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Helmut Dersch, <der@fh-furtwangen.de>
Daniel M. German- http://turingmachine.org/
Kevin Kratzke - http://www.kekus.com/
Rik Littlefield - http://www.janrik.net/ptools/
Fulvio Senore - http://www.fsoft.it/panorama/pano12.htm
Jim Watters - http://photocreations.ca/panotools/
Thomas Rauscher - http://www.pano2qtvr.com/dll_patch/
Pablo d'Angelo - http://hugin.sf.net
Bret McKee -
Robert Platt -
Florian Königstein -

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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Public License instead of this License.

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############# Example Script ##########################
# to run PTOptimizer
#
#
# Only lines starting with 'p', 'v', 'i', or 'm' are read.
# So you can add comments and info as you like by using
# other line starting characters.
# Do not start a line with !, it is used by adjust plugin and scripts.
# the * character indicated the end of the script file.
# The script must contain:
# one 'p'- line describing the output image (eg Panorama)
# one 'i'-line for each input image
# one or several 'v'- lines listing the variables to be optimized.
# the 'm'-line is optional and allows you to specify modes for the optimization.
# one 'c'-line for each pair of control points
# 'p'-line options
# w1000 width in pixels
# h600 height in pixels (default: width/2)
# f0 projection format,
# 0 - Rectilinear (for printing and viewing)
# 1 - Cylindrical (for Printing and QTVR)
# 2 - Equirectangular ( for Spherical panos), default
# 3 - Fisheye Equidistance full-frame
# 4 - Fisheye Stereographic full-frame
# 5 - Mercator
# 6 - Transverse Mercator
# 7 - Sinusoidal
# 8 - Lambert Equal Area Cylindrical
# 9 - Lambert Azimuthal
# 10 - Albers Equal Area Conical
# 11 - Miller Cylindrical
# 12 - Panini (for wide angle printing and viewing)
# 13 - Architectural (combines Miller Cylindrical and Lambert Azimuthal)
# 14 - Fisheye Orthographic full-frame
# 15 - Fisheye Equisolid full-frame
#
# P"p1 p2 ..." Optional parameters for some projections
#
# for f10 - 0, 1 or 2 parameters corresponding to the
# standard parallels. If no parms specified
# defaults to <20,60>. If one given P1 == P2
#
# v360 horizontal field of view of panorama (default 360)
# nPICT Panorama file format, one of:
# PICT pict-file on macs, bmp-file on win (default)
# PSD single layer Photoshop file, 48bits supported
# PNG png-format, 48bits supported
# TIFF tiff-format, 48bits supported
# PSD_mask Photoshop file, one image per layer
# + shape mask & feathered clip mask at overlap center
# PSD_nomask Photoshop file, one image per layer,
# TIFF_mask tiff-format, multi-file, one image per file, 48bit supported
# alpha layer with feathered clip mask at overlap center
# TIFF_m tiff-format, multi-file, one image per file, 48bit supported
# alpha layer with non-feathered clip mask at image border
# + shape mask & non-feathered clip mask at image border
# JPEG Panoramic image in jpeg-format. Use with f1
# for IBM Hotmedia panoramas.
# PAN SmoothMove movie. Use only with f2.
# IVR LivePicture IVR movie
# cylindrical (format f1) or spherical (format f2)
# IVR_java LivePicture Java Panorama,
# cylindrical (format f1) or spherical (format f2)
# VRML VRML background node, use only with f2 for panoramas, or
# VRML-object for PTStereo
# QTVR Apple QTVR-panomovie. Use only with f1
# 3DMF 3DMF-object (PTStereo).
