swh:1:snp:af87cd67498ef4fe47c76ed3e7caffe5b61facaf
Tip revision: 560de48fe39ac3d2ee659ebf5e1f43417b832d9c authored by dpiparo on 27 November 2023, 22:36:32 UTC
"Update ROOT version files to v6.26/12."
"Update ROOT version files to v6.26/12."
Tip revision: 560de48
calo_detail.C
/// \file
/// \ingroup tutorial_eve
/// Calorimeter detailed view by using TEveCaloDataVec as data-source.
/// Demonstrates how to plot calorimeter data with irregular bins.
///
/// \image html eve_calo_detail.png
/// \macro_code
///
/// \author Alja Mrak-Tadel
#include "calorimeters.C"
TEveCaloDataVec* MakeVecData(Int_t ncells=0);
void calo_detail()
{
TEveManager::Create();
// data
auto data = MakeVecData(20);
data->IncDenyDestroy(); // don't delete if zero parent
// frames
auto slot = TEveWindow::CreateWindowInTab(gEve->GetBrowser()->GetTabRight());
auto packH = slot->MakePack();
packH->SetElementName("Projections");
packH->SetHorizontal();
packH->SetShowTitleBar(kFALSE);
slot = packH->NewSlot();
auto pack0 = slot->MakePack();
pack0->SetShowTitleBar(kFALSE);
auto slotLeftTop = pack0->NewSlot();
auto slotLeftBottom = pack0->NewSlot();
slot = packH->NewSlot();
auto pack1 = slot->MakePack();
pack1->SetShowTitleBar(kFALSE);
auto slotRightTop = pack1->NewSlot();
auto slotRightBottom = pack1->NewSlot();
// viewers ans scenes in second tab
Float_t maxH = 300;
TEveCalo3D* calo3d = MakeCalo3D(data, slotRightTop);
calo3d->SetMaxTowerH(maxH);
TEveCalo2D* calo2d;
calo2d = MakeCalo2D(calo3d, slotLeftTop, TEveProjection::kPT_RPhi);
calo2d->SetMaxTowerH(maxH);
calo2d = MakeCalo2D(calo3d, slotLeftBottom, TEveProjection::kPT_RhoZ);
calo2d->SetMaxTowerH(maxH);
TEveCaloLego* lego = MakeCaloLego(data, slotRightBottom);
lego->SetAutoRebin(kFALSE);
lego->Set2DMode(TEveCaloLego::kValSizeOutline);
gEve->AddElement(lego);
gEve->GetDefaultGLViewer()->SetCurrentCamera(TGLViewer::kCameraPerspXOY);
gEve->GetBrowser()->GetTabRight()->SetTab(1);
gEve->FullRedraw3D(kTRUE);
}
//______________________________________________________________________________
TEveCaloDataVec* MakeVecData(Int_t ncells)
{
// Example how to fill data when bins can be irregular.
// If ncells = 0 (default) whole histogram is taken,
// otherwise just ncells cells around the maximum.
TFile::SetCacheFileDir(".");
auto hf = TFile::Open(histFile, "CACHEREAD");
TH2F* h1 = (TH2F*)hf->Get("ecalLego");
TH2F* h2 = (TH2F*)hf->Get("hcalLego");
auto data = new TEveCaloDataVec(2);
data->RefSliceInfo(0).Setup("ECAL", 0.3, kRed);
data->RefSliceInfo(1).Setup("HCAL", 0.1, kBlue);
auto ax = h1->GetXaxis();
auto ay = h1->GetYaxis();
Int_t xm = 1, xM = ax->GetNbins();
Int_t ym = 1, yM = ay->GetNbins();
if (ncells != 0)
{
Int_t cx, cy, cz;
h1->GetMaximumBin(cx, cy, cz);
xm = TMath::Max(xm, cx-ncells);
xM = TMath::Min(xM, cx+ncells);
ym = TMath::Max(ym, cy-ncells);
yM = TMath::Min(yM, cy+ncells);
}
// Take every second cell and set a random size.
for (Int_t i=xm; i<=xM; i+=2) {
for (Int_t j=ym; j<=yM; j+=2) {
if ( (i+j) % 3) {
data->AddTower(ax->GetBinLowEdge(i), ax->GetBinUpEdge(i),
ay->GetBinLowEdge(j), ay->GetBinUpEdge(j));
data->FillSlice(0, h1->GetBinContent(i, j));
data->FillSlice(1, h2->GetBinContent(i, j));
} else {
data->AddTower(ax->GetBinLowEdge(i),
2 * ax->GetBinWidth(i) + ax->GetBinLowEdge(i),
ay->GetBinLowEdge(j),
2 * ay->GetBinWidth(j) + ay->GetBinLowEdge(j));
data->FillSlice(0, h2->GetBinContent(i, j));
data->FillSlice(1, h2->GetBinContent(i, j));
}
}
}
data->SetEtaBins(ax);
data->SetPhiBins(ay);
data->DataChanged();
return data;
}