Author: [log in to unmask]
Date: Thu Jun 18 17:00:34 2015
New Revision: 3160
Log:
Analysis used to study tracks that share hits.
Added:
java/trunk/users/src/main/java/org/hps/users/omoreno/SharedHitAnalysis.java (with props)
Added: java/trunk/users/src/main/java/org/hps/users/omoreno/SharedHitAnalysis.java
=============================================================================
--- java/trunk/users/src/main/java/org/hps/users/omoreno/SharedHitAnalysis.java (added)
+++ java/trunk/users/src/main/java/org/hps/users/omoreno/SharedHitAnalysis.java Thu Jun 18 17:00:34 2015
@@ -0,0 +1,308 @@
+package org.hps.users.omoreno;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import hep.aida.IAnalysisFactory;
+import hep.aida.IHistogramFactory;
+import hep.aida.IPlotterFactory;
+import hep.aida.IPlotter;
+import hep.aida.IHistogram1D;
+import hep.aida.IPlotterStyle;
+import hep.aida.ITree;
+import hep.aida.ref.rootwriter.RootFileStore;
+import hep.physics.vec.BasicHep3Vector;
+
+import org.lcsim.detector.tracker.silicon.HpsSiSensor;
+import org.lcsim.event.EventHeader;
+import org.lcsim.event.LCRelation;
+import org.lcsim.event.RawTrackerHit;
+import org.lcsim.event.RelationalTable;
+import org.lcsim.event.Track;
+import org.lcsim.event.TrackerHit;
+import org.lcsim.event.base.BaseRelationalTable;
+import org.lcsim.geometry.Detector;
+import org.lcsim.util.Driver;
+import org.hps.recon.tracking.TrackUtils;
+
+public class SharedHitAnalysis extends Driver {
+
+ // Use JFreeChart as the default plotting backend
+ static {
+ hep.aida.jfree.AnalysisFactory.register();
+ }
+
+ // Collections
+ private String trackCollectionName = "MatchedTracks";
+ private String stereoHitRelationsColName = "HelicalTrackHitRelations";
+ private String rotatedHthRelationsColName = "RotatedHelicalTrackHitRelations";
+ private String helicalTrackHitsColName = "HelicalTrackHits";
+
+ // Plotting
+ ITree tree;
+ IHistogramFactory histogramFactory;
+ IPlotterFactory plotterFactory = IAnalysisFactory.create().createPlotterFactory();
+ protected Map<String, IPlotter> plotters = new HashMap<String, IPlotter>();
+ private Map<String, IHistogram1D> trackPlots = new HashMap<String, IHistogram1D>();
+
+ private Map<Integer, List<TrackerHit>> topLayerToStereoHit = new HashMap<Integer, List<TrackerHit>>();
+ private Map<Integer, List<TrackerHit>> bottomLayerToStereoHit = new HashMap<Integer, List<TrackerHit>>();
+
+ IPlotterStyle createStyle(int color, String xAxisTitle, String yAxisTitle) {
+
+ // Create a default style
+ IPlotterStyle style = this.plotterFactory.createPlotterStyle();
+
+ // Set the style of the X axis
+ style.xAxisStyle().setLabel(xAxisTitle);
+ style.xAxisStyle().labelStyle().setFontSize(14);
+ style.xAxisStyle().setVisible(true);
+
+ // Set the style of the Y axis
+ style.yAxisStyle().setLabel(yAxisTitle);
+ style.yAxisStyle().labelStyle().setFontSize(14);
+ style.yAxisStyle().setVisible(true);
+
+ // Turn off the histogram grid
+ style.gridStyle().setVisible(false);
+
+ // Set the style of the data
+ style.dataStyle().lineStyle().setVisible(false);
+ style.dataStyle().outlineStyle().setVisible(false);
+ style.dataStyle().outlineStyle().setThickness(4);
+ style.dataStyle().fillStyle().setVisible(true);
+
+ if (color == 1) {
+ style.dataStyle().fillStyle().setColor("31, 137, 229, 1");
+ style.dataStyle().outlineStyle().setColor("31, 137, 229, 1");
+ style.dataStyle().fillStyle().setOpacity(.30);
+ } else if (color == 2) {
+ style.dataStyle().fillStyle().setColor("93, 228, 47, 1");
+ style.dataStyle().outlineStyle().setColor("93, 228, 47, 1");