#
# n"QTVR w400 h300 c1" additional viewer options in a quoted string together with format
# the following options are recognized:
# w(width) and h(height) of viewer window (only QTVR on Macs)
# c(codec: 0-JPEG, 1-Cinepak, 2-Sorenson) (only QTVR on Macs)
# q(codec quality):
# 0-high,1-normal,2-low QTVR on Macs
# 0-100(highest) on other jpeg-formats (PAN, IVR, IVR_java, VRML)
# g progressive jpeg (0-no, 1-yes) (PAN, IVR, IVR_java, VRML)
# Optimized JPEG (0-on(default), 2-disabled), (3-progressive with optimized disabled)
# p initial pan angle ( QTVR on Macs, VRML, IVR)
# v field of view (QTVR, VRML, IVR)
#
# n"TIFF_m c:LZW r:CROP" additional viewer options in a quoted string together with format
# the following options are recognized for TIFF_m:
# c:LZW enable LZW compression
# r:CROP enable cropping to ROI (default)
# r:UNCROP disable cropping to ROI
#
# Many more options can be set by editing the viewer scripts
#
# -buf suppress buffer commands in the stitcher script generated by PTOptimizer.
# (buffer commands are now obsolete, -buf and +buf on i lines are now
# ignored when stitching) This option should be set if you wish
# to edit the final panoramic image, eg for the two PSD formats.
# a0.0 b1.0 c0.04 Options to create multiple images in PTInterpolate and PTMorpher.
# a denotes starting value,
# b end value
# c increment. 0 is left, 1 is right image.
# The above command interpolates/morphs two images and
# creates 25 intermediate frames.
# u10 width of feather for stitching all images. default:10
# k1 attempt color & brightness correction using image number as anchor
# b1 attempt brightness correction with no color change using image number as anchor
# d1 attempt color correction with no brightness change using image number as anchor
# Do not use more than one of k, d, b.This is new method of correcting
p w800 nPSD_mask -buf
# The 'i' lines describe input images. One line per image is required
# unneeded paramiters for optimizing but needed for stitching can be
# set here and the optimizer will automaticaly add them to the o lines
# ----------------
# f0 projection format,
# 0 - Rectilinear (normal lenses)
# 1 - Panoramic (Scanning cameras like Noblex)
# 2 - Fisheye Equidistance Circular
# 3 - Fisheye Equidistance full-frame
# 4 - Equirectangular (Spherical panos)
# 7 - Mirror
# 8 - Fisheye Orthographic (This is only allowed in PTStereo and
# for the first image. This indicates a map or ground plan)
# 10 - Fisheye Stereographic
# 19 - Fisheye Equisolid
# w600 width in pixels
# h1000 height in pixels
# v82 horizontal field of view of image (required, but ignored for f8)
# y0 initial yaw angle (required)
# p43 initial pitch angle (required)
# r0 initial roll angle (required)
# a,b,c initial lens correction coefficients (defaults a0 b0 c0, optional)
# (see http://www.fh-furtwangen.de/~dersch/barrel/barrel.html)
# d,e initial lens offset in pixels(defaults d0 e0, optional).
# Used to correct for offset from center of image
# d - horizontal offset,
# e - vertical offset
# g,t initial lens shear. Use to remove slight misalignment
# of the line scanner relative to the film transport
# g - horizontal shear
# t - vertical shear
# TiX,TiY,TiZ,TiS initial tilt. Use to correct for off NPP nadir images
# TiX the x offset of the camera (default TiX0)
# TiY the y offset of the camera (default TiY0)
# TiZ the z offset of the camera (default TiZ0)
# TiS the scale offset of the camera (default TiS1, valid for values > 0)
# TrX,TrY,TrZ initial mosaic mode translation offsets, alternative to Ti
# parameters
# Te0,Te1,Te2,Te3 Test parameters
# S100,600,100,800 Selection(l,r,t,b), Only pixels inside the rectangle will be used for conversion.
# Original image size is used for all image parameters
# (e.g. field-of-view) refer to the original image.
# C100,600,100,800 Crop(l,r,t,b), Only pixels inside the rectangle will be used for conversion.
# Cropped image size is used for all image parameters
# (e.g. field-of-view) refer to the cropped part of the image.
