1 package org.lcsim.recon.tracking.vsegment.digitization;
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3 import java.util.*;
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5 import org.lcsim.detector.DetectorElementStore;
6 import org.lcsim.detector.IDetectorElementContainer;
7 import org.lcsim.detector.identifier.IIdentifier;
8 import org.lcsim.detector.identifier.Identifier;
9 import org.lcsim.event.EventHeader;
10 import org.lcsim.event.SimTrackerHit;
11 import org.lcsim.recon.cat.util.NoSuchParameterException;
12 import org.lcsim.units.clhep.SystemOfUnits;
13 import org.lcsim.util.Driver;
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15 import org.lcsim.recon.tracking.vsegment.geom.SegmentationManager;
16 import org.lcsim.recon.tracking.vsegment.geom.Sensor;
17 import org.lcsim.recon.tracking.vsegment.hit.DigiTrackerHit;
18 import org.lcsim.recon.tracking.vsegment.hit.base.DigiTrackerHitComposite;
19 import org.lcsim.recon.tracking.vsegment.mctruth.MCTruth;
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45 public class SimToDigiDriver extends Driver {
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53 public SimToDigiDriver(SimToDigiConverter converter) {
54 _converter = converter;
55 set("DISTANCE_CUT", 200.*SystemOfUnits.micrometer);
56 }
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61 public SimToDigiConverter getConverter() {return _converter;}
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66 public void setConverter(SimToDigiConverter converter) {_converter = converter;}
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84 public void set(String name, double value) {
85 if (name.equalsIgnoreCase("DISTANCE_CUT")) {
86 _distCut2 = value*value;
87 } else {
88 throw new NoSuchParameterException(name, this.getClass());
89 }
90 }
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109 public void set(String name, String value) {
110 if (name.equalsIgnoreCase("ADD_INPUT_LIST_NAME")) {
111 if (_inListNames == null) _inListNames = new ArrayList<String>(5);
112 _inListNames.add(value);
113 } else if (name.equalsIgnoreCase("OUTPUT_MAP_NAME")) {
114 _outMapName = value;
115 } else {
116 throw new NoSuchParameterException(name, this.getClass());
117 }
118 }
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122 public void process(EventHeader event) {
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126 super.process(event);
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130 MCTruth mcTruth = null;
131 try {
132 mcTruth = (MCTruth) event.get("MCTruth");
133 } catch (IllegalArgumentException x) {}
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137 SegmentationManager segMan = (SegmentationManager) event.get("SegmentationManager");
138 _converter.setSegmentationManager(segMan);
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142 List<List<SimTrackerHit>> collections;
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144 if (_inListNames == null) {
145 collections = event.get(SimTrackerHit.class);
146 } else {
147 collections = new ArrayList<List<SimTrackerHit>>(_inListNames.size());
148 for (String name : _inListNames) {
149 try {
150 collections.add(event.get(SimTrackerHit.class, name));
151 } catch (IllegalArgumentException x) {}
152 }
153 }
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157 HashMap<Sensor, ArrayList<DigiTrackerHit>> outMap = new HashMap<Sensor, ArrayList<DigiTrackerHit>>();
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161 for (List<SimTrackerHit> hitList : collections) {
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165 LinkedList<LinkedList<SimTrackerHit>> groupList = new LinkedList<LinkedList<SimTrackerHit>>();
166 for (SimTrackerHit hit : hitList) {
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169 if (hit.getDetectorElement() == null) {
170 IIdentifier hitId = new Identifier(hit.getCellID());
171 IDetectorElementContainer deHit = DetectorElementStore.getInstance().find(hitId);
172 if (deHit.size() == 0) {
173 throw new RuntimeException("No DetectorElement found for id <"+hitId.toString()+">.");
174 }
175 hit.setDetectorElement( deHit.get(0) );
176 }
177
178 boolean found = false;
179 for (LinkedList<SimTrackerHit> group : groupList) {
180 SimTrackerHit lastHit = group.getLast();
181 if (hit.getMCParticle() == lastHit.getMCParticle() && hit.getLayer() == lastHit.getLayer()) {
182 double[] p1 = lastHit.getPoint();
183 double[] p2 = hit.getPoint();
184 if ((p1[0]-p2[0])*(p1[0]-p2[0]) + (p1[1]-p2[1])*(p1[1]-p2[1]) + (p1[2]-p2[2])*(p1[2]-p2[2]) < _distCut2) {
185 found = true;
186 group.addLast(hit);
187 break;
188 }
189 }
190 }
191 if (! found) {
192 LinkedList<SimTrackerHit> newGroup = new LinkedList<SimTrackerHit>();
193 newGroup.add(hit);
194 groupList.addFirst(newGroup);
195 }
196 }
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200 for (LinkedList<SimTrackerHit> group : groupList) {
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202 List<DigiTrackerHit> digiGroup = _converter.convert(group);
203 if (mcTruth != null) mcTruth.addSimGroup(group, digiGroup);
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205 Sensor prevSensor = null;
206 ArrayList<DigiTrackerHit> digiList = null;
207 for (DigiTrackerHit digi : digiGroup) {
208 Sensor sensor = digi.getSensor();
209 if (sensor != prevSensor) {
210 prevSensor = sensor;
211 digiList = outMap.get(sensor);
212 }
213 if (digiList == null) {
214 digiList = new ArrayList<DigiTrackerHit>();
215 outMap.put(sensor, digiList);
216 }
217 digiList.add(digi);
218 }
219 }
220
221 }
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225 for (ArrayList<DigiTrackerHit> dList : outMap.values()) {
226 Collections.sort(dList);
227 DigiTrackerHit[] copy = dList.toArray(new DigiTrackerHit[dList.size()+1]);
228 dList.clear();
229 int previousChannel = -1;
230 DigiTrackerHit previousHit = null;
231 DigiTrackerHitComposite compHit = null;
232 for (DigiTrackerHit hit : copy) {
233 if (hit == null) {
234 if (compHit == null) {
235 if (previousHit != null) dList.add(previousHit);
236 } else {
237 compHit.trimToSize();
238 dList.add(compHit);
239 }
240 break;
241 }
242 int channelID = hit.getChannel();
243 if (channelID == previousChannel) {
244 if (compHit == null) {
245 compHit = new DigiTrackerHitComposite();
246 compHit.addHit(previousHit);
247 }
248 compHit.addHit(hit);
249 } else {
250 if (compHit == null) {
251 if (previousHit != null) dList.add(previousHit);
252 } else {
253 compHit.trimToSize();
254 dList.add(compHit);
255 compHit = null;
256 }
257 }
258 previousHit = hit;
259 previousChannel = channelID;
260 }
261 dList.trimToSize();
262 }
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266 event.put(_outMapName, outMap);
267
268 }
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272 protected SimToDigiConverter _converter;
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274 protected ArrayList<String> _inListNames;
275 protected String _outMapName;
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277 protected double _distCut2;
278 }