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+% \iffalse meta-comment
+%
+% This is the scalebar package, scalebar.dtx
+%
+% Copyright (C) 2003 by Michael Lake <mikel@speleonics.com.au>
+%
+% This file may be distributed and/or modified under the conditions of
+% the LaTeX Project Public License, either version 1.2 of this license
+% or (at your option) any later version.  The latest version of this
+% license is in:
+% 
+%    http://www.latex-project.org/lppl.txt
+% 
+% and version 1.2 or later is part of all distributions of 
+% LaTeX version 1999/12/01 or later.
+%
+%
+%<*driver>
+\ProvidesFile{scalebar.dtx}
+%</driver>
+%
+%
+%<package>\ProvidesPackage{scalebar}%
+           [2003/05/01 v1.0 Scalebars for maps and diagrams] 
+%<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+%<package>\RequirePackage{ifthen}
+%<package>\RequirePackage{calc}
+%<package>\RequirePackage{fp}
+%
+%<*driver>
+\documentclass{ltxdoc}
+\GetFileInfo{scalebar.dtx}
+\EnableCrossrefs         
+\CodelineIndex
+\RecordChanges
+%\OnlyDescription
+\begin{document}
+  \DocInput{scalebar.dtx}
+\end{document}
+%</driver>
+%
+% \fi
+%
+% \CheckSum{187}
+%
+% \CharacterTable
+%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%   Digits        \0\1\2\3\4\5\6\7\8\9
+%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%   Dollar        \$     Percent       \%     Ampersand     \&
+%   Acute accent  \'     Left paren    \(     Right paren   \)
+%   Asterisk      \*     Plus          \+     Comma         \,
+%   Minus         \-     Point         \.     Solidus       \/
+%   Colon         \:     Semicolon     \;     Less than     \<
+%   Equals        \=     Greater than  \>     Question mark \?
+%   Commercial at \@     Left bracket  \[     Backslash     \\
+%   Right bracket \]     Circumflex    \^     Underscore    \_
+%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%   Right brace   \}     Tilde         \~}
+%
+% \changes{v1.0}{2003/05/01}{Initial version}
+%
+% \DoNotIndex{
+% \newcounter,\setcounter,\addtocounter,\newlength,\setlength,
+% \else,\fi,\hfill,\hspace,\rule,\newcommand}
+%
+% \setlength{\parskip}{0.4\baselineskip}
+% \setlength{\parindent}{0pt}
+%
+% \title{The \textsf{scalebar} package}
+% \author{Michael Lake\\ \texttt{mikel@speleonics.com.au}}
+% \date{\fileversion{} -- \filedate}
+% \maketitle
+% 
+% 
+%
+% \section{Introduction}
+%
+% This document describes the \textsf{scalebar} package for \LaTeXe, which 
+% creates scalebars for maps, diagrams or photos. 
+% It was designed for use with cave maps, but
+% can be used for anything from showing a scalebar in kilometers for 
+% topographic maps to a scalebar in micrometers for 
+% an electron microscope image.
+%
+% Here is an example scalebar. 
+% See the scalebar\_examples file for further examples and possible uses.
+% 
+% ^^A In the scalebar below I have not used the \scalebar command
+% ^^A as the user would not have it yet to typeset the scalebar so I
+% ^^A have used two temporary commands to typeset some rules and created
+% ^^A the scalebar from those.
+% \newcommand{\tempA}[1]{\rule{#1}{2mm}\hspace{-#1}\raisebox{-2mm}{\rule{#1}{0.2mm}}}
+% \newcommand{\tempB}[1]{\raisebox{1.8mm}{\rule{#1}{0.2mm}}\hspace{-#1}\raisebox{-2mm}{\rule{#1}{2mm}}}
+% ^^A Now from the above two commands create a scalebar.
+% \raisebox{-2mm}{\rule{0.2mm}{4mm}}\tempA{5mm}\tempB{5mm}\tempA{5mm}\tempB{5mm}\tempA{20mm}\tempB{20mm}\tempA{20mm}\tempB{20mm}\raisebox{-2mm}{\rule{0.2mm}{4mm}}
+%
+% ^^A Scale the text manually. Normally \scalebar would do this for you.
