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Demzip - possible to support BigTiff?

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Andrew Ritchie

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Mar 7, 2025, 1:36:26 PMMar 7
to LAStools - efficient tools for LiDAR processing
It would be great to get BigTiff support in demzip. I've been increasingly using demzip to convert tiffs into laz format both to save space and to do some processing with lasgrid that's much faster than GDAL. I frequently run into problems even with smaller tiffs because they are created with -co BIGTIFF=YES or some equivalent. In my current case I have a 5TB dataset of thousands of DEM tiles that are only a few hundred MB each but are BIGTIFFS.

Jochen Rapidlasso

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Mar 7, 2025, 2:35:09 PMMar 7
to LAStools - efficient tools for LiDAR processing
Hi Andrew,
thanks for the note about BigTIFF support in demzip. We have add BigTIFF to the other raster output tools already, it makes sense to add this also to demzip. We will solve this issue soon.

Cheers,

Jochen @rapidlasso

Jochen Rapidlasso

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Mar 20, 2025, 12:20:05 PMMar 20
to LAStools - efficient tools for LiDAR processing
Hi Andrew,
we implemented BigTIFF support for demzip64.
Please check out this beta:

We checked with files up to 20 GB.
We appreciate your feedback,
Cheers,

Jochen @rapidlasso
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