//----------------------------------------------------------------
// Function: scale
// Description: scale the body and its child entities
// use a constant scale factor
//
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCBody::scale(double scale_factor )
{
gp_Trsf aTrsf;
aTrsf.SetScaleFactor(scale_factor);
BRepBuilderAPI_Transform aBRepTrsf(aTrsf);
CubitStatus stat = transform(aBRepTrsf);
return stat;
}
TopoDS_Shape OCCPartFactory::makeCube( const Standard_Real width,
const Standard_Real height,
const Standard_Real depth)
{
// define points
gp_Pnt pt1( -width / 2.0, 0.0, 0.0 );
gp_Pnt pt2( -width / 2.0, -depth / 2.0, 0.0 );
gp_Pnt pt3( width / 2.0, -depth / 2.0, 0.0 );
gp_Pnt pt4( width /2.0, 0.0, 0.0 );
// define segments
Handle_Geom_TrimmedCurve seg1 = GC_MakeSegment( pt1, pt2 );
Handle_Geom_TrimmedCurve seg2 = GC_MakeSegment( pt2, pt3 );
Handle_Geom_TrimmedCurve seg3 = GC_MakeSegment( pt3, pt4 );
// make edge
TopoDS_Edge edge1 = BRepBuilderAPI_MakeEdge( seg1 );
TopoDS_Edge edge2 = BRepBuilderAPI_MakeEdge( seg2 );
TopoDS_Edge edge3 = BRepBuilderAPI_MakeEdge( seg3 );
// make wire
TopoDS_Wire wire1 = BRepBuilderAPI_MakeWire( edge1, edge2, edge3 );
//Complete Profile
gp_Ax1 xAxis = gp::OX();
gp_Trsf transfer;
transfer.SetMirror( xAxis );
BRepBuilderAPI_Transform aBRepTrsf( wire1 , transfer );
TopoDS_Shape mirroredShape = aBRepTrsf.Shape();
TopoDS_Wire mirroredWire1 = TopoDS::Wire( mirroredShape );
BRepBuilderAPI_MakeWire mkWire;
mkWire.Add( wire1 );
mkWire.Add( mirroredWire1 );
TopoDS_Wire wireProfile = mkWire.Wire();
//Body : Prism the Profile
TopoDS_Face faceProfile = BRepBuilderAPI_MakeFace( wireProfile );
gp_Vec prismVec( 0.0 , 0.0 , height );
TopoDS_Shape cube = BRepPrimAPI_MakePrism( faceProfile, prismVec);
// cube.setMaterial( Graphic3d_NOM_JADE );
// Handle_AIS_Shape shape = new AIS_Shape( cube );
// shape->SetColor( Quantity_NOC_RED );
// return shape;
return cube;
}
//----------------------------------------------------------------
// Function: reflect
// Description: reflect the body about an plane given the normal
// vector.
//
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCBody::reflect( double reflect_axis_x,
double reflect_axis_y,
double reflect_axis_z )
{
gp_Pnt aOrigin(0,0,0);
gp_Dir aDir(reflect_axis_x, reflect_axis_y,reflect_axis_z);
gp_Ax2 anAx2(aOrigin, aDir);
gp_Trsf aTrsf;
aTrsf.SetMirror(anAx2);
BRepBuilderAPI_Transform aBRepTrsf(aTrsf);
return transform(aBRepTrsf);
}
//----------------------------------------------------------------
// Function: move
// Description: translate the body and its child entities
//
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCBody::move(double dx, double dy, double dz)
{
double tol = OCCQueryEngine::instance()->get_sme_resabs_tolerance();
if(fabs(dx) < tol && fabs(dy) < tol && fabs(dz) < tol)
return CUBIT_SUCCESS;
gp_Vec aVec(dx, dy, dz);
gp_Trsf aTrsf;
aTrsf.SetTranslation(aVec);
BRepBuilderAPI_Transform aBRepTrsf(aTrsf);
return transform(aBRepTrsf);
}
//----------------------------------------------------------------
// Function: rotate
// Description: rotate the body and its child entities
//
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCBody::rotate( double x, double y, double z,
double angle )//in radians
{
gp_Pnt aOrigin(0,0,0);
gp_Dir aDir(x, y, z);
gp_Ax1 anAxis(aOrigin, aDir);
//a is angular value of rotation in radians
gp_Trsf aTrsf;
aTrsf.SetRotation(anAxis, angle);
BRepBuilderAPI_Transform aBRepTrsf(aTrsf);
return transform(aBRepTrsf);
}
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;
}