+%\hspace{-0.5ex}0\hspace{1.85cm}2\hspace{1.8cm}4\hspace{1.85cm}6\hspace{1.8cm}8\hspace{1.75cm}10\,m
+%
+% \section{Usage}
+%
+%
+% \DescribeMacro{\scalebar}
+% The \textsf{scalebar} package defines one user command.
+% To use the command you write;
+%
+% |\scalebar|\oarg{inverse}\marg{length}\marg{minordivs}\marg{majordivs}\\
+% |                  |\marg{starting No.}\marg{ending No.}\marg{units}
+%  
+% \noindent where the six mandatory arguments are:
+%
+% \begin{tabular}{lp{9.5cm}}
+% \meta{length}&the desired length of the scalebar on paper 
+%               e.g.\ 10cm or 4in\\
+% \meta{minordivs}&number of minor divisions within the first major 
+%            division e.g.\ 4 (the first major division will always be 
+%            subdivided unless this value is set to 1)\\
+% \meta{majordivs}&number of major divisions e.g.\ 5 \\
+% \meta{starting No.}&the number that the scalebar text will start from 
+%       e.g.\ 0 or -0.5\\
+% \meta{ending No.}&the number that the scalebar text will end with 
+%       e.g.\ 2.5 or 25\\
+% \meta{units}&the units for the scalebar text e.g.\ $\mu$m or km.
+% \end{tabular}
+% \vspace{0.4\baselineskip}
+%
+% The optional argument \meta{inverse} reverses the black and white regions.
+% The default setting is for the top of the first bar to be black.
+%
+%
+% \newpage 
+% \section{Current Limitations and Future Enhancements}   
+% \begin{description}  
+% \item[Scalebar height/text ratio is hardcoded] 
+% The height of the black rules in the scalebars is |1.2ex| so it scales
+% with the current font height. This value seems about right but if you 
+% want a different height compared to the text height you will have to modify
+% the style file (modify |\SB@Height|). This could possibly be set as 
+% an optional argument to the package.
+% \item[Thickness of the thin rule is fixed] The thickness of the thin rule 
+% is set to 0.2\,mm. This seems about right. If you wish to change it is easy 
+% to modify the style file (|\SB@Thick|). 
+% \item[Number of decimal places is limited to one] Scalebars rarely display
+% more than one decimal place in the scalebar text. This package rounds the
+% decimals of the displayed text to one place. If you want two decimal places
+% you will have to modify the style file.
+% \end{description}  
+%
+% Please let me know if you encounter any problems.
+% If you have suggestions for extra options to add, then code for that 
+% would be appeciated.
+%
+%
+% \StopEventually{\PrintChanges \PrintIndex}
+%
+% \section{Implementation}
+%
+% First we have to decide how a scalebar is constructed.  Looking a a scalebar
+% one can see that it is made up of alternating black and white bars. It would
+% seem sensible therefore to define some sort of ``unit'' or ``building block''
+% that can be iterated any number of times to create a scalebar of arbitary
+% length and with an arbitary number of divisions.  The diagram below of a
+% scalebar and its deconstruction shows one way to break it up into units. 
+% \vspace{0.4\baselineskip}
+%
+% \raisebox{-2mm}{\rule{0.2mm}{4mm}}\tempA{5mm}\tempB{5mm}\tempA{5mm}\tempB{5mm}\tempA{20mm}\tempB{20mm}\tempA{20mm}\raisebox{-2mm}{\rule{0.2mm}{4mm}}
+% \vspace{0.6\baselineskip}
+%
+% \raisebox{-2mm}{\rule{0.2mm}{4mm}} \mbox{} 
+% \tempA{5mm} \mbox{} \tempB{5mm} \mbox{} \tempA{5mm} \mbox{} \tempB{5mm} \mbox{} 
+% \tempA{20mm} \mbox{} \tempB{20mm} \mbox{} \tempA{20mm} \mbox{} \raisebox{-2mm}{\rule{0.2mm}{4mm}}
+% \vspace{0.8\baselineskip}
+%
+% Looking at the parts above you can see there is a thin vertical rule at the
+% start of each scalebar. This is followed by repeating ``scalebar units'' each
+% one of which alternates in color. Finally there is a thin vertical rule to
+% close the end of the scalebar.
