-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D
+// Copyright (C) 2007-2020 CEA/DEN, EDF R&D
//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+// Author : Anthony Geay (CEA/DEN)
+
#include "MEDCouplingField.hxx"
#include "MEDCouplingMesh.hxx"
+#include "MEDCouplingFieldDiscretization.hxx"
+
+#include <sstream>
+
+using namespace MEDCoupling;
+
+void MEDCouplingField::checkConsistencyLight() const
+{
+ if(!_mesh)
+ throw INTERP_KERNEL::Exception("Field invalid because no mesh specified !");
+ if(_type.isNull())
+ throw INTERP_KERNEL::Exception("MEDCouplingField::checkConsistencyLight : no spatial discretization !");
+}
+
+bool MEDCouplingField::isEqualIfNotWhyProtected(const MEDCouplingField *other, double meshPrec, std::string& reason) const
+{
+ if(!other)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::isEqualIfNotWhy : other instance is NULL !");
+ std::ostringstream oss; oss.precision(15);
+ if(_name!=other->_name)
+ {
+ oss << "Field names differ : this name = \"" << _name << "\" and other name = \"" << other->_name << "\" !";
+ reason=oss.str();
+ return false;
+ }
+ if(_desc!=other->_desc)
+ {
+ oss << "Field descriptions differ : this description = \"" << _desc << "\" and other description = \"" << other->_desc << "\" !";
+ reason=oss.str();
+ return false;
+ }
+ if(_nature!=other->_nature)
+ {
+ oss << "Field nature differ : this nature = \"" << MEDCouplingNatureOfField::GetRepr(_nature) << "\" and other nature = \"" << MEDCouplingNatureOfField::GetRepr(other->_nature) << "\" !";
+ reason=oss.str();
+ return false;
+ }
+ if(!_type->isEqualIfNotWhy(other->_type,meshPrec,reason))
+ {
+ reason.insert(0,"Spatial discretizations differ :");
+ return false;
+ }
+ if(_mesh==0 && other->_mesh==0)
+ return true;
+ if(_mesh==0 || other->_mesh==0)
+ {
+ reason="Only one field between the two this and other has its underlying mesh defined !";
+ return false;
+ }
+ if(_mesh==other->_mesh)
+ return true;
+ bool ret=_mesh->isEqualIfNotWhy(other->_mesh,meshPrec,reason);
+ if(!ret)
+ reason.insert(0,"Underlying meshes of fields differ for the following reason : ");
+ return ret;
+}
+
+/*!
+ * Checks if \a this and another MEDCouplingField are equal. The textual
+ * information like names etc. is not considered.
+ * \param [in] other - the field to compare with \a this one.
+ * \param [in] meshPrec - precision used to compare node coordinates of the underlying mesh.
+ * \return bool - \c true if the two fields are equal, \c false else.
+ * \throw If \a other is NULL.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+bool MEDCouplingField::isEqualWithoutConsideringStrProtected(const MEDCouplingField *other, double meshPrec) const
+{
+ if(!other)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::isEqualWithoutConsideringStr : input field is NULL !");
+ if(!_type)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::isEqualWithoutConsideringStr : spatial discretization of this is NULL !");
+ if(!_type->isEqualWithoutConsideringStr(other->_type,meshPrec))
+ return false;
+ if(_nature!=other->_nature)
+ return false;
+ if(_mesh==0 && other->_mesh==0)
+ return true;
+ if(_mesh==0 || other->_mesh==0)
+ return false;
+ if(_mesh==other->_mesh)
+ return true;
+ return _mesh->isEqualWithoutConsideringStr(other->_mesh,meshPrec);
+}
+
+/*!
+ * This method states if 'this' and 'other' are compatibles each other before performing any treatment.
+ * This method is good for methods like : mergeFields.
+ * This method is not very demanding compared to areStrictlyCompatible that is better for operation on fields.
