ROOT   6.14/05 Reference Guide
parallelcoord.C File Reference

## Detailed Description

Script illustrating the use of the TParalleCoord class

#include "TFile.h"
#include "TCanvas.h"
#include "TStyle.h"
#include "TRandom.h"
#include "TNtuple.h"
#include "TParallelCoord.h"
Double_t r1,r2,r3,r4,r5,r6,r7,r8,r9;
Double_t dr = 3.5;
void generate_random(Int_t i) {
r1 = (2*dr*r->Rndm(i))-dr;
r2 = (2*dr*r->Rndm(i))-dr;
r7 = (2*dr*r->Rndm(i))-dr;
r9 = (2*dr*r->Rndm(i))-dr;
r4 = (2*dr*r->Rndm(i))-dr;
r3 = (2*dr*r->Rndm(i))-dr;
r5 = (2*dr*r->Rndm(i))-dr;
r6 = (2*dr*r->Rndm(i))-dr;
r8 = (2*dr*r->Rndm(i))-dr;
}
void parallelcoord() {
TNtuple *nt = NULL;
Double_t s1x, s1y, s1z;
Double_t s2x, s2y, s2z;
Double_t s3x, s3y, s3z;
r = new TRandom();;
new TCanvas("c1", "c1",0,0,800,700);
nt = new TNtuple("nt","Demo ntuple","x:y:z:u:v:w");
for (Int_t i=0; i<20000; i++) {
r->Sphere(s1x, s1y, s1z, 0.1);
r->Sphere(s2x, s2y, s2z, 0.2);
r->Sphere(s3x, s3y, s3z, 0.05);
generate_random(i);
nt->Fill(r1, r2, r3, r4, r5, r6);
generate_random(i);
nt->Fill(s1x, s1y, s1z, s2x, s2y, s2z);
generate_random(i);
nt->Fill(r1, r2, r3, r4, r5, r6);
generate_random(i);
nt->Fill(s2x-1, s2y-1, s2z, s1x+.5, s1y+.5, s1z+.5);
generate_random(i);
nt->Fill(r1, r2, r3, r4, r5, r6);
generate_random(i);
nt->Fill(s1x+1, s1y+1, s1z+1, s3x-2, s3y-2, s3z-2);
generate_random(i);
nt->Fill(r1, r2, r3, r4, r5, r6);
}
nt->Draw("x:y:z:u:v:w","","para",5000);