Author: [log in to unmask]
Date: Sat May 21 15:34:24 2016
New Revision: 4366
Log:
Same as EcalRawConverter, but no time corrections (shifts and offsets are excluded)
Modified:
java/sandbox/EcalRawConverterNoTimeCorrection.java
Modified: java/sandbox/EcalRawConverterNoTimeCorrection.java
=============================================================================
--- java/sandbox/EcalRawConverterNoTimeCorrection.java (original)
+++ java/sandbox/EcalRawConverterNoTimeCorrection.java Sat May 21 15:34:24 2016
@@ -0,0 +1,769 @@
+package org.hps.recon.ecal;
+
+import hep.aida.IFitResult;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.Map;
+
+import org.hps.conditions.database.DatabaseConditionsManager;
+import org.hps.conditions.ecal.EcalChannel;
+import org.hps.conditions.ecal.EcalChannelConstants;
+import org.hps.conditions.ecal.EcalConditions;
+import org.hps.record.daqconfig.ConfigurationManager;
+import org.hps.record.daqconfig.FADCConfig;
+import org.lcsim.event.CalorimeterHit;
+import org.lcsim.event.EventHeader;
+import org.lcsim.event.GenericObject;
+import org.lcsim.event.RawCalorimeterHit;
+import org.lcsim.event.RawTrackerHit;
+import org.lcsim.event.base.BaseRawCalorimeterHit;
+import org.lcsim.geometry.Detector;
+
+/**
+ * This class is used to convert between
+ * {@link org.lcsim.event.RawCalorimeterHit} or
+ * {@link org.lcsim.event.RawTrackerHit}, objects with ADC/sample information,
+ * and {@link org.lcsim.event.CalorimeterHit}, an object with energy+time
+ * information. At minimum this involves pedestal subtraction/addition and gain
+ * scaling. Knows how to deal with Mode-1/3/7 FADC readout formats. Can perform
+ * Mode-3/7 firmware algorithms on Mode-1 data. Can alternatively call
+ * pulse-fitting on Mode-1 data.
+ *
+ * All time walk/time offset corrections are performed to this collection after gains
+ * in EcalTimeCorrectionDriver
+ *
+ * @author Sho Uemura <[log in to unmask]>
+ * @author Andrea Celentano <[log in to unmask]>
+ * @author Nathan Baltzell <[log in to unmask]>
+ * @author Holly Szumila <[log in to unmask]>
+ */
+public class EcalRawConverterNoTimeCorrection {
+
+ /**
+ * If true, time walk correction is performed.
+ */
+ private boolean useTimeWalkCorrection = true;
+
+ /**
+ * If true, running pedestal is used.
+ */
+ private boolean useRunningPedestal = true;
+
+ /**
+ * If true, use a single gain factor for all channels. Else, use 442 gains
+ * from the conditions system.
+ */
+ private boolean constantGain = false;
+
+ /**
+ * A single gain factor for all channels (only used if constantGain=true)
+ */
+ private double gain;
+
+ /**
+ * If true, the relationship between ADC and GeV is a convention that
+ * includes readoutPeriod and a global scaling factor. If false, it is the
+ * currently used convention: E(GeV) = GAIN * ADC
+ */
+ private boolean use2014Gain = false;
+
+ /**
+ * If true, use the DAQ configuration from EVIO to set EcalRawConverter
+ * parameters. This should be removed to a standalone EcalRawConverter
+ * solely for trigger emulation.
+ */
+ private boolean useDAQConfig = false;
+
+ /**
+ * The DAQ configuration from EVIO used to set EcalRawConverter parameters
+ * if useDAQConfig=true. This should be removed to a standalone
+ * EcalRawConverter solely for trigger emulation.
+ */
+ private FADCConfig config = null;
+
+ /**
+ * Whether to use pulse fitting (EcalPulseFitter) to extract pulse energy
+ * time. Only applicable to Mode-1 data.
+ */
+ private boolean useFit = true;
+
+ /**
+ * The pulse fitter class.
