GeometryInterface.cc

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// -*- C++ -*-
//
// Package:    SiPixelPhase1Common
// Class:      GeometryInterface
//
// Geometry depedence goes here.
//
// Original Author:  Marcel Schneider

#include "DQM/SiPixelPhase1Common/interface/GeometryInterface.h"

// general plotting helpers
#include "DQM/SiPixelPhase1Common/interface/SiPixelCoordinates.h"

// edm stuff
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

// Tracker Geometry/Topology  stuff
#include "DataFormats/TrackerCommon/interface/TrackerTopology.h"
#include "Geometry/Records/interface/TrackerTopologyRcd.h"
#include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
#include "Geometry/TrackerGeometryBuilder/interface/PixelGeomDetUnit.h"
#include "Geometry/CommonTopologies/interface/PixelTopology.h"
#include "CondFormats/DataRecord/interface/SiPixelFedCablingMapRcd.h"
#include "CondFormats/GeometryObjects/interface/PTrackerParameters.h"
#include "CondFormats/SiPixelObjects/interface/SiPixelFedCablingMap.h"
#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
#include "CondFormats/SiPixelObjects/interface/SiPixelFrameReverter.h"

// Pixel names
#include "DataFormats/SiPixelDetId/interface/PixelBarrelName.h"
#include "DataFormats/SiPixelDetId/interface/PixelEndcapName.h"

// C++ stuff
#include <cassert>
#include <cstdint>
#include <iostream>
#include <iomanip>
#include <memory>

const GeometryInterface::Value GeometryInterface::UNDEFINED = 999999999.9f;

void GeometryInterface::load(edm::EventSetup const& iSetup) {
  //loadFromAlignment(iSetup, iConfig);
  loadFromTopology(iSetup, iConfig);
  loadTimebased(iSetup, iConfig);
  loadModuleLevel(iSetup, iConfig);
  loadFEDCabling(iSetup, iConfig);
  loadFromSiPixelCoordinates(iSetup, iConfig);
  edm::LogInfo log("GeometryInterface");
  log << "Known colum names:\n";
  for (auto e : ids) log << "+++ column: " << e.first
    << " ok " << bool(extractors[e.second]) << " min " << min_value[e.second] << " max " << max_value[e.second] << "\n";
  is_loaded = true;
}

void GeometryInterface::loadFromTopology(edm::EventSetup const& iSetup, const edm::ParameterSet& iConfig) {
  // Get a Topology
  edm::ESHandle<TrackerTopology> trackerTopologyHandle;
  iSetup.get<TrackerTopologyRcd>().get(trackerTopologyHandle);
  assert(trackerTopologyHandle.isValid());

  std::vector<ID> geomquantities;

  struct TTField {
    const TrackerTopology* tt;
    TrackerTopology::DetIdFields field;
    Value operator()(InterestingQuantities const& iq) {
      if (tt->hasField(iq.sourceModule, field))
        return tt->getField(iq.sourceModule, field);
      else
        return UNDEFINED;
    };
  };

  const TrackerTopology* tt = trackerTopologyHandle.operator->();


  std::vector<std::pair<std::string, TTField>> namedPartitions {
    {"PXEndcap" , {tt, TrackerTopology::PFSide}},

    {"PXLayer"  , {tt, TrackerTopology::PBLayer}},
    {"PXLadder" , {tt, TrackerTopology::PBLadder}},
    {"PXBModule", {tt, TrackerTopology::PBModule}},

    {"PXBlade"  , {tt, TrackerTopology::PFBlade}},
    {"PXDisk"   , {tt, TrackerTopology::PFDisk}},
    {"PXPanel"  , {tt, TrackerTopology::PFPanel}},
    {"PXFModule", {tt, TrackerTopology::PFModule}},
  };

  for (auto& e : namedPartitions) {
    geomquantities.push_back(intern(e.first));
    addExtractor(intern(e.first), e.second, UNDEFINED, UNDEFINED);
  }

  auto pxbarrel  = [] (InterestingQuantities const& iq) { return iq.sourceModule.subdetId() == PixelSubdetector::PixelBarrel ? 0 : UNDEFINED; };
  auto pxforward = [] (InterestingQuantities const& iq) { return iq.sourceModule.subdetId() == PixelSubdetector::PixelEndcap ? 0 : UNDEFINED; };
  addExtractor(intern("PXBarrel"),  pxbarrel,  0, 0);
  addExtractor(intern("PXForward"), pxforward, 0, 0);

