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STIR
6.3.0
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Computes projection matrix elements for VoxelsOnCartesianGrid images by using a Solid Angle model. More...
#include "stir_experimental/recon_buildblock/ProjMatrixByBinUsingSolidAngle.h"

Public Member Functions | |
| ProjMatrixByBinUsingSolidAngle () | |
| Default constructor (calls set_defaults()) | |
| void | set_up (const shared_ptr< const ProjDataInfo > &proj_data_info_ptr, const shared_ptr< const DiscretisedDensity< 3, float >> &density_info_ptr) override |
| Stores all necessary geometric info. More... | |
Public Member Functions inherited from stir::RegisteredParsingObject< ProjMatrixByBinUsingSolidAngle, ProjMatrixByBin, ProjMatrixByBin > | |
| std::string | get_registered_name () const override |
| Returns Derived::registered_name. | |
| std::string | parameter_info () override |
| Returns a string with all parameters and their values, in a form suitable for parsing again. | |
Public Member Functions inherited from stir::ProjMatrixByBin | |
| virtual ProjMatrixByBin * | clone () const =0 |
| const DataSymmetriesForBins * | get_symmetries_ptr () const |
| get a pointer to an object encoding all symmetries that are used by this ProjMatrixByBin | |
| const shared_ptr< DataSymmetriesForBins > | get_symmetries_sptr () const |
| get a shared_ptr to an object encoding all symmetries that are used by this ProjMatrixByBin | |
| void | get_proj_matrix_elems_for_one_bin (ProjMatrixElemsForOneBin &, const Bin &) const |
| The main method for getting a row of the matrix. More... | |
| void | enable_cache (const bool v=true) |
| void | store_only_basic_bins_in_cache (const bool v=true) |
| bool | is_cache_enabled () const |
| bool | does_cache_store_only_basic_bins () const |
| void | clear_cache () const |
| Remove all elements from the cache. | |
Public Member Functions inherited from stir::ParsingObject | |
| ParsingObject (const ParsingObject &) | |
| ParsingObject & | operator= (const ParsingObject &) |
| void | ask_parameters () |
| bool | parse (std::istream &f) |
| bool | parse (const char *const filename) |
Public Member Functions inherited from stir::TimedObject | |
| void | reset_timers () |
| reset all timers kept by this object | |
| void | stop_timers () const |
| stop all timers kept by this object More... | |
| void | start_timers (bool do_reset=false) const |
| start all timers kept by this object More... | |
| double | get_CPU_timer_value () const |
| get current value of the CPU timer (since first use or last reset) | |
| double | get_wall_clock_timer_value () const |
| get current value of the wall-clock timer (since first use or last reset) | |
Static Public Attributes | |
| static const char *const | registered_name = "Solid Angle" |
| Name which will be used when parsing a ProjMatrixByBin object. | |
Additional Inherited Members | |
Static Public Member Functions inherited from stir::RegisteredParsingObject< ProjMatrixByBinUsingSolidAngle, ProjMatrixByBin, ProjMatrixByBin > | |
| static ProjMatrixByBin * | read_from_stream (std::istream *) |
| Construct a new object (of type Derived) by parsing the istream. More... | |
Static Public Member Functions inherited from stir::RegisteredObject< ProjMatrixByBin > | |
| static ProjMatrixByBin * | read_registered_object (std::istream *in, const std::string ®istered_name) |
| Construct a new object (of a type derived from Root, its actual type determined by the registered_name parameter) by parsing the istream. More... | |
| static ProjMatrixByBin * | ask_type_and_parameters () |
| ask the user for the type, and then calls read_registered_object(0, type) More... | |
| static void | list_registered_names (std::ostream &stream) |
| List all possible registered names to the stream. More... | |
Protected Types inherited from stir::RegisteredObject< ProjMatrixByBin > | |
| typedef ProjMatrixByBin *(* | RootFactory) (std::istream *) |
| The type of a root factory is a function, taking an istream* as argument, and returning a Root*. | |
| typedef FactoryRegistry< std::string, RootFactory, interfile_less > | RegistryType |
| The type of the registry. | |
Protected Member Functions inherited from stir::ProjMatrixByBin | |
| ProjMatrixByBin () | |
| default ctor (calls set_defaults()) More... | |
| bool | post_processing () override |
| Checks if parameters have sensible values. More... | |
| Succeeded | get_cached_proj_matrix_elems_for_one_bin (ProjMatrixElemsForOneBin &) const |
| The method that tries to get data from the cache. More... | |
| void | cache_proj_matrix_elems_for_one_bin (const ProjMatrixElemsForOneBin &) const |
| The method to store data in the cache. | |
Protected Member Functions inherited from stir::ParsingObject | |
| virtual void | set_key_values () |
| This will be called before parsing or parameter_info is called. More... | |
Static Protected Member Functions inherited from stir::RegisteredObject< ProjMatrixByBin > | |
| static RegistryType & | registry () |
| Static function returning the registry. More... | |
Protected Attributes inherited from stir::ProjMatrixByBin | |
| shared_ptr< DataSymmetriesForBins > | symmetries_sptr |
| bool | cache_disabled |
| bool | cache_stores_only_basic_bins |
| bool | tof_enabled |
| If activated TOF reconstruction will be performed. | |
| shared_ptr< const VoxelsOnCartesianGrid< float > > | image_info_sptr |
| We need a local copy of the discretised density in order to find the cartesian coordinates of each voxel. | |
| shared_ptr< const ProjDataInfo > | proj_data_info_sptr |
| We need a local copy of the proj_data_info to get the integration boundaries and RayTracing. | |
Protected Attributes inherited from stir::ParsingObject | |
| KeyParser | parser |
Computes projection matrix elements for VoxelsOnCartesianGrid images by using a Solid Angle model.
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overridevirtual |
Stores all necessary geometric info.
Note that the density_info_ptr is not stored in this object. It's only used to get some info on sizes etc.
Implements stir::ProjMatrixByBin.
References stir::error(), stir::DiscretisedDensity< num_dimensions, elemT >::get_origin(), stir::Array< num_dimensions, elemT >::get_regular_range(), and stir::VoxelsOnCartesianGrid< elemT >::get_voxel_size().
1.8.13