+ */
+bool MEDCouplingField::areCompatibleForMerge(const MEDCouplingField *other) const
+{
+ if(!other)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::areCompatibleForMerge : input field is NULL !");
+ if(!_type || !other->_type)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::areCompatibleForMerge : this or other has a nullptr spatial discretization !");
+ if(_type->getEnum()!=other->_type->getEnum())
+ return false;
+ if(_nature!=other->_nature)
+ return false;
+ if(_mesh==other->_mesh)
+ return true;
+ return _mesh->areCompatibleForMerge(other->_mesh);
+}
+
+/*!
+ * This method is more strict than MEDCouplingField::areCompatibleForMerge method.
+ * This method is used for operation on fields to operate a first check before attempting operation.
+ */
+bool MEDCouplingField::areStrictlyCompatible(const MEDCouplingField *other) const
+{
+ if(!other)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::areStrictlyCompatible : input field is NULL !");
+ if(!_type->isEqual(other->_type,1.e-12))
+ return false;
+ if(_nature!=other->_nature)
+ return false;
+ return _mesh==other->_mesh;
+}
+
+/*!
+ * This method is less strict than MEDCouplingField::areStrictlyCompatible method.
+ * The difference is that the nature is not checked.
+ * This method is used for multiplication and division on fields to operate a first check before attempting operation.
+ */
+bool MEDCouplingField::areStrictlyCompatibleForMulDiv(const MEDCouplingField *other) const
+{
+ if(!other)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::areStrictlyCompatible : input field is NULL !");
+ if(!_type->isEqual(other->_type,1.e-12))
+ return false;
+ return _mesh==other->_mesh;
+}
-using namespace ParaMEDMEM;
-void MEDCouplingField::updateTime()
+void MEDCouplingField::updateTime() const
{
if(_mesh)
updateTimeWith(*_mesh);
+ if(_type)
+ updateTimeWith(*_type);
}
-void MEDCouplingField::setMesh(MEDCouplingMesh *mesh)
+std::size_t MEDCouplingField::getHeapMemorySizeWithoutChildren() const
+{
+ std::size_t ret=0;
+ ret+=_name.capacity();
+ ret+=_desc.capacity();
+ return ret;
+}
+
+std::vector<const BigMemoryObject *> MEDCouplingField::getDirectChildrenWithNull() const
+{
+ std::vector<const BigMemoryObject *> ret;
+ ret.push_back(_mesh);
+ ret.push_back((const MEDCouplingFieldDiscretization *)_type);
+ return ret;
+}
+
+/*!
+ * Returns a type of \ref MEDCouplingSpatialDisc "spatial discretization" of \a this
+ * field in terms of enum MEDCoupling::TypeOfField.
+ * \return MEDCoupling::TypeOfField - the type of \a this field.
+ * \throw If the geometric type is empty.
+ */
+TypeOfField MEDCouplingField::getTypeOfField() const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getTypeOfField : spatial discretization is null !");
+ return _type->getEnum();
+}
+
+/*!
+ * Returns the nature of \a this field. This information is very important during
+ * interpolation process using MEDCoupling::MEDCouplingRemapper or MEDCoupling::InterpKernelDEC.
+ * In other context than the two mentioned above, this attribute is unimportant. This
+ * attribute is not stored in the MED file.
+ * For more information of the semantics and the influence of this attribute to the
+ * result of interpolation, see
+ * - \ref NatureOfField
+ * - \ref TableNatureOfField "How interpolation coefficients depend on Field Nature"
+ */
+NatureOfField MEDCouplingField::getNature() const
+{
+ return _nature;
+}
+
+/*!
+ * Sets the nature of \a this field. This information is very important during
+ * interpolation process using MEDCoupling::MEDCouplingRemapper or MEDCoupling::InterpKernelDEC.
+ * In other context than the two mentioned above, this attribute is unimportant. This
+ * attribute is not stored in the MED file.
+ * For more information of the semantics and the influence of this attribute to the
+ * result of interpolation, see
+ * - \ref NatureOfField
+ * - \ref TableNatureOfField "How interpolation coefficients depend on Field Nature"
+ *
+ * \param [in] nat - the nature of \a this field.
+ * \throw If \a nat has an invalid value.
+ */
+void MEDCouplingField::setNature(NatureOfField nat)
+{
+ MEDCouplingNatureOfField::GetRepr(nat);//generate a throw if nat not recognized
+ if(_type)
+ _type->checkCompatibilityWithNature(nat);
+ _nature=nat;
+}
+
+/*!
