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pileup redone

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This commit is contained in:
Alexander Nozik 2016-11-20 15:22:30 +03:00
parent 1da940791c
commit 79336be1da
5 changed files with 122 additions and 377 deletions
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70
numass-main/src/main/groovy/inr/numass/scripts/SimulatePileup.groovy
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@ -6,28 +6,73 @@
package inr.numass.scripts
import hep.dataforge.grind.GrindMetaBuilder
import hep.dataforge.meta.Meta
import inr.numass.actions.PileupSimulationAction
import inr.numass.storage.NMPoint
import inr.numass.storage.NumassData
import inr.numass.storage.NumassDataLoader
import inr.numass.utils.NMEventGenerator
import inr.numass.utils.PileUpSimulator
import inr.numass.utils.TritiumUtils
import org.apache.commons.math3.random.JDKRandomGenerator
File dataDir = new File("D:\\Work\\Numass\\data\\2016_10\\Fill_1\\set_10")
rnd = new JDKRandomGenerator();
//Loading data
File dataDir = new File("D:\\Work\\Numass\\data\\2016_10\\Fill_1\\set_28")
if (!dataDir.exists()) {
println "dataDir directory does not exist"
}
Meta config = new GrindMetaBuilder().config(lowerChannel: 500, upperChannel: 1800)
//println config
NumassData data = NumassDataLoader.fromLocalDir(null, dataDir)
Map<String, NumassData> res = new PileupSimulationAction().simpleRun(data,config)
//Simulation process
Map<String, List<NMPoint>> res = [:]
List<NMPoint> generated = new ArrayList<>();
List<NMPoint> registered = new ArrayList<>();
List<NMPoint> firstIteration = new ArrayList<>();
List<NMPoint> secondIteration = new ArrayList<>();
List<NMPoint> pileup = new ArrayList<>();
lowerChannel = 400;
upperChannel = 3800;
PileUpSimulator buildSimulator(NMPoint point, double cr, NMPoint reference = null, double scale = 1d) {
NMEventGenerator generator = new NMEventGenerator(cr, rnd)
generator.loadSpectrum(point, reference, lowerChannel, upperChannel);
return new PileUpSimulator(point.length * scale, rnd, generator).withUset(point.uset).generate();
}
data.NMPoints.forEach { point ->
double cr = TritiumUtils.countRateWithDeadTime(point, lowerChannel, upperChannel, 6.2e-6);
PileUpSimulator simulator = buildSimulator(point, cr);
//second iteration to exclude pileup overlap
NMPoint pileupPoint = simulator.pileup();
firstIteration.add(simulator.registered());
simulator = buildSimulator(point, cr, pileupPoint);
pileupPoint = simulator.pileup();
secondIteration.add(simulator.registered());
simulator = buildSimulator(point, cr, pileupPoint);
generated.add(simulator.generated());
registered.add(simulator.registered());
pileup.add(simulator.pileup());
}
res.put("original", data.NMPoints);
res.put("generated", generated);
res.put("registered", registered);
// res.put("firstIteration", new SimulatedPoint("firstIteration", firstIteration));
// res.put("secondIteration", new SimulatedPoint("secondIteration", secondIteration));
res.put("pileup", pileup);
def keys = res.keySet();
//print spectra for selected point
double u = 16500d;
List<Map> points = res.collect{key, value -> value.getByUset(u).getMapWithBinning(20, false)}
List<Map> points = res.values().collect { it.find { it.uset == u }.getMapWithBinning(20, false) }
println "\n Spectrum example for U = ${u}\n"
@ -39,15 +84,16 @@ points.first().keySet().each{
println points.collect { map -> map[it] }.join("\t")
}
//printing count rate in window
print "U\tLength\t"
print keys.collect { it + "[total]" }.join("\t") + "\t"
print keys.collect { it + "[pulse]" }.join("\t") + "\t"
println keys.join("\t")
for (int i = 0; i < data.getNMPoints().size(); i++) {
print "${data.getNMPoints().get(i).getUset()}\t"
print "${data.getNMPoints().get(i).getLength()}\t"
print keys.collect{res[it].getNMPoints().get(i).getEventsCount()}.join("\t") + "\t"
println keys.collect { res[it].getNMPoints().get(i).getCountInWindow(500, 1800) }.join("\t")
print keys.collect { res[it].get(i).getEventsCount() }.join("\t") + "\t"
print keys.collect { res[it].get(i).getCountInWindow(3100, 3800) }.join("\t") + "\t"
println keys.collect { res[it].get(i).getCountInWindow(400, 3100) }.join("\t")
}