# m20 (obsolete, use S & C) ignore a frame 20 pixels wide. default: 0
# mx100 (obsolete, use S & C) crop to brightest rectangle with size 100x200;
# my200 (obsolete, use S & C) used only for circular fisheye images (f2)
# s0 (obsolete, ignored, always blend) specify placement of seam between buffer and image:
# 0-middle of overlap('blend' ,default)
# 1- at edge of image ('paste').
# o (the small letter). Morph-to-fit using control points.
# X10 World coordinates of camera position, only used for PTStereo
# Y200 If the camera is aligned (yaw = pitch = roll = 0.0),
# Z-13.5 X is coordinate to the right, Y vertically up and
# -Z is forward viewing direction.
# nName Name of image (ignored by PTOptimizer used in PTStitcher)
#
# Parameters in different images can be linked using '='
# followed by the image number starting with 0.
# Example 'v=0' sets horizontal field of view as in
# image number 0. This feature works for the variables
# v, a, b, c, (r, p, y with caution) d, e, g, and t
i f2 r0 p0 y0 v183 a0 b-0.1 c0 mx400 my400
i f2 r-0.5 p1 y182 v=0 a0 b-0.1 c0 mx400 my400
# 'v'-line options:
# -----------------
# Please note: the 'v'-line must come after the the 'i'-lines.
# Optimization variables are listed together with the image number
# starting at 0. There can be several v-lines.
#
# y0 Optimize yaw in image 0
# p1 Optimize pitch in image 1
# r2 Optimize roll in image 2
# v0 Optimize field of view in image 0
# a2 Optimize lens correction parameter 'a' in image 2
# b and c can be equally optimized.
# X1 Optimize x-coordinate of image 1, only for PTStereo
# Y2 Optimize y-coordinate of image 2, only for PTStereo
# Z6 Optimize z-coordinate of image 6, only for PTStereo
#
# If a image has a parameter linked to another image only
# need to optimize the master.
v v0 r0 p0 r1 p1 y1
#
# 'm'-line options
# ----------------
# Set mode for stitcher, not required
#
# g2.5 Set gamma value for internal computations (default 1.0)
# See <http://www.fh-furtwangen.de/~dersch/gamma/gamma.html>
# i2 Set interpolator, See <http://www.fh-furtwangen.de/~dersch/interpolator/interpolator.html>
# one of:
# 0 - poly3 (default)
# 1 - spline16,
# 2 - spline36,
# 3 - sinc256,
# 4 - spline64,
# 5 - bilinear,
# 6 - nearest neighbor,
# 7 - sinc1024
# \/ antialiasing filters \/ See <http://www.pano2qtvr.com/dll_patch/>
# 8 - Box
# 9 - Bartlett/Triangle
# 10 - Hermite
# 11 - Hanning
# 12 - Hamming
# 13 - Blackmann
# 14 - Gaussian 1/sqrt(2)
# 15 - Gaussian 1/2
# 16 - Quadardic
# 17 - Cubic
# 18 - Catmull-Rom
# 19 - Mitchell
# 20 - Lanczos2
# 21 - Lanczos3
# 22 - Blackman/Bessel
# 23 - Blackman/sinc
#
# p0 Create panorama after optimizing control points
# 0 no(default), 1 yes
#
# m0 use Huber m-estimator during second optimisation pass.
# This will reduce the weight of control points with higher errors
# It might help a little if a pano contains a few inaccurate or
# completely wrong control points.
# 0: no m-estimator (as in previous versions)
# Any other number is the sigma parameter of the huber m-estimator.
# Control points with errors higher than sigma will have less
# influence during the optimisation.
# A good value for sigma might be 2.
#
m g1.5 i6
#
# 'c' lines
# ----------------
# Control point lines
# One line per point pair
# about one pair of points per image per variable being optimized.
# The more variables being optimized the more control points needed.
#
# n0 first image
# N1 second image
# x1066.5 first image x point position
# y844.333 first image y point position
# X239.52 second image x point position
# Y804.64 second image y point position
# t0 type of control point (optional)
# 0 - normal (default)
# 1 - optimize horizontally only
# 2 - optimize vertically only
# 3+ (all other numbers) - straight line
*
Every thing after * is ignored.

