
}
}
//
- // inner nodes=all_nodes - boundary_nodes
+ // inner nodes=all_nodes - boundary_nodes
j1=aNodes.Lower();
j2=aNodes.Upper();
for (j=j1; j<=j2; ++j) {
//
aNb=aLP.Extent();
//
- if (!aNb && myNbPntsMin) {
- // try to fill it yourself
- Standard_Boolean bIsDone;
- Standard_Integer aN1, aN2;
+ //modified by NIZNHY-PKV Mon Sep 24 08:42:32 2012f
+ if (!aNb && myNbPntsMin) { // A
+ Standard_Boolean bIsDone, bHasFirstPoint, bHasSecondPoint;
+ Standard_Integer i, aNb, aIx, /*iErr, */aNbDomains;
+ Standard_Real aUMin, aUMax, aVMin, aVMax, dU, aUx, aVx, aV1, aV2;
+ gp_Pnt aPx;
+ gp_Dir2d aD2D (0., 1.);
+ gp_Pnt2d aP2D;
+ Handle(Geom2d_Line) aL2D;
Handle(Geom_Surface) aS;
- GeomAdaptor_Surface aGAS;
- GeomAbs_SurfaceType aType;
- //
- aS=BRep_Tool::Surface(aF);
- aGAS.Load(aS);
- aType=aGAS.GetType();
- if (aType==GeomAbs_Plane || aType==GeomAbs_Cylinder) {
- // inner links
- aNbLinks=aMPKI.Extent();
- aIt.Initialize(aMPKI);
- for (; aIt.More(); aIt.Next()) {
- iCnt=aIt.Value();
- if (iCnt>1) {
- // take the first having occured inner link
- // and discretize it
- const GEOMAlgo_PassKey& aPK=aIt.Key();
- //qf
- /*
- aNbMax=aPK.NbMax();
- pIds=(Standard_Integer*)aPK.Key();
- aN1=*(pIds+aNbMax-1);
- aN2=*(pIds+aNbMax-2);
- */
- //
- aN1=(Standard_Integer)aPK.Id(1);
- aN2=(Standard_Integer)aPK.Id(2);
- //qt
- aP1=aNodes(aN1).Transformed(aTrsf);
- aP2=aNodes(aN2).Transformed(aTrsf);
- //
- if (aType==GeomAbs_Cylinder) {
- Standard_Real aTolSM;
- gp_Cylinder aCyl;
- //
- aTolSM=1.523e-6;//~1.-cos(0.1 deg)
- aCyl=aGAS.Cylinder();
- if (!GEOMAlgo_SurfaceTools::IsCoaxial(aP1, aP2, aCyl, aTolSM)) {
- continue;
- }
- }
- //
- BRepLib_MakeEdge aBME(aP1, aP2);
- bIsDone=aBME.IsDone();
- if (!bIsDone) {
- myErrorStatus=30; //can not obtain the line fron the link
- return;
- }
- //
- const TopoDS_Shape& aSx=aBME.Shape();
- const TopoDS_Edge& aE=TopoDS::Edge(aSx);
- //
- InnerPoints(aE, myNbPntsMin, aLP);
- break;
- }// if (iCnt>1)
- }// for (; aIt.More(); aIt.Next())
- }// if (aType==GeomAbs_Plane || aType==GeomAbs_Cylinder)
- }// if (!aNb && myNbPntsMin) {
+ TopoDS_Face aFF;
+ //
+ aFF=aF;
+ aFF.Orientation (TopAbs_FORWARD);
+ //
+ Geom2dHatch_Hatcher& aHatcher=myContext->Hatcher(aFF);
+ //
+ aS=BRep_Tool::Surface(aFF);
+ BRepTools::UVBounds(aFF, aUMin, aUMax, aVMin, aVMax);
+ //
+ aNb=myNbPntsMin+1;
+ dU=(aUMax-aUMin)/aNb;
+ for (i=1; i<aNb; ++i) {
+ aUx=aUMin+i*dU;
+ aP2D.SetCoord(aUx, 0.);
+ aL2D=new Geom2d_Line (aP2D, aD2D);
+ Geom2dAdaptor_Curve aHCur(aL2D);
+ //
+ aHatcher.ClrHatchings();
+ aIx=aHatcher.AddHatching(aHCur);
+ //
+ aHatcher.Trim(aIx);
+ bIsDone=aHatcher.TrimDone(aIx);
+ if (!bIsDone) {
+ myErrorStatus=42;
+ return;
+ }
+ //
+ aHatcher.ComputeDomains(aIx);
+ bIsDone=aHatcher.IsDone(aIx);
+ if (!bIsDone) {
+ continue;
+ }
+ //
+ aNbDomains=aHatcher.NbDomains(aIx);
+ for (j=1; j<=aNbDomains; ++j) {
+ const HatchGen_Domain& aDomain=aHatcher.Domain (aIx, j) ;
+ // 1
+ bHasFirstPoint=aDomain.HasFirstPoint();
+ bHasSecondPoint=aDomain.HasSecondPoint();
+ if (!bHasFirstPoint || !bHasSecondPoint) {
+ continue;
+ }
+ // 2
+ aV1=aDomain.FirstPoint().Parameter();
+ aV2=aDomain.SecondPoint().Parameter();
+ aVx=IntTools_Tools::IntermediatePoint(aV1, aV2);
+ // 3
+ aS->D0(aUx, aVx, aPx);