122
numass-main/src/main/java/inr/numass/actions/PileupSimulationAction.java
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@ -1,122 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package inr.numass.actions;
import hep.dataforge.actions.OneToOneAction;
import hep.dataforge.description.TypedActionDef;
import hep.dataforge.meta.Laminate;
import hep.dataforge.meta.Meta;
import inr.numass.storage.NMPoint;
import inr.numass.storage.NumassData;
import inr.numass.storage.RawNMPoint;
import inr.numass.utils.PileUpSimulator;
import inr.numass.utils.TritiumUtils;
import java.time.Instant;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* Simulate pileup
*
* @author Alexander Nozik
*/
@TypedActionDef(name = "simulatePileup", inputType = NumassData.class, outputType = Map.class)
public class PileupSimulationAction extends OneToOneAction<NumassData, Map<String, NumassData>> {
@Override
protected Map<String, NumassData> execute(String name, Laminate inputMeta, NumassData input) {
int lowerChannel = inputMeta.getInt("lowerChannel", 1);
int upperChannel = inputMeta.getInt("upperChannel", RawNMPoint.MAX_CHANEL - 1);
List<NMPoint> generated = new ArrayList<>();
List<NMPoint> registered = new ArrayList<>();
List<NMPoint> firstIteration = new ArrayList<>();
List<NMPoint> secondIteration = new ArrayList<>();
List<NMPoint> pileup = new ArrayList<>();
double scale = inputMeta.getDouble("scale", 1d);
input.getNMPoints().forEach(point -> {
double length = point.getLength() * scale;
double cr = TritiumUtils.countRateWithDeadTime(point, lowerChannel, upperChannel, 6.4e-6);
PileUpSimulator simulator = new PileUpSimulator(cr, length)
.withGenerator(point, null, lowerChannel, upperChannel)
.generate();
//second iteration to exclude pileup overlap
NMPoint pileupPoint = simulator.pileup();
firstIteration.add(simulator.registered());
simulator = new PileUpSimulator(cr, length)
.withGenerator(point, pileupPoint, lowerChannel, upperChannel)
.generate();
pileupPoint = simulator.pileup();
secondIteration.add(simulator.registered());
simulator = new PileUpSimulator(cr, length)
.withGenerator(point, pileupPoint, lowerChannel, upperChannel)
.generate();
generated.add(simulator.generated());
registered.add(simulator.registered());
pileup.add(simulator.pileup());
});
Map<String, NumassData> res = new LinkedHashMap<>();
res.put("original", input);
res.put("generated", new SimulatedPoint("generated", generated));
res.put("registered", new SimulatedPoint("registered", registered));
res.put("firstIteration", new SimulatedPoint("firstIteration", firstIteration));
res.put("secondIteration", new SimulatedPoint("secondIteration", secondIteration));
res.put("pileup", new SimulatedPoint("pileup", pileup));
return res;
}
private static class SimulatedPoint implements NumassData {
private final String name;
private final List<NMPoint> points;
public SimulatedPoint(String name, List<NMPoint> points) {
this.name = name;
this.points = points;
}
@Override
public String getDescription() {
return name;
}
@Override
public Meta meta() {
return Meta.empty();
}
@Override
public List<NMPoint> getNMPoints() {
return points;
}
@Override
public boolean isEmpty() {
return points.isEmpty();
}
@Override
public Instant startTime() {
return Instant.EPOCH;
}
@Override
public String getName() {
return name;
}
}
}