+%
+% I have therefore defined two scalebar units. The first one typesets the thick
+% black rule on the top.  After writing this rule we then move back
+% horizontally a distance equal to the width of the rule written. Then we write
+% the thinner rule underneath it by using a raisebox with a negative vertical
+% distance. This unit looks like this:
+%
+% \hspace{2em}\tempA{5mm}\ X%
+% \hspace{2em}(the X shows the position of the baseline)
+% \vspace{0.2\baselineskip}
+%
+% The second type of unit has the thick black rule on the bottom like this:
+%
+% \hspace{2em}\tempB{5mm}\ X
+% \vspace{0.2\baselineskip}
+%
+% By stringing these two types of units together within a while loop 
+% we can create our scalebars.
+% Let's now proceed to the start of the macro. 
+% 
+% \subsection{Required Packages}
+%
+% We have used the \textsf{fp} package to provide floating point calculations
+% and a rounding function via the |\FPupn| macro. The \textsf{calc} package 
+% provides an easy calculation syntax for simple subtraction of lengths.
+% The \textsf{ifthen} package provides the whiledo loop and the 
+% ifthenelse contruct.
+%
+% \subsection{Initialisation}
+% 
+% Note that we have to place a \% at the end of each command to suppress any 
+% whitespace. Otherwise the scalebar will ``break apart''.
+%
+% \begin{macro}{counters/lengths} 
+%
+% Define counters and lengths. 
+%
+% The first three mandatory arguments specify the length of the scalebar and
+% the numbers of the divisions. The arguments that specify the format of text
+% underneath the scalebar will be introduced later. 
+% 
+%    \begin{macrocode}
+\newlength{\SB@Length}%
+\newcounter{SB@majordivs}%
+\newcounter{SB@minordivs}%
+%    \end{macrocode}
+%
+% These are some further general counters and lengths.
+%
+%    \begin{macrocode}
+\newcounter{SB@evenodd}%
+\newcounter{SB@countup}%
+\newlength{\SB@Height}%
+\newlength{\SB@Thick}%
+\newlength{\SB@MajorWidth}%
+\newlength{\SB@MinorWidth}%
+\newlength{\SB@DivisionWidth}%
+\newlength{\SB@TextWidth}%
+%    \end{macrocode}
+% \end{macro}
+%
+%
+% Now define two small commands to typeset the two `scalebar units'. 
+%
+% \begin{macro}{\SB@unitT}
+%
+% This command typesets the unit with the thick black rule on the \emph{top}.
+%
+%    \begin{macrocode}
+\newcommand{\SB@unitT}{%
+\rule{\SB@DivisionWidth}{\SB@Height}\hspace{-\SB@DivisionWidth}%
+\raisebox{-\SB@Height}{\rule{\SB@DivisionWidth}{\SB@Thick}}}%
+%    \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\SB@unitB}
+%
+% This command typesets the thick black rule on the \emph{bottom}.
+%
+%    \begin{macrocode}
+\newcommand{\SB@unitB}{%
+\raisebox{\SB@Height-\SB@Thick}%
+{\rule{\SB@DivisionWidth}{\SB@Thick}}\hspace{-\SB@DivisionWidth}%
+\raisebox{-\SB@Height}{\rule{\SB@DivisionWidth}{\SB@Height}}}%
+%    \end{macrocode}
+% \end{macro}
+%
+%
+% \newpage
+% \subsection{The scalebar macro}
+%
+% \begin{macro}{\scalebar}
+% Start the scalebar command and process the command arguments. 
+%
+% \begin{macro}{args}
+% The first argument is an optional argument which is set to 
+% nothing as default. Normally the value 
+% of |SB@evenodd| is 0 which will result in the black rule of 
+% the first division being on top. If \meta{inverse} is set the
+% black rule will be set on the bottom.