+ aLP.Append(aPx);
+ break;
+ }
+ }// for (i=1; i<aNb; ++i) {
+ }// if (!aNb && myNbPntsMin) {
}
//=======================================================================
//function : InnerPoints
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
- GEOMAlgo_ListOfPnt& aLP)
+void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
+ GEOMAlgo_ListOfPnt& aLP)
{
myErrorStatus=0;
//
if (aTRE.IsNull() || aPTE.IsNull()) {
Handle(Poly_Polygon3D) aPE = BRep_Tool::Polygon3D(aE, aLoc);
if (aPE.IsNull()) {
- if (!GEOMAlgo_FinderShapeOn::BuildTriangulation(aE)) {
+ if (!BuildTriangulation(aE)) {
myErrorStatus=20; // no triangulation found
return;
}
}
//
aNb=aLP.Extent();
- if (!aNb && myNbPntsMin) {
+ if (!aNb && myNbPntsMin) {
// try to fill it yourself
InnerPoints(aE, myNbPntsMin, aLP);
aNb=aLP.Extent();
}
//=======================================================================
//function : InnerPoints
-//purpose :
+//purpose :
//=======================================================================
- void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
- const Standard_Integer aNbPntsMin,
- GEOMAlgo_ListOfPnt& aLP)
+void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
+ const Standard_Integer aNbPntsMin,
+ GEOMAlgo_ListOfPnt& aLP)
{
// try to fill it yourself
Standard_Boolean bInf1, bInf2;
}
}
+//=======================================================================
+//function : BuildTriangulation
+//purpose :
+//=======================================================================
+Standard_Boolean
+ GEOMAlgo_FinderShapeOn2::BuildTriangulation (const TopoDS_Shape& theShape)
+{
+ // calculate deflection
+ Standard_Real aDeviationCoefficient = 0.001;
+
+ Bnd_Box B;
+ BRepBndLib::Add(theShape, B);
+ Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
+ B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
+
+ Standard_Real dx = aXmax - aXmin, dy = aYmax - aYmin, dz = aZmax - aZmin;
+ Standard_Real aDeflection = Max(Max(dx, dy), dz) * aDeviationCoefficient * 4;
+ Standard_Real aHLRAngle = 0.349066;
+
+ // build triangulation
+ BRepMesh_IncrementalMesh Inc (theShape, aDeflection, Standard_False, aHLRAngle);
+
+ // check triangulation
+ bool isTriangulation = true;
+
+ TopExp_Explorer exp (theShape, TopAbs_FACE);
+ if (exp.More())
+ {
+ TopLoc_Location aTopLoc;
+ Handle(Poly_Triangulation) aTRF;
+ aTRF = BRep_Tool::Triangulation(TopoDS::Face(exp.Current()), aTopLoc);
+ if (aTRF.IsNull()) {
+ isTriangulation = false;
+ }
+ }
+ else // no faces, try edges
+ {
+ TopExp_Explorer expe (theShape, TopAbs_EDGE);
+ if (!expe.More()) {
+ isTriangulation = false;
+ }
+ else {
+ TopLoc_Location aLoc;
+ Handle(Poly_Polygon3D) aPE = BRep_Tool::Polygon3D(TopoDS::Edge(expe.Current()), aLoc);
+ if (aPE.IsNull()) {
+ isTriangulation = false;
+ }
+ }
+ }
+
+ return isTriangulation;
+}
+
//
// myErrorStatus :
//
// 10 -myClsf=NULL
// 11 -myShape=NULL
-// 12 -unallowed type of subshapes
-// 13 -unallowed state
+// 12 -unallowed type of sub-shapes
+// 13 -unallowed state
// 15 -unallowed surface type
// 20- no triangulation found
// 30- can not obtain the line from the link
// 40- point can not be classified
// 41- invalid data for classifier
+// 42- can not compute hatching
