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[ALICE3] Fix geo provider #14970

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Merged
njacazio merged 1 commit into from
Feb 14, 2026
+2 −20
Merged

[ALICE3] Fix geo provider #14970

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22 changes: 2 additions & 20 deletions ALICE3/TableProducer/OTF/onTheFlyDetectorGeometryProvider.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ struct OnTheFlyDetectorGeometryProvider {
ccdb->setURL("http://alice-ccdb.cern.ch");
ccdb->setTimestamp(-1);
o2::fastsim::GeometryContainer geometryContainer; // Checking that the geometry files can be accessed and loaded
geometryContainer.setCcdbManager(ccdb.operator->());
LOG(info) << "On-the-fly detector geometry provider running.";
if (detectorConfiguration.value.empty()) {
LOG(fatal) << "No detector configuration files provided.";
Expand All @@ -47,27 +48,8 @@ struct OnTheFlyDetectorGeometryProvider {
int idx = 0;
for (std::string& configFile : detectorConfiguration.value) {
LOG(info) << "Loading detector geometry from configuration file: " << configFile;
histos.add<TH1>(Form("GeometryConfigFile_%d", idx), configFile.c_str(), o2::framework::HistType::kTH1D, {{1, 0, 1}})->Fill(0.5);
// If the filename starts with ccdb: then take the file from the ccdb
if (configFile.rfind("ccdb:", 0) == 0) {
std::string ccdbPath = configFile.substr(5); // remove "ccdb:" prefix
const std::string outPath = "./.ALICE3/Configuration/";
configFile = Form("%s/%s/snapshot.root", outPath.c_str(), ccdbPath.c_str());
std::ifstream checkFile(configFile); // Check if file already exists
if (!checkFile.is_open()) { // File does not exist, retrieve from CCDB
LOG(info) << " --- CCDB source detected for detector geometry " << configFile;
std::map<std::string, std::string> metadata;
ccdb->getCCDBAccessor().retrieveBlob(ccdbPath, outPath, metadata, 1);
LOG(info) << " --- Now retrieving geometry configuration from CCDB to: " << configFile;
} else { // File exists, proceed to load
LOG(info) << " --- Geometry configuration file already exists: " << configFile << ". Skipping download.";
checkFile.close();
}
detectorConfiguration.value[idx] = configFile; // Update the filename to the local file
}
LOG(info) << "Adding " << configFile << " to geometry container";
histos.add<TH1>(Form("GeometryConfigFile_%d", idx++), configFile.c_str(), o2::framework::HistType::kTH1D, {{1, 0, 1}})->Fill(0.5);
geometryContainer.addEntry(configFile);
idx++;
}

// First we check that the magnetic field is consistent
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