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group_manager.hh
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			/**
			* @file group_manager.hh
			*
			* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
			* @author Dana Christen <dana.christen@gmail.com>
			* @author David Simon Kammer <david.kammer@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			*
			* @date creation: Wed Nov 13 2013
			* @date last modification: Wed Feb 07 2018
			*
			* @brief Stores information relevent to the notion of element and nodes
			* groups.
			*
			* @section LICENSE
			*
			* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
			* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			*
			* Akantu 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 3 of the License, or (at your option) any
			* later version.
			*
			* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/

			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_GROUP_MANAGER_HH__
			#define __AKANTU_GROUP_MANAGER_HH__

			/* -------------------------------------------------------------------------- */
			#include "aka_common.hh"
			#include "aka_iterators.hh"
			#include "element_type_map.hh"
			/* -------------------------------------------------------------------------- */
			#include <set>
			/* -------------------------------------------------------------------------- */

			namespace akantu {
			class ElementGroup;
			class NodeGroup;
			class Mesh;
			class Element;
			class ElementSynchronizer;
			template <bool> class CommunicationBufferTemplated;
			namespace dumper {
			class Field;
			}
			} // namespace akantu

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			class GroupManager {
			/* ------------------------------------------------------------------------ */
			/* Typedefs */
			/* ------------------------------------------------------------------------ */
			private:
			#ifdef SWIGPYTHON
			public:
			using ElementGroups = std::map<std::string, ElementGroup *>;
			using NodeGroups = std::map<std::string, NodeGroup *>;

			private:
			#else
			using ElementGroups = std::map<std::string, ElementGroup *>;
			using NodeGroups = std::map<std::string, NodeGroup *>;
			#endif

			public:
			using GroupManagerTypeSet = std::set<ElementType>;

			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			public:
			GroupManager(const Mesh & mesh, const ID & id = "group_manager",
			const MemoryID & memory_id = 0);
			virtual ~GroupManager();

			/* ------------------------------------------------------------------------ */
			/* Groups iterators */
			/* ------------------------------------------------------------------------ */
			public:
			using node_group_iterator = NodeGroups::iterator;
			using element_group_iterator = ElementGroups::iterator;

			using const_node_group_iterator = NodeGroups::const_iterator;
			using const_element_group_iterator = ElementGroups::const_iterator;

			#ifndef SWIG
			#define AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION(group_type, function, \
			param_in, param_out) \
			inline BOOST_PP_CAT(BOOST_PP_CAT(const_, group_type), _iterator) \
			BOOST_PP_CAT(BOOST_PP_CAT(group_type, _), function)(param_in) const { \
			return BOOST_PP_CAT(group_type, s).function(param_out); \
			}; \
			\
			inline BOOST_PP_CAT(group_type, _iterator) \
			BOOST_PP_CAT(BOOST_PP_CAT(group_type, _), function)(param_in) { \
			return BOOST_PP_CAT(group_type, s).function(param_out); \
			}

			#define AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION_NP(group_type, function) \
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION( \
			group_type, function, BOOST_PP_EMPTY(), BOOST_PP_EMPTY())

			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION_NP(node_group, begin);
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION_NP(node_group, end);
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION_NP(element_group, begin);
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION_NP(element_group, end);
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION(element_group, find,
			const std::string & name, name);
			AKANTU_GROUP_MANAGER_DEFINE_ITERATOR_FUNCTION(node_group, find,
			const std::string & name, name);
			#endif
			public:
			#ifndef SWIG
			decltype(auto) iterateNodeGroups() {
			return make_dereference_adaptor(make_values_adaptor(node_groups));
			}
			decltype(auto) iterateNodeGroups() const {
			return make_dereference_adaptor(make_values_adaptor(node_groups));
			}

			decltype(auto) iterateElementGroups() {
			return make_dereference_adaptor(make_values_adaptor(element_groups));
			}
			decltype(auto) iterateElementGroups() const {
			return make_dereference_adaptor(make_values_adaptor(element_groups));
			}
			#endif
			// just for swig
			const ElementGroups & getElementGroups() const { return element_groups; }
			/* ------------------------------------------------------------------------ */
			/* Clustering filter */
			/* ------------------------------------------------------------------------ */
			public:
			class ClusteringFilter {
			public:
			virtual bool operator()(const Element &) const { return true; }
			};