+ * Returns coordinates of field location points that depend on
+ * \ref MEDCouplingSpatialDisc "spatial discretization" of \a this field.
+ * - For a field on nodes, returns coordinates of nodes.
+ * - For a field on cells, returns barycenters of cells.
+ * - For a field on gauss points, returns coordinates of gauss points.
+ *
+ * \return DataArrayDouble * - a new instance of DataArrayDouble. The caller is to
+ * delete this array using decrRef() as it is no more needed.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ */
+DataArrayDouble *MEDCouplingField::getLocalizationOfDiscr() const
+{
+ if(!_mesh)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getLocalizationOfDiscr : No mesh set !");
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getLocalizationOfDiscr : No spatial discretization set !");
+ return _type->getLocalizationOfDiscValues(_mesh);
+}
+
+/*!
+ * Returns a new MEDCouplingFieldDouble containing volumes of cells of a dual mesh whose
+ * cells are constructed around field location points (getLocalizationOfDiscr()) of \a this
+ * field. (In case of a field on cells, the dual mesh coincides with the underlying mesh).<br>
+ * For 1D cells, the returned field contains lengths.<br>
+ * For 2D cells, the returned field contains areas.<br>
+ * For 3D cells, the returned field contains volumes.
+ * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
+ * orientation, i.e. the volume is always positive.
+ * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble.
+ * The caller is to delete this array using decrRef() as
+ * it is no more needed.
+ * \throw If the mesh is not set.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the spatial discretization of \a this field is not well defined.
+ */
+
+MEDCouplingFieldDouble *MEDCouplingField::buildMeasureField(bool isAbs) const
+{
+ if(!_mesh)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::buildMeasureField : no mesh defined !");
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("MEDCouplingField::buildMeasureField : No spatial discretization set !");
+ return _type->getMeasureField(_mesh,isAbs);
+}
+
+/*!
+ * Sets the underlying mesh of \a this field.
+ * For examples of field construction, see \ref MEDCouplingFirstSteps3.
+ * \param [in] mesh - the new underlying mesh.
+ */
+void MEDCouplingField::setMesh(const MEDCouplingMesh *mesh)
{
if(mesh!=_mesh)
{
if(_mesh)
_mesh->decrRef();
_mesh=mesh;
+ declareAsNew();
if(_mesh)
{
_mesh->incrRef();
}
}
+/*!
+ * Sets localization of Gauss points for a given geometric type of cell.
+ * \param [in] type - the geometric type of cell for which the Gauss localization is set.
+ * \param [in] refCoo - coordinates of points of the reference cell. Size of this vector
+ * must be \c nbOfNodesPerCell * \c dimOfType.
+ * \param [in] gsCoo - coordinates of Gauss points on the reference cell. Size of this vector
+ * must be _wg_.size() * \c dimOfType.
+ * \param [in] wg - the weights of Gauss points.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ * \throw If size of any vector do not match the \a type.
+ */
+void MEDCouplingField::setGaussLocalizationOnType(INTERP_KERNEL::NormalizedCellType type, const std::vector<double>& refCoo,
+ const std::vector<double>& gsCoo, const std::vector<double>& wg)
+{
+ if(!_mesh)
+ throw INTERP_KERNEL::Exception("Mesh has to be set before calling setGaussLocalizationOnType method !");
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call setGaussLocalizationOnType method !");
+ _type->setGaussLocalizationOnType(_mesh,type,refCoo,gsCoo,wg);
+}
+
+/*!
+ * Sets localization of Gauss points for given cells specified by their ids.
+ * \param [in] begin - an array of cell ids of interest.
+ * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
+ * \param [in] refCoo - coordinates of points of the reference cell. Size of this vector
+ * must be \c nbOfNodesPerCell * \c dimOfType.
+ * \param [in] gsCoo - coordinates of Gauss points on the reference cell. Size of this vector
+ * must be _wg_.size() * \c dimOfType.
+ * \param [in] wg - the weights of Gauss points.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ * \throw If size of any vector do not match the type of cell # \a begin[0].
