IfcGeom::Representation::Serialization::Serialization(const BRep& brep)
: Representation(brep.settings())
, _id(brep.getId())
{
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = brep.begin(); it != brep.end(); ++ it) {
const TopoDS_Shape& s = it->Shape();
gp_GTrsf trsf = it->Placement();
if (settings().convert_back_units()) {
gp_Trsf scale;
scale.SetScaleFactor(1.0 / settings().unit_magnitude());
trsf.PreMultiply(scale);
}
bool trsf_valid = false;
gp_Trsf _trsf;
try {
_trsf = trsf.Trsf();
trsf_valid = true;
} catch (...) {}
const TopoDS_Shape moved_shape = trsf_valid ? s.Moved(_trsf) :
BRepBuilderAPI_GTransform(s,trsf,true).Shape();
builder.Add(compound,moved_shape);
}
std::stringstream sstream;
BRepTools::Write(compound,sstream);
_brep_data = sstream.str();
}
IfcGeom::Representation::Serialization::Serialization(const BRep& brep)
: Representation(brep.settings())
, _id(brep.getId())
{
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = brep.begin(); it != brep.end(); ++ it) {
const TopoDS_Shape& s = it->Shape();
gp_GTrsf trsf = it->Placement();
if (it->hasStyle() && it->Style().Diffuse()) {
const IfcGeom::SurfaceStyle::ColorComponent& clr = *it->Style().Diffuse();
_surface_styles.push_back(clr.R());
_surface_styles.push_back(clr.G());
_surface_styles.push_back(clr.B());
} else {
_surface_styles.push_back(-1.);
_surface_styles.push_back(-1.);
_surface_styles.push_back(-1.);
}
if (it->hasStyle() && it->Style().Transparency()) {
_surface_styles.push_back(1. - *it->Style().Transparency());
} else {
_surface_styles.push_back(1.);
}
if (settings().get(IteratorSettings::CONVERT_BACK_UNITS)) {
gp_Trsf scale;
scale.SetScaleFactor(1.0 / settings().unit_magnitude());
trsf.PreMultiply(scale);
}
bool trsf_valid = false;
gp_Trsf _trsf;
try {
_trsf = trsf.Trsf();
trsf_valid = true;
} catch (...) {}
const TopoDS_Shape moved_shape = trsf_valid ? s.Moved(_trsf) :
BRepBuilderAPI_GTransform(s,trsf,true).Shape();
builder.Add(compound,moved_shape);
}
std::stringstream sstream;
BRepTools::Write(compound,sstream);
_brep_data = sstream.str();
}