+%
+%    \begin{macrocode}
+\newcommand{\scalebar}[7][]{%
+%
+\ifthenelse{\equal{inverse}{#1}}%
+{\setcounter{SB@evenodd}{1}}%
+{\setcounter{SB@evenodd}{0}}%
+%    \end{macrocode}
+%
+% Read in the next three mandatory arguments.
+%
+%    \begin{macrocode}
+\setlength{\SB@Length}{#2}%
+\setcounter{SB@minordivs}{#3}%
+\setcounter{SB@majordivs}{#4}%
+%    \end{macrocode}
+%
+% Define the number at which the text will start by |\SB@StartNo|; 
+% the number at which it will end by |\SB@EndNo| and the units the text 
+% represents by |\SB@TextUnits|. These are set to the last three mandatory 
+% arguments.  
+%
+%    \begin{macrocode}
+\def\SB@StartNo{#5}%
+\def\SB@EndNo{#6}%
+\def\SB@TextUnits{#7}%
+%    \end{macrocode}
+% \end{macro}
+%
+%
+% Set the height of the scalebar and thickness of the thin enclosing rule.
+%
+% Let the height of the thick black rule of a division be |\SB@Height| and set
+% it to a value related to the x-height of the current font.  This is because
+% we want the scalebar to increase in height if the user specifies a change in
+% font size.  It's set after the command begins rather than earlier as we want
+% it to pickup a font change immediately before the scalebar command if any.
+% The thin rule that encloses the divisions (|\SB@Thick|) will be hard coded to
+% 0.2\,mm. This was chosen as it looked about right :-)
+%
+%    \begin{macrocode}
+\setlength{\SB@Height}{1.2ex}%
+\setlength{\SB@Thick}{0.2mm}%
+%    \end{macrocode}
+%
+%
+% Calculate the lengths of the divisions. 
+%
+% Let's define |\SB@MajorWidth| to be the width (i.e.\ length) of a 
+% major division.
+% To calculate this we take the total scalebar length and divide by
+% the number of major divisions.
+% To calculate the length of a minor division, |\SB@MinorWidth|, we divide
+% the major division length just calculated by the number of minor divisions.
+%
+%    \begin{macrocode}
+\setlength{\SB@MajorWidth}{\SB@Length / \theSB@majordivs}%
+\setlength{\SB@MinorWidth}{\SB@MajorWidth / \theSB@minordivs}%
+%    \end{macrocode}
+%
+%
+%
+% \subsection{Drawing the scalebar}
+%
+% Now we can start placing ink to paper. 
+% Place onto the page the thin vertical rule at the start of the scalebar.
+% As it starts at the baseline we have to make it twice the height of 
+% |\SB@Height| and lower it by |\SB@Height|.
+%
+%    \begin{macrocode}
+\raisebox{-\SB@Height}{\rule{\SB@Thick}{2\SB@Height}}%
+%    \end{macrocode}
+%
+%
+% Use a while loop to place the minor divisions onto the page.  (Use a new
+% counter rather than decrementing minordivs variable.) Note
+% that we alternate between using the |\SB@unitT| or the |\SB@unitB| unit
+% depending on the value of the |SB@evenodd| variable.  That value
+% is set at the beginning and depends on the setting of the optional
+% \meta{inverse} argument.
+%
+%    \begin{macrocode}
+\setlength{\SB@DivisionWidth}{\SB@MinorWidth}% 
+\setcounter{SB@countup}{0}%
+\whiledo{\not\theSB@countup=\theSB@minordivs}{%
+\ifthenelse{\isodd{\value{SB@evenodd}}}{\SB@unitB}{\SB@unitT}%
+\addtocounter{SB@evenodd}{1}%
+\addtocounter{SB@countup}{1}}%
+%    \end{macrocode}
+%
+%
+% Now that the minor divisions are done we can write the major divisions. 
+%
+% Note that we have to reset the length of the rule from the 
+% current width of a minor division to the width of a major division.
+% Set the counter this time to start at 1 rather than 0 
+% as we have already written all the minor divisions which adds up 
+% to one major division.