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RGB mode:
--------
k type correction (color): I fixed minor rounding errors that should
reduce the error. The change might not be very noticeable in most
cases.
HSV mode:
--------
b type correction (brightness): Fully supported and seems to work
well and better thar k type.
d type correction (saturation): In PTstitcher d is used for Hue and
Saturation but I have decided to use it only for Saturation. The
reason is that in highly saturated areas (such as polarized photos)
this shifts completely the colours (from blue to green, in my
tests). Saturation seems to work well instead.
Other types of correction (H and S, H only might be added to PTblender
when I find out how to add new keywords to the parser).
USING Colour Correction
----------------------------------------------------------------------
I think it is important to understand the way colour is corrected in
PTmender (and PTblender) and how it is different from enblend
(PTblender can be used as a "replacement" for enblend to fix colour
differences). Let us assume 2 images:
* Enblend (as its name implies) smooths transitions between the
2 images, and leaves the rest of the image unaltered (this might
result in strong banding).
* PTblender, on the other hand changes the entire second image so that
the histograms of the areas of overlap of both images are as close
as possible to each other
PTblender fails miserably in the following three situations:
1. When the areas of overlap are very different in content. Because it
assumes the histograms should be as close to each other as possible
you really need images that overlap well (and have few or no
ghosts).
2. When the lens has strong vignetting. Same reason. Usually images
overlap in the area of vignetting. Please use software to correct
vignetting before using PTblender. In fact, experiment with and
without it to notice the (big) difference.
3. When the chain of correction is large. In PTblender you select an
"anchor" image, that is, the one that is not to be corrected. We
will call this the corrected area.
The algorithm finds the to-be-correted image with the largest
overlap to the corrected area. It then corrects it and adds it to
the area of overlap. This happens recursively until no more images
are corrected.
The farther "away" an image (in terms of the chain-of-correction)
is from the anchor, the bigger the potential for error.
As Helmut once explained, if you have a "cap" image (a zenith), it
can help to reduce the length of the largest chain-of-correction.
So, when is PTblender useful. These are some examples:
* Panoramas with few images
* Images with very strong changes in brightness (automatic exposure,
for example)
* Panoramas to be displayed flat (no need to blend around the edges)
My recommendations on how to use PTblender:
* FIX vignetting before you map the images (use fulla for it, or
photoshop)
* Experiment with the 3 outputs (RGB, saturation, intensity).
* Choose an anchor in such a way that it minimizes the
chain-of-correction. ( experiment with different anchors)
* Experiment with using the 3 types of outputs plus uncorrected as 4
different layers in photoshop and mask/unmask areas as you see
fit. This might prove to be very useful (similar to enblend).
Another option is to use enblend and PTblender in the same pano, each
dealing with different types of corrections. I have not tried this
myself. PTblender accept TIFFs with alpha channel and can output TIFFs
or PSDs.
There is lots of room for improvement in colour correction, but at the
very least we (panotools) are now where Helmut left it (approx 5 year
ago).

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PTmender
--------
This is a program that implements the mapping of panoramas similar to
PTStitcher
----------------------------------------------------------------------
WHAT IS NOT GOING TO BE SUPPORTED
* PTremap only preforms the remapping of the input images and creates
a set of cropped TIFFs, one for each input image.
* It does NOT create any other type of output and it does not flatten the output.
----------------------------------------------------------------------
COMMAND LINE OPTIONS
PTremap [options] <script filename>
Options:
-o <prefix> Prefix for output filename, defaults to pano
-q Quiet run
-h Show this mes
----------------------------------------------------------------------
----------------------------------------------------------------------
If you select circular fisheye a mask is created around a circle:
* The image is always assumed to be in portrait mode.
* if no crop region is specified then the circle is assumed to be
bounded by the horizontal axis. A mask is created with a circle of
horizontal_width/2 radious, centered in the middle of the image
* If a crop region is specified then a mask is created such that the
circle is enclosed (in the horizontal axis) by the crop region.