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			public:
			/// create an empty node group
			NodeGroup & createNodeGroup(const std::string & group_name,
			bool replace_group = false);

			/// create an element group and the associated node group
			ElementGroup & createElementGroup(const std::string & group_name,
			UInt dimension = _all_dimensions,
			bool replace_group = false);

			/* ------------------------------------------------------------------------ */
			/// renames an element group
			void renameElementGroup(const std::string & name,
			const std::string & new_name);

			/// renames a node group
			void renameNodeGroup(const std::string & name, const std::string & new_name);

			/// copy an existing element group
			void copyElementGroup(const std::string & name, const std::string & new_name);

			/// copy an existing node group
			void copyNodeGroup(const std::string & name, const std::string & new_name);

			/* ------------------------------------------------------------------------ */

			/// create a node group from another node group but filtered
			template <typename T>
			NodeGroup & createFilteredNodeGroup(const std::string & group_name,
			const NodeGroup & node_group, T & filter);

			/// destroy a node group
			void destroyNodeGroup(const std::string & group_name);

			/// create an element group from another element group but filtered
			template <typename T>
			ElementGroup &
			createFilteredElementGroup(const std::string & group_name, UInt dimension,
			const NodeGroup & node_group, T & filter);

			/// destroy an element group and the associated node group
			void destroyElementGroup(const std::string & group_name,
			bool destroy_node_group = false);

			/// destroy all element groups and the associated node groups
			void destroyAllElementGroups(bool destroy_node_groups = false);

			/// create a element group using an existing node group
			ElementGroup & createElementGroup(const std::string & group_name,
			UInt dimension, NodeGroup & node_group);

			/// create groups based on values stored in a given mesh data
			template <typename T>
			void createGroupsFromMeshData(const std::string & dataset_name);

			/// create boundaries group by a clustering algorithm \todo extend to parallel
			UInt createBoundaryGroupFromGeometry();

			/// create element clusters for a given dimension
			UInt createClusters(UInt element_dimension, Mesh & mesh_facets,
			std::string cluster_name_prefix = "cluster",
			const ClusteringFilter & filter = ClusteringFilter());

			/// create element clusters for a given dimension
			UInt createClusters(UInt element_dimension,
			std::string cluster_name_prefix = "cluster",
			const ClusteringFilter & filter = ClusteringFilter());

			private:
			/// create element clusters for a given dimension
			UInt createClusters(UInt element_dimension,
			const std::string & cluster_name_prefix,
			const ClusteringFilter & filter, Mesh & mesh_facets);

			public:
			/// Create an ElementGroup based on a NodeGroup
			void createElementGroupFromNodeGroup(const std::string & name,
			const std::string & node_group,
			UInt dimension = _all_dimensions);

			virtual void printself(std::ostream & stream, int indent = 0) const;

			/// this function insure that the group names are present on all processors
			/// /!\ it is a SMP call
			void synchronizeGroupNames();

			/// register an elemental field to the given group name (overloading for
			/// ElementalPartionField)
			#ifndef SWIG
			template <typename T, template <bool> class dump_type>
			dumper::Field * createElementalField(
			const ElementTypeMapArray<T> & field, const std::string & group_name,
			UInt spatial_dimension, const ElementKind & kind,
			ElementTypeMap<UInt> nb_data_per_elem = ElementTypeMap<UInt>());

