1 /*
2 * To change this template, choose Tools | Templates
3 * and open the template in the editor.
4 */
5
6 package org.lcsim.recon.tracking.seedtracker.strategybuilder;
7
8 import org.lcsim.event.EventHeader;
9 import org.lcsim.event.MCParticle;
10
11 /**
12 * A particle filter is applied to MCParticles in the training step. LayerSets
13 * are not generated by MCParticles which do not pass the filters. Note that
14 * a minimum number of layers hit is necessary in addition to passing the filter.
15 *
16 * The default behavior for StrategyBuilder is to use a StrategyBasedFilter, which
17 * gets cutoffs for DCA, z0 and pt based on prototype strategy.
18 *
19 *
20 * @author cozzy
21 */
22 public interface IParticleFilter {
23
24 /**
25 * Returns true if the MCParticle passes the filter, false otherwise. Called
26 * for every MCParticle by StrategyBuilder.
27 *
28 * @param p The test MCParticle
29 * @return
30 */
31 public boolean passes(MCParticle p);
32
33 /**
34 * This method is called for each event by StrategyBuilder.
35 * @param event
36 */
37 public void setEvent(EventHeader event);
38 }