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ENBLEND(1)			 User Commands			    ENBLEND(1)

NAME
       enblend - manual	page for enblend 4.1.4

SYNOPSIS
       enblend [options] [--output=IMAGE] INPUT...

DESCRIPTION
       Blend INPUT images into a single	IMAGE.

       INPUT...	are image filenames or response	filenames.  Response filenames
       start with an "@" character.

OPTIONS
   Common options:
       -V, --version
	      output version information and exit

       -a     pre-assemble non-overlapping images

       -h, --help
	      print this help message and exit

       -l, --levels=LEVELS
	      limit number of blending LEVELS to use (1	to 29);	negative  num-
	      ber of LEVELS decreases maximum; "auto" restores the default au-
	      tomatic maximization

       -o, --output=FILE
	      write output to FILE; default: "a.tif"

       -v, --verbose[=LEVEL]
	      verbosely	report progress; repeat	to increase verbosity  or  di-
	      rectly set to LEVEL

       -w, --wrap[=MODE]
	      wrap  around image boundary, where MODE is "none", "horizontal",
	      "vertical", or "both"; default: none; without argument  the  op-
	      tion selects horizontal wrapping

       -x     checkpoint partial results

       --compression=COMPRESSION
	      set  compression	of output image	to COMPRESSION,	where COMPRES-
	      SION is: "deflate", "jpeg", "lzw", "none", "packbits", for  TIFF
	      files  and  0  to	 100,  or "jpeg", "jpeg-arith" for JPEG	files,
	      where "jpeg" and "jpeg-arith" accept a compression level

       --layer-selector=ALGORITHM
	      set the layer selector ALGORITHM;	default: "all-layers";	avail-
	      able  algorithms are: "all-layers": select all layers in all im-
	      ages; "first-layer": select only first layer in each multi-layer
	      image; "largest-layer": select largest layer in each multi-layer
	      image; "no-layer": do not	select any layer from any image;

       --parameter=KEY1[=VALUE1][:KEY2[=VALUE2][:...]]
	      set one or more KEY-VALUE	pairs

   Extended options:
       -b BLOCKSIZE
	      image cache BLOCKSIZE in kilobytes; default: 2048KB

       --blend-colorspace=COLORSPACE
	      force COLORSPACE for blending operations;	Enblend	uses  "CIECAM"
	      for images with ICC-profile and "IDENTITY" for those without and
	      also for all floating-point images;

       -c, --ciecam
	      use CIECAM02 to blend colors; disable with "--no-ciecam"

       --fallback-profile=PROFILE-FILE
	      use the ICC profile from PROFILE-FILE instead of sRGB

       -d, --depth=DEPTH
	      set the number of	bits per channel of the	 output	 image,	 where
	      DEPTH is "8", "16", "32",	"r32", or "r64"

       -g     associated-alpha hack for	Gimp (before version 2)	and Cinepaint

       --gpu  use graphics card	to accelerate seam-line	optimization

       -f WIDTHxHEIGHT[+xXOFFSET+yYOFFSET]
	      manually	set  the size and position of the output image;	useful
	      for cropped and shifted input TIFF images, such  as  those  pro-
	      duced by Nona

       -m CACHESIZE
	      set image	CACHESIZE in megabytes;	default: 1024MB

   Mask	generation options:
       --primary-seam-generator=ALGORITHM
	      use main seam finder ALGORITHM, where ALGORITHM is "nearest-fea-
	      ture-transform" or "graph-cut"; default: "nearest-feature-trans-
	      form"

       --image-difference=ALGORITHM[:LUMINANCE-WEIGHT[:CHROMINANCE-WEIGHT]]
	      use ALGORITHM for	calculation of the difference image, where AL-
	      GORITHM is "max-hue-luminance"  or  "delta-e";  LUMINANCE-WEIGHT
	      and  CHROMINANCE-WEIGHT  define  the  weights  of	 lightness and
	      color; default: delta-e:1:1

       --coarse-mask[=FACTOR] shrink overlap regions by	FACTOR to speedup mask
	      generation; this is the default; if omitted FACTOR defaults to 8

       --fine-mask
	      generate mask at full image resolution; use e.g.	if overlap re-
	      gions are	very narrow

       --smooth-difference=RADIUS
	      (deprecated)  smooth the difference image	prior to seam-line op-
	      timization with a	Gaussian blur of RADIUS; default: 0 pixels

       --optimize
	      turn on mask optimization; this is the default

       --no-optimize
	      turn off mask optimization

       --optimizer-weights=DISTANCE-WEIGHT[:MISMATCH-WEIGHT]
	      set the optimizer's weigths for distance and mismatch;  default:
	      8:1

       --mask-vectorize=LENGTH
	      set  LENGTH  of  single  seam  segment;  append "%" for relative
	      value; defaults: 4 for coarse masks and 20 for fine masks

       --anneal=TAU[:DELTAE-MAX[:DELTAE-MIN[:K-MAX]]]
	      set annealing parameters	of  optimizer  strategy	 1;  defaults:
	      0.75:7000:5:32

       --dijkstra=RADIUS
	      set search RADIUS	of optimizer strategy 2; default: 25 pixels

       --save-masks[=TEMPLATE]
	      save  generated  masks in	TEMPLATE; default: "mask-%n.tif"; con-
	      version chars: "%i": mask	index, "%n": mask number,  "%p":  full
	      path,  "%d":  dirname, "%b": basename, "%f": filename, "%e": ex-
	      tension; lowercase characters refer to input images uppercase to
	      the output image

       --load-masks[=TEMPLATE]
	      use  existing masks in TEMPLATE instead of generating them; same
	      template characters as "--save-masks"; default: "mask-%n.tif"

       --visualize[=TEMPLATE] save results of optimizer	in TEMPLATE; same tem-
       plate
	      characters as "--save-masks"; default: "vis-%n.tif"

       Enblend accepts arguments to any	option in uppercase as well as in low-
       ercase letters.

ENVIRONMENT
       TMPDIR The TMPDIR environment variable points to	the  directory,	 where
	      to store ImageCache files.  If unset Enblend uses	"/tmp".

AUTHOR
       Written by Andrew Mihal,	Christoph Spiel	and others.

REPORTING BUGS
       Report bugs at <https://bugs.launchpad.net/enblend>.

COPYRIGHT
       Copyright (C) 2004-2009 Andrew Mihal.
       Copyright (C) 2009-2015 Christoph Spiel.

       License	GPLv2+:	 GNU  GPL  version  2 or later <http://www.gnu.org/li-
       censes/gpl.html>
       This is free software: you are free  to	change	and  redistribute  it.
       There is	NO WARRANTY, to	the extent permitted by	law.

SEE ALSO
       The  full  documentation	for enblend is maintained as a Texinfo manual.
       If the info and enblend programs	are properly installed at  your	 site,
       the command

	      info enblend

       should give you access to the complete manual.

enblend	4.1.4			   July	2017			    ENBLEND(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ENVIRONMENT | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO

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