swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: 8fbce697c224a5587c141f0e6e244db7942ba153 authored by Fons Rademakers on 06 March 2012, 10:02:48 UTC
tag development release v5-33-02.
tag development release v5-33-02.
Tip revision: 8fbce69
lineset.C
// @(#)root/eve:$Id$
// Author: Matevz Tadel
// Demonstrates usage of class TEveStraightLineSet.
TEveStraightLineSet* lineset(Int_t nlines = 40, Int_t nmarkers = 4)
{
TEveManager::Create();
TRandom r(0);
Float_t s = 100;
TEveStraightLineSet* ls = new TEveStraightLineSet();
for(Int_t i = 0; i<nlines; i++)
{
ls->AddLine( r.Uniform(-s,s), r.Uniform(-s,s), r.Uniform(-s,s),
r.Uniform(-s,s), r.Uniform(-s,s), r.Uniform(-s,s));
// add random number of markers
Int_t nm = Int_t(nmarkers* r.Rndm());
for(Int_t m = 0; m < nm; m++) {
ls->AddMarker(i, r.Rndm());
}
}
ls->SetMarkerSize(1.5);
ls->SetMarkerStyle(4);
gEve->AddElement(ls);
gEve->Redraw3D();
return ls;
}
TEveStraightLineSet* lineset_2d(Int_t nlines = 40, Int_t nmarkers = 4)
{
TEveManager::Create();
TRandom r(0);
Float_t s = 100;
TEveStraightLineSet* ls = new TEveStraightLineSet();
for(Int_t i = 0; i<nlines; i++)
{
ls->AddLine( r.Uniform(-s,s), r.Uniform(-s,s), 0,
r.Uniform(-s,s), r.Uniform(-s,s), 0);
// add random number of markers
Int_t nm = Int_t(nmarkers* r.Rndm());
for(Int_t m = 0; m < nm; m++) {
ls->AddMarker(i, r.Rndm());
}
}
ls->SetMarkerSize(1.5);
ls->SetMarkerStyle(4);
gEve->AddElement(ls);
gEve->Redraw3D();
return ls;
}