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@Coastline2018 , as far as I can tell, "smpw" (sample weight) is very similar to labelweight, generated [here](https://github.com/charlesq34/pointnet2/blob/7961e26e31d0ba5a72020635cee03aac5d0e754a/scannet/scannet_dataset.py#L8). The lines below the link also tell you how to generate it....

@MikhailMashukov , do you have the same problem if you set the build type to Debug?

For adding more images to an existing reconstruction, this function: https://github.com/mapillary/OpenSfM/blob/1106198c79a0417fe59df68293c59ba7688533c0/opensfm/reconstruction.py#L1386, and this file: https://github.com/mapillary/OpenSfM/blob/main/opensfm/actions/extend_reconstruction.py may be of interest to you.