+
+ /*!
+ * Builds a newly created field, that the caller will have the responsability to deal with.
+ * \n This method makes the assumption that \a this field is correctly defined when this method is called (\a this->checkConsistencyLight() returns without any exception thrown), **no check of this will be done**.
+ * \n This method returns a restriction of \a this so that only tuple ids specified in [ \a partBg , \a partEnd ) will be contained in the returned field.
+ * \n Parameter [\a partBg, \a partEnd ) specifies **cell ids whatever the spatial discretization** of \a this (
+ * \ref MEDCoupling::ON_CELLS "ON_CELLS",
+ * \ref MEDCoupling::ON_NODES "ON_NODES",
+ * \ref MEDCoupling::ON_GAUSS_PT "ON_GAUSS_PT",
+ * \ref MEDCoupling::ON_GAUSS_NE "ON_GAUSS_NE",
+ * \ref MEDCoupling::ON_NODES_KR "ON_NODES_KR").
+ *
+ * For example, \a this is a field on cells lying on a mesh that have 10 cells, \a partBg contains the following cell ids [3,7,6].
+ * Then the returned field will lie on mesh having 3 cells and will contain 3 tuples.
+ *- Tuple #0 of the result field will refer to the cell #0 of returned mesh. The cell #0 of returned mesh will be equal to the cell #3 of \a this->getMesh().
+ *- Tuple #1 of the result field will refer to the cell #1 of returned mesh. The cell #1 of returned mesh will be equal to the cell #7 of \a this->getMesh().
+ *- Tuple #2 of the result field will refer to the cell #2 of returned mesh. The cell #2 of returned mesh will be equal to the cell #6 of \a this->getMesh().
+ *
+ * Let, for example, \a this be a field on nodes lying on a mesh that have 10 cells and 11 nodes, and \a partBg contains following cellIds [3,7,6].
+ * Thus \a this currently contains 11 tuples. If the restriction of mesh to 3 cells leads to a mesh with 6 nodes, then the returned field
+ * will contain 6 tuples and \a this field will lie on this restricted mesh.
+ *
+ * \param [in] partBg - start (included) of input range of cell ids to select [ \a partBg, \a partEnd )
+ * \param [in] partEnd - end (not included) of input range of cell ids to select [ \a partBg, \a partEnd )
+ * \return a newly allocated field the caller should deal with.
+ *
+ * \throw if there is presence of an invalid cell id in [ \a partBg, \a partEnd ) regarding the number of cells of \a this->getMesh().
+ *
+ * \if ENABLE_EXAMPLES
+ * \ref cpp_mcfielddouble_subpart1 "Here a C++ example."<br>
+ * \ref py_mcfielddouble_subpart1 "Here a Python example."
+ * \endif
+ * \sa MEDCoupling::MEDCouplingFieldDouble::buildSubPart(const DataArrayInt *) const, MEDCouplingFieldDouble::buildSubPartRange
+ */
+ template<class T>
+ typename Traits<T>::FieldType *MEDCouplingFieldT<T>::buildSubPart(const int *partBg, const int *partEnd) const
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("MEDCouplingFieldT::buildSubPart : Expecting a not NULL spatial discretization !");
+ DataArrayInt *arrSelect;
+ MCAuto<MEDCouplingMesh> m=_type->buildSubMeshData(_mesh,partBg,partEnd,arrSelect);
+ MCAuto<DataArrayInt> arrSelect2(arrSelect);
+ MCAuto< typename Traits<T>::FieldType > ret(clone(false));//quick shallow copy.
+ const MEDCouplingFieldDiscretization *disc=getDiscretization();
+ if(disc)
+ ret->setDiscretization(MCAuto<MEDCouplingFieldDiscretization>(disc->clonePart(partBg,partEnd)));
+ ret->setMesh(m);
+ std::vector<typename Traits<T>::ArrayType *> arrays;
+ timeDiscrSafe()->getArrays(arrays);
+ std::vector<typename Traits<T>::ArrayType *> arrs;
+ std::vector< MCAuto< typename Traits<T>::ArrayType > > arrsSafe;
+ const int *arrSelBg=arrSelect->begin();
+ const int *arrSelEnd=arrSelect->end();
+ for(typename std::vector<typename Traits<T>::ArrayType *>::const_iterator iter=arrays.begin();iter!=arrays.end();iter++)
+ {
+ typename Traits<T>::ArrayType *arr(0);
+ if(*iter)
+ arr=(*iter)->selectByTupleIdSafe(arrSelBg,arrSelEnd);
+ arrs.push_back(arr); arrsSafe.push_back(arr);
+ }
+ ret->timeDiscrSafe()->setArrays(arrs,0);
+ return ret.retn();
+ }
+
+ /*!