+ */
+ private EcalPulseFitter pulseFitter = new EcalPulseFitter();
+
+ /**
+ * The time for one FADC sample (units = ns).
+ */
+ private static final int nsPerSample = 4;
+
+ /**
+ * The leading-edge threshold, relative to pedestal, for pulse-finding and
+ * time determination. Units = ADC. Used to convert mode-1 readout into
+ * mode-3/7 used by clustering. The default value of 12 is what we used for
+ * most of the 2014 run.
+ */
+ private double leadingEdgeThreshold = 12;
+
+ /**
+ * Integration range after (NSA) and before (NSB) threshold crossing.
+ * Units=ns, same as the DAQ configuration files. These must be multiples of
+ * 4 ns. Used for pulse integration in Mode-1, and pedestal subtraction in
+ * all modes. The default values of 20/100 are what we had during the entire
+ * 2014 run.
+ */
+ private int NSB = 20;
+ private int NSA = 100;
+
+ /**
+ * The number of samples in the FADC readout window. Needed in order to
+ * properly pedestal-correct clipped pulses for Mode-3/7. Ignored for mode-1
+ * input, since it already knows its number of samples. A non-positive
+ * number disables pulse-clipped pedestals and reverts to the old behavior
+ * which assumed integration range was constant.
+ */
+ private int windowSamples = -1;
+
+ /**
+ * The maximum number of peaks to be searched for. This is applicable only
+ * to Mode-1 data.
+ */
+ private int nPeak = 3;
+
+ /**
+ * Perform Mode-7 algorithm, else Mode-3. Only applicable to Mode-1 data.
+ */
+ private boolean mode7 = true;
+
+ private EcalConditions ecalConditions = null;
+
+ /**
+ * Currently sets up a listener for DAQ configuration from EVIO. This should
+ * be removed to a standalone ECalRawConverter solely for trigger emulation.
+ */
+ public EcalRawConverter() {
+ // Track changes in the DAQ configuration.
+ ConfigurationManager.addActionListener(new ActionListener() {
+
+ @Override
+ public void actionPerformed(ActionEvent e) {
+ // If the DAQ configuration should be used, load the
+ // relevant settings into the driver.
+ if (useDAQConfig) {
+ // Get the FADC configuration.
+ config = ConfigurationManager.getInstance().getFADCConfig();
+
+ // Load the settings.
+ NSB = config.getNSB();
+ NSA = config.getNSA();
+ windowSamples = config.getWindowWidth() / 4;
+
+ // Get the number of peaks.
+ if (config.getMode() == 1) {
+ nPeak = Integer.MAX_VALUE;
+ } else {
+ nPeak = config.getMaxPulses();
+ }
+
+ // Print the FADC configuration.
+ System.out.println();
+ System.out.println();
+ System.out.printf("NSA :: %d ns%n", NSA);
+ System.out.printf("NSB :: %d ns%n", NSB);
+ System.out.printf("Window Samples :: %d clock-cycles%n",
+ windowSamples);
+ System.out.printf("Max Peaks :: %d peaks%n", nPeak);
+ System.out
+ .println("======================================================================");
+ System.out
+ .println("=== FADC Pulse-Processing Settings ===================================");
+ System.out
+ .println("======================================================================");
+ config.printConfig(System.out);
+ }
+ }
+ });
+ }
+
+ public void setUseFit(boolean useFit) {
+ this.useFit = useFit;
+ }
+
+ public void setFixShapeParameter(boolean fix) {
+ pulseFitter.fixShapeParameter = fix;
+ }
+
+ public void setGlobalFixedPulseWidth(double width) {
+ pulseFitter.globalThreePoleWidth = width;
+ pulseFitter.fixShapeParameter = true;
+ }
+
+ /**
+ * Pulses with threshold crossing earlier than this will not be fit.
+ */
+ public void setFitThresholdTimeLo(int sample) {
+ pulseFitter.threshRange[0] = sample;
+ }
+
+ /**
+ * Pulses with threshold crossing time greater than this will not be fit.