			/// register an elemental field to the given group name (overloading for
			/// ElementalField)
			template <typename T, template <class> class ret_type,
			template <class, template <class> class, bool> class dump_type>
			dumper::Field * createElementalField(
			const ElementTypeMapArray<T> & field, const std::string & group_name,
			UInt spatial_dimension, const ElementKind & kind,
			ElementTypeMap<UInt> nb_data_per_elem = ElementTypeMap<UInt>());

			/// register an elemental field to the given group name (overloading for
			/// MaterialInternalField)
			template <typename T,
			/// type of InternalMaterialField
			template <typename, bool filtered> class dump_type>
			dumper::Field * createElementalField(const ElementTypeMapArray<T> & field,
			const std::string & group_name,
			UInt spatial_dimension,
			const ElementKind & kind,
			ElementTypeMap<UInt> nb_data_per_elem);

			template <typename type, bool flag, template <class, bool> class ftype>
			dumper::Field * createNodalField(const ftype<type, flag> * field,
			const std::string & group_name,
			UInt padding_size = 0);

			template <typename type, bool flag, template <class, bool> class ftype>
			dumper::Field * createStridedNodalField(const ftype<type, flag> * field,
			const std::string & group_name,
			UInt size, UInt stride,
			UInt padding_size);

			protected:
			/// fill a buffer with all the group names
			void fillBufferWithGroupNames(
			CommunicationBufferTemplated<false> & comm_buffer) const;

			/// take a buffer and create the missing groups localy
			void checkAndAddGroups(CommunicationBufferTemplated<false> & buffer);

			/// register an elemental field to the given group name
			template <class dump_type, typename field_type>
			inline dumper::Field *
			createElementalField(const field_type & field, const std::string & group_name,
			UInt spatial_dimension, const ElementKind & kind,
			const ElementTypeMap<UInt> & nb_data_per_elem);

			/// register an elemental field to the given group name
			template <class dump_type, typename field_type>
			inline dumper::Field *
			createElementalFilteredField(const field_type & field,
			const std::string & group_name,
			UInt spatial_dimension, const ElementKind & kind,
			ElementTypeMap<UInt> nb_data_per_elem);
			#endif

			/* ------------------------------------------------------------------------ */
			/* Accessor */
			/* ------------------------------------------------------------------------ */
			public:
			// AKANTU_GET_MACRO(ElementGroups, element_groups, const ElementGroups &);

			const ElementGroup & getElementGroup(const std::string & name) const;
			const NodeGroup & getNodeGroup(const std::string & name) const;

			ElementGroup & getElementGroup(const std::string & name);
			NodeGroup & getNodeGroup(const std::string & name);

			UInt getNbElementGroups(UInt dimension = _all_dimensions) const;
			UInt getNbNodeGroups() { return node_groups.size(); };

			bool elementGroupExists(const std::string & name) {
			return element_groups.find(name) != element_groups.end();
			}

			bool nodeGroupExists(const std::string & name) {
			return node_groups.find(name) != node_groups.end();
			}

			private:
			template <typename GroupsType>
			void renameGroup(GroupsType & groups, const std::string & name,
			const std::string & new_name);

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			protected:
			/// id to create element and node groups
			ID id;
			/// memory_id to create element and node groups
			MemoryID memory_id;

			/// list of the node groups managed
			NodeGroups node_groups;

			/// list of the element groups managed
			ElementGroups element_groups;

			/// Mesh to which the element belongs
			const Mesh & mesh;
			};

			/// standard output stream operator
			inline std::ostream & operator<<(std::ostream & stream,
			const GroupManager & _this) {
			_this.printself(stream);
			return stream;
			}

			} // namespace akantu

			#endif /* __AKANTU_GROUP_MANAGER_HH__ */

rAKA/src/mesh/group_manager.hh1308f870eb08features/17-create-an…

group_manager.hhView Options

rAKA/src/mesh/group_manager.hh
1308f870eb08features/17-create-an…

group_manager.hh
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