DataMelt example jaida_TupleWithComplexStructure.java

Create and fit a complex data point set using Jaida
Code: "jaida_TupleWithComplexStructure.java". Programming language: Java DMelt Version 1. Last modified: 12/08/2015. License: Pro
https://datamelt.org/code/cache/jaida_TupleWithComplexStructure_4099.java
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import hep.aida.*;
import java.util.Random;

public class jaida_TupleWithComplexStructure {
  
  public static void main(String[] argv) throws java.io.IOException {
    
    String columnString = "int event =0,  tracks =0; ITuple momentums  = { double px = .2, py = 3.,"+
      "px = 0., ITuple hits = {int x,y,z} }; float ipx, ipy, ipz";
    
    IAnalysisFactory analysisFactory = IAnalysisFactory.create();
    ITreeFactory treeFactory = analysisFactory.createTreeFactory();
    ITree tree = treeFactory.create("testTupleWithComplexStructure.aida","type=xml;compress=no");
    ITupleFactory tupleFactory = analysisFactory.createTupleFactory(tree);
    ITuple tuple = tupleFactory.create("tuple", "label",columnString,"");
    
    Random r = new Random();
    int events = 100;
    
    for ( int i=0; i






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