+%
+%    \begin{macrocode}
+\setlength{\SB@DivisionWidth}{\SB@MajorWidth}% 
+\setcounter{SB@countup}{1}%
+\whiledo{\not\theSB@countup=\theSB@majordivs}{%
+\ifthenelse{\isodd{\value{SB@evenodd}}}{\SB@unitB}{\SB@unitT}%
+\addtocounter{SB@evenodd}{1}%
+\addtocounter{SB@countup}{1}}%
+%    \end{macrocode}
+%
+% Finally we have to print the thin vertical rule at the end. 
+%
+%    \begin{macrocode}
+\raisebox{-\SB@Height}{\rule{\SB@Thick}{2\SB@Height}}%
+%    \end{macrocode}
+%
+%
+% \subsection{Typesetting the scalebar numbers}
+%
+% Typesetting of the text underneath the scalebar requires three
+% pieces of information; the number at which the text will start, 
+% the number at which it will end and what units the text represents.
+% The numbering does not have to start at zero.
+%
+% Some scalebars will consist of integers only as in the text below.\\
+% 0\hspace{1.5cm}2\hspace{1.5cm}4\hspace{1.5cm}6\hspace{1.5cm}8\hspace{1.5cm}10\,km
+% 
+% Other scalebars will have decimals. Althought usually scalebars only show 
+% one decimal place at most. \\
+% -0.5\hspace{1.5cm}0\hspace{1.5cm}1.5\hspace{1.5cm}2.0\hspace{1.5cm}2.5\,cm
+%
+%
+% We now use macros provided by the fp.sty (fixed point)
+% package to perform some simple arithmetic and rounding. 
+%
+% Calculate how much we will increment the numbers by subtracting 
+% the starting and ending numbers (|SB@StartNo| and |SB@EndNo|) then dividing their difference by the 
+% number of major divisions. 
+%
+%    \begin{macrocode}
+\FPupn\SBIncrement%
+{\the\value{SB@majordivs} \SB@StartNo{} \SB@EndNo{} - /}%
+%    \end{macrocode}
+%
+%
+% Now we need to work out how many decimal places to display for the numbers.
+%
+% Start off with rounding set to none. If the calculated increment 
+% is an integer then don't do anything, otherwise set rounding on and 
+% round the increment to one decimal place. This would suffice for many 
+% variations of starting and ending number, however if the user entered
+% -0.5 to 2.5 for these values respectively then the increment (3.0) would be 
+% an integer and the rounding would be set to zero. In theses cases though
+% the starting and ending numbers must be non-integer thus by testing all three
+% numbers we can cover all cases.
+%
+%    \begin{macrocode}
+\def\SBRound{0}%
+\FPifint\SBIncrement%
+\else\def\SBRound{1}\FPupn\SBIncrement{\SBIncrement{} 1 round}\fi%
+\FPifint\SB@StartNo%
+\else\def\SBRound{1}\FPupn\SB@StartNo{\SB@StartNo{} 1 round}\fi%
+\FPifint\SB@EndNo%
+\else\def\SBRound{1}\FPupn\SB@EndNo{\SB@EndNo{} 1 round}\fi%
+%    \end{macrocode}
+%
+%
+% Now remember that we are at the end of the scalebar so to print the
+% text underneath we have to move back to the left and down.
+% Move left by a distance equal to the scalebar length (|\SB@Length|) 
+% plus a little bit more to take into account the thickness of the thin 
+% line at the start and end of the scalebar (|\SB@Thick|). 
+% Then move down by enough to place the
+% text at a nice distance below the scalebar. Remember that the distance
+% |\SB@Height| depends on the current font in a fixed ratio set earlier.
+%
+%    \begin{macrocode}
+\hspace{-\SB@Length}\hspace{-\SB@Thick}%
+\raisebox{-3\SB@Height}{%
+%    \end{macrocode}
+%
+% Now we are ready to print the numbers.
+% The length |\SB@TextWidth| contains the
+% width of the text that we are about to put to page. 
+% We need to calculate this so that we can fine position the center of 
+% the text to be exactly under the start of each major division.
