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how to deal with blanking or overset #1433

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mlohry opened this issue Dec 18, 2024 · 3 comments
Open

how to deal with blanking or overset #1433

mlohry opened this issue Dec 18, 2024 · 3 comments
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@mlohry
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mlohry commented Dec 18, 2024

I have an overset mesh topology where each vertex has a "blanking" value of 0 or 1 to indicate visibility. Is there anything to accommodate this to not show the blanked portions, or should I manually remove them from the mesh?

@cyrush
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cyrush commented Dec 19, 2024

@mlohry

You may be able to use our ghost logic to automatically threshold these away.

It's not vertex associated, but element associated.

If you have an ascent_ghosts field,
0: normal element ( real element, keep)
1: ghost element (threshold away before rendering)
2: ignore element (threshold away at the start of the pipeline)

@mlohry
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mlohry commented Dec 20, 2024

@cyrush thanks, that should work, will give it a try.

@cyrush cyrush added the question label Mar 4, 2025
@cyrush
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cyrush commented Mar 4, 2025

@mlohry did providing ascent_ghosts help you with your use cases?

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