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Performance drop with points cloud and apearance issues starting from version 1.97. #11196

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ilyaly opened this issue Mar 29, 2023 · 5 comments

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@ilyaly
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ilyaly commented Mar 29, 2023

Description:

Point Cloud tilesets that were rendered without any problems in Cesium 1.96 and prior versions are rendered inappropriately and with a significant performance drops in Cesium starting from version 1.97.

Examples:

  1. Appearance in 1.95 - everything is normal:

image|671x500

Appearance in 1.97 and up to 1.103 - points are to dark and there are some weird artifacts on tiles edges. Performance drops in 10-15 seconds of viewing:

image|688x500

Appearance in 1.103 - points are bright as they should be but there are still some weird artifacts on tiles edges. Performance drops in 10-15 seconds of viewing:

image|690x408

Sandcastle example

Details:

Browser: Chrome Version 111.0.5563.146 (Official Build) (64-bit)

Operating System: Microsoft Windows 11 Pro Version10.0.22000 Build 22000

Tileset: generated with Agisoft Metashape.

Comments

Probably related to #11166.

@ilyaly
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ilyaly commented Jul 24, 2023

In case it may be helpful - tileset is generated with Draco compression.

@ilyaly
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ilyaly commented Jul 25, 2023

Seems like Draco compression is not the source of the issues.

Here is a Sandcastle with the point cloud exported from Metashape with compression on,

and here is a Sandcastle with the point cloud exported from Metashape with compression off.

@ilyaly
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ilyaly commented Jul 25, 2023

Looks related or even duplicating #11270

@ilyaly
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ilyaly commented Jul 25, 2023

Attaching profile.
Trace-point-cloud-no-styling.json.zip

@ilyaly
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ilyaly commented Sep 4, 2023

I don't see any performance problems in version 1.109, looks like it has been fixed somehow.

@ilyaly ilyaly closed this as completed Sep 4, 2023
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