Event-level construction and inspection of per-detector hit data. More...

Functions
int	main (int argc, char *argv[])

Detailed Description

This example emulates a simplified event loop where each event produces hit data for one or more sensitive detectors and stores them into a GEventDataCollection.

The GEventDataCollection owns per-hit objects (event-level semantics). For each hit, two complementary views may be produced and stored:

GTrueInfoData stores simulation-level ("truth") observables derived from tracking (energy deposition, step-averaged kinematics, positions, times, provenance labels, ...).
GDigitizedData stores electronics-level ("digitized") observables produced by detector response and digitization logic (ADC/TDC-like quantities, calibrated values, readout coordinates, ...).

For each event, data are organized as:

sdName -> GDataCollection
           - vector<unique_ptr<GTrueInfoData>>   (one per hit)
           - vector<unique_ptr<GDigitizedData>>  (one per hit)

What this example demonstrates

Creating event containers with the factory create().
Adding additional hits and additional detectors to the same event with:
- addDetectorTrueInfoData()
- addDetectorDigitizedData()
Inspecting stored data:
- per-detector hit counts
- identity strings (getIdentityString(), getIdentityString())
- truth and digitized observable maps
Demonstrating filtering of streaming-readout (SRO) keys for digitized data:
- getIntObservablesMap(int)
- getDblObservablesMap(int)

Threading model

The example uses a simple work-distribution pattern:

A shared atomic counter assigns event numbers.
Each worker thread builds independent GEventDataCollection objects.
Results are appended to a shared vector under a mutex.

Note: create() and the test factories create() and create() use internal thread-safe counters, so concurrent execution is supported for this example-style workload.

Usage

Build this example together with the GData library components and required GEMC utilities (logging, options, threads abstraction). Then run it to print a readable dump of each generated event container.

Function Documentation

◆ main()

int main	(	int	argc,
		char *	argv[] )