Bruno, thanks for your feedback on this.
I’ve modified you ptodouble to create ptoscale (see below). Will this work?
Feel free to do with this as you please.
> #!/usr/bin/perl
> use strict;
> use warnings;
> use Panotools::Script;
> use Getopt::Long;
> use Pod::Usage;
>
> my $scale_pair;
> my $path_output;
> my $help = 0;
>
> GetOptions (’s|scale=s’ => \$scale_pair,
> 'o|output=s' => \$path_output,
> 'h|help' => \$help);
>
> pod2usage (-verbose => 2) if $help;
>
> my $path_pto = shift || pod2usage;
> die "Can't find $path_pto" unless -e $path_pto;
>
> my @Ratio = split ('/', $scale_pair);
> my $R = $Ratio[0] / $Ratio[1];
>
> my $p = new Panotools::Script;
> $p->Read ($path_pto);
>
> $p->Panorama->{w} *= $R;
> $p->Panorama->{h} *= $R;
>
> for my $i (@{$p->Image})
> {
> $i->{w} *= $R;
> $i->{h} *= $R;
> $i->{d} *= $R if $i->{d} =~ /^[-0-9.]+$/;
> $i->{e} *= $R if $i->{e} =~ /^[-0-9.]+$/;
> $i->{Vx} *= $R if $i->{Vx} =~ /^[-0-9.]+$/;
> $i->{Vy} *= $R if $i->{Vy} =~ /^[-0-9.]+$/;
>
> if (defined $i->{S})
> {
> my @S = split (',', $i->{S});
> @S = map {int ($_ * $R)} @S;
> $i->{S} = join ',', @S;
> }
> }
>
> for my $c (@{$p->Control})
> {
> $c->{x} *= $R;
> $c->{y} *= $R;
> $c->{X} *= $R;
> $c->{Y} *= $R;
> }
>
> for my $k (@{$p->Mask})
> {
> my $string = $k->{p};
> $string =~ s/"//g;
> my @p = split (' ', $string);
> @p = map {int ($_ * $R)} @p;
> $k->{p} = '"'. (join ' ', @p) .'"';
> }
>
> $p->Write ($path_output);
>
> exit 0;
>
> __END__
>
> =head1 NAME
>
> ptoscale - rescale a panorama project
>
> =head1 SYNOPSIS
>
> ptoscale [options] --output scaled.pto project.pto
>
> Options:
> -s | --scale Scale ratio (in the format m/n; m = new long side, n =
> old long side)
> -o | --output Filename of scaled project (can be the the same as the
> input)
> -h | --help Outputs help documentation
>
> =head1 DESCRIPTION
>
> B<ptoscale> takes a hugin .pto project and scales all pixel dimensions by the
> ratio given (--scale).
> You will need to rescale the photos to match:
>
> mogrify -geometry {m/n}% *.JPG
>
> Note, this tool is useful in conjunction with the L<ptodouble> and
> L<ptohalve> tools which
> perform the specific scaling of 2 and 0.5 respectively.
>
> =head1 LICENSE
>
> This program is free software; you can redistribute it and/or
> modify it under the terms of the GNU General Public License
> as published by the Free Software Foundation; either version 2
> of the License, or (at your option) any later version.
>
> =head1 SEE ALSO
>
> L<http://hugin.sourceforge.net/>
>
> L<ptodouble>
>
> L<ptohalve>
>
> =head1 AUTHOR
>
> Donald Johnston; modified from Bruno Postle’s ptodouble - July 2016.
>
> =cut
> On Jul 9, 2016, at 4:48 PM, Bruno Postle <[email protected]> wrote:
>
>
>
> On 9 July 2016 23:15:04 BST, Donald Johnston wrote:
>> is there a script or program available that can scale the parameters in
>> a PTO file?
>
> See ptohalve and prodouble in the Panotools:: Script Perl module, these
> mostly do what you want.
>
> --
> Bruno
>
> --
> A list of frequently asked questions is available at:
> http://wiki.panotools.org/Hugin_FAQ
> ---
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--
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