//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_PlaneDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IPlane aPI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
double aSize = aPI.GetSize() / 2.0;
if (aType == PLANE_PNT_VEC) {
Handle(GEOM_Function) aRefPnt = aPI.GetPoint();
Handle(GEOM_Function) aRefVec = aPI.GetVector();
TopoDS_Shape aShape1 = aRefPnt->GetValue();
TopoDS_Shape aShape2 = aRefVec->GetValue();
if (aShape1.ShapeType() != TopAbs_VERTEX ||
aShape2.ShapeType() != TopAbs_EDGE) return 0;
gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
TopoDS_Edge anE = TopoDS::Edge(aShape2);
TopoDS_Vertex V1, V2;
TopExp::Vertices(anE, V1, V2, Standard_True);
if (!V1.IsNull() && !V2.IsNull()) {
gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
gp_Pln aPln (aP, aV);
aShape = BRepBuilderAPI_MakeFace(aPln, -aSize, +aSize, -aSize, +aSize).Shape();
}
} else if (aType == PLANE_THREE_PNT) {
Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
Handle(GEOM_Function) aRefPnt3 = aPI.GetPoint3();
TopoDS_Shape aShape1 = aRefPnt1->GetValue();
TopoDS_Shape aShape2 = aRefPnt2->GetValue();
TopoDS_Shape aShape3 = aRefPnt3->GetValue();
if (aShape1.ShapeType() != TopAbs_VERTEX ||
aShape2.ShapeType() != TopAbs_VERTEX ||
aShape3.ShapeType() != TopAbs_VERTEX) return 0;
gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShape2));
gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShape3));
if (aP1.Distance(aP2) < gp::Resolution() ||
aP1.Distance(aP3) < gp::Resolution() ||
aP2.Distance(aP3) < gp::Resolution())
Standard_ConstructionError::Raise("Plane creation aborted: coincident points given");
if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
Standard_ConstructionError::Raise("Plane creation aborted: points lay on one line");
GC_MakePlane aMakePlane (aP1, aP2, aP3);
aShape = BRepBuilderAPI_MakeFace(aMakePlane, -aSize, +aSize, -aSize, +aSize).Shape();
} else if (aType == PLANE_FACE) {
Handle(GEOM_Function) aRef = aPI.GetFace();
TopoDS_Shape aRefShape = aRef->GetValue();
//if (aRefShape.ShapeType() != TopAbs_FACE) return 0;
//Handle(Geom_Surface) aGS = BRep_Tool::Surface(TopoDS::Face(aRefShape));
//if (!aGS->IsKind(STANDARD_TYPE(Geom_Plane))) {
// Standard_TypeMismatch::Raise("Plane creation aborted: non-planar face given as argument");
//}
//aShape = BRepBuilderAPI_MakeFace(aGS, -aSize, +aSize, -aSize, +aSize).Shape();
gp_Ax3 anAx3 = GEOMImpl_IMeasureOperations::GetPosition(aRefShape);
gp_Pln aPln (anAx3);
aShape = BRepBuilderAPI_MakeFace(aPln, -aSize, +aSize, -aSize, +aSize).Shape();
}
else if (aType == PLANE_TANGENT_FACE)
{
Handle(GEOM_Function) aRefFace = aPI.GetFace();
TopoDS_Shape aShape1 = aRefFace->GetValue();
if(aShape1.IsNull())
Standard_TypeMismatch::Raise("Plane was not created.Basis face was not specified");
TopoDS_Face aFace = TopoDS::Face(aShape1);
Standard_Real aKoefU = aPI.GetParameterU();
Standard_Real aKoefV = aPI.GetParameterV();
Standard_Real aUmin,aUmax,aVmin,aVmax;
ShapeAnalysis::GetFaceUVBounds(aFace,aUmin,aUmax,aVmin,aVmax);
Standard_Real aDeltaU = aUmax - aUmin;
Standard_Real aDeltaV = aVmax - aVmin;
Standard_Real aParamU = aUmin + aDeltaU*aKoefU;
Standard_Real aParamV = aVmin + aDeltaV*aKoefV;
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
if(aSurf.IsNull())
Standard_TypeMismatch::Raise("Plane was not created.Base surface is absent");
gp_Vec aVecU,aVecV;
gp_Pnt aPLoc;
aSurf->D1(aParamU,aParamV,aPLoc,aVecU,aVecV);
BRepTopAdaptor_FClass2d clas(aFace,Precision::PConfusion());
TopAbs_State stOut= clas.PerformInfinitePoint();
gp_Pnt2d aP2d(aParamU,aParamV);