+ * Builds a newly created field, that the caller will have the responsability to deal with (decrRef()).
+ * This method makes the assumption that the field is correctly defined when this method is called, no check of this will be done.
+ * This method returns a restriction of \a this so that only tuples with ids specified in \a part will be contained in the returned field.
+ * Parameter \a part specifies **cell ids whatever the spatial discretization of this** (
+ * \ref MEDCoupling::ON_CELLS "ON_CELLS",
+ * \ref MEDCoupling::ON_NODES "ON_NODES",
+ * \ref MEDCoupling::ON_GAUSS_PT "ON_GAUSS_PT",
+ * \ref MEDCoupling::ON_GAUSS_NE "ON_GAUSS_NE",
+ * \ref MEDCoupling::ON_NODES_KR "ON_NODES_KR").
+ *
+ * For example, \a this is a field on cells lying on a mesh that have 10 cells, \a part contains following cell ids [3,7,6].
+ * Then the returned field will lie on mesh having 3 cells and the returned field will contain 3 tuples.<br>
+ * Tuple #0 of the result field will refer to the cell #0 of returned mesh. The cell #0 of returned mesh will be equal to the cell #3 of \a this->getMesh().<br>
+ * Tuple #1 of the result field will refer to the cell #1 of returned mesh. The cell #1 of returned mesh will be equal to the cell #7 of \a this->getMesh().<br>
+ * Tuple #2 of the result field will refer to the cell #2 of returned mesh. The cell #2 of returned mesh will be equal to the cell #6 of \a this->getMesh().
+ *
+ * Let, for example, \a this be a field on nodes lying on a mesh that have 10 cells and 11 nodes, and \a part contains following cellIds [3,7,6].
+ * Thus \a this currently contains 11 tuples. If the restriction of mesh to 3 cells leads to a mesh with 6 nodes, then the returned field
+ * will contain 6 tuples and \a this field will lie on this restricted mesh.
+ *
+ * \param [in] part - an array of cell ids to include to the result field.
+ * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble. The caller is to delete this field using decrRef() as it is no more needed.
+ *
+ * \if ENABLE_EXAMPLES
+ * \ref cpp_mcfielddouble_subpart1 "Here is a C++ example".<br>
+ * \ref py_mcfielddouble_subpart1 "Here is a Python example".
+ * \endif
+ * \sa MEDCouplingFieldDouble::buildSubPartRange
+ */
+ template<class T>
+ typename Traits<T>::FieldType *MEDCouplingFieldT<T>::buildSubPart(const DataArrayInt *part) const
+ {
+ if(part==0)
+ throw INTERP_KERNEL::Exception("MEDCouplingFieldT::buildSubPart : not empty array must be passed to this method !");
+ return buildSubPart(part->begin(),part->end());
+ }
+
+ /*!
+ * This method is equivalent to MEDCouplingFieldDouble::buildSubPart, the only difference is that the input range of cell ids is
+ * given using a range given \a begin, \a end and \a step to optimize the part computation.
+ *
+ * \sa MEDCouplingFieldDouble::buildSubPart
+ */
+ template<class T>
+ typename Traits<T>::FieldType *MEDCouplingFieldT<T>::buildSubPartRange(int begin, int end, int step) const
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("MEDCouplingFieldDouble::buildSubPart : Expecting a not NULL spatial discretization !");
+ DataArrayInt *arrSelect;
+ int beginOut,endOut,stepOut;
+ MCAuto<MEDCouplingMesh> m(_type->buildSubMeshDataRange(_mesh,begin,end,step,beginOut,endOut,stepOut,arrSelect));
+ MCAuto<DataArrayInt> arrSelect2(arrSelect);
+ MCAuto< typename Traits<T>::FieldType > ret(clone(false));//quick shallow copy.
