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nona - Man Page

Stitch a panorama image


nona [options] -o output project_file (image files)


nona uses the transform function from PanoTools, the stitching itself is quite simple, no seam feathering is done.

Only the non-antialiasing interpolators of PanoTools are supported.

The following output formats (n option of PanoTools p script line) are supported:

JPEG, TIFF, PNG  : Single image formats without feathered blending

JPEG_m, TIFF_m, PNG_m   : multiple tiff files

TIFF_multilayer : Multilayer tiff files, readable by The Gimp 2.0


General options:


Create coordinate images (only TIFF_m output)


Quiet, do not output progress indicators


print detailed output for GPU processing


perform image remapping on the GPU

The following options can be used to override settings in the project file:

-i num

Remap only image with number num (can be specified multiple times)

-m str

Set output file format (TIFF, TIFF_m, TIFF_multilayer, EXR, EXR_m, JPEG, JPEG_m, PNG, PNG_m)

-r ldr/hdr

Set output mode:

ldr - keep original bit depth and response

hdr - merge to hdr

-e exposure

Set exposure for ldr mode


Pixel type of the output. Can be one of:

UINT8   8 bit unsigned integer

UINT16  16 bit unsigned integer

INT16   16 bit signed integer

UINT32  32 bit unsigned integer

INT32   32 bit signed integer

FLOAT   32 bit floating point


Set compression type. Possible options for tiff output:

NONE      no compression
PACKBITS  packbits compression
LZW       LZW compression
DEFLATE   deflate compression

For JPEG output set quality number


Don't correct exposure. (This doesn't work with the -e switch)


Saves also the intermediate images (only when output is is TIFF, PNG or JPEG)


Suffix for intermediate images


Create all exposure layers (this will always use TIFF)

--clip-exposure[=lower cutoff:upper cutoff]

Mask automatically all dark and bright pixels. Optionally you can specify the limits for the lower and upper cutoff (specify in range 0...1, relative the full range)


Written by Pablo d'Angelo. Also contains contributions from Douglas Wilkins, Ippei Ukai, Ed Halley, Bruno Postle, Gerry Patterson and Brent Townshend.

This man page was written by Cyril Brulebois <cyril.brulebois@enst-bretagne.fr> and updated by Terry Duell and is licensed under the same terms as the hugin package itself.

Referenced By


2024-06-14 "Version: 2023.0.0" HUGIN