184
numass-main/src/main/java/inr/numass/utils/EventChainGenerator.java
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@ -1,184 +0,0 @@
/*
* Copyright 2015 Alexander Nozik.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package inr.numass.utils;
import inr.numass.storage.NMEvent;
import inr.numass.storage.RawNMPoint;
import static java.lang.Math.max;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import static java.lang.Math.max;
/**
* Utility class for pile-up simulation
* @author Darksnake
*/
public final class EventChainGenerator {
private final static double us = 1e-6;//microsecond
private double blockStartTime = 0;
private final List<NMEvent> generatedChain = new ArrayList<>();
private final NMEventGenerator generator;
private final double length;
private final List<NMEvent> pileupChain = new ArrayList<>();
private final List<NMEvent> registredChain = new ArrayList<>();
public EventChainGenerator(double cr, double length) {
generator = new NMEventGenerator(cr);
this.length = length;
run();
}
public EventChainGenerator(double cr, double length, RawNMPoint source, int minChanel, int maxChanel) {
generator = new NMEventGenerator(cr);
this.generator.loadSpectrum(source, minChanel, maxChanel);
this.length = length;
run();
}
public EventChainGenerator(double cr, double length, Map<Double,Double> spectrum, int minChanel, int maxChanel) {
generator = new NMEventGenerator(cr);
this.generator.loadSpectrum(spectrum, minChanel, maxChanel);
this.length = length;
run();
}
/**
* Амлпитуда второго сигнала в зависимости от амплитуд наложенных сигналов и
* задержки
*
* @param delay
* @return
*/
private short getNewChanel(double delay, short prevChanel, short newChanel) {
assert delay > 0;
//эмпирическая формула для канала
double x = delay / us;
double coef = max(0, 0.99078 + 0.05098 * x - 0.45775 * x * x + 0.10962 * x * x * x);
return (short) (prevChanel + coef * newChanel);
}
public RawNMPoint getPileUp() {
return new RawNMPoint(2, pileupChain, length);
}
public RawNMPoint getPointAsGenerated() {
return new RawNMPoint(0, generatedChain, length);
}
public RawNMPoint getPointAsRegistred() {
return new RawNMPoint(1, registredChain, length);
}
/**
* Имеется второй сигнал
*
* @param delay
* @return
*/
private boolean hasNew(double delay) {
if (delay > 2.65 * us) {
return false;
} else if (delay < 2.35 * us) {
return true;
} else {
return heads((2.65 * us - delay) / 0.3 / us);
}
}
private boolean heads(double prob) {
double r = generator.nextUniform();
return r < prob;
}
NMEvent nextEvent(NMEvent prev) {
if (prev == null) {
return generator.nextEvent(new NMEvent((short)0, 0));
}
NMEvent event = generator.nextEvent(prev);
generatedChain.add(event);
double delay = event.getTime() - blockStartTime;
if (notDT(delay)) {
//Если система сбора данных успела переварить предыдущие события
registredChain.add(event);
blockStartTime = event.getTime();
return event;
} else {
if ((!prevSurvived(delay)) && (!registredChain.isEmpty())) {
//если первое событие не выжило, а ушло в наложения
registredChain.remove(registredChain.size() - 1);
}
if (hasNew(delay)) {
// Если есть событие с увеличенной амлитудой
NMEvent pileup = new NMEvent(getNewChanel(delay, prev.getChanel(), event.getChanel()), event.getTime());
registredChain.add(pileup);
pileupChain.add(pileup);
}
//возвращаем предыдущее событие, чтобы отсчитывать мертвое время от него
return prev;
}
}
/**
* Не попал в мертвое время и наложения
*
* @param delay
* @return
*/
private boolean notDT(double delay) {
if (delay > 7.0 * us) {
return true;
} else if (delay < 6.5 * us) {
return false;
} else {
return heads((delay - 6.5 * us) / 0.5 / us);
}
}
/**
* Выжило предыдушее событие
*
* @param delay
* @return
*/
private boolean prevSurvived(double delay) {
if (delay > 2.65 * us) {
return true;
} else if (delay < 2.35 * us) {
return false;
} else {
return heads((delay - 2.35 * us) / 0.3 / us);
}
}
private void run() {
NMEvent next = null;
do {
next = nextEvent(next);
} while (next.getTime() < length);
}
}

61
numass-main/src/main/java/inr/numass/utils/NMEventGenerator.java
View File

@ -18,31 +18,31 @@ package inr.numass.utils;
import inr.numass.storage.NMEvent;
import inr.numass.storage.NMPoint;
import inr.numass.storage.RawNMPoint;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.math3.distribution.EnumeratedRealDistribution;
import org.apache.commons.math3.distribution.RealDistribution;
import org.apache.commons.math3.random.EmpiricalDistribution;
import org.apache.commons.math3.random.JDKRandomGenerator;
import org.apache.commons.math3.random.RandomGenerator;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
/**
* A generator for Numass events with given energy spectrum
*
* @author Darksnake
*/
public class NMEventGenerator {
public class NMEventGenerator implements Supplier<NMEvent> {
double cr;
// UnivariateFunction signalShape;
RealDistribution distribution;
private final RandomGenerator rnd;
private NMEvent prevEvent;
private final RandomGenerator generator;
public NMEventGenerator(double cr) {
public NMEventGenerator(double cr, RandomGenerator rnd) {
this.cr = cr;
generator = new JDKRandomGenerator();
this.rnd = rnd;
}
public void loadSpectrum(RawNMPoint point, int minChanel, int maxChanel) {
@ -97,7 +97,6 @@ public class NMEventGenerator {
}
/**
*
* @param point
* @param reference
* @param lower lower channel for spectrum generation
@ -113,7 +112,7 @@ public class NMEventGenerator {
distribution = new EnumeratedRealDistribution(chanels, values);
}
public NMEvent nextEvent(NMEvent prev) {
private NMEvent nextEvent(NMEvent prev) {
short chanel;
if (distribution != null) {
@ -122,28 +121,34 @@ public class NMEventGenerator {
chanel = 1600;
}
return new NMEvent(chanel, prev == null ? 0 : prev.getTime() + nextExpDecay(1d / cr));
return new NMEvent(chanel, (prev == null ? 0 : prev.getTime()) + nextExpDecay(1d / cr));
}
public double nextExpDecay(double mean) {
double rand = this.nextUniform();
return -mean * Math.log(1 - rand);
@Override
public synchronized NMEvent get() {
return prevEvent = nextEvent(prevEvent);
}
public double nextPositiveGaussian(double mean, double sigma) {
double res = -1;
while (res <= 0) {
res = mean + generator.nextGaussian() * sigma;
}
return res;
private double nextExpDecay(double mean) {
return -mean * Math.log(1 - rnd.nextDouble());
}
public double nextUniform() {
return generator.nextDouble();
}
public void setSeed(int seed) {
generator.setSeed(seed);
}
// public double nextPositiveGaussian(double mean, double sigma) {
// double res = -1;
// while (res <= 0) {
// res = mean + generator.nextGaussian() * sigma;
// }
// return res;
// }
//
// public double nextUniform() {
// return generator.nextDouble();
// }
//
// public void setSeed(int seed) {
// generator.setSeed(seed);
// }
}