+ const MEDCouplingFieldDiscretization *disc=getDiscretization();
+ if(disc)
+ ret->setDiscretization(MCAuto<MEDCouplingFieldDiscretization>(disc->clonePartRange(begin,end,step)));
+ ret->setMesh(m);
+ std::vector<typename Traits<T>::ArrayType *> arrays;
+ timeDiscrSafe()->getArrays(arrays);
+ std::vector<typename Traits<T>::ArrayType *> arrs;
+ std::vector< MCAuto< typename Traits<T>::ArrayType > > arrsSafe;
+ for(typename std::vector<typename Traits<T>::ArrayType *>::const_iterator iter=arrays.begin();iter!=arrays.end();iter++)
+ {
+ typename Traits<T>::ArrayType *arr(0);
+ if(*iter)
+ {
+ if(arrSelect)
+ {
+ const int *arrSelBg=arrSelect->begin();
+ const int *arrSelEnd=arrSelect->end();
+ arr=(*iter)->selectByTupleIdSafe(arrSelBg,arrSelEnd);
+ }
+ else
+ arr=(*iter)->selectByTupleIdSafeSlice(beginOut,endOut,stepOut);
+ }
+ arrs.push_back(arr); arrsSafe.push_back(arr);
+ }
+ ret->timeDiscrSafe()->setArrays(arrs,0);
+ return ret.retn();
+ }
+
+ template<class T>
+ const MEDCouplingTimeDiscretizationTemplate<T> *MEDCouplingFieldT<T>::timeDiscrSafe() const
+ {
+ const MEDCouplingTimeDiscretizationTemplate<T> *ret(_time_discr);
+ if(!ret)
+ throw INTERP_KERNEL::Exception("const FieldT : Null type of time discr !");
+ return ret;
+ }
+
+ template<class T>
+ MEDCouplingTimeDiscretizationTemplate<T> *MEDCouplingFieldT<T>::timeDiscrSafe()
+ {
+ MEDCouplingTimeDiscretizationTemplate<T> *ret(_time_discr);
+ if(!ret)
+ throw INTERP_KERNEL::Exception("const FieldT : Null type of time discr !");
+ return ret;
+ }
+
+ template<class T>
+ void MEDCouplingFieldT<T>::getTinySerializationStrInformation(std::vector<std::string>& tinyInfo) const
+ {
+ tinyInfo.clear();
+ timeDiscrSafe()->getTinySerializationStrInformation(tinyInfo);
+ tinyInfo.push_back(_name);
+ tinyInfo.push_back(_desc);
+ tinyInfo.push_back(getTimeUnit());
+ }
+
+ /*!
+ * This method retrieves some critical values to resize and prepare remote instance.
+ * The first two elements returned in tinyInfo correspond to the parameters to give in constructor.
+ * @param tinyInfo out parameter resized correctly after the call. The length of this vector is tiny.
+ */
+ template<class T>
+ void MEDCouplingFieldT<T>::getTinySerializationIntInformation(std::vector<int>& tinyInfo) const
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform getTinySerializationIntInformation !");
+ tinyInfo.clear();
+ tinyInfo.push_back((int)_type->getEnum());
+ tinyInfo.push_back((int)timeDiscrSafe()->getEnum());
+ tinyInfo.push_back((int)_nature);
+ timeDiscrSafe()->getTinySerializationIntInformation(tinyInfo);
+ std::vector<int> tinyInfo2;
+ _type->getTinySerializationIntInformation(tinyInfo2);
+ tinyInfo.insert(tinyInfo.end(),tinyInfo2.begin(),tinyInfo2.end());
+ tinyInfo.push_back((int)tinyInfo2.size());
+ }
+
+ /*!
+ * This method retrieves some critical values to resize and prepare remote instance.
+ * @param tinyInfo out parameter resized correctly after the call. The length of this vector is tiny.
+ */
+ template<class T>
+ void MEDCouplingFieldT<T>::getTinySerializationDbleInformation(std::vector<double>& tinyInfo) const
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform getTinySerializationDbleInformation !");
+ tinyInfo.clear();
+ timeDiscrSafe()->getTinySerializationDbleInformation(tinyInfo);
+ std::vector<double> tinyInfo2;
+ _type->getTinySerializationDbleInformation(tinyInfo2);
+ tinyInfo.insert(tinyInfo.end(),tinyInfo2.begin(),tinyInfo2.end());
+ tinyInfo.push_back((int)tinyInfo2.size());//very bad, lack of time to improve it
+ }
+
+ /*!
+ * This method has to be called to the new instance filled by CORBA, MPI, File...
+ * @param tinyInfoI is the value retrieves from distant result of getTinySerializationIntInformation on source instance to be copied.