+ */
+ public void setFitThresholdTimeHi(int sample) {
+ pulseFitter.threshRange[1] = sample;
+ }
+
+ /**
+ * Tell Minuit to limit pulse time parameter in fit to be greater than this.
+ */
+ public void setFitLimitTimeLo(int sample) {
+ pulseFitter.t0limits[0] = sample;
+ }
+
+ /**
+ * Tell Minuit to limit pulse time parameter in fit to be less than this.
+ */
+ public void setFitLimitTimeHi(int sample) {
+ pulseFitter.t0limits[1] = sample;
+ }
+
+ /**
+ * Set threshold for pulse finding. Units = ADC
+ */
+ public void setLeadingEdgeThreshold(double thresh) {
+ leadingEdgeThreshold = thresh;
+ }
+
+ /**
+ * Set number of samples after threshold crossing for pulse integration
+ * range.
+ */
+ public void setNSA(int nsa) {
+ if (NSA % nsPerSample != 0 || NSA < 0) {
+ throw new RuntimeException(
+ "NSA must be multiples of 4ns and non-negative.");
+ }
+ NSA = nsa;
+ }
+
+ /**
+ * Set number of samples before threshold crossing for pulse integration
+ * range.
+ */
+ public void setNSB(int nsb) {
+ if (NSB % nsPerSample != 0 || NSB < 0) {
+ throw new RuntimeException(
+ "NSB must be multiples of 4ns and non-negative.");
+ }
+ NSB = nsb;
+ }
+
+ /**
+ * Set number of samples in readout window. Used for pedestal subtraction
+ * for clipped pulses. This is ignored for Mode-1 raw data, since Mode-1
+ * knows its number of samples.
+ */
+ public void setWindowSamples(int windowSamples) {
+ this.windowSamples = windowSamples;
+ }
+
+ /**
+ * Set maximum number of pulses to search for in Mode-1 data.
+ */
+ public void setNPeak(int nPeak) {
+ if (nPeak < 1 || nPeak > 3) {
+ throw new RuntimeException("Npeak must be 1, 2, or 3.");
+ }
+ this.nPeak = nPeak;
+ }
+
+ /**
+ * Set Mode-7 emulation on/off. If off, falls back to Mode-3.
+ */
+ public void setMode7(boolean mode7) {
+ this.mode7 = mode7;
+ }
+
+ /**
+ * Set global gain value and turn on constant gain. The 442 gains from the
+ * conditions system will be ignored.
+ */
+ public void setGain(double gain) {
+ constantGain = true;
+ this.gain = gain;
+ }
+
+ /**
+ * Chooses which ADC --> Energy convention is used. If true, the
+ * relationship between ADC and GeV is a convention that includes
+ * readoutPeriod and a global scaling factor. If false, it is the currently
+ * used convention: E(GeV) = GAIN * ADC
+ */
+ public void setUse2014Gain(boolean use2014Gain) {
+ this.use2014Gain = use2014Gain;
+ }
+
+ /**
+ * Enables using running pedestals calculated on the fly from previous
+ * events. If false, uses 442 fixed pedestals from the conditions system.
+ * Only applies to FADC Mode-1/7 input data formats.
+ */
+ public void setUseRunningPedestal(boolean useRunningPedestal) {
+ this.useRunningPedestal = useRunningPedestal;
+ }
+
+ /**
+ * Set whether to use timewalk corrections.
+ */
+ public void setUseTimeWalkCorrection(boolean useTimeWalkCorrection) {
+ this.useTimeWalkCorrection = useTimeWalkCorrection;
+ }
+
+ /**
+ * Set whether to use DAQ configuration read from EVIO to set
+ * EcalRawConverter parameters. This should be removed to a standalone
+ * EcalRawCongverterDriver solely for trigger emulation.
+ */
+ public void setUseDAQConfig(boolean state) {
+ useDAQConfig = state;
+ }
+
+ /**
+ * Integrate the entire window. Return pedestal-subtracted integral.
