Example Photon raytracing openPMD data

This is an example datafile in hdf (h5) format, complying to the openPMD domain extension for photon raytracing simulations, as defined in: https://github.com/PaNOSC-ViNYL/openPMD-standard/blob/latest/EXT_PRAYTRACE.md . The dataset was created with the provided script generate_data.py and presents an example output file. This dataset is part of the Deliverable D5.1 in Workpackage 5 (Virtual Neutron and X-ray Laboratory) of the Photon and Neutron Open Science Cloud (PaNOSC). This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No. 823852.