Generated mesh has a gigantic hole even though point cloud looks great

[Lars Richter]

Hey all,

the title pretty much says it and the screenshots show point cloud vs. generated mesh. No camera angle of the 79 RAW photos was thrown out.  It looks like to me as if meshroom actively decides to cut out a big hole rather than the data not being good enough to avoid such an issue. For context: I flew a drone taking only top down shots of a valley. The mesh around the hole looks pretty accurate, so I'm quite confused. How could I go about fixing this?

Thank you for your help,

Lars

[Lars Richter]

I just tried the same dataset of 79 RAW photos in the trial version of 3DF Zephyr Lite and it worked flawlessly. The generated mesh looks great.

[Fabien Castan]

Could you send me your dataset? I would like to check that. I think this bug is fixed in the devepment version and it will be included in the next release.

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De : alice...@googlegroups.com <alice...@googlegroups.com> de la part de Lars Richter <larsm....@gmail.com>
Envoyé : vendredi 8 septembre 2023 15:11
À : AliceVision <alice...@googlegroups.com>
Objet : Re: Generated mesh has a gigantic hole even though point cloud looks great

 

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[Lars Richter]

I guess I just accidentally send it to you directly rather than posting in this googlegroups.

So for anyone else interested:

1. https://we.tl/t-P8Tn8BhPIT

2. https://we.tl/t-3Nz5QBqEmu

It's a split .rar file - download links active for a week.