+ */
+ public int sumADC(RawTrackerHit hit) {
+ EcalChannelConstants channelData = findChannel(hit.getCellID());
+ double pedestal;
+ if (useDAQConfig) {
+ // EcalChannel channel =
+ // ecalConditions.getChannelCollection().findGeometric(hit.getCellID());
+ pedestal = config.getPedestal(hit.getCellID());
+ } else {
+ pedestal = channelData.getCalibration().getPedestal();
+ }
+
+ int sum = 0;
+ short samples[] = hit.getADCValues();
+ for (int isample = 0; isample < samples.length; ++isample) {
+ sum += (samples[isample] - pedestal);
+ }
+ return sum;
+ }
+
+ /**
+ * This should probably be deprecated. HitDtoA(EventHeader,RawTrackerHit)
+ * has the same functionality if NSA+NSB > windowSamples, with the exception
+ * that that one also finds pulse time instead of this one's always
+ * reporting zero.
+ */
+ public CalorimeterHit HitDtoA(RawTrackerHit hit) {
+ double time = hit.getTime();
+ long id = hit.getCellID();
+ double rawEnergy = adcToEnergy(sumADC(hit), id);
+ return CalorimeterHitUtilities.create(rawEnergy, time, id);
+ }
+
+ /**
+ * Get pedestal for a single ADC sample. Choose whether to use static
+ * pedestal from database or running pedestal from mode-7.
+ */
+ public double getSingleSamplePedestal(EventHeader event, long cellID) {
+ if (useDAQConfig) {
+ // EcalChannel channel =
+ // ecalConditions.getChannelCollection().findGeometric(cellID);
+ return config.getPedestal(cellID);
+ }
+ if (useRunningPedestal && event != null) {
+ if (event.hasItem("EcalRunningPedestals")) {
+ Map<EcalChannel, Double> runningPedMap = (Map<EcalChannel, Double>) event
+ .get("EcalRunningPedestals");
+ EcalChannel chan = ecalConditions.getChannelCollection()
+ .findGeometric(cellID);
+ if (!runningPedMap.containsKey(chan)) {
+ System.err.println("************** Missing Pedestal");
+ } else {
+ return runningPedMap.get(chan);
+ }
+ } else {
+ System.err
+ .println("*****************************************************************");
+ System.err
+ .println("** You Requested a Running Pedestal, but it is NOT available. **");
+ System.err
+ .println("** Reverting to the database. Only printing this ONCE. **");
+ System.err
+ .println("*****************************************************************");
+ useRunningPedestal = false;
+ }
+ }
+ return findChannel(cellID).getCalibration().getPedestal();
+ }
+
+ /**
+ * Get pedestal for entire pulse integral. Account for clipping if
+ * windowSamples is greater than zero.
+ */
+ public double getPulsePedestal(EventHeader event, long cellID,
+ int windowSamples, int thresholdCrossing) {
+ int firstSample, lastSample;
+ if (windowSamples > 0 && (NSA + NSB) / nsPerSample >= windowSamples) {
+ // special case where firmware always integrates entire window
+ firstSample = 0;
+ lastSample = windowSamples - 1;
+ } else {
+ firstSample = thresholdCrossing - NSB / nsPerSample;
+ lastSample = thresholdCrossing + NSA / nsPerSample - 1;
+ if (windowSamples > 0) {
+ // properly pedestal subtract pulses clipped by edge(s) of
+ // readout window:
+ if (firstSample < 0)
+ firstSample = 0;
+ if (lastSample >= windowSamples)
+ lastSample = windowSamples - 1;
+ }
+ }
+ return (lastSample - firstSample + 1)
+ * getSingleSamplePedestal(event, cellID);
+ }
+
+ /**
+ * Emulate the FADC250 firmware in conversion of Mode-1 waveform to a
+ * Mode-3/7 pulse, given a time for threshold crossing.
