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latexslideshow [2018/12/06 19:53] – abeverleylatexslideshow [2018/12/06 20:06] (current) – abeverley
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 +=====LatexSlideshow=====
 +
 I found myself in a situation recently, where somebody wanted to create a Powerpoint slideshow for a hundred or so photos, all with the same header and footer. I thought it might be a lot easier to produce the file using Latex, and indeed it was. This is what I did. I found myself in a situation recently, where somebody wanted to create a Powerpoint slideshow for a hundred or so photos, all with the same header and footer. I thought it might be a lot easier to produce the file using Latex, and indeed it was. This is what I did.
  
 The steps shown here include resizing and renaming the photos first. The steps shown here include resizing and renaming the photos first.
  
-I am assuming that you have all your images in the directory <tt>images</tt>+I am assuming that you have all your images in the directory ''%%images%%''
  
-==Resize photos==+===== Resize photos =====
  
-I used the Imagemagick <tt>mogrify</tt> command to bulk resize all the images. This command resizes all images to a maximum size of 1280x1024, but does not resize them if they are already smaller than that.+I used the Imagemagick ''%%mogrify%%'' command to bulk resize all the images. This command resizes all images to a maximum size of 1280x1024, but does not resize them if they are already smaller than that.
  
-  mogrify -resize 1280x1024\> images/*+''%%mogrify -resize 1280x1024\> images/*%%''
  
-==Rename files sequentially==+===== Rename files sequentially =====
  
-The following Perl script renames all the files sequentially. This makes it easier to include them in the Latex script. See [http://stackoverflow.com/questions/3211595/renaming-files-in-a-folder-to-sequential-numbers this Stackoverflow question] for more details.+The following Perl script renames all the files sequentially. This makes it easier to include them in the Latex script. See [[http://stackoverflow.com/questions/3211595/renaming-files-in-a-folder-to-sequential-numbers|this Stackoverflow question]] for more details.
  
-  #!/usr/bin/perl +<code> 
-   +#!/usr/bin/perl
-  use strict; +
-  use warnings; +
-   +
-  use File::Temp qw/tempfile/; +
-   +
-  my $dir = $ARGV[0] +
-      or die "Please specify directory as first argument"; +
-   +
-  opendir(my $dh, $dir) or die "can't opendir $dir: $!"; +
-   +
-  # First rename any files that are already numeric +
-  while (my @files = grep { /^[0-9]+(\..*)?$/ } readdir($dh)) +
-  { +
-      for my $old (@files) { +
-          my $ext = $old =~ /(\.[^.]+)$/ ? $1 : ''; +
-          my ($fh, $new) = tempfile(DIR => $dir, SUFFIX => $ext); +
-          close $fh; +
-          rename "$dir/$old", $new; +
-      } +
-  } +
-   +
-  rewinddir $dh; +
-  my $i; +
-  while (my $file = readdir($dh)) +
-  { +
-      next if $file =~ /\A\.\.?\z/; +
-      my $ext = $file =~ /(\.[^.]+)$/ ? $1 : ''; +
-      rename "$dir/$file", sprintf("%s/%s%s", $dir, ++$i, $ext);  +
-  }+
  
 +use strict;
 +use warnings;
 +
 +use File::Temp qw/tempfile/;
 +
 +my $dir = $ARGV[0]
 +    or die "Please specify directory as first argument";
 +
 +opendir(my $dh, $dir) or die "can't opendir $dir: $!";
 +
 +# First rename any files that are already numeric
 +while (my @files = grep { /^[0-9]+(\..*)?$/ } readdir($dh))
 +{
 +    for my $old (@files) {
 +        my $ext = $old =~ /(\.[^.]+)$/ ? $1 : '';
 +        my ($fh, $new) = tempfile(DIR => $dir, SUFFIX => $ext);
 +        close $fh;
 +        rename "$dir/$old", $new;
 +    }
 +}
 +
 +rewinddir $dh;
 +my $i;
 +while (my $file = readdir($dh))
 +{
 +    next if $file =~ /\A\.\.?\z/;
 +    my $ext = $file =~ /(\.[^.]+)$/ ? $1 : '';
 +    rename "$dir/$file", sprintf("%s/%s%s", $dir, ++$i, $ext); 
 +}
 +</code>
 Save the above script and run: Save the above script and run:
  
-  ./rename.pl images+''%%./rename.pl images%%''
  
 You should now have all your images as 1.jpg, 2.jpg and so on. You should now have all your images as 1.jpg, 2.jpg and so on.
  
