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Recover buildMatBudLUT mods for upgrades #14773

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Merged
shahor02 merged 1 commit into from
Oct 27, 2025
Merged

Recover buildMatBudLUT mods for upgrades #14773

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19 changes: 10 additions & 9 deletions Detectors/Base/test/buildMatBudLUT.C
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,6 @@
#include "DetectorsBase/MatLayerCyl.h"
#include "DetectorsBase/GeometryManager.h"
#include "ITSMFTReconstruction/ChipMappingITS.h"
#include "ITS3Simulation/DescriptorInnerBarrelITS3.h"
#include "ITS3Base/SpecsV2.h"
#include "CommonUtils/NameConf.h"
#include <TFile.h>
#include <TSystem.h>
Expand All @@ -31,7 +29,7 @@ o2::base::MatLayerCylSet mbLUT;

bool testMBLUT(const std::string& lutFile = "matbud.root");

bool buildMatBudLUT(int nTst = 60, int maxLr = -1, const std::string& outFile = "matbud.root", const std::string& geomName = "o2sim_geometry-aligned.root");
bool buildMatBudLUT(int nTst = 30, int maxLr = -1, const std::string& outFile = "matbud.root", const std::string& geomNamePrefix = "o2sim", const std::string& opts = "");

struct LrData {
float rMin = 0.f;
Expand All @@ -46,14 +44,17 @@ struct LrData {
std::vector<LrData> lrData;
void configLayers();

bool buildMatBudLUT(int nTst, int maxLr, const std::string& outFile, const std::string& geomNameInput)
bool buildMatBudLUT(int nTst, int maxLr, const std::string& outFile, const std::string& geomNamePrefix, const std::string& opts)
{
auto geomName = o2::base::NameConf::getGeomFileName(geomNameInput);
auto geomName = o2::base::NameConf::getGeomFileName(geomNamePrefix);
if (gSystem->AccessPathName(geomName.c_str())) { // if needed, create geometry
std::cout << geomName << " does not exist. Will create it\n";
gSystem->Exec("$O2_ROOT/bin/o2-sim -n 0 --detectorList ALICE2.1");
std::cout << geomName << " does not exist. Will create it on the fly\n";
std::stringstream str;
// constructing an **unaligned** geom (Geant3 used since faster initialization) --> can be avoided by passing an existing geometry
str << "${O2_ROOT}/bin/o2-sim-serial -n 0 -e TGeant3 --configKeyValues \"" << opts << "\" --field 0 -o " << geomNamePrefix;
gSystem->Exec(str.str().c_str());
}
o2::base::GeometryManager::loadGeometry(geomNameInput);
o2::base::GeometryManager::loadGeometry(geomNamePrefix);
configLayers();

if (maxLr < 1) {
Expand All @@ -63,7 +64,7 @@ bool buildMatBudLUT(int nTst, int maxLr, const std::string& outFile, const std::
}
for (int i = 0; i < maxLr; i++) {
auto& l = lrData[i];
printf("L:%3d %6.4f<R<%6.4f ZH=%5.4f | dz = %6.4f drph = %6.4f\n", i, l.rMin, l.rMax, l.zHalf, l.dZMin, l.dRPhiMin);
printf("L:%3d %6.2f<R<%6.2f ZH=%5.1f | dz = %6.2f drph = %6.2f\n", i, l.rMin, l.rMax, l.zHalf, l.dZMin, l.dRPhiMin);
mbLUT.addLayer(l.rMin, l.rMax, l.zHalf, l.dZMin, l.dRPhiMin);
}

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