TopoDS_Shape StepLoader::get_shape() {
TopoDS_Shape shape;
STEPControl_Reader reader;
reader.ReadFile(filename.toLocal8Bit());
reader.TransferRoots();
shape = reader.OneShape();
BRepTools::Clean(shape);
return shape;
}
TopoDS_Shape openSTEP(char const *filename)
{
STEPControl_Reader reader;
IFSelect_ReturnStatus status = reader.ReadFile(filename);
assert(status == IFSelect_RetDone);
reader.TransferRoots();
return reader.OneShape();
}
int step2stl(char *in, char *out) {
// Read from STEP
STEPControl_Reader reader;
IFSelect_ReturnStatus stat = reader.ReadFile(in);
Standard_Integer NbRoots = reader.NbRootsForTransfer();
Standard_Integer NbTrans = reader.TransferRoots();
TopoDS_Shape Original_Solid = reader.OneShape();
// Write to STL
StlAPI_Writer stlWriter = StlAPI_Writer();
// stlWriter.SetCoefficient(0.0001);
stlWriter.ASCIIMode() = Standard_False;
stlWriter.Write( Original_Solid, out);
return 1;
}
bool Translator::importSTEP(const QString& file)
{
STEPControl_Reader reader;
IFSelect_ReturnStatus status = reader.ReadFile(file.toUtf8().data());
if(status == IFSelect_RetDone) {
reader.PrintCheckLoad(false, IFSelect_ItemsByEntity);
int nbr = reader.NbRootsForTransfer();
reader.PrintCheckTransfer(false, IFSelect_ItemsByEntity);
for (Standard_Integer n = 1; n <= nbr; n++) {
bool ok = reader.TransferRoot(n);
int nbs = reader.NbShapes();
if (!ok || nbs == 0)
continue;
else if (nbr == 1 && nbs == 1) {
TopoDS_Shape shape = reader.OneShape();
if (shape.ShapeType() == TopAbs_COMPOUND) {
for (TopoDS_Iterator It(shape); It.More(); It.Next())
m_doc->insert(It.Value(), QFileInfo(file).baseName());
break;
}
}
for (Standard_Integer i = 1; i <= nbs; i++) {
TopoDS_Shape shape = reader.Shape(i);
if (!shape.IsNull())
m_doc->insert(shape, QFileInfo(file).baseName());
}
}
return true;
}
return false;
}
void loadSTEP(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;
STEPControl_Reader reader;
std::cout << filename << std::endl;
reader.ReadFile(filename);
Standard_Integer NbRoots = reader.NbRootsForTransfer();
std::cout << "Number of Roots in the STEP File: " << NbRoots << std::endl;
Standard_Integer NbTrans = reader.TransferRoots();
std::cout << "STEP 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, 0.05);
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);
}
}
/*
for(; vertexExp.More(); vertexExp.Next())
{
m_facep->clear();
const TopoDS_Vertex& aVertex = TopoDS::Vertex(vertexExp.Current());
//TopoDS_Edge edge = TopoDS::Edge(shape);
TopLoc_Location location;
Standard_Real pFirst, pLast;
//Handle(Geom_Curve) curve = BRep_Tool::Curve(anEdge, location, pFirst, pLast);
//std::cout << "pFirst = " << pFirst << std::endl;
gp_Pnt p = BRep_Tool::Pnt(aVertex);
std::cout << "Vector3Df(" << p.X() << ", " << p.Y() << ", " << p.Z() << std::endl;
//points.push_back(Vector3Df(p.X()/1000.0, p.Y()/1000.0, p.Z()/1000.0));
m_facep->push_back(Vector3Df(p.X()/1000.0, p.Y()/1000.0, p.Z()/1000.0));
// TopLoc_Location L;
// Handle (Poly_Triangulation) facing = BRep_Tool::Triangulation(aFace,L);
// if(!(facing.IsNull()))std::cout << "Number of Triangles in Face #" << f_n << ": " << facing->NbTriangles() << std::endl;
// f_n++;
}
m_facesp->push_back(*m_facep);
*/
}
//std::cout << " opencascaded: m_trisp->size()" << m_trisp->size() << std::endl;
// segment.destroy<TestFaces>("m_tris");
}