-==Convert to slideshow PDF==+===== Convert to slideshow PDF ===== 
 + 
 +Save the following Latex script as ''%%slides.tex%%''. Comments being with a ''%%%%%''. 
 + 
 +<code> 
 +\documentclass{beamer} 
 +\usepackage[size=a4]{beamerposter} 
 +\usepackage{pdfpages} 
 + 
 +\usefonttheme{professionalfonts} % using non standard fonts for beamer 
 +\usefonttheme{serif} % default family is serif 
 +\usepackage{fontspec} 
 +\usepackage{pgffor} 
 +\setmainfont{Source Sans Pro Light} 
 + 
 +\usepackage{graphicx} 
 + 
 +\begin{document}
  
-Save the following Latex script as <tt>slides.tex</tt>. Comments being with a <tt>%</tt>.+% Uncomment the following to insert a title image without header and footer text 
 +%    \begin{frame} 
 +%    \transduration{1.5} 
 +%    \transglitter 
 +%    \begin{figure} 
 +%        \includegraphics[height=20cm]{another-image-file} 
 +%    \end{figure} 
 +%    \end{frame}
  
-  \documentclass{beamer} +\foreach \n in {1,...,11}{ 
-  \usepackage[size=a4]{beamerposter} +    \begin{frame} 
-  \usepackage{pdfpages} +    \transduration{1.5} % Duration between slides 
-   +    \transglitter % Transition effect 
-  \usefonttheme{professionalfonts} % using non standard fonts for beamer +%    \includegraphics{logo}\hspace{2cm} % Optional: add a logo at the top of each slide 
-  \usefonttheme{serif} % default family is serif +    {\LARGE\textbf{Here is a header for each page}}\newline 
-  \usepackage{fontspec} +    \begin{figure} 
-  \usepackage{pgffor} +        \includegraphics[height=14cm]{images/\n} 
-  \setmainfont{Source Sans Pro Light} +    \end{figure} 
-   +    Here is some small footer text 
-  \usepackage{graphicx} +    \end{frame} 
-   +}
-  \begin{document} +
-   +
-  % Uncomment the following to insert a title image without header and footer text +
-  %    \begin{frame} +
-  %    \transduration{1.5} +
-  %    \transglitter +
-  %    \begin{figure} +
-  %        \includegraphics[height=20cm]{another-image-file} +
-  %    \end{figure} +
-  %    \end{frame} +
-   +
-  \foreach \n in {1,...,11}{ +
-      \begin{frame} +
-      \transduration{1.5} % Duration between slides +
-      \transglitter % Transition effect +
-  %    \includegraphics{logo}\hspace{2cm} % Optional: add a logo at the top of each slide +
-      {\LARGE\textbf{Here is a header for each page}}\newline +
-      \begin{figure} +
-          \includegraphics[height=14cm]{images/\n} +
-      \end{figure} +
-      Here is some small footer text +
-      \end{frame} +
-  } +
-   +
-  \end{document}+
  
-Run the script. <tt>xelatex</tt> is used so that fonts can be used:+\end{document} 
 +</code> 
 +Run the script. ''%%xelatex%%'' is used so that fonts can be used:
  
-  xelatex slides.tex+''%%xelatex slides.tex%%''
  
-This will produce <tt>slides.pdf</tt>. This file can be opened with Adobe Acrobat and shown in full screen to see the slideshow with transitions. As much as I dislike the proprietary Adobe viewer, it does show the slideshow well, which not many other PDF viewers seem to support.+This will produce ''%%slides.pdf%%''. This file can be opened with Adobe Acrobat and shown in full screen to see the slideshow with transitions. As much as I dislike the proprietary Adobe viewer, it does show the slideshow well, which not many other PDF viewers seem to support.
  
latexslideshow.1544125995.txt.gz · Last modified: 2018/12/06 19:53 by abeverley