+% Note how we use the value of |\SBRound| to set the number of 
+% decimal places in the text we typeset.
+%
+%    \begin{macrocode}
+\FPset\SBNextNo\SB@StartNo%
+\setcounter{SB@countup}{0}%
+\whiledo{\not\theSB@countup>\theSB@majordivs}{%
+\FPupn\SBNextNo{\SBNextNo{} \SBRound{} round}%
+\settowidth{\SB@TextWidth}{\SBNextNo}%
+\hspace{-0.5\SB@TextWidth}%
+\SBNextNo\hspace{-0.5\SB@TextWidth}\hspace{\SB@MajorWidth}%
+\FPupn\SBNextNo{\SBNextNo{} \SBIncrement{} add}%
+\addtocounter{SB@countup}{1}}%
+%    \end{macrocode}
+%
+% Now all the numbers are on the page we are nearly ready to append 
+% the scalebars units to the end. First though we have to move back 
+% by the distance |\SB@MajorWidth| as the last while loop added 
+% this unwanted space, then forward half of the width of the last 
+% number printed. 
+% Finally add a thin space and the units and finish the scalebar 
+% command with its closing brace.
+%
+%    \begin{macrocode}
+\hspace{-\SB@MajorWidth}\hspace{0.5\SB@TextWidth}\,\SB@TextUnits}%
+}%
+%    \end{macrocode}
+% \end{macro}
+%
+% That's the end of the macro.
+%
+% \section*{License}\label{sec:license}
+% This program may be distributed and/or modified under the
+% conditions of the \LaTeX\ Project Public License, either version 1.2
+% of this license or (at your option) any later version.
+% The latest version of this license is in
+%
+% \hspace{2em}http://www.latex-project.org/lppl.txt
+%
+% and version 1.2 or later is part of all distributions of \LaTeX \
+% version 1999/12/01 or later.
+%
+% This program consists of the files \textsf{scalebar.dtx} and
+% \textsf{scalebar.ins}
+%
+%
+% \section*{Acknowledgements}
+%
+% Thanks to the people on the \textsf{comp.text.tex} newsgroup for their 
+% help to me in developing this package. 
+%
+%
+% \Finale{\vspace{\baselineskip}\hfill\rule{3in}{0.1pt}\hfill}
+\endinput
diff --git a/Master/texmf-dist/source/latex/scalebar/scalebar.ins b/Master/texmf-dist/source/latex/scalebar/scalebar.ins
new file mode 100644
index 00000000000..af2287fba79
--- /dev/null
+++ b/Master/texmf-dist/source/latex/scalebar/scalebar.ins
@@ -0,0 +1,55 @@
+%%
+%% Copyright (C) 2003 by Michael Lake <mikel@speleonics.com.au>
+%%
+%% This file may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.2 of this license
+%% or (at your option) any later version.  The latest version of this
+%% license is in:
+%% 
+%%    http://www.latex-project.org/lppl.txt
+%% 
+%% and version 1.2 or later is part of all distributions of LaTeX version
+%% 1999/12/01 or later.
+%%
+
+\input docstrip.tex
+\askforoverwritefalse
+\keepsilent
+
+\usedir{tex/latex/misc/}
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 2003 by Michael Lake <mikel@speleonics.com.au>
+
+This file may be distributed and/or modified under the conditions of
+the LaTeX Project Public License, either version 1.2 of this license
+or (at your option) any later version.  The latest version of this
+license is in:
+ 
+   http://www.latex-project.org/lppl.txt
+ 
+and version 1.2 or later is part of all distributions of LaTeX version
+1999/12/01 or later.
+
+\endpreamble
+
+\generate{\file{scalebar.sty}{\from{scalebar.dtx}{package}}}
+
+\Msg{***************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{* \space\space scalebar.sty}
+\Msg{*}
+\Msg{* To produce the documentation run the file scalebar.dtx}
+\Msg{* through LaTeX.}
+\Msg{*}
+\Msg{* Happy TeXing}
+\Msg{***********************************************************}
+
+\endbatchfile
+