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[TODO] Support Composition Arcs #25

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16 of 22 tasks
syoyo opened this issue Sep 20, 2022 · 2 comments
Open
16 of 22 tasks

[TODO] Support Composition Arcs #25

syoyo opened this issue Sep 20, 2022 · 2 comments
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enhancement New feature or request

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@syoyo
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syoyo commented Sep 20, 2022 •
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Status

Basic composition features are implemented(except for specializes)

Need verification to check if composition is working well or not

Composition

  • subLayers
  • references
  • inherits
  • payloads(delayed load)
  • variants/variantSets
  • specializers(not so much used? priority is low)

Status

  • Preliminary support of parsing composition syntax in Ascii parser
  • Preliminary support of parsing composition info in Crate parser
  • Support variantSet stmt in Ascii parser.
  • Support SpecTypeVariant in Crate parser.
  • Load scene data as PrimSpec and Layer
  • Sematic reconstruction(composition) of Prims with Composition features
  • Do test if composition is working expected
    • Verify Composition Strength ordering

Crate(USDC) parser support

  • Parse Payload and PayloadListOp
  • Parse Referene and ReferenceListOp
  • Parse VariantSelectionMap (map<string, string>)
  • Variant SdfSpecType
  • SpecTypeAttribute under Variant?

Limitation

Layer offsetting is not yet supported.

subLayers

  • LayerOffset(subLayerOffset) is not yet supported(ASCII)

Reference

  • LayerOffset is not yet supported(ASCII)
  • customData is not yet supported(ASCII)

Payload

  • LayerOffset is not yet supported(ASCII)
@syoyo syoyo added the enhancement New feature or request label Sep 20, 2022
@syoyo syoyo mentioned this issue Sep 20, 2022
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@syoyo
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syoyo commented Jul 29, 2023 •
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Kitchen set

As of 187b505

  • Parse OK. Kitchen_set_instanced.usd also OK to parse.
  • Reference, Payload
  • variants, inherits, over, ...
  • Validate composition behavior is identical to pxrUSD

@syoyo
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syoyo commented Aug 8, 2023

UsdSkel example

https://openusd.org/release/dl_usdskel_examples.html

  • Parse OK(in tusdcat --flatten
  • Validate composition

@tellypresence tellypresence mentioned this issue Apr 2, 2024
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@syoyo