Performance pOlar Exchange forMat (POEM)

This document describes the POEM File Format Specifications. It is proposed by D-ICE ENGINEERING to the Wind-Propulsion community. It is intended to provide a common efficient solution to store and manipulate multidimensional polar data tables generated by Performance Prediction Programs or other means and read by Weather Routing solutions.

  • POEM Files ARE purely NetCDF-4 (https://www.unidata.ucar.edu/software/netcdf/) files and are I/O compatible with any library that deals with NetCDF-4 standards.

  • POEM File Format Specifications* introduce a set of rules to organise data into a *NetCDF-4* file to make a valid **POEM File, understood by the POEM Library.

  • POEM Library is a C++ library that defines data structures to be integrated into applicative software such as VPP/PPP software to generate performance polar tables, visualisation software, weather routing solutions, embedded systems etc. It also provides fast algorithms to interpolate on multidimensional polar tables.

  • POEM Executable is a command line utility to manipulate POEM files (clean, gerify version compliance etc…)

Warning

This document is preliminary, not publicly available (yet) and has been shared with you upon request. A version of this document is currently under active development along with extended POEM File Format Specifications. It will be made freely available to anyone in the frame of the ADEME-funded project OPERVENT, by late 2024.

Please DO NOT SHARE the present document unless you get written permission from D-ICE ENGINEERING.

For any questions, please contact François Rongère <francois.rongere@dice-engineering.com>

POEM File Format Specification versions

Note

Version 1 of the standard is under construction and should be released in February 2025

POEM is made Open Source with the support of the French Agency for Ecological Transition (OPERVENT project, 2024)

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