Trk::MultiComponentStateAssembler Namespace Reference

Helper struct representing a cache of the Multicomponent state under assembly. More...

Classes
struct	Cache

Functions
void	addComponent (MultiComponentStateAssembler::Cache &cache, ComponentParameters &&multiComponentState)
	Method to add a single set of Trk::ComponentParameters to the cached Trk::MultiComponentState object under construction.
void	addMultiState (MultiComponentStateAssembler::Cache &cache, Trk::MultiComponentState &&multiComponentState)
	Method to add a new Trk::MultiComponentState to the cached Trk::MultiComponentState object under construction.
MultiComponentState	assembledState (MultiComponentStateAssembler::Cache &&cache)
	Method to return the cached state object - it performs a reweighting before returning the object based on the valid and invaid weights.

Detailed Description

Helper struct representing a cache of the Multicomponent state under assembly.

Function Documentation

addComponent()

void Trk::MultiComponentStateAssembler::addComponent ( MultiComponentStateAssembler::Cache & cache, ComponentParameters && multiComponentState )

inline

Method to add a single set of Trk::ComponentParameters to the cached Trk::MultiComponentState object under construction.

Definition at line 71 of file MultiComponentStateAssembler.h.

                                                             {
 
  cache.validWeightSum += componentParameters.weight;
  cache.multiComponentState.push_back({std::move(componentParameters.params),
                                         componentParameters.weight});
}

addMultiState()

void Trk::MultiComponentStateAssembler::addMultiState ( MultiComponentStateAssembler::Cache & cache, Trk::MultiComponentState && multiComponentState )

inline

Method to add a new Trk::MultiComponentState to the cached Trk::MultiComponentState object under construction.

Definition at line 79 of file MultiComponentStateAssembler.h.

                                                                {
 
  double sumW(0.);
  for (auto& component : multiComponentState) {
    sumW += component.weight;
    cache.multiComponentState.push_back({std::move(component.params),
                                           component.weight});
  }
  cache.validWeightSum += sumW;
}

assembledState()

Trk::MultiComponentState Trk::MultiComponentStateAssembler::assembledState

(

MultiComponentStateAssembler::Cache &&

cache

)

Method to return the cached state object - it performs a reweighting before returning the object based on the valid and invaid weights.

Definition at line 120 of file MultiComponentStateAssembler.cxx.

{
  if (!prepareStateForAssembly(cache)) {
    return {};
  }
  double totalWeight = cache.validWeightSum;
  if (cache.invalidWeightSum > 0. || cache.validWeightSum <= 0.) {
    totalWeight = cache.validWeightSum + cache.invalidWeightSum;
  }
 
  return doStateAssembly(std::move(cache), totalWeight);
}