---
name: "nikon-curve"
section: "1"
platform: "linux"
package: "ufraw"
version: "0.22-4"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/nikon-curve"
---

# nikon-curve(1)

generate interpolation data from Nikon tone curves

## NAME

nikon-curve - generate interpolation data from Nikon tone curves

## SYNOPSIS

 **nikon-curve** \[ *options and input file* \]

## DESCRIPTION

**nikon-curve** reads in a Nikon NTC/NCV or NEF file, interprets its tone curve, and writes out a simple ASCII file containing a table of interpolation values.

## OPTIONS

A summary of options is included below.

- **-h**

  Show summary of options.

- **-o**

  Specify output file.

- **-sr**

  Specify sampling resolution. Default is 65536.

- **-or**

  Specify output resolution. Default is 256.

- **-nef**

  Specify an NEF file to get tone curve data from.

The -or and -sr options are ignored for NEF files.

NOTE: If a resolution is not specified, a default one will be used. If the -o option is not specified, default files will be used.

## EXAMPLE

nikon-curve -sr 65536 -or 256 curveFile -o exportFile

## AUTHOR

nikon-curve was written by Shawn Freeman and Udi Fuchs.

This manual page was written by Hubert Chan \<hubert@uhoreg.ca\>, for the Debian project (but may be used by others).