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FULLA(1)			     HUGIN			      FULLA(1)

NAME
       fulla - Correct lens distortion,	vignetting and chromatic aberration

SYNOPSIS
       fulla [options] inputfile(s)

DESCRIPTION
       Apply radial or flat-field vignetting correction	as well	as geometrical
       radial distortion and transversal chromatic aberration correction.

       fulla can be used to batch correct a large number of files. Radial
       distortion coefficients can be read from	a lens database.

       Vignetting correction is	done the same way as described in the nona
       script file documentation, or from lens database.  Vignetting
       correction can be done based on a flat-field or a radial	scaling.

       Vignetting correction by	flat-field division:
			       I = I / c,    c = flat-field / mean(flat-field)

       Radial vignetting correction:
			       I = I / c,    c = a + b*r^2 + c*r^4 + d*r^6

       The radial distortion correction	is identical to	the one	implemented by
       PanoTools:

       r_new = a*r^4 + b*r^3 + c*r^2 + d*r   [1]

       Since transversal chromatic aberrations (TCA) leads to differently
       scaled objects in the red, green	and blue channel, it can be corrected
       by scaling the red and blue channel so that they	match the green
       channel.	Most applications, like	Photoshop or Picture Window Pro	offer
       TCA correction by linear	scaling. This is equal to varying the d
       parameter in equation [1].

       See http://hugin.sf.net/tutorials/tca for a method to determine these
       parameters.

OPTIONS
       --green=db|a:b:c:d
	   Correct radial distortion coefficient for all channels, (a, b, c,
	   d) Specify 'db' for database	lookup or the 4	coefficients a:b:c:d

       --blue=db|a:b:c:d
	   Correct radial distortion coefficients for blue channel, (a,	b, c,
	   d). This is applied on top of the --green distortion	coefficients,
	   use for TCA corr Specify 'db' for database lookup or	the 4
	   coefficients	a:b:c:d

       --red=db|a:b:c:d
	   Correct radial distortion coefficients for red channel, (a, b, c,
	   d). This is applied on top of the --green distortion	coefficients,
	   use for TCA corr Specify 'db' for database lookup or	the 4
	   coefficients	a:b:c:d

       --camera-maker=Maker
	   Camera manufacturer,	for database query

       --camera-model=Cam
	   Camera name,	for database query

       --lensname=Lens
	   Lens	name, for database query

	       Specify --camera-maker and --camera-model for fixed lens
	       cameras or --lensname for interchangeable lenses.

       --focallength=50
	   Specify focal length	in mm, for database query

       --aperature=3.5
	   Specify aperture for	vignetting data	database query

       --dont-rescale
	   Do not rescale the image to avoid black borders.

       --flatfield=filename
	   Vignetting correction by flatfield division I = I / c, c =
	   flatfield / mean(flatfield)

       --vignetting=db|a:b:c:d
	   Correct vignetting (by division) Specify db for database look up or
	   the the 4 coefficients a:b:c:d I = I	/ ( a +	b*r^2 +	c*r^4 +	d*r^6)

       --linear
	   Do vignetting correction in linear color space

       --gamma=value
	   Gamma of input data.	 Used for gamma	correction before and after
	   flatfield correction

       threads=n
	   Number of threads that should be used

       -h|--help
	   Display help

       --output=name
	   Set output filename.	If more	than one image is given, the name will
	   be used as suffix.  (default	suffix:	_corr)

       --compression=value
	   Compression of the output files.  For jpeg output: 0-100 For	tiff
	   output: PACKBITS, DEFLATE, LZW

       --offset=X:Y
	   Horizontal and vertical shift

       --verbose
	   Verbose

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

"Version: 2016.2.0"		  2014-05-15			      FULLA(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHORS

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