[pdal] Trouble reading some 3DEP tiles in PDAL

[Andrew Bell]

lasinfo reports more information on these, but PDAL is correctly
telling you what is wrong.

On Thu, Sep 12, 2024 at 11:11 AM Andrew Bell <andrew.bell.ia at gmail.com> wrote:
>
> I believe that PDAL is correctly reporting these files as invalid.
>
> On Wed, Sep 11, 2024 at 3:00 PM Jim Klassen via pdal
> <pdal at lists.osgeo.org> wrote:
> >
> > I'm getting errors reading some 3DEP tiles with "pdal info".  There are several of each type, but this is trimmed to one example of each.  My main question is if these are invalid LAZ files and/or is there an issue with the PDAL LAZ reader.   Tried with pdal 2.7.1 and 2.8.0.
> >
> > USGS_LPC_MN_BeckerCounty_2021_D21_264_5209.laz :  PDAL: readers.las: Extra byte specification exceeds point length beyond base format length.
> > USGS_LPC_MN_BeckerCounty_2021_D21_265_5209.laz :  PDAL: readers.las: Invalid file signature. Was expecting 'LASF', Check the first four bytes of the file.   (this one looks corrupt)
> > USGS_LPC_MN_SE_Driftless_2021_B21_4195_49005.laz :  PDAL: readers.las: Invalid version 1468 found in LAZ chunk table.
> > USGS_LPC_MN_SE_Driftless_2021_B21_4480_49125.laz :  PDAL: readers.las: Invalid version 1464 found in LAZ chunk table.
> >
> > Source Files:
> > https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/MN_BeckerCounty_2021_D21/MN_BeckerCo_1_2021/LAZ/USGS_LPC_MN_BeckerCounty_2021_D21_264_5209.laz
> >
> > https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/MN_BeckerCounty_2021_D21/MN_BeckerCo_1_2021/LAZ/USGS_LPC_MN_BeckerCounty_2021_D21_265_5209.laz
> >
> > https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/MN_SE_Driftless_2021_B21/MN_SEDriftless_5_2021/LAZ/USGS_LPC_MN_SE_Driftless_2021_B21_4195_49005.laz
> >
> > https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/MN_SE_Driftless_2021_B21/MN_SEDriftless_5_2021/LAZ/USGS_LPC_MN_SE_Driftless_2021_B21_4480_49125.laz
> > _______________________________________________
> > pdal mailing list
> > pdal at lists.osgeo.org
> > https://lists.osgeo.org/mailman/listinfo/pdal
>
>
>
> --
> Andrew Bell
> andrew.bell.ia at gmail.com



-- 
Andrew Bell
andrew.bell.ia at gmail.com