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#include "Alignment/CommonAlignment/interface/AlignableCompositeBuilder.h"
// Original Author: Max Stark
// Created: Thu, 13 Jan 2016 10:22:57 CET
// core framework functionality
#include "FWCore/MessageLogger/interface/MessageLogger.h"
// alignment
#include "Alignment/CommonAlignment/interface/AlignableObjectId.h"
//=============================================================================
//=== PUBLIC METHOD IMPLEMENTATION ===
//=============================================================================
//_____________________________________________________________________________
AlignableCompositeBuilder ::AlignableCompositeBuilder(const TrackerTopology* trackerTopology,
const TrackerGeometry* trackerGeometry,
const AlignableIndexer& alignableIndexer)
: trackerTopology_(trackerTopology),
alignableObjectId_(trackerGeometry, nullptr, nullptr, nullptr),
alignableIndexer_(alignableIndexer) {}
//_____________________________________________________________________________
void AlignableCompositeBuilder ::addAlignmentLevel(std::unique_ptr<AlignmentLevel> level) {
alignmentLevels_.push_back(std::move(level));
}
//_____________________________________________________________________________
void AlignableCompositeBuilder ::clearAlignmentLevels() { alignmentLevels_.clear(); }
//_____________________________________________________________________________
unsigned int AlignableCompositeBuilder ::buildAll(AlignableMap& alignableMap, bool update) {
auto highestLevel = alignmentLevels_.back()->levelType;
std::ostringstream ss;
ss << "building CompositeAlignables for " << alignableObjectId_.idToString(highestLevel) << "\n";
unsigned int numCompositeAlignables = 0;
for (unsigned int level = 1; level < alignmentLevels_.size(); ++level) {
numCompositeAlignables += buildLevel(level, alignableMap, ss, update);
}
ss << "built " << numCompositeAlignables << " CompositeAlignables for "
<< alignableObjectId_.idToString(highestLevel);
edm::LogInfo("AlignableBuildProcess") << "@SUB=AlignableCompositeBuilder::buildAll" << ss.str();
return numCompositeAlignables;
}
//=============================================================================
//=== PRIVATE METHOD IMPLEMENTATION ===
//=============================================================================
//_____________________________________________________________________________
unsigned int AlignableCompositeBuilder ::buildLevel(unsigned int parentLevel,
AlignableMap& alignableMap,
std::ostringstream& ss,
bool update) {
unsigned int childLevel = parentLevel - 1;
unsigned int maxNumParents = maxNumComponents(parentLevel);
auto childType = alignmentLevels_[childLevel]->levelType;
auto parentType = alignmentLevels_[parentLevel]->levelType;
auto& children = alignableMap.find(alignableObjectId_.idToString(childType));
auto& parents = alignableMap.get(alignableObjectId_.idToString(parentType));
if (!update)
parents.reserve(maxNumParents);
// This vector is used indicate if a parent already exists. It is initialized
// with 'naked' Alignables-pointers; if the pointer is not naked (!= nullptr)
// for one of the child-IDs, its parent was already built before.
align::Alignables tmpParents(maxNumParents, nullptr);
for (auto* child : children) {
// get the number of the child-Alignable ...
const auto index = getIndexOfStructure(child->id(), parentLevel);
// ... and use it as index to get the parent of this child
auto& parent = tmpParents[index];
// if parent was not built yet ...
if (!parent && !update) {
if (update) {
throw cms::Exception("LogicError") << "@SUB=AlignableCompositeBuilder::buildLevel\n"
<< "trying to update a non-existing AlignableComposite";
}
// ... build new composite Alignable with ID of child (obviously its the
// first child of the Alignable)
if (alignmentLevels_[parentLevel]->isFlat) {
parent = new AlignableComposite(child->id(), parentType, child->globalRotation());
} else {
parent = new AlignableComposite(child->id(), parentType, align::RotationType());
}
parents.push_back(parent);
} else if (update) {
if (alignmentLevels_[parentLevel]->isFlat) {
// needed to update rotation of flat composites
auto mother = dynamic_cast<AlignableComposite*>(child->mother());
if (!mother) {
throw cms::Exception("LogicError") << "@SUB=AlignableCompositeBuilder::buildLevel\n"
<< "trying to update a flat composite that is not of type "
<< "AlignableComposite";
}
if (mother->id() == child->id()) {
mother->update(child->id(), parentType, child->globalRotation());
}
}
}
// in all cases (except updates) add the child to the parent Alignable
if (!update)
parent->addComponent(child);
}
ss << " built " << parents.size() << " " << alignableObjectId_.idToString(alignmentLevels_[parentLevel]->levelType)
<< "(s) (theoretical maximum: " << maxNumParents << ") consisting of " << children.size() << " "
<< alignableObjectId_.idToString(alignmentLevels_[childLevel]->levelType) << "(s)\n";
return parents.size();
}
//_____________________________________________________________________________
unsigned int AlignableCompositeBuilder ::maxNumComponents(unsigned int startLevel) const {
unsigned int components = 1;
for (unsigned int level = startLevel; level < alignmentLevels_.size(); ++level) {
components *= alignmentLevels_[level]->maxNumComponents;
}
return components;
}
//_____________________________________________________________________________
unsigned int AlignableCompositeBuilder ::getIndexOfStructure(align::ID id, unsigned int level) const {
// indexer returns a function pointer for the structure-type
auto indexOf = alignableIndexer_.get(alignmentLevels_[level]->levelType, alignableObjectId_);
if (alignmentLevels_.size() - 1 > level) {
return getIndexOfStructure(id, level + 1) * alignmentLevels_[level]->maxNumComponents + indexOf(id) - 1;
}
return indexOf(id) - 1;
}
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