+ * \throw If type of any cell in \a begin differs from that of cell # \a begin[0].
+ * \throw If the range [_begin_,_end_) is empty.
+ */
+void MEDCouplingField::setGaussLocalizationOnCells(const mcIdType *begin, const mcIdType *end, const std::vector<double>& refCoo,
+ const std::vector<double>& gsCoo, const std::vector<double>& wg)
+{
+ if(!_mesh)
+ throw INTERP_KERNEL::Exception("Mesh has to be set before calling setGaussLocalizationOnCells method !");
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call setGaussLocalizationOnCells method !");
+ _type->setGaussLocalizationOnCells(_mesh,begin,end,refCoo,gsCoo,wg);
+}
+
+/*!
+ * Clears data on Gauss points localization.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+void MEDCouplingField::clearGaussLocalizations()
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call clearGaussLocalizations method !");
+ _type->clearGaussLocalizations();
+}
+
+/*!
+ * Returns a reference to the Gauss localization object by its id.
+ * \warning This method is not const, so the returned object can be modified without any
+ * problem.
+ * \param [in] locId - the id of the Gauss localization object of interest.
+ * It must be in range <em> 0 <= locId < getNbOfGaussLocalization() </em>.
+ * \return \ref MEDCoupling::MEDCouplingGaussLocalization "MEDCouplingGaussLocalization" & - the
+ * Gauss localization object.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If \a locId is not within the valid range.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+MEDCouplingGaussLocalization& MEDCouplingField::getGaussLocalization(int locId)
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getGaussLocalization method !");
+ return _type->getGaussLocalization(locId);
+}
+
+/*!
+ * Returns an id of the Gauss localization object corresponding to a given cell type.
+ * \param [in] type - the cell type of interest.
+ * \return mcIdType - the id of the Gauss localization object.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If no Gauss localization object found for the given cell \a type.
+ * \throw If more than one Gauss localization object found for the given cell \a type.
+ */
+mcIdType MEDCouplingField::getGaussLocalizationIdOfOneType(INTERP_KERNEL::NormalizedCellType type) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getGaussLocalizationIdOfOneType method !");
+ return _type->getGaussLocalizationIdOfOneType(type);
+}
+
+/*!
+ * Returns ids of Gauss localization objects corresponding to a given cell type.
+ * \param [in] type - the cell type of interest.
+ * \return std::set<mcIdType> - ids of the Gauss localization object.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL
+ */
+std::set<mcIdType> MEDCouplingField::getGaussLocalizationIdsOfOneType(INTERP_KERNEL::NormalizedCellType type) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getGaussLocalizationIdsOfOneType method !");
+ return _type->getGaussLocalizationIdsOfOneType(type);
+}
+
+/*!
+ * Returns number of Gauss localization objects available. Implicitly all ids in
+ * [0,getNbOfGaussLocalization()) are valid Gauss localization ids.
+ * \return mcIdType - the number of available Gauss localization objects.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+mcIdType MEDCouplingField::getNbOfGaussLocalization() const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getNbOfGaussLocalization method !");
+ return _type->getNbOfGaussLocalization();
+}
+
+/*!
+ * Returns an id of the Gauss localization object corresponding to a type of a given cell.
+ * \param [in] cellId - an id of the cell of interest.
+ * \return mcIdType - the id of the Gauss localization object.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If no Gauss localization object found for the given cell.
+ */
+mcIdType MEDCouplingField::getGaussLocalizationIdOfOneCell(mcIdType cellId) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getGaussLocalizationIdOfOneCell method !");
+ return _type->getGaussLocalizationIdOfOneCell(cellId);
+}
+
+/*!
+ * Returns ids of cells that share the same Gauss localization given by its id.
+ * \param [in] locId - the id of the Gauss localization object of interest.
+ * It must be in range <em> 0 <= locId < getNbOfGaussLocalization() </em>.
