dg::Events::ObserveFields< VolumeDim, ObservationValueTag, tmpl::list< Tensors... >, tmpl::list< NonTensorComputeTags... >, ArraySectionIdTag > Class Template Reference

Observe volume tensor fields. More...

#include <ObserveFields.hpp>

Classes
struct	CoordinatesFloatingPointType
	The floating point type/precision with which to write the coordinates to disk. More...
struct	FloatingPointTypes
	The floating point type/precision with which to write the data to disk. More...
struct	InterpolateToMesh
struct	OverrideObservationValue
	Override the observation value in the ObservationBox. More...
struct	SubfileName
	The name of the subfile inside the HDF5 file. More...
struct	VariablesToObserve

Public Types
using	options = tmpl::list< SubfileName, CoordinatesFloatingPointType, FloatingPointTypes, VariablesToObserve, InterpolateToMesh, OverrideObservationValue >
using	compute_tags_for_observation_box = tmpl::list< Tensors..., NonTensorComputeTags... >
using	argument_tags = tmpl::list<::Tags::ObservationBox, ObservationValueTag, ::Events::Tags::ObserverMesh< VolumeDim > >
using	observation_registration_tags = tmpl::list<::Tags::DataBox >
using	is_ready_argument_tags = tmpl::list<>

Public Member Functions
	ObserveFields (const std::string &subfile_name, FloatingPointType coordinates_floating_point_type, const std::vector< FloatingPointType > &floating_point_types, const std::vector< std::string > &variables_to_observe, std::optional< Mesh< VolumeDim > > interpolation_mesh={}, std::optional< typename ObservationValueTag::type > override_observation_value={}, const Options::Context &context={})
template<typename DataBoxType , typename ComputeTagsList , typename Metavariables , typename ParallelComponent >
void	operator() (const ObservationBox< DataBoxType, ComputeTagsList > &box, const typename ObservationValueTag::type &observation_value, const Mesh< VolumeDim > &mesh, Parallel::GlobalCache< Metavariables > &cache, const ElementId< VolumeDim > &array_index, const ParallelComponent *const component) const
template<typename DbTagsList >
std::optional< std::pair< observers::TypeOfObservation, observers::ObservationKey > >	get_observation_type_and_key_for_registration (const db::DataBox< DbTagsList > &box) const
template<typename Metavariables , typename ArrayIndex , typename Component >
bool	is_ready (Parallel::GlobalCache< Metavariables > &, const ArrayIndex &, const Component *const) const
bool	needs_evolved_variables () const override
	Whether the event uses anything depending on the evolved_variables. If this returns false, anything depending on the evolved variables may have an incorrect value when the event is run. More...
void	pup (PUP::er &p) override
Public Member Functions inherited from Event
	Event (CkMigrateMessage *msg)
	WRAPPED_PUPable_abstract (Event)
template<typename ComputeTagsList , typename DataBoxType , typename Metavariables , typename ArrayIndex , typename ComponentPointer >
void	run (const ObservationBox< ComputeTagsList, DataBoxType > &box, Parallel::GlobalCache< Metavariables > &cache, const ArrayIndex &array_index, const ComponentPointer) const
template<typename DbTags , typename Metavariables , typename ArrayIndex , typename ComponentPointer >
bool	is_ready (const db::DataBox< DbTags > &box, Parallel::GlobalCache< Metavariables > &cache, const ArrayIndex &array_index, const ComponentPointer) const
virtual bool	needs_evolved_variables () const =0
	Whether the event uses anything depending on the evolved_variables. If this returns false, anything depending on the evolved variables may have an incorrect value when the event is run. More...

Static Public Member Functions
template<typename DataBoxType , typename ComputeTagsList , typename Metavariables , typename ParallelComponent >
static void	call_operator_impl (const std::string &subfile_path, const std::unordered_map< std::string, FloatingPointType > &variables_to_observe, const std::optional< Mesh< VolumeDim > > &interpolation_mesh, const typename ObservationValueTag::type &observation_value, const Mesh< VolumeDim > &mesh, const ObservationBox< DataBoxType, ComputeTagsList > &box, Parallel::GlobalCache< Metavariables > &cache, const ElementId< VolumeDim > &element_id, const ParallelComponent *const)

Static Public Attributes
static constexpr Options::String	help

Detailed Description

template<size_t VolumeDim, typename ObservationValueTag, typename... Tensors, typename... NonTensorComputeTags, typename ArraySectionIdTag>
class dg::Events::ObserveFields< VolumeDim, ObservationValueTag, tmpl::list< Tensors... >, tmpl::list< NonTensorComputeTags... >, ArraySectionIdTag >

Observe volume tensor fields.

A class that writes volume quantities to an h5 file during the simulation. The observed quantitites are specified in the VariablesToObserve option. Any Tensor in the db::DataBox can be observed but must be listed in the Tensors template parameter. Any additional compute tags that hold a Tensor can also be added to the Tensors template parameter. Finally, Variables and other non-tensor compute tags can be listed in the NonTensorComputeTags to facilitate observing. Note that the InertialCoordinates are always observed.

The user may specify an interpolation_mesh to which the data is interpolated.

Note

The NonTensorComputeTags are intended to be used for Variables compute tags like Tags::DerivCompute

Array sections

This event supports sections (see Parallel::Section). Set the ArraySectionIdTag template parameter to split up observations into subsets of elements. The observers::Tags::ObservationKey<ArraySectionIdTag> must be available in the DataBox. It identifies the section and is used as a suffix for the path in the output file.

Member Function Documentation

needs_evolved_variables()

template<size_t VolumeDim, typename ObservationValueTag , typename... Tensors, typename... NonTensorComputeTags, typename ArraySectionIdTag >

bool dg::Events::ObserveFields< VolumeDim, ObservationValueTag, tmpl::list< Tensors... >, tmpl::list< NonTensorComputeTags... >, ArraySectionIdTag >::needs_evolved_variables ( ) const

inlineoverridevirtual

Whether the event uses anything depending on the evolved_variables. If this returns false, anything depending on the evolved variables may have an incorrect value when the event is run.

Implements Event.

Member Data Documentation

help

template<size_t VolumeDim, typename ObservationValueTag , typename... Tensors, typename... NonTensorComputeTags, typename ArraySectionIdTag >

constexpr Options::String dg::Events::ObserveFields< VolumeDim, ObservationValueTag, tmpl::list< Tensors... >, tmpl::list< NonTensorComputeTags... >, ArraySectionIdTag >::help

staticconstexpr

Initial value:

=
      "Observe volume tensor fields.\n"
      "\n"
      "Writes volume quantities:\n"
      " * InertialCoordinates\n"
      " * Tensors listed in the 'VariablesToObserve' option\n"

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The documentation for this class was generated from the following file:

• src/ParallelAlgorithms/Events/ObserveFields.hpp