SALOME_WNT_EXPORT
TopoDS_Shape ImportIGES (const TCollection_AsciiString& theFileName,
const TCollection_AsciiString& theFormatName,
TCollection_AsciiString& theError,
const TDF_Label& theShapeLabel)
{
IGESControl_Reader aReader;
TopoDS_Shape aResShape;
Interface_Static::SetCVal("xstep.cascade.unit","M");
try {
IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());
if (status == IFSelect_RetDone) {
if( theFormatName == "IGES_UNIT" ) {
Handle(IGESData_IGESModel) aModel =
Handle(IGESData_IGESModel)::DownCast(aReader.Model());
gp_Pnt P(1.0,0.0,0.0);
if(!aModel.IsNull()) {
Handle(TCollection_HAsciiString) aUnitName =
aModel->GlobalSection().UnitName();
//cout<<"aUnitName = "<<aUnitName->ToCString()<<endl;
//cout<<"aUnitFlag = "<<aModel->GlobalSection().UnitFlag()<<endl;
if( aUnitName->String()=="MM" ) {
P = gp_Pnt(0.001,0.0,0.0);
}
else if( aUnitName->String()=="CM" ) {
P = gp_Pnt(0.01,0.0,0.0);
}
}
BRep_Builder B;
TopoDS_Vertex V;
B.MakeVertex(V,P,1.e-7);
aResShape = V;
return aResShape;
}
if( theFormatName == "IGES_SCALE" ) {
//cout<<"need re-scale a model"<<endl;
// set UnitFlag to 'meter'
Handle(IGESData_IGESModel) aModel =
Handle(IGESData_IGESModel)::DownCast(aReader.Model());
if(!aModel.IsNull()) {
IGESData_GlobalSection aGS = aModel->GlobalSection();
aGS.SetUnitFlag(6);
aModel->SetGlobalSection(aGS);
}
}
MESSAGE("ImportIGES : all Geometry Transfer");
//OCC 5.1.2 porting
// aReader.Clear();
// aReader.TransferRoots(false);
aReader.ClearShapes();
aReader.TransferRoots();
MESSAGE("ImportIGES : count of shapes produced = " << aReader.NbShapes());
aResShape = aReader.OneShape();
// BEGIN: Store names of sub-shapes from file
Handle(Interface_InterfaceModel) Model = aReader.WS()->Model();
Handle(XSControl_TransferReader) TR = aReader.WS()->TransferReader();
if (!TR.IsNull()) {
Handle(Transfer_TransientProcess) TP = /*TransientProcess();*/TR->TransientProcess();
Standard_Integer nb = Model->NbEntities();
for (Standard_Integer i = 1; i <= nb; i++) {
Handle(IGESData_IGESEntity) ent = Handle(IGESData_IGESEntity)::DownCast(Model->Value(i));
if (ent.IsNull() || ! ent->HasName()) continue;
// find target shape
Handle(Transfer_Binder) binder = TP->Find(ent);
if (binder.IsNull()) continue;
TopoDS_Shape S = TransferBRep::ShapeResult(binder);
if (S.IsNull()) continue;
// create label and set shape
TDF_Label L;
TDF_TagSource aTag;
L = aTag.NewChild(theShapeLabel);
TNaming_Builder tnBuild (L);
tnBuild.Generated(S);
// set a name
TCollection_AsciiString string = ent->NameValue()->String();
string.LeftAdjust();
string.RightAdjust();
TCollection_ExtendedString str (string);
TDataStd_Name::Set(L, str);
}
}
// END: Store names
} else {
// switch (status) {
// case IFSelect_RetVoid:
// theError = "Nothing created or No data to process";
// break;
// case IFSelect_RetError:
// theError = "Error in command or input data";
// break;
// case IFSelect_RetFail:
// theError = "Execution was run, but has failed";
// break;
// case IFSelect_RetStop:
// theError = "Execution has been stopped. Quite possible, an exception was raised";
// break;
// default:
// break;
// }
theError = "Wrong format of the imported file. Can't import file.";
aResShape.Nullify();
}
}
catch(Standard_Failure) {
Handle(Standard_Failure) aFail = Standard_Failure::Caught();
theError = aFail->GetMessageString();
aResShape.Nullify();
}
return aResShape;
}
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;
}