+ * \param [in,out] cellIds - a vector returning ids of found cells. It is cleared before
+ * filling in. It remains empty if no cells found.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If \a locId is not within the valid range.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+void MEDCouplingField::getCellIdsHavingGaussLocalization(int locId, std::vector<mcIdType>& cellIds) const
+{
+ cellIds.clear();
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getCellIdsHavingGaussLocalization method !");
+ _type->getCellIdsHavingGaussLocalization(locId,cellIds);
+}
+
+/*!
+ * Returns a reference to the Gauss localization object by its id.
+ * \warning This method is const, so the returned object is not apt for modification.
+ * \param [in] locId - the id of the Gauss localization object of interest.
+ * It must be in range <em> 0 <= locId < getNbOfGaussLocalization() </em>.
+ * \return const \ref MEDCouplingGaussLocalization & - the Gauss localization object.
+ * \throw If \a this field is not on Gauss points.
+ * \throw If \a locId is not within the valid range.
+ * \throw If the spatial discretization of \a this field is NULL.
+ */
+const MEDCouplingGaussLocalization& MEDCouplingField::getGaussLocalization(int locId) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getGaussLocalization method !");
+ return _type->getGaussLocalization(locId);
+}
+
MEDCouplingField::~MEDCouplingField()
{
if(_mesh)
_mesh->decrRef();
}
+
+MEDCouplingField::MEDCouplingField(MEDCouplingFieldDiscretization *type, NatureOfField nature):_nature(nature),_mesh(0),_type(type)
+{
+}
+
+MEDCouplingField::MEDCouplingField(TypeOfField type):_nature(NoNature),_mesh(0),_type(MEDCouplingFieldDiscretization::New(type))
+{
+}
+
+MEDCouplingField::MEDCouplingField(const MEDCouplingField& other, bool deepCopy):RefCountObject(other),_name(other._name),_desc(other._desc),_nature(other._nature),
+ _mesh(0),_type(0)
+{
+ if(other._mesh)
+ {
+ _mesh=other._mesh;
+ _mesh->incrRef();
+ }
+ if(deepCopy)
+ _type=other._type->clone();
+ else
+ _type=other._type;
+}
+
+/*!
+ * Returns a new MEDCouplingMesh constituted by some cells of the underlying mesh of \a
+ * this field, and returns ids of entities (nodes, cells, Gauss points) lying on the
+ * specified cells. The cells to include to the result mesh are specified by an array of
+ * cell ids. The new mesh shares the coordinates array with the underlying mesh.
+ * \param [in] start - an array of cell ids to include to the result mesh.
+ * \param [in] end - specifies the end of the array \a start, so that
+ * the last value of \a start is \a end[ -1 ].
+ * \param [out] di - a new instance of DataArrayIdType holding the ids of entities (nodes,
+ * cells, Gauss points). The caller is to delete this array using decrRef() as it
+ * is no more needed.
+ * \return MEDCouplingMesh * - a new instance of MEDCouplingMesh. The caller is to
+ * delete this mesh using decrRef() as it is no more needed.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ * \sa buildSubMeshDataRange()
+ */
+MEDCouplingMesh *MEDCouplingField::buildSubMeshData(const mcIdType *start, const mcIdType *end, DataArrayIdType *&di) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call buildSubMeshData method !");
+ return _type->buildSubMeshData(_mesh,start,end,di);
+}
+
+/*!
+ * This method returns a submesh of 'mesh' instance constituting cell ids defined by a range given by the 3 following inputs \a begin, \a end and \a step.
+ *
+ * \param [out] beginOut Valid only if \a di is NULL
+ * \param [out] endOut Valid only if \a di is NULL
+ * \param [out] stepOut Valid only if \a di is NULL
+ * \param [out] di is an array returned that specifies entity ids (nodes, cells, Gauss points... ) in array if no output range is foundable.
+ *
+ * \sa MEDCouplingField::buildSubMeshData
+ */
+MEDCouplingMesh *MEDCouplingField::buildSubMeshDataRange(mcIdType begin, mcIdType end, mcIdType step, mcIdType& beginOut, mcIdType& endOut, mcIdType& stepOut, DataArrayIdType *&di) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call buildSubMeshDataRange method !");
+ return _type->buildSubMeshDataRange(_mesh,begin,end,step,beginOut,endOut,stepOut,di);
+}
+
+/*!
