Release Notes

1.0.0 (WIP)

New EDM4hep schema version 1 not backward compatible
- Relation between ReconstructedParticle to `ParticleID inverted
- Names and comments of attributes have been revised
- Link entities are now implemented using a parametric type Link{FROM,TO}
- Introduced GeneratorEventParameters for MC generators covMatrix::CovMatrix2f # covariance matrix of the charge and time measurements
- New types for covariant matrices (e.g. CovMatrix2f)
- Introduced type interfaces (e.g. TrackerHit) that types can inherit from (e.g. TrackerHit3D)
Introduced EDCollection{ED} to represent a collection of data of a given EDM4hep type. It is always implemented as a StructArray type to provide an effcient "SoA" access to the data. Added, as well, a few functions to provide an iterable and indexing behavior to the collections, and to control their lifetime (e.g. getEDCollection, hasEDCollection, initEDCollection, emptyEDStore). It replaces EDStore type and their functions.
Added more tests, in particular reading files exercising all defined types and their relations.
Added two new tutorials as part of the generated documentation. One to exercise the EDM4hep model (EDM), and one for reading ROOT data file (I/O).
Adapted to use new events___CollectionTypeInfo in podio_metadata

Added function RootIO.create_getter(reader::Reader, bname::String; selection=nothing) to create a getter function for a specific branch. The optional argument allows to select leaves to be read.
The overall performance is highly improved (factor 3 with respect previous version)

First release. It provides the basic functionality to create in memory an event model and be able to read from a ROOT file (supporting both TTree and RNTuple formats).