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This is the pano13 library, part of the Panorama Tools by Helmut
Dersch of the University of Applied Sciences Furtwangen.
http://panotools.sourceforge.net/
Also included with the library are:
- PToptimizer a command-line tool for optimizing control points.
- PTmender a command-line tool for reprojecting images.
Usage
----
The typical workflow would be:
- PTmender maps the pano files, outputs cropped TIFFS
- PTblender* fixes colour shifts in TIFFs, outputs cropped TIFFS (8 bit only)
- PTmasker* creates stitching masks in TIFFs, outputs cropped TIFFS
- PTroller creates a single TIFF from set of TIFFs
- PTcrop recropps a TIFF to a tight bounding box, creates a cropped TIFF
* Optional step.
Other tools:
- PTtiff2psd Combines a set of tiffs into one PSD file with multiple
layers (including stacking feature) and the ability to
specify blending mode (8 bit only)
- PTuncrop Uncrops a cropped TIFF.
- panoinfo a command-line tool for querying the library version.
- PTAInterpolate Interpolate intermediate images between stereo photos
- PTinfo Display information about a panotools-generated image
- PTtiffdump Compare two TIFF images
- panoinfo List details about the libpano13 library

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############# Example Script ##########################
# to run PTStitcher
#
#
# Only lines starting with 'p', 'v','o', i', or 'm' are read,
# so you can add comments and info as you like by using
# other line starting characters.
# The * character at the first of a line indicated the end of the script file.
# The stitcher script must contain:
# one 'p'- line describing the output image (eg Panorama)
# one 'o'-line for each input image
# one 'i' line for each input image that is optional
# the 'm'-line is optional and allows you to specify modes for the optimization.
# the 'C'-line is optional and allows morphing of control points.
# if a v line is present it is read and verified that the parameters match images but is not used.
# 'p'-line options
# w1000 width in pixels
# h600 height in pixels (default: width/2)
# f0 projection format,
# 0 - Rectilinear (for printing and viewing)
# 1 - Cylindrical (for Printing and QTVR)
# 2 - Equirectangular ( for Spherical panos), default
# 3 - Fisheye Equidistance full-frame
# 4 - Fisheye Stereographic full-frame
# 5 - Mercator
# 6 - Transverse Mercator
# 7 - Sinusoidal
# 8 - Lambert Equal Area Cylindrical
# 9 - Lambert Azimuthal
# 10 - Albers Equal Area Conical
# 11 - Miller Cylindrical
# 12 - Panini (for wide angle printing and viewing)
# 13 - Architectural (combines Miller Cylindrical and Lambert Azimuthal)
# 14 - Fisheye Orthographic full-frame
# 15 - Fisheye Equisolid full-frame
#
# P"p1 p2 ..." Optional parameters for some projections
#
# for f10 - 0, 1 or 2 parameters corresponding to the
# standard parallels. If no parms specified
# defaults to <20,60>. If one given P1 == P2
#
# v360 horizontal field of view of panorama (default 360)
# nPICT Panorama file format, one of:
# PICT pict-file on macs, bmp-file on win (default)
# PSD single layer Photoshop file, 48bits supported
# PNG png-format, 48bits supported
# TIFF tiff-format, 48bits supported
# PSD_mask Photoshop file, one image per layer
# + shape mask & feathered clip mask at overlap center
# PSD_nomask Photoshop file, one image per layer,
# TIFF_mask tiff-format, multi-file, one image per file, 48bit supported
# alpha layer with feathered clip mask at overlap center
# TIFF_m tiff-format, multi-file, one image per file, 48bit supported
# alpha layer with non-feathered clip mask at image border
# + shape mask & non-feathered clip mask at image border
# JPEG Panoramic image in jpeg-format. Use with f1
# for IBM Hotmedia panoramas.
# PAN SmoothMove movie. Use only with f2.
# IVR LivePicture IVR movie
# cylindrical (format f1) or spherical (format f2)
# IVR_java LivePicture Java Panorama,
# cylindrical (format f1) or spherical (format f2)
# VRML VRML background node, use only with f2 for panoramas, or
# VRML-object for PTStereo
# QTVR Apple QTVR-panomovie. Use only with f1
# 3DMF 3DMF-object (PTStereo).
#
# n"QTVR w400 h300 c1" additional viewer options in a quoted string together with format
# the following options are recognized:
# w(width) and h(height) of viewer window (only QTVR on Macs)
# c(codec: 0-JPEG, 1-Cinepak, 2-Sorenson) (only QTVR on Macs)
# q(codec quality):
# 0-high,1-normal,2-low QTVR on Macs
# 0-100(highest) on other jpeg-formats (PAN, IVR, IVR_java, VRML)
# g progressive jpeg (0-no, 1-yes) (PAN, IVR, IVR_java, VRML)
# Optimized JPEG (0-on(default), 2-disabled), (3-progressive with optimized disabled)
# p initial pan angle ( QTVR on Macs, VRML, IVR)
# v field of view (QTVR, VRML, IVR)
#
# n"TIFF_m c:LZW r:CROP" additional viewer options in a quoted string together with format
# the following options are recognized for TIFF_m:
# c:LZW enable LZW compression
# r:CROP enable cropping to ROI (default)
# r:UNCROP disable cropping to ROI
#
# Many more options can be set by editing the viewer scripts
#
# u10 width of feather for stitching all images. default:10
# k1 attempt color & brightness correction using image number as anchor
# b1 attempt brightness correction with no color change using image number as anchor
# d1 attempt color correction with no brightness change using image number as anchor
# Do not use more than one of k, d, b.This is new method of correcting
p w800 nPSD_mask
# The 'i' lines describe input images and is optional
# nName file name of the input image.
# over ridable with command line parameters to PTStitcher
i n"photo1.jpg"