  // Redefine the disk numbering to use the sign
  auto pxendcap = extractors[intern("PXEndcap")];
  auto diskid = intern("PXDisk");
  auto pxdisk = extractors[diskid];
  extractors[diskid] = [pxdisk, pxendcap] (InterestingQuantities const& iq) {
    auto disk = pxdisk(iq);
    if (disk == UNDEFINED) return UNDEFINED;
    auto endcap = pxendcap(iq);
    return endcap == 1 ? -disk : disk;
  };

  // DetId and module names
  auto detid = [] (InterestingQuantities const& iq) {
    uint32_t id = iq.sourceModule.rawId();
    return Value(id);
  };
  addExtractor(intern("DetId"), detid,
    0, 0 // No sane value possible here.
  );
  // these are just aliases with special handling in formatting
  // the names are created with PixelBarrelName et. al. later
  addExtractor(intern("PXModuleName"), detid, 0, 0);

  int phase = iConfig.getParameter<int>("upgradePhase");
  bool isUpgrade = phase == 1;

  // Get a Geometry
  edm::ESHandle<TrackerGeometry> trackerGeometryHandle;
  iSetup.get<TrackerDigiGeometryRecord>().get(trackerGeometryHandle);
  assert(trackerGeometryHandle.isValid());

  // Now traverse the detector and collect whatever we need.
  auto detids = trackerGeometryHandle->detIds();
  for (DetId id : detids) {
    if (id.subdetId() != PixelSubdetector::PixelBarrel && id.subdetId() != PixelSubdetector::PixelEndcap) continue;
    auto iq = InterestingQuantities{nullptr, id, 0, 0};

    // prepare pretty names
    std::string name = "";
    if (id.subdetId() == PixelSubdetector::PixelBarrel) { // Barrel
      PixelBarrelName mod(id, tt, isUpgrade);
      name = mod.name();
    } else { // assume Endcap
      PixelEndcapName mod(id, tt, isUpgrade);
      name = mod.name();
    }
    format_value[std::make_pair(intern("PXModuleName"), Value(id.rawId()))] = name;

    // we record each module 4 times, one for each corner, so we also get ROCs
    // in booking (at least for the ranges)
    const PixelGeomDetUnit* detUnit = dynamic_cast<const PixelGeomDetUnit*>(trackerGeometryHandle->idToDetUnit(id));
    assert(detUnit);
    const PixelTopology* topo = &detUnit->specificTopology();
    iq.row = 0; iq.col = 0;
    all_modules.push_back(iq);
    iq.row = topo->nrows()-1; iq.col = 0;
    all_modules.push_back(iq);
    iq.row = 0; iq.col = topo->ncolumns()-1;
    all_modules.push_back(iq);
    iq.row = topo->nrows()-1; iq.col = topo->ncolumns()-1;
    all_modules.push_back(iq);
  }
}

void GeometryInterface::loadFromSiPixelCoordinates(edm::EventSetup const& iSetup, const edm::ParameterSet& iConfig) {
  // TODO: SiPixelCoordinates has a large overlap with theis GeometryInterface 
  // in general.
  // Rough convention is to use own code for things that are easy and fast to
  // determine, and use SiPixelCoordinates for complicated things.
  // SiPixelCoordinates uses lookup maps for everything, so it is faster than
  // most other code, but still slow on DQM scales. 
  int phase = iConfig.getParameter<int>("upgradePhase");

  // this shared pointer is kept alive by the references in the lambdas that follow.
  // That is a bit less obvious than keeping it as a member but more correct.
  auto coord = std::make_shared<SiPixelCoordinates>(phase);

  // note that we should reeinit for each event. But this probably won't explode
  // thanks to the massive memoization in SiPixelCoordinates which is completely
  // initialized while booking.
  coord->init(iSetup); 

  // SiPixelCoordinates uses a different convention for UNDEFINED:
  auto from_coord = [](double in) { return (in == -9999.0) ? UNDEFINED : Value(in); };

  // Rings are a concept that cannot be derived from bitmasks. 
  addExtractor(intern("PXRing"), 
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->ring(iq.sourceModule));
    }
  );

