15#ifndef dealii_particles_particle_accessor_h
16#define dealii_particles_particle_accessor_h
28#include <boost/geometry/index/indexable.hpp>
29#include <boost/serialization/array_wrapper.hpp>
41 class ParticleIterator;
43 class ParticleHandler;
49 template <
int dim,
int spacedim = dim>
107 std::vector<typename PropertyPool<dim, spacedim>::Handle>
particles;
378 template <
class Archive>
380 save(Archive &ar,
const unsigned int version)
const;
387 template <
class Archive>
389 load(Archive &ar,
const unsigned int version);
397 template <
class Archive>
399 serialize(Archive &archive,
const unsigned int version);
403 BOOST_SERIALIZATION_SPLIT_MEMBER()
493 template <
int dim,
int spacedim>
494 template <
class Archive>
498 unsigned int n_properties = 0;
503 ar &location &reference_location &
id &n_properties;
505 set_location(location);
506 set_reference_location(reference_location);
509 if (n_properties > 0)
513 properties.
size() == n_properties,
515 "This particle was serialized with " +
516 std::to_string(n_properties) +
517 " properties, but the new property handler provides space for " +
518 std::to_string(properties.
size()) +
519 " properties. Deserializing a particle only works for matching property sizes."));
521 ar &boost::serialization::make_array(properties.
data(), n_properties);
527 template <
int dim,
int spacedim>
528 template <
class Archive>
532 unsigned int n_properties = 0;
533 if ((property_pool !=
nullptr) &&
535 n_properties = get_properties().size();
538 Point<dim> reference_location = get_reference_location();
541 ar &location &reference_location &
id &n_properties;
543 if (n_properties > 0)
544 ar &boost::serialization::make_array(get_properties().
data(),
551 template <
int dim,
int spacedim>
554 , property_pool(nullptr)
555 , particle_index_within_cell(
numbers::invalid_unsigned_int)
560 template <
int dim,
int spacedim>
562 const typename particle_container::iterator particles_in_cell,
564 const unsigned int particle_index_within_cell)
565 : particles_in_cell(particles_in_cell)
566 , property_pool(const_cast<
PropertyPool<dim, spacedim> *>(&property_pool))
567 , particle_index_within_cell(particle_index_within_cell)
572 template <
int dim,
int spacedim>
582 const double *pdata =
reinterpret_cast<const double *
>(id_data);
585 for (
unsigned int i = 0; i < spacedim; ++i)
586 location[i] = *pdata++;
587 set_location(location);
590 for (
unsigned int i = 0; i < dim; ++i)
591 reference_location[i] = *pdata++;
592 set_reference_location(reference_location);
595 if (has_properties())
598 property_pool->get_properties(get_handle());
599 const unsigned int size = particle_properties.
size();
600 for (
unsigned int i = 0; i <
size; ++i)
601 particle_properties[i] = *pdata++;
604 return static_cast<const void *
>(pdata);
609 template <
int dim,
int spacedim>
619 double *pdata =
reinterpret_cast<double *
>(id_data);
622 for (
unsigned int i = 0; i < spacedim; ++i, ++pdata)
623 *pdata = get_location()[i];
626 for (
unsigned int i = 0; i < dim; ++i, ++pdata)
627 *pdata = get_reference_location()[i];
630 if (has_properties())
633 property_pool->get_properties(get_handle());
634 for (
unsigned int i = 0; i < particle_properties.
size(); ++i, ++pdata)
635 *pdata = particle_properties[i];
638 return static_cast<void *
>(pdata);
643 template <
int dim,
int spacedim>
649 property_pool->set_location(get_handle(), new_loc);
654 template <
int dim,
int spacedim>
660 return property_pool->get_location(get_handle());
665 template <
int dim,
int spacedim>
671 return property_pool->get_location(get_handle());
676 template <
int dim,
int spacedim>
683 property_pool->set_reference_location(get_handle(), new_loc);
688 template <
int dim,
int spacedim>
694 return property_pool->get_reference_location(get_handle());
699 template <
int dim,
int spacedim>
705 return property_pool->get_id(get_handle());
710 template <
int dim,
int spacedim>
721 template <
int dim,
int spacedim>
727 property_pool->set_id(get_handle(), new_id);
732 template <
int dim,
int spacedim>
745 return (property_pool->n_properties_per_slot() > 0);
750 template <
int dim,
int spacedim>
753 const std::vector<double> &new_properties)
763 template <
int dim,
int spacedim>
771 property_pool->get_properties(get_handle());
775 "You are trying to assign properties with an incompatible length. "
776 "The particle has space to store " +
777 std::to_string(property_values.
size()) +
778 " properties, but you are trying to assign " +
779 std::to_string(new_properties.
size()) +
780 " properties. This is not allowed."));
782 if (property_values.
