fallback for channel address and pmt id using previous counter implementation...

fallback for channel address and pmt id using previous counter implementation if rich geo version < v22

core/detectors/rich/CbmRichGeoHandler.cxx

@@ -72,6 +72,7 @@ void CbmRichGeoHandler::Init()
 
     TString nodePath{};
     geoIterator.GetPath(nodePath);
+    fFallback = !(nodePath.Contains("rich_v22") || nodePath.Contains("rich_v23") || nodePath.Contains("rich_v24"));
     const std::string path = std::string(nodePath.Data());
     auto pmtInd            = path.find_last_of('/');
     if (std::string::npos == pmtInd) continue;
@@ -80,6 +81,10 @@ void CbmRichGeoHandler::Init()
     // Derive pixel address and pmt Id from node path
     switch (GetDetectorSetup(nodePath)) {
       case 0:  // RICH detector
+        if (fFallback) {
+          currentPixelAddress++;
+          break;
+        }
         if (CreateAddressRich(path, currentPixelAddress, currentPmtId)) {
           LOG(error) << "CbmRichGeoHandler::Init: CbmRichGeoHandler::CreateAddressRich failed!";
         }
@@ -105,8 +110,8 @@ void CbmRichGeoHandler::Init()
     fPixelAddresses.push_back(currentPixelAddress);
 
     if (fPmtPathToId.count(pmtPath) == 0) {
+      if (fFallback) currentPmtId++;
       fPmtPathToId.insert(std::pair<std::string, Int_t>(pmtPath, currentPmtId));
-
       auto pmtData = std::make_unique<CbmRichPmtData>();
       pmtData->fId = currentPmtId;
       pmtData->fPixelAddresses.push_back(pixelData->fAddress);

core/detectors/rich/CbmRichGeoHandler.h

@@ -105,6 +105,8 @@ class CbmRichGeoHandler {
   }
 
  private:
+  bool fFallback{false};  // Fallback mode for deriving CBM RICH
+
   std::map<std::string, Int_t> fPixelPathToAddress{};
   std::map<Int_t, std::unique_ptr<CbmRichPixelData>> fPixelAddressToData{};
   std::vector<Int_t> fPixelAddresses{};