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| Deletions are marked like this. | Additions are marked like this. |
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| || step || Processor name || Data output type || Default collection name || Conditions objects needed || || 1. Data conversion || ''!TrackerRawDataToDataConverterProcessor'' || '''!TrackerData''' || '''''TPCConvertedData''''' || || Pedestal Calculation || ''!PedestalCalculator'' || '''LCGenericObject''' || '''''TPCPedestal''''' || || 2. Pedestal Subtraction || ''!PedestalSubtractorProcessor'' || '''!TrackerData''' || '''''TPCData''''' || || 3. Pulse finding || ''!PulseFinderProcessor'' || '''!TrackerPulse''' || '''''TPCPulses''''' || || 4. Channel mapping || ''!ChannelMapperProcessor'' || '''!TrackerPulse''' || '''''TPCPulsesMapped''''' || || 5. Hit finding || ''?'' || '''???''' || '''''???''''' || |
|| step || Processor name || Data output type || Default collection name || Conditions objects || || 1. Data conversion || ''!TrackerRawDataToDataConverterProcessor'' || '''!TrackerData''' || '''''TPCConvertedData''''' || Electronics || || 2. Pedestal Subtraction || ''!PedestalSubtractorProcessor'' || '''!TrackerData''' || '''''TPCData''''' || Pedestal || || 3. Pulse finding || ''!PulseFinderProcessor'' || '''!TrackerPulse''' || '''''TPCPulses''''' || ConversionFactor(?)|| || 4. Channel mapping || ''!ChannelMapperProcessor'' || '''!TrackerPulse''' || '''''TPCPulsesMapped''''' || Channel Mapping || || 5. Hit finding || ''?'' || '''???''' || '''''???''''' || |
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| The objects are commonly '''LCGenericObjects''', defined in /tpcconddata Predefined: || Description || Data type || Default name || || Electronics || '''LCGenericObject''' || ? || || Channel Mapping || '''LCGenericObject''' || '''''TPCADCChannelMapping''''' || || step || Processor name || Data output type || Default collection name || || Pedestal Calculation || ''!PedestalCalculator'' || '''LCGenericObject''' || '''''TPCPedestal''''' || || adc2primary_electrons || ??? || ??? || '''''ConversionFactor''''' || |
The objective
The plan is: create a MarlinTPC processor chain that completely reflects the MultiFit reconstruction chain.
Use data taken with the MediTPC.
The processor chain
The first thing you need is the raw data from your detector. This LCIO file might have a single collection inside of the type Tracker'Raw'Data with the default name 'TPCRawData'.
In a table like fashion:
step |
Processor name |
Data output type |
Default collection name |
Conditions objects |
1. Data conversion |
TrackerRawDataToDataConverterProcessor |
TrackerData |
TPCConvertedData |
Electronics |
2. Pedestal Subtraction |
PedestalSubtractorProcessor |
TrackerData |
TPCData |
Pedestal |
3. Pulse finding |
PulseFinderProcessor |
TrackerPulse |
TPCPulses |
|
4. Channel mapping |
ChannelMapperProcessor |
TrackerPulse |
TPCPulsesMapped |
Channel Mapping |
5. Hit finding |
? |
??? |
??? |
Conditions processing
For the chain to work several conditions objects are needed, although for now they may be implemented as processor parameters. The objects are commonly LCGenericObjects, defined in /tpcconddata Predefined:
Description |
Data type |
Default name |
Electronics |
LCGenericObject |
? |
Channel Mapping |
LCGenericObject |
TPCADCChannelMapping |
step |
Processor name |
Data output type |
Default collection name |
Pedestal Calculation |
PedestalCalculator |
LCGenericObject |
TPCPedestal |
adc2primary_electrons |
??? |
??? |