void OCCRegion::replaceFacesInternal(std::list<GFace*> &new_faces)
{
// we simply replace old faces by new faces in the structure
TopExp_Explorer aExpS, aExpF;
BRep_Builder aBB;
TopoDS_Compound aCmp;
aBB.MakeCompound(aCmp);
TopoDS_Solid _s_replacement;
aBB.MakeSolid(_s_replacement);
_s_replacement.Orientation(s.Orientation());
aExpS.Init(s, TopAbs_SHELL);
for (; aExpS.More(); aExpS.Next()) {
const TopoDS_Shell& _shell=TopoDS::Shell(aExpS.Current());
TopoDS_Shell _shell_replacement;
aBB.MakeShell(_shell_replacement);
_shell_replacement.Orientation(_shell.Orientation());
aExpF.Init(_shell, TopAbs_FACE);
for (; aExpF.More(); aExpF.Next()) {
const TopoDS_Face& _face=TopoDS::Face(aExpF.Current());
TopoDS_Face _face_replacement;
std::list<GFace*>::iterator it = l_faces.begin();
std::list<GFace*>::iterator it2 = new_faces.begin();
for ( ; it != l_faces.end() ; ++it,++it2){
OCCFace *occF = dynamic_cast<OCCFace*>(*it);
if (occF){
TopoDS_Face oldf = occF->getTopoDS_Face();
if (oldf.IsSame(_face)){
_face_replacement = *((TopoDS_Face*)(*it2)->getNativePtr());
}
else {
oldf = occF->getTopoDS_FaceOld();
if (oldf.IsSame(_face)){
_face_replacement = *((TopoDS_Face*)(*it2)->getNativePtr());
}
}
}
}
if (_face_replacement.IsNull()){
Msg::Error("cannot find an face for gluing a region");
}
if (_face_replacement.IsSame(_face)) {
aBB.Add(_shell_replacement, _face);
}
else {
if(FaceHaveDifferentOrientations(_face, _face_replacement))
_face_replacement.Reverse();
aBB.Add(_shell_replacement, _face_replacement);
}
}
aBB.Add(_s_replacement, _shell_replacement);
}
s = _s_replacement;
setup();
}
OCCFace *OCCFace::copy(bool deepCopy = false)
{
OCCFace *ret = new OCCFace();
try {
if (deepCopy) {
BRepBuilderAPI_Copy A;
A.Perform(this->getShape());
ret->setShape(A.Shape());
} else {
ret->setShape(this->getShape());
}
} catch(Standard_Failure &err) {
Handle_Standard_Failure e = Standard_Failure::Caught();
const Standard_CString msg = e->GetMessageString();
if (msg != NULL && strlen(msg) > 1) {
setErrorMessage(msg);
} else {
setErrorMessage("Failed to copy face");
}
return NULL;
}
return ret;
}
int extractSubShape(const TopoDS_Shape& shape, std::vector<OCCBase *>& shapes)
{
TopAbs_ShapeEnum type = shape.ShapeType();
switch (type)
{
case TopAbs_COMPOUND:
return 0;
case TopAbs_COMPSOLID:
case TopAbs_SOLID:
{
OCCSolid *ret = new OCCSolid();
ret->setShape(shape);
if (!ret->fixShape()) {
delete ret;
return 0;
}
shapes.push_back((OCCBase *)ret);
break;
}
case TopAbs_FACE:
case TopAbs_SHELL:
{
OCCFace *ret = new OCCFace();
ret->setShape(shape);
if (!ret->fixShape()) {
delete ret;
return 0;
}
shapes.push_back((OCCBase *)ret);
break;
}
case TopAbs_WIRE:
{
OCCWire *ret = new OCCWire();
ret->setShape(shape);
if (!ret->fixShape()) {
delete ret;
return 0;
}
shapes.push_back((OCCBase *)ret);
break;
}
case TopAbs_EDGE:
{
OCCEdge *ret = new OCCEdge();
ret->setShape(shape);
if (!ret->fixShape()) {
delete ret;
return 0;
}
shapes.push_back((OCCBase *)ret);
break;
}
case TopAbs_VERTEX:
{
OCCVertex *ret = new OCCVertex();
ret->setShape(shape);
if (!ret->fixShape()) {
delete ret;
return 0;
}
shapes.push_back((OCCBase *)ret);
break;
}
default:
return 0;
}
return 1;
}