  // Quadrant names.
  auto pxbarrel = extractors[intern("PXBarrel")];
  addExtractor(intern("HalfCylinder"),
    [coord, pxbarrel] (InterestingQuantities const& iq) {
      if (pxbarrel(iq) != UNDEFINED) return UNDEFINED;
      int quadrant = coord->quadrant(iq.sourceModule);
      switch (quadrant) {
        case 1: return Value(12); // mO
        case 2: return Value(11); // mI
        case 3: return Value(22); // pO
        case 4: return Value(21); // pI
        default: return UNDEFINED;
      }
    }, 0, 0 // N/A
  );
  addExtractor(intern("Shell"),
    [coord, pxbarrel] (InterestingQuantities const& iq) {
      if (pxbarrel(iq) == UNDEFINED) return UNDEFINED;
      int quadrant = coord->quadrant(iq.sourceModule);
      switch (quadrant) {
        case 1: return Value(12); // mO
        case 2: return Value(11); // mI
        case 3: return Value(22); // pO
        case 4: return Value(21); // pI
        default: return UNDEFINED;
      }
    }, 0, 0 // N/A
  );

  // Online Numbering.
  addExtractor(intern("SignedLadder"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_ladder(iq.sourceModule()));
    }
  );
  addExtractor(intern("SignedModule"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_module(iq.sourceModule()));
    }
  );
  addExtractor(intern("SignedBlade"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_blade(iq.sourceModule()));
    }
  );

  // Pixel Map axis. 
  // TODO: automatic range and binning for phase0 are incorrect.
  // Should be set manually here.
  addExtractor(intern("SignedModuleCoord"), // BPIX x
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_module_coord(iq.sourceModule(),
        std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/8.0
  );
  addExtractor(intern("SignedLadderCoord"), // BPIX y
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_ladder_coord(iq.sourceModule(),
        std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/2.0
  );
  addExtractor(intern("SignedDiskCoord"), // FPIX x (per-ring)
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_disk_coord(iq.sourceModule(),
        std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/8.0
  );
  addExtractor(intern("SignedDiskRingCoord"), // FPIX x (FPIX-as-one-plot)
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_disk_ring_coord(iq.sourceModule(),
        std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/16.0
  );
  addExtractor(intern("SignedBladePanelCoord"), // FPIX y
    [coord, from_coord, phase] (InterestingQuantities const& iq) {
      if (phase == 0) {
        return from_coord(coord->signed_blade_coord(
          iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
      } else if (phase == 1) {
        return from_coord(coord->signed_blade_panel_coord(
          iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
      } else {
        return UNDEFINED; // TODO: phase2
      }
    }, UNDEFINED, UNDEFINED, phase == 1 ? 0.25 : 0.2 
  );
  addExtractor(intern("SignedShiftedBladePanelCoord"), // FPIX-as-one y
    [coord, from_coord, phase] (InterestingQuantities const& iq) {
      if (phase == 0) {
        return from_coord(coord->signed_blade_coord(
          iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
      } else if (phase == 1) {
        return from_coord(coord->signed_shifted_blade_panel_coord(
          iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
      } else {
        return UNDEFINED; // TODO: phase2
      }
    }, UNDEFINED, UNDEFINED, phase == 1 ? 0.25 : 0.1 // half-roc for phase0
  );
  addExtractor(intern("SignedBladePanel"), // per-module FPIX y
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_blade_panel_coord(iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/2.0
  );

  addExtractor(intern("SignedBladePanel"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->signed_blade_panel_coord(iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
    }, UNDEFINED, UNDEFINED, 1.0/2.0
  );

  // more readout-related things.
  addExtractor(intern("ROC"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->roc(iq.sourceModule(),
        std::make_pair(int(iq.row), int(iq.col))));
    }
  );
  addExtractor(intern("Sector"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->sector(iq.sourceModule()));
    }
  );
  addExtractor(intern("Channel"),
    [coord, from_coord] (InterestingQuantities const& iq) {
      return from_coord(coord->channel(iq.sourceModule(), std::make_pair(int(iq.row), int(iq.col))));
    }
  );

}

void GeometryInterface::loadTimebased(edm::EventSetup const& iSetup, const edm::ParameterSet& iConfig) {
  // extractors for quantities that are roughly time-based. We cannot book plots based on these; they have to
  // be grouped away in step1.
  addExtractor(intern("Lumisection"),
    [] (InterestingQuantities const& iq) {
      if(!iq.sourceEvent) return UNDEFINED;
      return Value(iq.sourceEvent->luminosityBlock());
    },
    1, iConfig.getParameter<int>("max_lumisection")
  );
  int onlineblock = iConfig.getParameter<int>("onlineblock");
  int n_onlineblocks = iConfig.getParameter<int>("n_onlineblocks");
  addExtractor(intern("OnlineBlock"),
    [onlineblock] (InterestingQuantities const& iq) {
      if(!iq.sourceEvent) return UNDEFINED;
      return Value(onlineblock + iq.sourceEvent->luminosityBlock() / onlineblock);
    },
    // note: this range is not visible anywhere (if the RenderPlugin does its job),
    // but the strange range allows the RenderPlugin to know the block size.
    onlineblock, onlineblock+n_onlineblocks-1
  );
  addExtractor(intern("BX"),
    [] (InterestingQuantities const& iq) {
      if(!iq.sourceEvent) return UNDEFINED;
      return Value(iq.sourceEvent->bunchCrossing());
    },
    1, iConfig.getParameter<int>("max_bunchcrossing")
  );
}