48
numass-main/src/main/java/inr/numass/utils/PileUpSimulator.java
View File

@ -8,9 +8,11 @@ package inr.numass.utils;
import inr.numass.storage.NMEvent;
import inr.numass.storage.NMPoint;
import inr.numass.storage.RawNMPoint;
import org.apache.commons.math3.random.RandomGenerator;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;
import static java.lang.Math.max;
@ -21,32 +23,32 @@ public class PileUpSimulator {
private final static double us = 1e-6;//microsecond
private final double pointLength;
private final NMEventGenerator generator;
private Supplier<NMEvent> generator;
private final RandomGenerator rnd;
private final List<NMEvent> generated = new ArrayList<>();
private final List<NMEvent> pileup = new ArrayList<>();
private final List<NMEvent> registred = new ArrayList<>();
private double uSet = 0;
public PileUpSimulator(double countRate, double length) {
generator = new NMEventGenerator(countRate);
public PileUpSimulator(double length, RandomGenerator rnd, Supplier<NMEvent> sup) {
this.rnd = rnd;
generator = sup;//new NMEventGenerator(countRate, rnd);
this.pointLength = length;
}
public PileUpSimulator withGenerator(NMPoint spectrum, NMPoint reference) {
this.uSet = spectrum.getUset();
generator.loadSpectrum(spectrum, reference);
public PileUpSimulator(double length, RandomGenerator rnd, double countRate) {
this.rnd = rnd;
generator = new NMEventGenerator(countRate, rnd);
this.pointLength = length;
}
public PileUpSimulator withGenerator(Supplier<NMEvent> sup){
this.generator = sup;
return this;
}
public PileUpSimulator withGenerator(NMPoint spectrum, NMPoint reference, int from, int to) {
this.uSet = spectrum.getUset();
generator.loadSpectrum(spectrum, reference, from, to);
return this;
}
public PileUpSimulator withGenerator(NMPoint spectrum) {
this.uSet = spectrum.getUset();
generator.loadSpectrum(spectrum);
public PileUpSimulator withUset(double uset){
this.uSet = uset;
return this;
}
@ -103,33 +105,32 @@ public class PileUpSimulator {
}
private boolean random(double prob) {
double r = generator.nextUniform();
return r <= prob;
return rnd.nextDouble() <= prob;
}
public synchronized PileUpSimulator generate() {
NMEvent last = null;// last event
NMEvent next;
double lastRegisteredTime = 0; // Time of DAQ closing
//flag that shows that previous event was pileup
boolean pileupFlag = false;
while (true) {
NMEvent next = generator.nextEvent(last);
next = generator.get();
if (next.getTime() > pointLength) {
break;
}
generated.add(next);
//not counting double pileups
if (last != null) {
if (generated.size() > 1) {
double delay = (next.getTime() - lastRegisteredTime) / us; //time between events in microseconds
if (nextEventRegistered(last.getChanel(), delay)) {
if (nextEventRegistered(next.getChanel(), delay)) {
//just register new event
registred.add(next);
lastRegisteredTime = next.getTime();
pileupFlag = false;
} else if (pileup(delay) && !pileupFlag) {
//pileup event
short newChannel = pileupChannel(delay, last.getChanel(), next.getChanel());
NMEvent newEvent = new NMEvent(newChannel, last.getTime());
short newChannel = pileupChannel(delay, next.getChanel(), next.getChanel());
NMEvent newEvent = new NMEvent(newChannel, next.getTime());
//replace already registered event by event with new channel
registred.remove(registred.size() - 1);
registred.add(newEvent);
@ -145,7 +146,6 @@ public class PileUpSimulator {
registred.add(next);
lastRegisteredTime = next.getTime();
}
last = next;
}
return this;
}