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UsdPrimCompositionQueryを使ってみる

ipynbFile compQuery__UsdPrimCompositionQueryを使ってみる.ipynb

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from pxr import Usd

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stage = Usd.Stage.Open(r"D:\Kitchen_set\Kitchen_set.usd")

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prim = stage.GetPrimAtPath("/Kitchen_set/Props_grp/North_grp/SinkArea_grp/Sink_grp/BowlF_3")

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# PCPを使うより、かんたんにコンポジションを取得できる
query = Usd.PrimCompositionQuery(prim)

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# フィルタをかけてコンポジションを取得@リファレンスの場合
filter = Usd.PrimCompositionQuery.Filter()
filter.arcTypeFilter = Usd.PrimCompositionQuery.ArcTypeFilter.Variant # Variant / Payload でも可 デフォルトはAllになっている
query = Usd.PrimCompositionQuery(prim,filter)

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# Filterを取得したい場合
print(query.filter)

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<pxr.Usd.Filter object at 0x000002297BC323F0>

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# これでもOK
query = Usd.PrimCompositionQuery.GetDirectReferences(prim)

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# コンポジションを取得
# PrimConpositionQueryに指定したfilterに一致したコンポジションを取得できる
compArc = query.GetCompositionArcs()
print(compArc)
for comp in compArc:
    print(comp.HasSpecs())
    print(comp.GetArcType())
    print(comp.GetIntroducingPrimPath())
    print(comp.GetIntroducingListEditor())
    print(comp.GetIntroducingLayer())
    print(comp.IsIntroducedInRootLayerStack())
    print(comp.GetIntroducingListEditor()[0])
    print("---")

Success

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[<pxr.Usd.CompositionArc object at 0x000002297B9E37B0>, <pxr.Usd.CompositionArc object at 0x000002297BC092B0>]
True
Pcp.ArcTypeReference
/Kitchen_set/Props_grp/North_grp/SinkArea_grp/Sink_grp/BowlF_3
(<pxr.Sdf.ListEditorProxy_SdfReferenceTypePolicy object at 0x000002297BC32510>, Sdf.Reference('./assets/Bowl/Bowl.usd'))
Sdf.Find('d:/Kitchen_set/Kitchen_set.usd')
True
{ 'added': [SdfReference(./assets/Bowl/Bowl.usd, , SdfLayerOffset(0, 1), {})]'prepended': []'appended': [], 'deleted': [], 'ordered': [] }
---
True
Pcp.ArcTypeReference
/Bowl
(<pxr.Sdf.ListEditorProxy_SdfReferenceTypePolicy object at 0x000002297BC32810>, Sdf.Reference('./Bowl.geom.usd', Sdf.Path('/Bowl')))
Sdf.Find('d:/Kitchen_set/assets/Bowl/Bowl_payload.usd')
False
{ 'added': [SdfReference(./Bowl.geom.usd, /Bowl, SdfLayerOffset(0, 1), {})]'prepended': []'appended': [], 'deleted': [], 'ordered': [] }
---

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filter.hasSpecsFilter = Usd.PrimCompositionQuery.HasSpecsFilter.HasSpecs

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arc = compArc[0]

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# 
print(arc.GetIntroducingNode())

Success

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<pxr.Pcp.NodeRef object at 0x000002297C7040F0>

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print(arc.HasSpecs())

Success

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True

最終更新日: 2021-05-02 06:25:09