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.\" ========================================================================
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.\" ========================================================================
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.\"
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.\"
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.IX Title "VIG_OPTIMIZE 1"
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.IX Title "VIG_OPTIMIZE ""1"""
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.TH VIG_OPTIMIZE 1 "2009-05-07" "perl v5.8.5" "HUGIN"
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.TH VIG_OPTIMIZE "1" "2010-12-26" """Version: 2010.5.0""" "HUGIN"
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.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.SH "NAME"
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.SH "NAME"
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vig_optimize \- Optimise photometric parameters
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vig_optimize \- Optimise photometric parameters
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.SH "SYNOPSIS"
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fBvig_optimize\fR [options] \fB\-o\fR \fIoutput.pto\fR \fIinput.pto\fR
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\&\fBvig_optimize\fR [options] \fB\-o\fR \fIoutput.pto\fR \fIinput.pto\fR
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.SH "DESCRIPTION"
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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.IX Header "DESCRIPTION"
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Photometric calculation can be performed on the command-line with the
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Photometric calculation can be performed on the command-line with the
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vig_optimize tool. This functionally is configured via 'v' variable lines in
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vig_optimize tool. This functionally is configured via 'v' variable lines in
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the .pto project file in a similar way to the autooptimiser tool: 
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the .pto project file in a similar way to the autooptimiser tool:
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.PP
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.PP
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The camera response curve is simplified using the EMoR sensor model which
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The camera response curve is simplified using the EMoR sensor model which
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reduces the variation to five numbers, these are the Ra, Rb, Rc, Rd & Re image
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reduces the variation to five numbers, these are the Ra, Rb, Rc, Rd & Re image
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(i) parameters (the default values of 0.0 are equivalent to an 'average'
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(i) parameters (the default values of 0.0 are equivalent to an 'average'
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generic sensor).
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generic sensor).
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default to 0.0 \- equivalent to no vignetting). The vignetting centre can also
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default to 0.0 \- equivalent to no vignetting). The vignetting centre can also
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be different from the geometrical centre, this is specified by Vx & Vy (both
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be different from the geometrical centre, this is specified by Vx & Vy (both
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default to 0.0).
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default to 0.0).
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.PP
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.PP
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Exposure (\s-1EV\s0) is represented by a single value Ev (defaults 0.0, equivalent to
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Exposure (\s-1EV\s0) is represented by a single value Ev (defaults 0.0, equivalent to
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no\-change).
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no-change).
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.PP
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.PP
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The white balance is represented by multipliers for the red and blue channels
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The white balance is represented by multipliers for the red and blue channels
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Er and Eb (the defaults of 1.0 are equivalent to no\-change). 
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Er and Eb (the defaults of 1.0 are equivalent to no-change).
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.PP
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.PP
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A typical 'v' variable line configuration would look like this, i.e. optimise camera response curve and vignetting for image 0 and exposure for images 1, 2, 3 and 4:
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A typical 'v' variable line configuration would look like this, i.e. optimise camera response curve and vignetting for image 0 and exposure for images 1, 2, 3 and 4:
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.PP
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.PP
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.Vb 2
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.Vb 2
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\&  v Ra0 Rb0 Rc0 Rd0 Re0 Vb0 Vc0 Vd0
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\&  v Ra0 Rb0 Rc0 Rd0 Re0 Vb0 Vc0 Vd0
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\&  v Ev1 Ev2 Ev3 Ev4
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\&  v Ev1 Ev2 Ev3 Ev4
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.Ve
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.Ve
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.PP
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.PP
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(vignetting centre and white balance are left unchanged) 
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(vignetting centre and white balance are left unchanged)
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.SH "OPTIONS"
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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.IX Header "OPTIONS"
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General options:
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General options:
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.IP "\fB\-o\fR \fIfile\fR" 4
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.IP "\fB\-o\fR \fIfile\fR" 4
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.IX Item "-o file"
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.IX Item "-o file"

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