---
name: "nanovdb_convert"
section: "1"
platform: "linux"
package: "libnanovdb-tools"
version: "10.0.1-2.3+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nanovdb_convert"
---

# nanovdb\_convert(1)

converts one or more OpenVDB files to a single NanoVDB file

## NAME

nanovdb\_convert - converts one or more OpenVDB files to a single NanoVDB file

## SYNOPSIS

**nanovdb\_convert** \[*options*\] *\*.vdb output.nvdb*

## DESCRIPTION

Which: converts one or more OpenVDB files to a single NanoVDB file

Usage: ./debian/tmp/usr/bin/nanovdb\_convert \[options\] \*.nvdb output.vdb Which: converts one or more NanoVDB files to a single OpenVDB file

## OPTIONS

**-a**,--abs-error float     Absolute error tolerance used for variable bit depth quantization **-b**,--blosc      Use BLOSC compression on the output file **-c**,--checksum mode       where mode={none, partial, full} **-d**,--dither     Apply dithering during blocked compression **-f**,--force      Overwrite output file if it already exists **--fp4**   Quantize float grids to 4 bits **--fp8**   Quantize float grids to 8 bits **--fp16**  Quantize float grids to 16 bits **--fpN**   Quantize float grids to variable bit depth (use **-a** or **-r** to specify a tolerance) **-g**,--grid name  Convert all grids matching the specified string name **-h**,--help       Prints this message **-r**,--rel-error float     Relative error tolerance used for variable bit depth quantization **-s**,--stats mode  where mode={none, bbox, extrema, all} **-v**,--verbose    Print verbose information to the terminal **--version**       Print version information to the terminal **-z**,--zip        Use ZIP compression on the output file

## AUTHOR

This manual page was written by Mathieu Malaterre \<malat@debian.org\> for the Debian GNU/Linux system (but may be used by others).