+ */
+ public double[] convertWaveformToPulse(RawTrackerHit hit,
+ int thresholdCrossing, boolean mode7) {
+
+ double fitQuality = -1;
+
+ short samples[] = hit.getADCValues();
+ // System.out.println("NewEvent");
+ // choose integration range:
+ int firstSample, lastSample;
+ if ((NSA + NSB) / nsPerSample >= samples.length) {
+ // firmware treats this case specially:
+ firstSample = 0;
+ lastSample = samples.length - 1;
+ } else {
+ firstSample = thresholdCrossing - NSB / nsPerSample;
+ lastSample = thresholdCrossing + NSA / nsPerSample - 1;
+ }
+
+ // mode-7's minimum/pedestal (average of first 4 samples):
+ double minADC = 0;
+ for (int jj = 0; jj < 4; jj++)
+ minADC += samples[jj];
+ // does the firmware's conversion of min to int occur before or after
+ // time calculation? undocumented.
+ // minADC=(int)(minADC/4);
+ minADC = (minADC / 4);
+
+ // System.out.println("Avg pedestal:\t"+minADC);
+
+ // mode-7's max pulse height:
+ double maxADC = 0;
+ // int sampleMaxADC=0;
+
+ // mode-3/7's pulse integral:
+ double sumADC = 0;
+
+ for (int jj = firstSample; jj <= lastSample; jj++) {
+
+ if (jj < 0)
+ continue;
+ if (jj >= samples.length)
+ break;
+
+ // integrate pulse:
+ sumADC += samples[jj];
+ }
+
+ // find pulse maximum:
+ // if (jj>firstSample && jj<samples.length-5) { // The "5" here is a
+ // firmware constant.
+ for (int jj = thresholdCrossing; jj < samples.length - 5; jj++) { // The
+ // "5"
+ // here
+ // is
+ // a
+ // firmware
+ // constant.
+ if (samples[jj + 1] < samples[jj]) {
+ // sampleMaxADC=jj;
+ maxADC = samples[jj];
+ break;
+ }
+ }
+
+ // pulse time with 4ns resolution:
+ double pulseTime = thresholdCrossing * nsPerSample;
+
+ // calculate Mode-7 high-resolution time:
+ if (mode7) {
+ if (thresholdCrossing < 4) {
+ // special case where firmware sets max to zero and time to 4ns
+ // time.
+ maxADC = 0;
+ } else if (maxADC > 0) {
+ // linear interpolation between threshold crossing and
+ // pulse maximum to find time at pulse half-height:
+
+ final double halfMax = (maxADC + minADC) / 2;
+ int t0 = -1;
+ for (int ii = thresholdCrossing - 1; ii < lastSample; ii++) {
+ if (ii >= samples.length - 1)
+ break;
+ if (samples[ii] <= halfMax && samples[ii + 1] > halfMax) {
+ t0 = ii;
+ break;
+ }
+ }
+ if (t0 > 0) {
+ final int t1 = t0 + 1;
+ final int a0 = samples[t0];
+ final int a1 = samples[t1];
+ // final double slope = (a1 - a0); // units = ADC/sample
+ // final double yint = a1 - slope * t1; // units = ADC
+ pulseTime = ((halfMax - a0) / (a1 - a0) + t0) * nsPerSample;
+ }
+ }
+ }
+
+ if (useFit) {
+ IFitResult fitResult = pulseFitter.fitPulse(hit, thresholdCrossing,
+ maxADC);
+ if (fitResult != null) {
+ fitQuality = fitResult.quality();
+ if (fitQuality > 0) {
+ pulseTime = fitResult.fittedParameter("time0")
+ * nsPerSample;
+ sumADC = fitResult.fittedParameter("integral");
+ minADC = fitResult.fittedParameter("pedestal");
+ maxADC = ((Ecal3PoleFunction) fitResult.fittedFunction())
+ .maximum();
+ }
+ }
+ }
+
+ return new double[] { pulseTime, sumADC, minADC, maxADC, fitQuality };
+ }
+
+ /**
+ * This HitDtoA is for emulating the conversion of Mode-1 readout
+ * (RawTrackerHit) into what EcalRawConverter would have created from a
+ * Mode-3 or Mode-7 readout. Clustering classes will read the resulting
+ * CalorimeterHits same as if they were directly readout from the FADCs in
+ * Mode-3/7. For Mode-3, hit time is just the time of threshold crossing,
+ * with an optional time-walk correction. For Mode-7, it is a
+ * "high-resolution" one calculated by linear interpolation between
+ * threshold crossing and pulse maximum. TODO: Generate GenericObject (and
+ * corresponding LCRelation) to store min and max to fully emulate mode-7.
