WIP: Non-spatial meshes

openPMD / openPMD-api

:floppy_disk: C++ & Python API for Scientific I/O

https://openpmd-api.readthedocs.io

GNU Lesser General Public License v3.0

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WIP: Non-spatial meshes #1534

Open franzpoeschel opened 12 months ago

franzpoeschel commented 12 months ago

Implements https://github.com/openPMD/openPMD-standard/pull/193

TODO:

[x] Forward/backward compatibility? (of API + of created datasets): No compatibility
[ ] Python docu
[ ] Maybe put a feature flag somewhere so that code can check for this via #if openPMD_HAVE_NONSPATIAL_MESHES or so
[x] Set openPMD version in written datasets as "2.0"
[ ] Merge #1551 first

Diff: https://github.com/franzpoeschel/openPMD-api/compare/prepare-openPMD-2.0..non-spatial-meshes

franzpoeschel commented 11 months ago

This PR should be split into two parts at some point:

Introduction of openPMD 2.0, together with some helper functions
Introduction of non-spatial meshes

The first part might then also be relevant for other PRs where breaking changes are introduced (e.g. #1493 use of abbreviated attributes by default in JSON backend)

EDIT: Done #1551