+ * @param dataInt out parameter. If not null the pointer is already owned by \a this after the call of this method. In this case no decrRef must be applied.
+ * @param arrays out parameter is a vector resized to the right size. The pointers in the vector is already owned by \a this after the call of this method.
+ * No decrRef must be applied to every instances in returned vector.
+ * \sa checkForUnserialization
+ */
+ template<class T>
+ void MEDCouplingFieldT<T>::resizeForUnserialization(const std::vector<int>& tinyInfoI, DataArrayInt *&dataInt, std::vector<typename Traits<T>::ArrayType *>& arrays)
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform resizeForUnserialization !");
+ dataInt=0;
+ std::vector<int> tinyInfoITmp(tinyInfoI);
+ int sz=tinyInfoITmp.back();
+ tinyInfoITmp.pop_back();
+ std::vector<int> tinyInfoITmp2(tinyInfoITmp.begin(),tinyInfoITmp.end()-sz);
+ std::vector<int> tinyInfoI2(tinyInfoITmp2.begin()+3,tinyInfoITmp2.end());
+ timeDiscrSafe()->resizeForUnserialization(tinyInfoI2,arrays);
+ std::vector<int> tinyInfoITmp3(tinyInfoITmp.end()-sz,tinyInfoITmp.end());
+ _type->resizeForUnserialization(tinyInfoITmp3,dataInt);
+ }
+
+ /*!
+ * This method is extremely close to resizeForUnserialization except that here the arrays in \a dataInt and in \a arrays are attached in \a this
+ * after having checked that size is correct. This method is used in python pickeling context to avoid copy of data.
+ * \sa resizeForUnserialization
+ */
+ template<class T>
+ void MEDCouplingFieldT<T>::checkForUnserialization(const std::vector<int>& tinyInfoI, const DataArrayInt *dataInt, const std::vector<typename Traits<T>::ArrayType *>& arrays)
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform resizeForUnserialization !");
+ std::vector<int> tinyInfoITmp(tinyInfoI);
+ int sz=tinyInfoITmp.back();
+ tinyInfoITmp.pop_back();
+ std::vector<int> tinyInfoITmp2(tinyInfoITmp.begin(),tinyInfoITmp.end()-sz);
+ std::vector<int> tinyInfoI2(tinyInfoITmp2.begin()+3,tinyInfoITmp2.end());
+ timeDiscrSafe()->checkForUnserialization(tinyInfoI2,arrays);
+ std::vector<int> tinyInfoITmp3(tinyInfoITmp.end()-sz,tinyInfoITmp.end());
+ _type->checkForUnserialization(tinyInfoITmp3,dataInt);
+ }
+
+ template<class T>
+ void MEDCouplingFieldT<T>::finishUnserialization(const std::vector<int>& tinyInfoI, const std::vector<double>& tinyInfoD, const std::vector<std::string>& tinyInfoS)
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform finishUnserialization !");
+ std::vector<int> tinyInfoI2(tinyInfoI.begin()+3,tinyInfoI.end());
+ //
+ std::vector<double> tmp(tinyInfoD);
+ int sz=(int)tinyInfoD.back();//very bad, lack of time to improve it
+ tmp.pop_back();
+ std::vector<double> tmp1(tmp.begin(),tmp.end()-sz);
+ std::vector<double> tmp2(tmp.end()-sz,tmp.end());
+ //
+ timeDiscrSafe()->finishUnserialization(tinyInfoI2,tmp1,tinyInfoS);
+ _nature=(NatureOfField)tinyInfoI[2];
+ _type->finishUnserialization(tmp2);
+ int nbOfElemS=(int)tinyInfoS.size();
+ _name=tinyInfoS[nbOfElemS-3];
+ _desc=tinyInfoS[nbOfElemS-2];
+ setTimeUnit(tinyInfoS[nbOfElemS-1]);
+ }
+
+ /*!
+ * Contrary to MEDCouplingPointSet class the returned arrays are \b not the responsabilities of the caller.
+ * The values returned must be consulted only in readonly mode.
+ */
+ template<class T>
+ void MEDCouplingFieldT<T>::serialize(DataArrayInt *&dataInt, std::vector<typename Traits<T>::ArrayType *>& arrays) const
+ {
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("No spatial discretization underlying this field to perform serialize !");
+ timeDiscrSafe()->getArrays(arrays);
+ _type->getSerializationIntArray(dataInt);
+ }