return !meshesImpacted.empty();
}
+/*!
+ * Precondition : all instances in \a mfds should have a single mesh with fields on it. If there is an instance with not exactly one mesh an exception will be thrown.
+ * You can invoke MEDFileFields::partOfThisLyingOnSpecifiedMeshName method to make it work.
+ */
+MCAuto<MEDFileData> MEDFileData::Aggregate(const std::vector<const MEDFileData *>& mfds)
+{
+ if(mfds.empty())
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : empty vector !");
+ std::size_t sz(mfds.size()),i(0);
+ MCAuto<MEDFileData> ret(MEDFileData::New());
+ std::vector<const MEDFileUMesh *> ms(sz);
+ std::vector< std::vector< std::pair<int,int> > > dts(sz);
+ for(std::vector<const MEDFileData *>::const_iterator it=mfds.begin();it!=mfds.end();it++,i++)
+ {
+ const MEDFileData *elt(*it);
+ if(!elt)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : presence of NULL pointer !");
+ const MEDFileMeshes *meshes(elt->getMeshes());
+ if(!meshes)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : presence of an instance with no meshes attached on it !");
+ if(meshes->getNumberOfMeshes()!=1)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : all instances in input vector must lie on exactly one mesh ! To have it you can invoke partOfThisLyingOnSpecifiedMeshName method.");
+ const MEDFileMesh *mesh(meshes->getMeshAtPos(0));
+ if(!mesh)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : presence of null mesh in a MEDFileData instance among input vector !");
+ const MEDFileUMesh *umesh(dynamic_cast<const MEDFileUMesh *>(mesh));
+ if(!umesh)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : works only for unstructured meshes !");
+ ms[i]=umesh;
+ dts[i]=umesh->getAllDistributionOfTypes();
+ }
+ MCAuto<MEDFileUMesh> agg_m(MEDFileUMesh::Aggregate(ms));
+ MCAuto<MEDFileMeshes> mss(MEDFileMeshes::New()); mss->pushMesh(agg_m);
+ ret->setMeshes(mss);
+ // fields
+ std::vector<std::string> fieldNames(mfds[0]->getFields()->getFieldsNames());
+ std::set<std::string> fieldNamess(fieldNames.begin(),fieldNames.end());
+ if(fieldNames.size()!=fieldNamess.size())
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : field names must be different each other !");
+ std::vector< std::vector<const MEDFileAnyTypeFieldMultiTS *> > vectOfFields(fieldNames.size());
+ std::vector< std::vector< MCAuto< MEDFileAnyTypeFieldMultiTS > > > vectOfFields2(fieldNames.size());
+ MCAuto<MEDFileFields> fss(MEDFileFields::New());
+ for(std::vector<const MEDFileData *>::const_iterator it=mfds.begin();it!=mfds.end();it++)
+ {
+ std::vector<std::string> fieldNames0((*it)->getFields()->getFieldsNames());
+ std::set<std::string> fieldNamess0(fieldNames0.begin(),fieldNames0.end());
+ if(fieldNamess!=fieldNamess0)
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : field names must be the same for all input instances !");
+ i=0;
+ for(std::vector<std::string>::const_iterator it1=fieldNames.begin();it1!=fieldNames.end();it1++,i++)
+ {
+ MCAuto<MEDFileAnyTypeFieldMultiTS> fmts((*it)->getFields()->getFieldWithName(*it1));
+ if(fmts.isNull())
+ throw INTERP_KERNEL::Exception("MEDFileData::Aggregate : internal error 1 !");
+ vectOfFields2[i].push_back(fmts); vectOfFields[i].push_back(fmts);
+ }
+ }
+ i=0;
+ for(std::vector<std::string>::const_iterator it1=fieldNames.begin();it1!=fieldNames.end();it1++,i++)
+ {
+ MCAuto<MEDFileAnyTypeFieldMultiTS> fmts(MEDFileAnyTypeFieldMultiTS::Aggregate(vectOfFields[i],dts));
+ fmts->setMeshName(agg_m->getName());
+ fss->pushField(fmts);
+ }
+ ret->setFields(fss);
+ return ret;
+}
+
MEDFileData::MEDFileData()
{
}
