AlignmentTestProcessor.cxx

#include "Tracking/Reco/AlignmentTestProcessor.h"
 
namespace tracking::reco {
 
AlignmentTestProcessor::AlignmentTestProcessor(const std::string& name,
                                               framework::Process& process)
 
    : TrackingGeometryUser(name, process) {}
 
AlignmentTestProcessor::~AlignmentTestProcessor() {}
 
void AlignmentTestProcessor::configure(
    framework::config::Parameters& parameters) {}
 
void AlignmentTestProcessor::onNewRun(const ldmx::RunHeader& rh) {
  // Load the tracking geometry
  tg_ = std::make_shared<geo::TrackersTrackingGeometry>(geometry());
 
  // Load the tracking geometry default transformations
  test_gctx_.loadTransformations(tg_->layer_surface_map_);
 
  std::cout << "Storing corrections to default transformations" << std::endl;
 
  // 100um in tu
  Acts::Vector3 deltaT{0.1, 0., 0.};
 
  // 10 mrad in rw.
  // rw is applied following the right-hand rule
  // In this case, w points towards -X.
  // Looking downstream the rotation is counterclockwise.
 
  Acts::Vector3 deltaR{0., 0., 0.01};
  test_gctx_.addAlignCorrection(2100, deltaT, deltaR);
  test_gctx_.addAlignCorrection(2101, deltaT, deltaR);
 
  // Try to correct back 2100
  // translate, then rotate
  test_gctx_.addAlignCorrection(2100, -deltaT, -deltaR, false);
}
 
void AlignmentTestProcessor::produce(framework::Event& event) {
  std::cout << "Check propagation of alignment corrections to surfaces"
            << std::endl;
  std::cout << "wrapping the ldmx test geometry context" << std::endl;
 
  Acts::GeometryContext align_gctx(&test_gctx_);
 
  std::cout << "Loading the tracking geometry" << std::endl;
 
  std::cout << "Layers in Tracking Geometry" << std::endl;
  for (auto entry : tg_->layer_surface_map_) {
    std::cout << entry.first << std::endl;
 
    std::cout << "Dumping surfaces information" << std::endl;
    //    (entry.second)->toStream(align_gctx, std::cout);
    (entry.second)->toStream(align_gctx);
  }
}
 
void AlignmentTestProcessor::onProcessStart() {}
 
void AlignmentTestProcessor::onProcessEnd() {}
 
}  // namespace tracking::reco
 
DECLARE_PRODUCER_NS(tracking::reco, AlignmentTestProcessor)