+ style.dataStyle().fillStyle().setOpacity(.30);
+ } else if (color == 3) {
+ style.dataStyle().fillStyle().setColor("255, 38, 38, 1");
+ style.dataStyle().outlineStyle().setColor("255, 38, 38, 1");
+ style.dataStyle().fillStyle().setOpacity(.70);
+ }
+ style.dataStyle().errorBarStyle().setVisible(false);
+
+ // Turn off the legend
+ style.legendBoxStyle().setVisible(false);
+
+ return style;
+ }
+
+
+ protected void detectorChanged(Detector detector){
+
+ for (int layer = 1; layer <= 6; layer++) {
+
+ topLayerToStereoHit.put(layer, new ArrayList<TrackerHit>());
+ bottomLayerToStereoHit.put(layer, new ArrayList<TrackerHit>());
+ }
+
+ tree = IAnalysisFactory.create().createTreeFactory().create();
+ histogramFactory = IAnalysisFactory.create().createHistogramFactory(tree);
+
+ plotters.put("Event Information", plotterFactory.create("Event information"));
+ plotters.get("Event Information").createRegions(2, 3);
+
+ trackPlots.put("Number of tracks", histogramFactory.createHistogram1D("Number of tracks", 10, 0, 10));
+ plotters.get("Event Information").region(0).plot(trackPlots.get("Number of tracks"));
+
+ trackPlots.put("chi2", histogramFactory.createHistogram1D("chi2", 40, 0, 40));
+ trackPlots.put("chi2 - shared strip hit", histogramFactory.createHistogram1D("chi2 - shared strip hit", 40, 0, 40));
+ trackPlots.put("chi2 - l1 Isolation", histogramFactory.createHistogram1D("chi2 - l1 Isolation", 40, 0, 40));
+ plotters.get("Event Information").region(2).plot(trackPlots.get("chi2"), this.createStyle(1, "", ""));
+ plotters.get("Event Information").region(2).plot(trackPlots.get("chi2 - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Event Information").region(2).plot(trackPlots.get("chi2 - l1 Isolation"), this.createStyle(3, "", ""));
+
+ plotters.put("Track Parameters", plotterFactory.create("Track Parameters"));
+ plotters.get("Track Parameters").createRegions(3, 3);
+
+ trackPlots.put("doca", histogramFactory.createHistogram1D("doca", 80, -10, 10));
+ trackPlots.put("doca - shared strip hit", histogramFactory.createHistogram1D("doca - shared strip hit", 80, -10, 10));
+ trackPlots.put("doca - l1 Isolation", histogramFactory.createHistogram1D("doca - l1 Isolation", 80, -10, 10));
+ plotters.get("Track Parameters").region(0).plot(trackPlots.get("doca"),this.createStyle(1, "", ""));
+ plotters.get("Track Parameters").region(0).plot(trackPlots.get("doca - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Track Parameters").region(0).plot(trackPlots.get("doca - l1 Isolation"), this.createStyle(3, "", ""));
+
+ trackPlots.put("z0", histogramFactory.createHistogram1D("z0", 80, -2, 2));
+ trackPlots.put("z0 - shared strip hit", histogramFactory.createHistogram1D("z0 - shared strip hit", 80, -2, 2));
+ trackPlots.put("z0 - l1 Isolation", histogramFactory.createHistogram1D("z0 - l1 Isolation", 80, -2, 2));
+ plotters.get("Track Parameters").region(1).plot(trackPlots.get("z0"), this.createStyle(1, "", ""));
+ plotters.get("Track Parameters").region(1).plot(trackPlots.get("z0 - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Track Parameters").region(1).plot(trackPlots.get("z0 - l1 Isolation"), this.createStyle(3, "", ""));
+
+ trackPlots.put("sin(phi0)", histogramFactory.createHistogram1D("sin(phi0)", 40, -0.2, 0.2));
+ trackPlots.put("sin(phi0) - shared strip hit", histogramFactory.createHistogram1D("sin(phi0) - shared strip hit", 40, -0.2, 0.2));
+ trackPlots.put("sin(phi0) - l1 Isolation", histogramFactory.createHistogram1D("sin(phi0) - l1 Isolation", 40, -0.2, 0.2));
+ plotters.get("Track Parameters").region(2).plot(trackPlots.get("sin(phi0)"), this.createStyle(1, "", ""));
