void loadIGES(char* filename)
{
if(!filename) return;
std::cout << "test" << std::endl;
boost::interprocess::managed_shared_memory segment(boost::interprocess::open_only, "OCCSharedMem");
TestFaces *m_trisp = segment.find<TestFaces>("m_tris").first;
//TestFaces *m_facesp = segment.find<TestFaces>("m_faces").first;
Vector3DfAllocator vector3df_alloc_inst(segment.get_segment_manager());
TestFace *m_facep = segment.construct<TestFace>("m_facep")(vector3df_alloc_inst);
std::cout << "connected to shared mem" << std::endl;
std::cout << filename << std::endl;
//STEPControl_Reader *readerp = new STEPControl_Reader;
IGESControl_Controller::Init();
Message_MsgFile::LoadFromEnv("CSF_XSMessage","IGES");
Message_MsgFile::LoadFromEnv("CSF_SHMessageStd","SHAPEStd");
IGESControl_Reader reader;
std::cout << filename << std::endl;
reader.ReadFile(filename);
reader.PrintCheckLoad(Standard_True,IFSelect_GeneralInfo);
Standard_Integer NbRoots = reader.NbRootsForTransfer();
std::cout << "Number of Roots in the IGES File: " << NbRoots << std::endl;
Standard_Integer NbTrans = reader.TransferRoots();
std::cout << "IGES roots transferred: " << NbTrans << std::endl;
std::cout << "Number of resulting shapes is: " << reader.NbShapes() << std::endl;
TopoDS_Shape resulting_shape = reader.OneShape();
// gp_Trsf theTrans;
// gp_Axl Axis = gp_Axl(gp_Pnt(200,60,60),gp_Dir(0.,1.,0.));
// theTrans.SetRotation(Axis,30*PI/180); // Rotation of 30 degrees
// BRepBuilderAPI_Transform myBRepTransformation(resulting_shape,theTrans,true);
// TopoDS_Shape TransformedShape = myBRepTransformation.Shape();
TopoDS_Iterator topo_iter;
//m_topodsshapes.push_back(resulting_shape);
//BRepMesh::Mesh(resulting_shape, 1.0);
TopExp_Explorer faceExp(resulting_shape, TopAbs_FACE);
for(; faceExp.More(); faceExp.Next())
{
// TopExp_Explorer vertexExp(faceExp.Current(), TopAbs_VERTEX);
//int f_n = 0;
TopLoc_Location L = faceExp.Current().Location();
BRepMesh::Mesh(faceExp.Current(), .1);
Handle (Poly_Triangulation) facing = BRep_Tool::Triangulation(TopoDS::Face(faceExp.Current()),L);
// const Poly_Array1OfTriangle & triangles = facing->Triangles();
// const TColgp_Array1OfPnt & nodes = facing->Nodes();
// std::cout << "opencascaded: facing->NbTriangles() = " << facing->NbTriangles() << std::endl;
if (!facing.IsNull())
{
TopExp_Explorer vertexExp(faceExp.Current(), TopAbs_VERTEX);
//int f_n = 0;
//TopLoc_Location L = faceExp.Current().Location();
// BRepMesh::Mesh(faceExp.Current(), .1);
// Handle (Poly_Triangulation) facing = BRep_Tool::Triangulation(TopoDS::Face(faceExp.Current()),L);
const Poly_Array1OfTriangle & triangles = facing->Triangles();
const TColgp_Array1OfPnt & nodes = facing->Nodes();
std::cout << "opencascaded: facing->NbTriangles() = " << facing->NbTriangles() << std::endl;
for ( int i=facing->NbTriangles(); i >= 1; --i )
{
m_facep->clear();
Poly_Triangle triangle = triangles(i);
Standard_Integer node1,node2,node3;
triangle.Get(node1, node2, node3);
gp_Pnt v1 = nodes(node1).Transformed(L);
gp_Pnt v2 = nodes(node2).Transformed(L);
gp_Pnt v3 = nodes(node3).Transformed(L);
m_facep->push_back(Vector3Df(v1.X(), v1.Y(), v1.Z()));
m_facep->push_back(Vector3Df(v2.X(), v2.Y(), v2.Z()));
m_facep->push_back(Vector3Df(v3.X(), v3.Y(), v3.Z()));
m_trisp->push_back(*m_facep);
}
}
}
}
int Part::ImportIgesParts(App::Document *pcDoc, const char* FileName)
{
try {
Base::FileInfo fi(FileName);
// read iges file
// http://www.opencascade.org/org/forum/thread_20801/
IGESControl_Controller::Init();
Interface_Static::SetIVal("read.surfacecurve.mode",3);
// load data exchange message files
Message_MsgFile::LoadFromEnv("CSF_XSMessage","IGES");