void GeometryInterface::loadModuleLevel(edm::EventSetup const& iSetup, const edm::ParameterSet& iConfig) {
  // stuff that is within modules. Might require some phase0/phase1/strip switching later
  addExtractor(intern("row"),
    [] (InterestingQuantities const& iq) {
      return Value(iq.row);
    },
    0, iConfig.getParameter<int>("module_rows") - 1
  );
  addExtractor(intern("col"),
    [] (InterestingQuantities const& iq) {
      return Value(iq.col);
    },
    0, iConfig.getParameter<int>("module_cols") - 1
  );

}

void GeometryInterface::loadFEDCabling(edm::EventSetup const& iSetup, const edm::ParameterSet& iConfig) {
  auto cablingMapLabel = iConfig.getParameter<std::string>("CablingMapLabel");
  edm::ESHandle<SiPixelFedCablingMap> theCablingMap;
  iSetup.get<SiPixelFedCablingMapRcd>().get(cablingMapLabel, theCablingMap);

  std::shared_ptr<SiPixelFrameReverter> siPixelFrameReverter =
      // I think passing the bare pointer here is safe, but who knows...
      std::make_shared<SiPixelFrameReverter>(iSetup, theCablingMap.operator->());

  addExtractor(intern("FED"),
    [siPixelFrameReverter] (InterestingQuantities const& iq) {
      if (iq.sourceModule == 0xFFFFFFFF)
        return Value(iq.col); // hijacked for the raw data plugin
      return Value(siPixelFrameReverter->findFedId(iq.sourceModule.rawId()));
    }
  );

  // TODO: ranges should be set manually below, since booking probably cannot
  // infer them correctly (no ROC-level granularity)
  // PERF: this is slow. Prefer SiPixelCordinates versions here.
  addExtractor(intern("LinkInFed"),
    [siPixelFrameReverter] (InterestingQuantities const& iq) {
      if (iq.sourceModule == 0xFFFFFFFF)
        return Value(iq.row); // hijacked for the raw data plugin
      sipixelobjects::GlobalPixel gp = {iq.row, iq.col};
      return Value(siPixelFrameReverter->findLinkInFed(iq.sourceModule.rawId(), gp));
    }
  );
  // not sure if this is useful anywhere.
  addExtractor(intern("RocInLink"),
    [siPixelFrameReverter] (InterestingQuantities const& iq) {
      sipixelobjects::GlobalPixel gp = {iq.row, iq.col};
      return Value(siPixelFrameReverter->findRocInLink(iq.sourceModule.rawId(), gp));
    }
  );
  // This might be equivalent to our ROC numbering.
  addExtractor(intern("RocInDet"),
    [siPixelFrameReverter] (InterestingQuantities const& iq) {
      sipixelobjects::GlobalPixel gp = {iq.row, iq.col};
      return Value(siPixelFrameReverter->findRocInDet(iq.sourceModule.rawId(), gp));
    }
  );
}

std::string GeometryInterface::formatValue(Column col, Value val) {
  auto it = format_value.find(std::make_pair(col, val));
  if (it != format_value.end()) return it->second;

  // non-number output names (_pO etc.) are hardwired here.
  std::string name = pretty(col);
  std::string value = "_" + std::to_string(int(val));
  if (val == 0) value = "";         // hide Barrel_0 etc.
  if (name == "PXDisk" && val > 0)  // +/- sign for disk num
    value = "_+" + std::to_string(int(val));
  // pretty (legacy?) names for Shells and HalfCylinders
  std::map<int, std::string> shellname{
      {11, "_mI"}, {12, "_mO"}, {21, "_pI"}, {22, "_pO"}};
  if (name == "HalfCylinder" || name == "Shell") value = shellname[int(val)];
  if (val == UNDEFINED) value = "_UNDEFINED";
  return format_value[std::make_pair(col, val)] = name+value;
}