---
name: "PTblender"
section: "1"
platform: "linux"
package: "libpano13"
version: "2.9.23-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/PTblender"
---

# PTblender(1)

Colour and brightness correction of panoramas

## NAME

PTblender - Colour and brightness correction of panoramas

## SYNOPSIS

**PTblender** \[options\] *tiff\_file(s)*

## DESCRIPTION

**PTblender** is a command-line tool that only implements the colour and brightness correction functionality of **PTmender**.

## OPTIONS

- **-p** *prefix*

  Prefix for output filename. Defaults to *blended%4d*.

- **-k** *index*

  Index of the image to use as a reference (0-based, defaults to 0).

- **-t** *\[0,1,2\]*

  Type of colour correction: 0 full (default), 1 brightness only, 2 colour only.

- **-c**

  Output curves smooth (output one per each corrected file).

- **-m**

  Output curves arbitrary map (output one per each corrected file).

- **-f**

  Force processing (ignore warnings).

- **-x**

  Delete source files (use with care).

- **-q**

  Quiet run.

- **-h**

  Output help summary.

## SEE ALSO

\<http://wiki.panotools.org/PTblender\>, [**PTmender**(1)](/PTmender/1.md)

## AUTHORS

Panorama Tools was originally created by Professor Helmut Dersch, it's now maintained by Bruno Postle \<bruno@postle.net\>.

PTblender was written by Daniel M German \<dmgerman@uvic.ca\>.

This manpage was written by Cyril Brulebois \<cyril.brulebois@enst-bretagne.fr\> and is licensed under the same terms as the libpano13 package itself.