+ plotters.get("Track Parameters").region(2).plot(trackPlots.get("sin(phi0) - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Track Parameters").region(2).plot(trackPlots.get("sin(phi0) - l1 Isolation"), this.createStyle(3, "", ""));
+
+ trackPlots.put("curvature", histogramFactory.createHistogram1D("curvature", 50, -0.001, 0.001));
+ trackPlots.put("curvature - shared strip hit", histogramFactory.createHistogram1D("curvature - shared strip hit", 50, -0.001, 0.001));
+ trackPlots.put("curvature - l1 Isolation", histogramFactory.createHistogram1D("curvature - l1 Isolation", 50, -0.001, 0.001));
+ plotters.get("Track Parameters").region(3).plot(trackPlots.get("curvature"), this.createStyle(1, "", ""));
+ plotters.get("Track Parameters").region(3).plot(trackPlots.get("curvature - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Track Parameters").region(3).plot(trackPlots.get("curvature - l1 Isolation"), this.createStyle(3, "", ""));
+
+ trackPlots.put("tan_lambda", histogramFactory.createHistogram1D("tan_lambda", 100, -0.1, 0.1));
+ trackPlots.put("tan_lambda - shared strip hit", histogramFactory.createHistogram1D("tan_lambda - shared strip hit", 100, -0.1, 0.1));
+ trackPlots.put("tan_lambda - l1 Isolation", histogramFactory.createHistogram1D("tan_lambda - l1 Isolation", 100, -0.1, 0.1));
+ plotters.get("Track Parameters").region(4).plot(trackPlots.get("tan_lambda"), this.createStyle(1, "", ""));
+ plotters.get("Track Parameters").region(4).plot(trackPlots.get("tan_lambda - shared strip hit"), this.createStyle(2, "", ""));
+ plotters.get("Track Parameters").region(4).plot(trackPlots.get("tan_lambda - l1 Isolation"), this.createStyle(3, "", ""));
+
+ for (IPlotter plotter : plotters.values()) {
+ plotter.show();
+ }
+ }
+
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public void process(EventHeader event){
+
+ // If the event doesn't have any tracks, skip it
+ if(!event.hasCollection(Track.class, trackCollectionName)) return;
+
+ // Get the collection of tracks from the event
+ List<Track> tracks = event.get(Track.class, trackCollectionName);
+
+ // Get the collection of LCRelations between a stereo hit and the strips
+ // making it up
+ List<LCRelation> stereoHitRelations = event.get(LCRelation.class, stereoHitRelationsColName);
+ BaseRelationalTable stereoHitToClusters = new BaseRelationalTable(RelationalTable.Mode.MANY_TO_MANY, RelationalTable.Weighting.UNWEIGHTED);
+ for (LCRelation relation : stereoHitRelations) {
+ if (relation != null && relation.getFrom() != null && relation.getTo() != null) {
+ stereoHitToClusters.add(relation.getFrom(), relation.getTo());
+ }
+ }
+
+ // Get the collection of LCRelations relating RotatedHelicalTrackHits to
+ // HelicalTrackHits
+ List<LCRelation> rotatedHthToHthRelations = event.get(LCRelation.class, rotatedHthRelationsColName);
+ BaseRelationalTable hthToRotatedHth = new BaseRelationalTable(RelationalTable.Mode.ONE_TO_ONE, RelationalTable.Weighting.UNWEIGHTED);
+ for (LCRelation relation : rotatedHthToHthRelations) {
+ if (relation != null && relation.getFrom() != null && relation.getTo() != null) {
+ hthToRotatedHth.add(relation.getFrom(), relation.getTo());
+ }
+ }
+
+ List<TrackerHit> stereoHits = event.get(TrackerHit.class, helicalTrackHitsColName);
+ this.mapStereoHits(stereoHits);
+
+ // Loop over all of the tracks in the event
+ for(Track track : tracks){
+
+ boolean sharedHitTrack = false;
+ boolean l1Isolation = true;
+
+ // Fill the track parameter plots
+
+ // Loop through all of the stereo hits associated with a track
