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rAKA/src/io/dumper/dumper_generic_elemental_field.hh
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dumper_generic_elemental_field.hh
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/**
* @file dumper_generic_elemental_field.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Fri Jul 24 2020
*
* @brief Generic interface for elemental fields
*
*
* @section LICENSE
*
* Copyright (©) 2014-2021 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_DUMPER_GENERIC_ELEMENTAL_FIELD_HH_
#define AKANTU_DUMPER_GENERIC_ELEMENTAL_FIELD_HH_
/* -------------------------------------------------------------------------- */
#include "dumper_element_iterator.hh"
#include "dumper_field.hh"
#include "dumper_homogenizing_field.hh"
#include "element_type_map_filter.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace dumpers {
/* --------------------------------------------------------------------------
*/
template <class _types, template <class> class iterator_type>
class GenericElementalField : public Field {
/* ------------------------------------------------------------------------
*/
/* Typedefs */
/* ------------------------------------------------------------------------
*/
public:
// check dumper_type_traits.hh for additional information over these types
using types = _types;
using data_type = typename types::data_type;
using it_type = typename types::it_type;
using field_type = typename types::field_type;
using array_type = typename types::array_type;
using array_iterator = typename types::array_iterator;
using field_type_iterator = typename field_type::type_iterator;
using iterator = iterator_type<types>;
using support_type = Element;
/* ------------------------------------------------------------------------
*/
/* Constructors/Destructors */
/* ------------------------------------------------------------------------
*/
public:
GenericElementalField(const field_type & field,
UInt spatial_dimension = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind element_kind = _ek_not_defined)
: field(field), spatial_dimension(spatial_dimension),
ghost_type(ghost_type), element_kind(element_kind) {
this->checkHomogeneity();
}
/* ------------------------------------------------------------------------
*/
/* Methods */
/* ------------------------------------------------------------------------
*/
public:
/// get the number of components of the hosted field
ElementTypeMap<UInt>
getNbComponents(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined) override {
return this->field.getNbComponents(dim, ghost_type, kind);
};
/// return the size of the contained data: i.e. the number of elements ?
virtual UInt size() {
checkHomogeneity();
return this->nb_total_element;
}
/// return the iohelper datatype to be dumped
template <class T1 = data_type,
std::enable_if_t<std::is_enum<T1>::value> * = nullptr>
iohelper::DataType getDataType() {
return iohelper::getDataType<UInt>();
}
template <class T1 = data_type,
std::enable_if_t<not std::is_enum<T1>::value> * = nullptr>
iohelper::DataType getDataType() {
return iohelper::getDataType<data_type>();
}
protected:
/// return the number of entries per element
UInt getNbDataPerElem(ElementType type,
GhostType ghost_type = _not_ghost) const {
if (!nb_data_per_elem.exists(type, ghost_type)) {
return field(type, ghost_type).getNbComponent();
}
return nb_data_per_elem(type, this->ghost_type);
}
/// check if the same quantity of data for all element types
void checkHomogeneity() override;
public:
void registerToDumper(const std::string & id,
iohelper::Dumper & dumper) override {
dumper.addElemDataField(id, *this);
}
/// for connection to a FieldCompute
inline std::shared_ptr<Field> connect(FieldComputeProxy & proxy) override {
return proxy.connectToField(this);
}
/// for connection to a Homogenizer
inline std::unique_ptr<ComputeFunctorInterface>
connect(HomogenizerProxy & proxy) override {
return proxy.connectToField(this);
}
virtual iterator begin() {
/// type iterators on the elemental field
auto types = this->field.elementTypes(
this->spatial_dimension, this->ghost_type, this->element_kind);
auto tit = types.begin();
auto end = types.end();
/// skip all types without data
for (; tit != end and this->field(*tit, this->ghost_type).empty();
++tit) {
}
auto type = *tit;
if (tit == end) {
return this->end();
}
/// getting information for the field of the given type
const auto & vect = this->field(type, this->ghost_type);
UInt nb_data_per_elem = this->getNbDataPerElem(type);
/// define element-wise iterator
auto view = make_view(vect, nb_data_per_elem);
auto it = view.begin();
auto it_end = view.end();
/// define data iterator
iterator rit =
iterator(this->field, tit, end, it, it_end, this->ghost_type);
rit.setNbDataPerElem(this->nb_data_per_elem);
return rit;
}
virtual iterator end() {
auto types = this->field.elementTypes(
this->spatial_dimension, this->ghost_type, this->element_kind);
auto tit = types.begin();
auto end = types.end();
auto type = *tit;
for (; tit != end; ++tit) {
type = *tit;
}
const array_type & vect = this->field(type, this->ghost_type);
UInt nb_data = this->getNbDataPerElem(type);
auto it = make_view(vect, nb_data).end();
auto rit = iterator(this->field, end, end, it, it, this->ghost_type);
rit.setNbDataPerElem(this->nb_data_per_elem);
return rit;
}
virtual UInt getDim() {
if (this->homogeneous) {
auto tit = this->field
.elementTypes(this->spatial_dimension, this->ghost_type,
this->element_kind)
.begin();
return this->getNbDataPerElem(*tit);
}
throw;
return 0;
}
void setNbDataPerElem(const ElementTypeMap<UInt> & nb_data) override {
nb_data_per_elem = nb_data;
}
/* ------------------------------------------------------------------------
*/
/* Class Members */
/* ------------------------------------------------------------------------
*/
protected:
/// the ElementTypeMapArray embedded in the field
const field_type & field;
/// total number of elements
UInt nb_total_element;
/// the spatial dimension of the problem
UInt spatial_dimension;
/// whether this is a ghost field or not (for type selection)
GhostType ghost_type;
/// The element kind to operate on
ElementKind element_kind;
/// The number of data per element type
ElementTypeMap<UInt> nb_data_per_elem;
};
} // namespace dumpers
} // namespace akantu
/* -------------------------------------------------------------------------- */
#include "dumper_generic_elemental_field_tmpl.hh"
/* -------------------------------------------------------------------------- */
#endif /* AKANTU_DUMPER_GENERIC_ELEMENTAL_FIELD_HH_ */
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