# The 'o' lines describe input images. One line per image is required
# The width and height of the image is obtained from image
# f0 projection format,
# 0 - Rectilinear (normal lenses)
# 1 - Panoramic (Scanning cameras like Noblex)
# 2 - Fisheye Equidistance Circular
# 3 - Fisheye Equidistance full-frame
# 4 - Equirectangular (Spherical panos)
# 7 - Mirror
# 8 - Fisheye Orthographic (This is only allowed in PTStereo and
# for the first image. This indicates a map or ground plan)
# 10 - Fisheye Stereographic
# 20 - Thoby Projection (rho = THOBY_K1_PARM * sin(
# theta * THOBY_K2_PARM), defaults to Nikkor 10.5
# 21 - Fisheye Equisolid
# v82 horizontal field of view of image (required)
# y0 yaw angle (required)
# p43 pitch angle (required)
# r0 roll angle (required)
# a,b,c lens correction coefficients (optional)
# (see http://www.fh-furtwangen.de/~dersch/barrel/barrel.html)
# d,e initial lens offset in pixels(defaults d0 e0, optional).
# Used to correct for offset from center of image
# d - horizontal offset,
# e - vertical offset
# g,t initial lens shear. Use to remove slight misalignment
# of the line scanner relative to the film transport
# g - horizontal shear
# t - vertical shear
# TiX,TiY,TiZ,TiS initial tilt. Use to correct for off NPP nadir images
# TiX the x offset of the camera (default TiX0)
# TiY the y offset of the camera (default TiY0)
# TiZ the z offset of the camera (default TiZ0)
# TiS the scale offset of the camera (default TiS1, valid for
# values > 0)
# TrX,TrY,TrZ initial mosaic mode translation offsets, alternative to Ti
# parameters
# Te0,Te1,Te2,Te3 Test parameters
# +buf (obsolete, -buf and +buf are now ignored when stitching)
# load and merge image with buffer
# -buf (obsolete, -buf and +buf are now ignored when stitching)
# save result to buffer. The first 'o' line should
# contain one '-buf' command, the last line one '+buf'
# command, and all other lines both '+buf -buf'
# Exception: remove all 'buf' commands when
# creating Photoshop-files to preserve the original images.
# S100,600,100,800 Selection(l,r,t,b), Only pixels inside the rectangle will be used for conversion.
# Original image size is used for all image parameters
# (e.g. field-of-view) refer to the original image.
# Selection can be outside image dimension.
# C100,600,100,800 Crop(l,r,t,b), Only pixels inside the rectangle will be used for conversion.
# Cropped image size is used for all image parameters
# (e.g. field-of-view) refer to the cropped part of the image.
# m20 (obsolete, use S & C) ignore a frame 20 pixels wide. default: 0
# mx100 (obsolete, use S & C) crop to brightest rectangle with size 100x200;
# my200 (obsolete, use S & C) used only for circular fisheye images (f2)
# s0 (obsolete, ignored, always blend) specify placement of seam between buffer and image:
# 0-middle of overlap('blend' ,default)
# 1- at edge of image ('paste').
# o (the small letter). Morph-to-fit using control points.
o f2 r0 p0 y0 v183 a0 b-0.1 c0 S100,600,100,800
