swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: 68754304c2b8d03febdf18125b1d0073489d6031 authored by Axel Naumann on 03 March 2021, 16:46:57 UTC
"Update ROOT version files to v6.25/01."
"Update ROOT version files to v6.25/01."
Tip revision: 6875430
lineset.C
/// \file
/// \ingroup tutorial_eve
/// Demonstrates usage of class TEveStraightLineSet.
///
/// \image html eve_lineset.png
/// \macro_code
///
/// \author Matevz Tadel
TEveStraightLineSet* lineset(Int_t nlines = 40, Int_t nmarkers = 4)
{
TEveManager::Create();
TRandom r(0);
Float_t s = 100;
auto 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;
auto 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;
}