Zhicheng Ye

EMSUSD-1091 Save and restore non local edit target layer and anonymous layer

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This PR aims to fix [issue-3637](https://github.com/Autodesk/maya-usd/issues/3637), the changes include three different but still highly related problems all together, I have split them to cover their own problems and added unit...

[EMSUSD-1091] Non local edit target layer cannot be saved and restored

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**Describe the bug** Hi, When saving Maya scene with the edit target layer being set to a non local layer, the edit target layer info is lost and cannot be...

Provide the ability to export UV sets in "vertex" interpolation

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**Is your feature request related to a problem? Please describe.** Hi, In our pipeline when exporting mesh UV sets via AL_USDMaya, there is an ["compaction level"](https://github.com/Autodesk/maya-usd/blob/v0.27.0/plugin/al/translators/CommonTranslatorOptions.h#L39) option to ["guess" &...

NurbsCurve cannot be exported properly along with UsdSkel

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**Describe the bug** Hi, When we are doing UsdSkel testing and found that if the NurbsCurve is attached to the joint in Maya, the exported USD file seems broken. I...

Maya crashes when toggling single view and four view with texture mode on

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**Describe the bug** Hi, Our artists reported they turned on texture mode on perspective view and when toggling single view and four view would cause Maya to crash. This one...

Issues and expectations on import/export

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**Describe the bug** Hi, We recently have tested the USD import/export and found some issues: --- 1. **Import** Does not import custom attributes (non-primvars) - Example: - See the example...

Unexpected render item behavior for 'casts shadows'

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**Describe the bug** Hi, We received a feature request from production to see if we can toggle "casts shadows" for USD geometries in the same way as native Maya geometries,...

Incorrect drawing if prim is partially transparent / semi transparent

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**Describe the bug** A clear and concise description of what the bug is. Hi, We found a drawing issue in **VP2 render delegate mode** if the prim has some of...