o f2 r0 p0 y180 v183 a0 b-0.1 c0 S100,600,100,800
# 'm'-line options
# ----------------
# Set mode for stitcher, not required
#
# g2.5 Set gamma value for internal computations (default 1.0)
# See <http://www.fh-furtwangen.de/~dersch/gamma/gamma.html>
# i2 Set interpolator, See <http://www.fh-furtwangen.de/~dersch/interpolator/interpolator.html>
# one of:
# 0 - poly3 (default)
# 1 - spline16,
# 2 - spline36,
# 3 - sinc256,
# 4 - spline64,
# 5 - bilinear,
# 6 - nearest neighbor,
# 7 - sinc1024
# \/ antialiasing filters \/ See <http://www.pano2qtvr.com/dll_patch/>
# 8 - Box
# 9 - Bartlett/Triangle
# 10 - Hermite
# 11 - Hanning
# 12 - Hamming
# 13 - Blackmann
# 14 - Gaussian 1/sqrt(2)
# 15 - Gaussian 1/2
# 16 - Quadardic
# 17 - Cubic
# 18 - Catmull-Rom
# 19 - Mitchell
# 20 - Lanczos2
# 21 - Lanczos3
# 22 - Blackman/Bessel
# 23 - Blackman/sinc
#
# f0 Invoke Faster Transformation. Increase the speed of transformation with the side effect a little distortion
# 0 Fastest speed, some distortion
# 1 Some speed, little distortion
# - anything else turns off Faster Transformation (default)
m g1.5 i6 f0
#
# 'z'-lines options
# ----------------
# Extended Depth-Of-Field, not required
#
# Automatically determine, for every point in a picture, which of mumerous overlapping
# images has best focus. Masks are generated to reveale the best focused parts of
# each image. Feathering must be selected. Used with PSD_mask or TIFF_mask file format
# to edit the mask or with flattened file formats for flattened final result. Does not
# work if color and/or brightness correction are invoked.
#
# m2 mask type
# m0 hard-edged masks, mutually exclusive
# m1 hard-edged masks, stack of nested masks
# m2 blended masks, stack of nested masks (default & strongly recommended)
# (this option includes a smoothing computation that seems to help a lot.)
# fN focus estimation window size, N = halfwidth of window.
# Recommended value is 0.5% of image width, e.g. 4 pixels for an 800-pixel image.
# Computation cost for focus estimation increases proportional to N^2. Default f4.
# sN smoothing window size, N = halfwidth of window.
# Recommended value is 0.5% of image width, e.g. 4 pixels for an 800-pixel image.
# Computation cost for smoothing increases proportional to N^2. Default s4.
z m2 f4 s4
#
# 'C' lines
# ----------------
# Morphing of control point lines
# One line per point
# Created automatically by optimizer
#
# i0 image
# x363.726 starting x point position
# y125.738 starting y point position
# X363.838 morphed x point position
# Y125.618 morphed y point position
C i0 x363.726 y125.738 X363.838 Y125.618
*
Every thing after * is ignored.