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Warning, /Geometry/EcalAlgo/test/python/README.txt is written in an unsupported language. File is not indexed.

0001 The validation of the ECAL Reco geometry in the old DDD way and new DD4hep way is done with two dumpers present in Geometry/EcalAlgo/test/python :
0002 1) runEcalCellDumpDDD_cfg.py for DDD
0003 2) runEcalCellDumpDD4hep_cfg.py for DD4hep
0004 
0005 These dump the position, backface, dimensions and the 8 corner-coordinates of each ECAL crystal in EB and EE.
0006 
0007 For this two analyzers are used ecalBarrelCellParameterDump.cc and ecalEndcapCellParameterDump.cc which are present in: Geometry/EcalAlgo/test 
0008 
0009 To dump these into a file execute: cmsRun PATH_TO_CONFIG/runEcalCellDumpDD4hep_cfg.py > ECAL_cellParams_DD4hep_Dump.txt and similarly for the DDD config.
0010 The dump will be found to be identical.