+ for (TrackerHit rotatedStereoHit : track.getTrackerHits()) {
+
+ TrackerHit stereoHit = (TrackerHit) hthToRotatedHth.from(rotatedStereoHit);
+
+ // Get the HelicalTrackHit corresponding to the
+ // RotatedHelicalTrackHit associated with a track
+ Set<TrackerHit> clusters = stereoHitToClusters.allFrom(stereoHit);
+
+ for (TrackerHit cluster : clusters) {
+
+ Set<TrackerHit> sharedStereoHits = stereoHitToClusters.allTo(cluster);
+
+ if (sharedStereoHits.size() > 1) {
+ //System.out.println("Multiple stereo hits share a hit");
+
+ for (TrackerHit sharedStereoHit : sharedStereoHits) {
+ //System.out.println("Shared stereo hit position: " + (new BasicHep3Vector(sharedStereoHit.getPosition())).toString());
+ }
+ sharedHitTrack = true;
+ }
+ }
+
+ HpsSiSensor sensor = (HpsSiSensor) ((RawTrackerHit) stereoHit.getRawHits().get(0)).getDetectorElement();
+ int layer = (sensor.getLayerNumber() + 1)/2;
+
+ List<TrackerHit> layerHits;
+ if (sensor.isTopLayer()) {
+ layerHits = this.getTopLayerStereoHits(layer);
+ } else {
+ layerHits = this.getBottomLayerStereoHits(layer);
+ }
+
+ if (layerHits.size() > 1 && layer == 1) {
+
+ for (TrackerHit layerHit : layerHits) {
+ if (layerHit == stereoHit) continue;
+
+ double deltaX = stereoHit.getPosition()[0] - layerHit.getPosition()[0];
+ double deltaY = stereoHit.getPosition()[1] - layerHit.getPosition()[1];
+
+ if (Math.abs(deltaX) < .5 && Math.abs(deltaY) < .5) {
+ l1Isolation = false;
+ }
+ }
+ }
+ }
+
+ if (sharedHitTrack) {
+ trackPlots.get("doca - shared strip hit").fill(TrackUtils.getDoca(track));
+ trackPlots.get("z0 - shared strip hit").fill(TrackUtils.getZ0(track));
+ trackPlots.get("sin(phi0) - shared strip hit").fill(TrackUtils.getPhi0(track));
+ trackPlots.get("curvature - shared strip hit").fill(TrackUtils.getR(track));
+ trackPlots.get("tan_lambda - shared strip hit").fill(TrackUtils.getTanLambda(track));
+ trackPlots.get("chi2 - shared strip hit").fill(track.getChi2());
+ } else {
+ trackPlots.get("doca").fill(TrackUtils.getDoca(track));
+ trackPlots.get("z0").fill(TrackUtils.getZ0(track));
+ trackPlots.get("sin(phi0)").fill(TrackUtils.getPhi0(track));
+ trackPlots.get("curvature").fill(TrackUtils.getR(track));
+ trackPlots.get("tan_lambda").fill(TrackUtils.getTanLambda(track));
+ trackPlots.get("chi2").fill(track.getChi2());
+ }
+
+ if (l1Isolation) {
+ trackPlots.get("doca - l1 Isolation").fill(TrackUtils.getDoca(track));
+ trackPlots.get("z0 - l1 Isolation").fill(TrackUtils.getZ0(track));
+ trackPlots.get("sin(phi0) - l1 Isolation").fill(TrackUtils.getPhi0(track));
+ trackPlots.get("curvature - l1 Isolation").fill(TrackUtils.getR(track));
+ trackPlots.get("tan_lambda - l1 Isolation").fill(TrackUtils.getTanLambda(track));
+ trackPlots.get("chi2 - l1 Isolation").fill(track.getChi2());
+ }
+ }
+ }
+
+ private void mapStereoHits(List<TrackerHit> stereoHits) {
+
+ for (int layer = 1; layer <= 6; layer++) {
+ topLayerToStereoHit.get(layer).clear();
+ bottomLayerToStereoHit.get(layer).clear();;
+ }
+
+ for (TrackerHit stereoHit : stereoHits) {
+ HpsSiSensor sensor = (HpsSiSensor) ((RawTrackerHit) stereoHit.getRawHits().get(0)).getDetectorElement();
+ int layer = (sensor.getLayerNumber() + 1)/2;
+ if (sensor.isTopLayer()) {
+ topLayerToStereoHit.get(layer).add(stereoHit);
+ } else {
+ bottomLayerToStereoHit.get(layer).add(stereoHit);
+ }
+ }
+ }
+
+ private List<TrackerHit> getTopLayerStereoHits(int layer) {
+ return topLayerToStereoHit.get(layer);
+ }
+
+ private List<TrackerHit> getBottomLayerStereoHits(int layer) {
+ return bottomLayerToStereoHit.get(layer);
+ }
+}
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