size() > 0)
783 std::copy(new_properties.
begin(),
784 new_properties.
end(),
785 property_values.
begin());
790 template <
int dim,
int spacedim>
801 for (
unsigned int d = 0; d < dim; ++d)
802 array[d] = new_properties[d];
809 template <
int dim,
int spacedim>
815 return property_pool->get_properties(get_handle());
820 template <
int dim,
int spacedim>
828 return particles_in_cell->cell;
839 template <
int dim,
int spacedim>
845 std::size_t
size =
sizeof(get_id()) +
846 sizeof(
double) * spacedim +
847 sizeof(double) * dim;
849 if (has_properties())
851 size +=
sizeof(double) * get_properties().size();
858 template <
int dim,
int spacedim>
864 ++particle_index_within_cell;
866 if (particle_index_within_cell >= particles_in_cell->particles.size())
868 particle_index_within_cell = 0;
875 template <
int dim,
int spacedim>
881 if (particle_index_within_cell > 0)
882 --particle_index_within_cell;
886 particle_index_within_cell = particles_in_cell->particles.empty() ?
888 particles_in_cell->particles.size() - 1;
894 template <
int dim,
int spacedim>
899 return !(*
this == other);
904 template <
int dim,
int spacedim>
916 template <
int dim,
int spacedim>
920 if (property_pool !=
nullptr &&
922 particle_index_within_cell < particles_in_cell->particles.size())
924 else if (property_pool !=
nullptr &&
926 particle_index_within_cell == 0)
936 template <
int dim,
int spacedim>
940 return particles_in_cell->particles[particle_index_within_cell];
945 template <
int dim,
int spacedim>
949 return particles_in_cell->particles[particle_index_within_cell];
966 template <
int dim,
int spacedim>
976 operator()(const ::Particles::ParticleAccessor<dim, spacedim>
979 return accessor.get_location();
389 load(Archive &ar,
const unsigned int version); {
…}
380 save(Archive &ar,
const unsigned int version)
const; {
…}
ArrayView< std::remove_reference_t< typename std::iterator_traits< Iterator >::reference >, MemorySpaceType > make_array_view(const Iterator begin, const Iterator end)
value_type * data() const noexcept
particle_container::iterator particles_in_cell
const Point< spacedim > & get_location() const
types::particle_index get_id() const
void save(Archive &ar, const unsigned int version) const
unsigned int particle_index_within_cell
types::particle_index get_local_index() const
std::list< ParticlesInCell > particle_container
const void * read_particle_data_from_memory(const void *data)
void load(Archive &ar, const unsigned int version)
const Triangulation< dim, spacedim >::cell_iterator & get_surrounding_cell() const
IteratorState::IteratorStates state() const
bool operator!=(const ParticleAccessor< dim, spacedim > &other) const
void set_properties(const Tensor< 1, dim > &new_properties)
void set_location(const Point< spacedim > &new_location)
PropertyPool< dim, spacedim >::Handle & get_handle()
void serialize(Archive &archive, const unsigned int version)
ArrayView< double > get_properties()
void set_reference_location(const Point< dim > &new_reference_location)
const Point< dim > & get_reference_location() const
std::size_t serialized_size_in_bytes() const
const PropertyPool< dim, spacedim >::Handle & get_handle() const
void set_properties(const std::vector< double > &new_properties)
Point< spacedim > & get_location()
ParticleAccessor(const typename particle_container::iterator particles_in_cell, const PropertyPool< dim, spacedim > &property_pool, const unsigned int particle_index_within_cell)
bool has_properties() const
PropertyPool< dim, spacedim > * property_pool
void * write_particle_data_to_memory(void *data) const
void set_properties(const ArrayView< const double > &new_properties)
ArrayView< const double > get_properties() const
bool operator==(const ParticleAccessor< dim, spacedim > &other) const
void set_id(const types::particle_index &new_id)
ArrayView< double, ::MemorySpace::Host > get_properties(const Handle handle)
#define DEAL_II_NAMESPACE_OPEN
#define DEAL_II_NAMESPACE_CLOSE
#define Assert(cond, exc)
static ::ExceptionBase & ExcInternalError()
static ::ExceptionBase & ExcMessage(std::string arg1)
std::vector< index_type > data
@ past_the_end
Iterator reached end of container.
@ valid
Iterator points to a valid object.
@ invalid
Iterator is invalid, probably due to an error.
Triangulation< dim, spacedim >::active_cell_iterator cell
ParticlesInCell()=default
ParticlesInCell(const std::vector< typename PropertyPool< dim, spacedim >::Handle > &particles, const typename Triangulation< dim, spacedim >::active_cell_iterator &cell)
std::vector< typename PropertyPool< dim, spacedim >::Handle > particles
result_type operator()(const ::Particles::ParticleAccessor< dim, spacedim > &accessor) const