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Visual artifacts with opacity + AMR #20151

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JustinPrivitera opened this issue Dec 18, 2024 · 2 comments
Open

Visual artifacts with opacity + AMR #20151

JustinPrivitera opened this issue Dec 18, 2024 · 2 comments
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bug Something isn't working impact medium Productivity partially degraded (not easily mitigated bug) or improved (enhancement) likelihood medium Neither low nor high likelihood reviewed Issue has been reviewed and labeled by a developer
Milestone
3.5.1

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@JustinPrivitera
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visit 3.4.2 - user says this has been an issue for many years though

https://teams.microsoft.com/l/message/19:[email protected]/1734548646924?tenantId=a722dec9-ae4e-4ae3-9d75-fd66e2680a63&groupId=70162982-9587-4bcc-ad53-20178c76fe11&parentMessageId=1734548646924&teamName=VisIt&channelName=General&createdTime=1734548646924

User says:

I'm running some 3D ares simulations with AMR. Whenever I make a plot with an opacity less than 1, I get weird visual artifacts around refined areas, as if refined patches are being rendered twice. Is there any way to fix this? See the attached image.

Screenshot 2024-12-18 at 11.01.57 AM.png
@JustinPrivitera JustinPrivitera added bug Something isn't working likelihood medium Neither low nor high likelihood impact medium Productivity partially degraded (not easily mitigated bug) or improved (enhancement) labels Dec 18, 2024
@JustinPrivitera
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reproducer is here on the RZ: /usr/workspace/visit/bug_data/visit_bug_20151.tar

@JustinPrivitera
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Probably a failure in removing boundaries for AMR. This is likely not a transparency problem but instead an external face removal issue.

@JustinPrivitera JustinPrivitera added the reviewed Issue has been reviewed and labeled by a developer label Feb 13, 2025
@JustinPrivitera JustinPrivitera added this to the 3.5.1 milestone Feb 13, 2025
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bug Something isn't working impact medium Productivity partially degraded (not easily mitigated bug) or improved (enhancement) likelihood medium Neither low nor high likelihood reviewed Issue has been reviewed and labeled by a developer
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@JustinPrivitera