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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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```.nh
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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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```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"
```