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@franzpoeschel franzpoeschel commented Jan 14, 2026

Close #1439
This PR focuses on Iteration-level attributes (including attributes included below Iteration level)
Needed for introducing a synchronous mode

TODO:

  • Write side changes
  • Read side changes: Move attribute initializations to new ScientificDefaults logic as well, be more lenient about missing attributes
  • Maybe expose the finalize() method publically, so users can request openPMD to set defaults now
  • Reduce use of templates, size of ScientificDefaults.o
  • Check places from where readDefaults is called
  • particlePatches being weird, check them
  • clean up declarations and definitions

@franzpoeschel franzpoeschel added api: breaking breaking API changes internal labels Jan 14, 2026
Comment on lines +281 to +284
// for (size_t i = 0; i < udims.size(); ++i)
// {
// res[7 * i] = 1;
// }

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Comment on lines +698 to +701
// TODO: unitSI
// REQUIRE(r["x"].numAttributes() == 0);
// REQUIRE(r["y"].numAttributes() == 0);
// REQUIRE(r["z"].numAttributes() == 0);

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@franzpoeschel
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TODO: Move this check into finalize, maybe only print a warning

            throw std::runtime_error(
                "A Record can not be written without any contained "
                "RecordComponents: " +
                name);

@ax3l
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ax3l commented Jan 14, 2026

@franzpoeschel is this for 0.18.0? :)

@franzpoeschel
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@franzpoeschel is this for 0.18.0? :)

Yup, this is still under development

@ax3l ax3l added this to the 0.18.0 milestone Jan 14, 2026
TODO: do sth similar for reading
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Scientific default values

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