// load shape healing message files
Message_MsgFile::LoadFromEnv("CSF_SHMessageStd","SHAPEStd");
IGESControl_Reader aReader;
if (aReader.ReadFile((const Standard_CString)FileName) != IFSelect_RetDone)
throw Base::Exception("Error in reading IGES");
// check file conformity and output stats
aReader.PrintCheckLoad(Standard_True,IFSelect_GeneralInfo);
#if 1
std::string aName = fi.fileNamePure();
Handle_Message_ProgressIndicator pi = new ProgressIndicator(100);
pi->NewScope(100, "Reading IGES file...");
pi->Show();
aReader.WS()->MapReader()->SetProgress(pi);
// make model
aReader.ClearShapes();
Standard_Integer nbRootsForTransfer = aReader.NbRootsForTransfer();
aReader.TransferRoots();
pi->EndScope();
// put all other free-flying shapes into a single compound
Standard_Boolean emptyComp = Standard_True;
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
Standard_Integer nbShapes = aReader.NbShapes();
for (Standard_Integer i=1; i<=nbShapes; i++) {
TopoDS_Shape aShape = aReader.Shape(i);
if (!aShape.IsNull()) {
if (aShape.ShapeType() == TopAbs_SOLID ||
aShape.ShapeType() == TopAbs_COMPOUND ||
aShape.ShapeType() == TopAbs_SHELL) {
App::DocumentObject* obj = pcDoc->addObject("Part::Feature", aName.c_str());
static_cast<Part::Feature*>(obj)->Shape.setValue(aShape);
}
else {
builder.Add(comp, aShape);
emptyComp = Standard_False;
}
}
}
if (!emptyComp) {
std::string name = fi.fileNamePure();
Part::Feature *pcFeature = static_cast<Part::Feature*>(pcDoc->addObject
("Part::Feature", name.c_str()));
pcFeature->Shape.setValue(comp);
}
#else
// put all other free-flying shapes into a single compound
Standard_Boolean emptyComp = Standard_True;
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
// get all entities
Handle_TColStd_HSequenceOfTransient aRootList=aReader.GiveList("xst-transferrable-roots");
Base::SequencerLauncher seq("Reading IGES file...", aRootList->Length());
Standard_Integer j;
for (j=1; j<=aRootList->Length(); j++) {
seq.next();
Handle(IGESData_IGESEntity) igesEntity = Handle(IGESData_IGESEntity)::DownCast(aRootList->Value(j));
if (igesEntity.IsNull()) continue;
// clear any old shape
aReader.ClearShapes();
#ifdef _DEBUG
std::string type = igesEntity->DynamicType()->Name();
(void)type;
#endif
// is it a group, singular sub-figure or solid?
if (igesEntity->IsKind(STANDARD_TYPE(IGESBasic_Group)) ||
igesEntity->IsKind(STANDARD_TYPE(IGESBasic_SingularSubfigure)) ||
igesEntity->IsKind(STANDARD_TYPE(IGESSolid_ManifoldSolid))) {
try {
if (aReader.TransferEntity(igesEntity)) {
if (aReader.NbShapes()>0) {
// get the shape
std::string aName = fi.fileNamePure();
if (igesEntity->HasShortLabel()) {
Handle(TCollection_HAsciiString) aLabel=igesEntity->ShortLabel();
aName = aLabel->ToCString();
}
TopoDS_Shape aShape=aReader.OneShape();
App::DocumentObject* obj = pcDoc->addObject("Part::Feature", aName.c_str());
obj->Label.setValue(aName);
static_cast<Part::Feature*>(obj)->Shape.setValue(aShape);
int iColor;
if (igesEntity->RankColor()>-1) {
iColor = igesEntity->RankColor();
}
}
}
}
catch (Standard_Failure) {
}
}
// normal shapes
else {
try {
if (aReader.TransferEntity(igesEntity)) {
if (aReader.NbShapes()>0) {
TopoDS_Shape aShape=aReader.OneShape();
builder.Add(comp, aShape);
emptyComp = Standard_False;
}
}
}
catch (Standard_Failure) {
}
}
}
if (!emptyComp) {
std::string name = fi.fileNamePure();
Part::Feature *pcFeature = static_cast<Part::Feature*>(pcDoc->addObject
("Part::Feature", name.c_str()));
pcFeature->Shape.setValue(comp);
}
#endif
}
catch (Standard_Failure) {
Handle(Standard_Failure) aFail = Standard_Failure::Caught();
throw Base::Exception(aFail->GetMessageString());
}
return 0;
}