TopAbs_State st= clas.Perform(aP2d);
if(st == stOut)
Standard_TypeMismatch::Raise("Plane was not created.Point lies outside the face");
gp_Vec aNorm = aVecU^aVecV;
gp_Ax3 anAxis(aPLoc,gp_Dir(aNorm),gp_Dir(aVecU));
gp_Pln aPlane(anAxis);
BRepBuilderAPI_MakeFace aTool(aPlane, -aSize, +aSize, -aSize, +aSize);
if(aTool.IsDone())
aShape = aTool.Shape();
}
else if (aType == PLANE_2_VEC) {
Handle(GEOM_Function) aRefVec1 = aPI.GetVector1();
Handle(GEOM_Function) aRefVec2 = aPI.GetVector2();
TopoDS_Shape aShape1 = aRefVec1->GetValue();
TopoDS_Shape aShape2 = aRefVec2->GetValue();
if (aShape1.ShapeType() != TopAbs_EDGE ||
aShape2.ShapeType() != TopAbs_EDGE) return 0;
TopoDS_Edge aVectX = TopoDS::Edge(aShape1);
TopoDS_Edge aVectZ = TopoDS::Edge(aShape2);
TopoDS_Vertex VX1, VX2, VZ1, VZ2;
TopExp::Vertices( aVectX, VX1, VX2, Standard_True );
TopExp::Vertices( aVectZ, VZ1, VZ2, Standard_True );
gp_Vec aVX = gp_Vec( BRep_Tool::Pnt( VX1 ), BRep_Tool::Pnt( VX2 ) );
gp_Vec aVZ = gp_Vec( BRep_Tool::Pnt( VZ1 ), BRep_Tool::Pnt( VZ2 ) );
if ( aVX.Magnitude() < Precision::Confusion() || aVZ.Magnitude() < Precision::Confusion())
Standard_TypeMismatch::Raise("Invalid vector selected");
gp_Dir aDirX = gp_Dir( aVX.X(), aVX.Y(), aVX.Z() );
gp_Dir aDirZ = gp_Dir( aVZ.X(), aVZ.Y(), aVZ.Z() );
if ( aDirX.IsParallel( aDirZ, Precision::Angular() ) )
Standard_TypeMismatch::Raise("Parallel vectors selected");
gp_Ax3 aPlane = gp_Ax3( BRep_Tool::Pnt( VX1 ), aDirZ, aDirX );
BRepBuilderAPI_MakeFace aTool(aPlane, -aSize, +aSize, -aSize, +aSize);
if(aTool.IsDone())
aShape = aTool.Shape();
}
else if (aType == PLANE_LCS) {
Handle(GEOM_Function) aRef = aPI.GetLCS();
double anOrientation = aPI.GetOrientation();
gp_Ax3 anAx3;
if (aRef.IsNull()) {
gp_Ax2 anAx2 = gp::XOY();
anAx3 = gp_Ax3( anAx2 );
} else {
TopoDS_Shape aRefShape = aRef->GetValue();
if (aRefShape.ShapeType() != TopAbs_FACE)
return 0;
anAx3 = GEOMImpl_IMeasureOperations::GetPosition(aRefShape);
}
if ( anOrientation == 2)
anAx3 = gp_Ax3(anAx3.Location(), anAx3.XDirection(), anAx3.YDirection() );
else if ( anOrientation == 3 )
anAx3 = gp_Ax3(anAx3.Location(), anAx3.YDirection(), anAx3.XDirection() );
gp_Pln aPln(anAx3);
aShape = BRepBuilderAPI_MakeFace(aPln, -aSize, +aSize, -aSize, +aSize).Shape();
}
else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
TopoDS_Shape MakeBottle(const Standard_Real myWidth, const Standard_Real myHeight, const Standard_Real myThickness)
{
// Profile : Define Support Points
gp_Pnt aPnt1(-myWidth / 2., 0, 0);
gp_Pnt aPnt2(-myWidth / 2., -myThickness / 4., 0);
gp_Pnt aPnt3(0, -myThickness / 2., 0);
gp_Pnt aPnt4(myWidth / 2., -myThickness / 4., 0);
gp_Pnt aPnt5(myWidth / 2., 0, 0);
// Profile : Define the Geometry
Handle(Geom_TrimmedCurve) anArcOfCircle = GC_MakeArcOfCircle(aPnt2,aPnt3,aPnt4);
Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1, aPnt2);
Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4, aPnt5);
// Profile : Define the Topology
TopoDS_Edge anEdge1 = BRepBuilderAPI_MakeEdge(aSegment1);
TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(anArcOfCircle);
TopoDS_Edge anEdge3 = BRepBuilderAPI_MakeEdge(aSegment2);
TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3);
// Complete Profile
gp_Ax1 xAxis = gp::OX();
gp_Trsf aTrsf;
aTrsf.SetMirror(xAxis);
BRepBuilderAPI_Transform aBRepTrsf(aWire, aTrsf);
TopoDS_Shape aMirroredShape = aBRepTrsf.Shape();
TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape);
BRepBuilderAPI_MakeWire mkWire;
mkWire.Add(aWire);
mkWire.Add(aMirroredWire);
TopoDS_Wire myWireProfile = mkWire.Wire();