+ * This is less important for now.
+ */
+ public ArrayList<CalorimeterHit> HitDtoA(EventHeader event,
+ RawTrackerHit hit) {
+ final long cellID = hit.getCellID();
+ final short samples[] = hit.getADCValues();
+ if (samples.length == 0)
+ return null;
+
+ // threshold is pedestal plus threshold configuration parameter:
+ final int absoluteThreshold;
+ if (useDAQConfig) {
+ // EcalChannel channel =
+ // ecalConditions.getChannelCollection().findGeometric(hit.getCellID());
+ // int leadingEdgeThreshold =
+ // ConfigurationManager.getInstance().getFADCConfig().getThreshold(channel.getChannelId());
+ int leadingEdgeThreshold = config.getThreshold(cellID);
+ absoluteThreshold = (int) (getSingleSamplePedestal(event, cellID) + leadingEdgeThreshold);
+ } else {
+ absoluteThreshold = (int) (getSingleSamplePedestal(event, cellID) + leadingEdgeThreshold);
+ }
+
+ ArrayList<Integer> thresholdCrossings = new ArrayList<Integer>();
+
+ // special case, first sample is above threshold:
+ if (samples[0] > absoluteThreshold) {
+ thresholdCrossings.add(0);
+ }
+
+ // search for threshold crossings:
+ for (int ii = 1; ii < samples.length; ++ii) {
+ if (samples[ii] > absoluteThreshold
+ && samples[ii - 1] <= absoluteThreshold) {
+
+ // found one:
+ thresholdCrossings.add(ii);
+
+ // search for next threshold crossing begins at end of this
+ // pulse:
+ if (useDAQConfig
+ && ConfigurationManager.getInstance().getFADCConfig()
+ .getMode() == 1) {
+ // special case, emulating SSP:
+ ii += 8;
+ } else {
+ // "normal" case, emulating FADC250:
+ ii += NSA / nsPerSample - 1;
+ }
+
+ // firmware limit on # of peaks:
+ if (thresholdCrossings.size() >= nPeak)
+ break;
+ }
+ }
+
+ // make hits
+ ArrayList<CalorimeterHit> newHits = new ArrayList<CalorimeterHit>();
+ for (int thresholdCrossing : thresholdCrossings) {
+ // do pulse integral:
+ final double[] data = convertWaveformToPulse(hit,
+ thresholdCrossing, mode7);
+ double time = data[0];
+ double sum = data[1];
+ // final double min = data[2]; // TODO: stick min and max in a
+ // GenericObject with an
+ // final double max = data[3]; // LCRelation to finish mode-7
+ // emulation
+ final double fitQuality = data[4];
+
+ if (!useFit || fitQuality <= 0) {
+ // do pedestal subtraction:
+ sum -= getPulsePedestal(event, cellID, samples.length,
+ thresholdCrossing);
+ }
+
+ // do gain scaling:
+ double energy = adcToEnergy(sum, cellID);
+
+ newHits.add(CalorimeterHitUtilities.create(energy, time, cellID));
+ }
+
+ return newHits;
+ }
+
+ /**
+ * This HitDtoA is for Mode-3 data. A time-walk correction can be applied.
+ */
+ public CalorimeterHit HitDtoA(EventHeader event, RawCalorimeterHit hit,
+ double timeOffset) {
+ if (hit.getTimeStamp() % 64 != 0) {
+ System.out.println("unexpected timestamp " + hit.getTimeStamp());
+ }
+ double time = hit.getTimeStamp() / 16.0;
+ long id = hit.getCellID();
+ double pedestal = getPulsePedestal(event, id, windowSamples, (int) time
+ / nsPerSample);
+ double adcSum = hit.getAmplitude() - pedestal;
+ double rawEnergy = adcToEnergy(adcSum, id);
+
+ return CalorimeterHitUtilities.create(rawEnergy, time + timeOffset, id);
+ }
+
+ /**
+ * This HitDtoA is exclusively for Mode-7 data, hence the GenericObject
+ * parameter.