+ * This method returns tuples ids implied by the mesh selection of the cell ids contained in array defined as an interval [start;end).
+ * \return a newly allocated DataArrayIdType instance containing tuples ids.
+ */
+DataArrayIdType *MEDCouplingField::computeTupleIdsToSelectFromCellIds(const mcIdType *startCellIds, const mcIdType *endCellIds) const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call computeTupleIdsToSelectFromCellIds method !");
+ return _type->computeTupleIdsToSelectFromCellIds(_mesh,startCellIds,endCellIds);
+}
+
+/*!
+ * Returns number of tuples expected regarding the spatial discretization of \a this
+ * field and number of entities in the underlying mesh. This method behaves exactly as MEDCouplingFieldDouble::getNumberOfTuples.
+ * \return mcIdType - the number of expected tuples.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ */
+mcIdType MEDCouplingField::getNumberOfTuplesExpected() const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getNumberOfTuplesExpected method !");
+ if(_mesh)
+ return _type->getNumberOfTuples(_mesh);
+ else
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getNumberOfTuplesExpected : Empty mesh !");
+}
+
+void MEDCouplingField::setDiscretization(MEDCouplingFieldDiscretization *newDisc)
+{
+ bool needUpdate=(const MEDCouplingFieldDiscretization *)_type!=newDisc;
+ _type=newDisc;
+ if(newDisc)
+ newDisc->incrRef();
+ if(needUpdate)
+ declareAsNew();
+}
+
+/*!
+ * Returns number of mesh entities in the underlying mesh of \a this field regarding the
+ * spatial discretization.
+ * \return mcIdType - the number of mesh entities porting the field values.
+ * \throw If the spatial discretization of \a this field is NULL.
+ * \throw If the mesh is not set.
+ */
+mcIdType MEDCouplingField::getNumberOfMeshPlacesExpected() const
+{
+ if(!((const MEDCouplingFieldDiscretization *)_type))
+ throw INTERP_KERNEL::Exception("Spatial discretization not set ! Impossible to call getNumberOfMeshPlacesExpected method !");
+ if(_mesh)
+ return _type->getNumberOfMeshPlaces(_mesh);
+ else
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getNumberOfMeshPlacesExpected : Empty mesh !");
+}
+
+/*!
+ * Copy tiny info (component names, name, description) but warning the underlying mesh is not renamed (for safety reason).
+ */
+void MEDCouplingField::copyTinyStringsFrom(const MEDCouplingField *other)
+{
+ if(other)
+ {
+ setName(other->_name);
+ setDescription(other->_desc);
+ }
+}
+
+/*!
+ * This method computes the number of tuples a DataArrayDouble instance should have to build a correct MEDCouplingFieldDouble instance starting from a
+ * submesh of a virtual mesh on which a substraction per type had been applied regarding the spatial discretization in \a this.
+ *
+ * For spatial discretization \b not equal to ON_GAUSS_NE this method will make the hypothesis that any positive entity id in \a code \a idsPerType is valid.
+ * So in those cases attribute \a _mesh of \a this is ignored.
+ *
+ * For spatial discretization equal to ON_GAUSS_NE \a _mesh attribute will be taken into account.
+ *
+ * The input code is those implemented in MEDCouplingUMesh::splitProfilePerType.
+ *
+ * \param [in] code - a code with format described above.
+ * \param [in] idsPerType - a list of subparts
+ * \throw If \a this has no spatial discretization set.
+ * \throw If input code point to invalid zones in spatial discretization.
+ * \throw If spatial discretization in \a this requires a mesh and those mesh is invalid (null,...)
+ */
+mcIdType MEDCouplingField::getNumberOfTuplesExpectedRegardingCode(const std::vector<mcIdType>& code, const std::vector<const DataArrayIdType *>& idsPerType) const
+{
+ const MEDCouplingFieldDiscretization *t(_type);
+ if(!t)
+ throw INTERP_KERNEL::Exception("MEDCouplingField::getNumberOfTuplesExpectedRegardingCode : no spatial discretization set !");
+ return t->getNumberOfTuplesExpectedRegardingCode(code,idsPerType);
+}