// Body : Prism the Profile
TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile);
gp_Vec aPrismVec(0, 0, myHeight);
TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile, aPrismVec);
// Body : Apply Fillets
BRepFilletAPI_MakeFillet mkFillet(myBody);
TopExp_Explorer anEdgeExplorer(myBody, TopAbs_EDGE);
while(anEdgeExplorer.More()) {
TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExplorer.Current());
//Add edge to fillet algorithm
mkFillet.Add(myThickness / 12., anEdge);
anEdgeExplorer.Next();
}
myBody = mkFillet.Shape();
// Body : Add the Neck
gp_Pnt neckLocation(0, 0, myHeight);
gp_Dir neckAxis = gp::DZ();
gp_Ax2 neckAx2(neckLocation, neckAxis);
Standard_Real myNeckRadius = myThickness / 4.;
Standard_Real myNeckHeight = myHeight / 10.;
BRepPrimAPI_MakeCylinder MKCylinder(neckAx2, myNeckRadius, myNeckHeight);
TopoDS_Shape myNeck = MKCylinder.Shape();
myBody = BRepAlgoAPI_Fuse(myBody, myNeck);
// Body : Create a Hollowed Solid
TopoDS_Face faceToRemove;
Standard_Real zMax = -1;
for(TopExp_Explorer aFaceExplorer(myBody, TopAbs_FACE); aFaceExplorer.More(); aFaceExplorer.Next()) {
TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current());
// Check if <aFace> is the top face of the bottle�s neck
Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
if(aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane)) {
Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface);
gp_Pnt aPnt = aPlane->Location();
Standard_Real aZ = aPnt.Z();
if(aZ > zMax) {
zMax = aZ;
faceToRemove = aFace;
}
}
}
TopTools_ListOfShape facesToRemove;
facesToRemove.Append(faceToRemove);
myBody = BRepOffsetAPI_MakeThickSolid(myBody, facesToRemove, -myThickness / 50, 1.e-3);
// Threading : Create Surfaces
Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 0.99);
Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 1.05);
// Threading : Define 2D Curves
gp_Pnt2d aPnt(2. * M_PI, myNeckHeight / 2.);
gp_Dir2d aDir(2. * M_PI, myNeckHeight / 4.);
gp_Ax2d anAx2d(aPnt, aDir);
Standard_Real aMajor = 2. * M_PI;
Standard_Real aMinor = myNeckHeight / 10;
Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor);
Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor / 4);
Handle(Geom2d_TrimmedCurve) anArc1 = new Geom2d_TrimmedCurve(anEllipse1, 0, M_PI);
Handle(Geom2d_TrimmedCurve) anArc2 = new Geom2d_TrimmedCurve(anEllipse2, 0, M_PI);
gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0);
gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI);
Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1, anEllipsePnt2);
// Threading : Build Edges and Wires
TopoDS_Edge anEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(anArc1, aCyl1);
TopoDS_Edge anEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment, aCyl1);
TopoDS_Edge anEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(anArc2, aCyl2);
TopoDS_Edge anEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment, aCyl2);
TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(anEdge1OnSurf1, anEdge2OnSurf1);
TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(anEdge1OnSurf2, anEdge2OnSurf2);
BRepLib::BuildCurves3d(threadingWire1);
BRepLib::BuildCurves3d(threadingWire2);
// Create Threading
BRepOffsetAPI_ThruSections aTool(Standard_True);
aTool.AddWire(threadingWire1);
aTool.AddWire(threadingWire2);
aTool.CheckCompatibility(Standard_False);
TopoDS_Shape myThreading = aTool.Shape();
// Building the Resulting Compound
TopoDS_Compound aRes;
BRep_Builder aBuilder;
aBuilder.MakeCompound (aRes);
aBuilder.Add (aRes, myBody);
aBuilder.Add (aRes, myThreading);
return aRes;
}