+ */
+ public CalorimeterHit HitDtoA(EventHeader event, RawCalorimeterHit hit,
+ GenericObject mode7Data, double timeOffset) {
+ double time = hit.getTimeStamp() / 16.0; // timestamps use the full 62.5
+ // ps resolution
+ long id = hit.getCellID();
+ double pedestal = getPulsePedestal(event, id, windowSamples, (int) time
+ / nsPerSample);
+ double adcSum = hit.getAmplitude() - pedestal;
+ double rawEnergy = adcToEnergy(adcSum, id);
+ return CalorimeterHitUtilities.create(rawEnergy, time + timeOffset, id);
+ }
+
+ /**
+ * This converts a corrected pulse integral (pedestal-subtracted and
+ * gain-scaled) back into raw pulse integral with units ADC.
+ */
+ public RawCalorimeterHit HitAtoD(CalorimeterHit hit) {
+ int time = (int) (Math.round(hit.getTime() / 4.0) * 64.0);
+ long id = hit.getCellID();
+ // Get the channel data.
+ EcalChannelConstants channelData = findChannel(id);
+ int amplitude;
+ double pedestal = getPulsePedestal(null, id, windowSamples,
+ (int) hit.getTime() / nsPerSample);
+ if (constantGain) {
+ amplitude = (int) Math.round((hit.getRawEnergy() / EcalUtils.MeV)
+ / gain + pedestal);
+ } else {
+ amplitude = (int) Math.round((hit.getRawEnergy() / EcalUtils.MeV)
+ / channelData.getGain().getGain() + pedestal);
+ }
+ time += findChannel(id).getTimeShift().getTimeShift();
+ RawCalorimeterHit h = new BaseRawCalorimeterHit(id, amplitude, time);
+ return h;
+ }
+
+ /**
+ * return energy (units of GeV) corresponding to the ADC sum and crystal ID
+ */
+ private double adcToEnergy(double adcSum, long cellID) {
+
+ // Get the channel data.
+ EcalChannelConstants channelData = findChannel(cellID);
+
+ if (useDAQConfig) {
+ // float gain =
+ // ConfigurationManager.getInstance().getFADCConfig().getGain(ecalConditions.getChannelCollection().findGeometric(cellID));
+ return config.getGain(cellID) * adcSum * EcalUtils.MeV;
+ } else if (use2014Gain) {
+ if (constantGain) {
+ return adcSum * EcalUtils.gainFactor
+ * EcalUtils.ecalReadoutPeriod;
+ } else {
+ return channelData.getGain().getGain() * adcSum
+ * EcalUtils.gainFactor * EcalUtils.ecalReadoutPeriod; // should
+ // not
+ // be
+ // used
+ // for
+ // the
+ // moment
+ // (2014/02)
+ }
+ } else {
+ if (constantGain) {
+ return gain * adcSum * EcalUtils.MeV;
+ } else {
+ return channelData.getGain().getGain() * adcSum * EcalUtils.MeV; // gain
+ // is
+ // defined
+ // as
+ // MeV/integrated
+ // ADC
+ }
+ }
+ }
+
+ /**
+ * Must be set when an object EcalRawConverter is created.
+ *
+ * @param detector
+ * (long)
+ */
+ public void setDetector(Detector detector) {
+ // ECAL combined conditions object.
+ ecalConditions = DatabaseConditionsManager.getInstance()
+ .getEcalConditions();
+ pulseFitter.setDetector(detector);
+ }
+
+ /**
+ * Convert physical ID to gain value.
+ *
+ * @param cellID
+ * (long)
+ * @return channel constants (EcalChannelConstants)
+ */
+ public EcalChannelConstants findChannel(long cellID) {
+ return ecalConditions.getChannelConstants(ecalConditions
+ .getChannelCollection().findGeometric(cellID));
+ }
+
+}
