spie

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+%% spie.cls - Version 2.8
+%% LaTeX2e class file to format manuscript for SPIE Proceedings
+
+% History
+% Prepared by Rick Zaccone <zaccone@bucknell.edu> on 6/3/91.
+% Modified by Adrian F Clark <alien@uk.ac.essex> 11-Jan-1992.
+% Modified by Ken Hanson <kmh@lanl.gov>  April, 1995
+% Modified by Ken Hanson <kmh@lanl.gov>  June 23, 1997
+% Modified by Ken Hanson <kmh@lanl.gov>  Nov. 3, 1997
+% Modified by Ken Hanson <kmh@lanl.gov>  Dec. 10, 1997
+% Modified by Ken Hanson <kmh@lanl.gov>  Mar. 8, 1998
+% Modified by Ken Hanson <kmh@lanl.gov>  July 18, 2001
+% Modified by Guenter Milde <G.Milde@physik.tu-dresden.de>  
+%   August 1, 2001
+%  Convert to LaTex2e class and added option a4paper
+% Modified by Ken Hanson <kmh@lanl.gov>  August 29, 2001
+%  Update SPIE format, including new text field: 6.75 in by 8.75 in
+%  citesort.sty embedded to facilitate concatenation of citations.
+%  However, citesort may lead to problems when used with babel, 
+%   in which case it should be removed from this file.
+% 2.70 Modified by Ken Hanson <kmh@lanl.gov>  August 29, 2002
+%  Remove tabular in maketitle to properly handle long author list.
+%  Use of \and in \author{} will start new line after inserting a
+%    blank line.
+%  Remove a4 option, leaving standard a4paper option in place.
+%  Remove \hoffset and \voffset commands.  Defaults are again zero.
+% 2.71 Modified by Ken Hanson <kmh@lanl.gov>  Sept. 18, 2002
+%  Correct short figure caption format, replacing : with .  Thanks Mats.
+% 2.8 Modified by Ken Hanson <kmh2@lanl.gov>  July 16, 2003
+%  Margins changed to match SPIE's new specs.
+%
+%%%%%%%%%%%%%%%%%%%%%%%%
+% Usage:
+% \documentclass[]{spie}
+% \documentclass[a4paper]{spie}  %% use this for A4 paper
+%
+% This style file does not automatically implement all the formatting
+%  required for an SPIE manuscript.  The user must make a few 
+%  manual adjustments For proper formatting, such as:
+% 1. Title and subsubsection should be in lower case 
+%    except for the first letter and proper nouns or acronyms
+% 2. Subsection headings should be capitalized as for book titles
+% 3. Format authors as follows
+%    \author{author1\supit{a}, author2\supit{b}, and author3\supit{c} \skiplinehalf
+%            \supit{a}affiliation1\\
+%            \supit{b}affiliation2\\
+%            \supit{c}affiliation3
+%           }
+%
+%%%  Note: \skiplinehalf and \supit{} are defined in this class
+% ------------------------------------------------------------
+%% based on standard LaTeX article class --
+%% need to define font Size Option inside spie.cls
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesClass{spie}[2003/07/16 v2.80 SPIE Proceedings class]
+
+\LoadClassWithOptions{article}  % build on standard article class
+
+\DeclareOption{a4paper}{%
+   \AtEndOfClass{%
+       \oddsidemargin -0.61cm     % for side margins of 2cm
+       \evensidemargin -0.61cm    % for side margins of 2cm
+       \typeout{a4paper used}
+       }
+   }
+%\DeclareOption{a4}{%    %% non-standard option
+%   \AtEndOfClass{%
+%       \oddsidemargin -0.61cm    % for side margins of 2cm
+%       \evensidemargin -0.61cm   % for side margins of 2cm
+%       \typeout{a4 used}
+%       }
+%   }
+\ProcessOptions\relax      % set margins for a4paper if specified
+
+%% type out specified font size
+\if0\@ptsize\typeout{ten-point font}\fi
+\if1\@ptsize\typeout{eleven-point font}\fi
+\if2\@ptsize\typeout{twelve-point font}\fi
+
+%% page format (see "Sample manuscript showing specifications and style")
+%% following based on default top and left offset of 1 inch = 25.4mm
+\topmargin 0.0in                % for top margin of 1.00in
+%% the next two side margins are for US letter paper 
+%% and are overridden by the a4paper option
+\oddsidemargin -0.125in           % for side margin of 0.875 in
+\evensidemargin -0.125in          % for side margin of 0.875 in
+%
+\textheight 8.74in                % approx 22.2 cm
+\textwidth 6.75in                 % approx 17.1 cm
+\headheight 0in \headsep 0in      % avoid extra space for header
+\pagestyle{empty}                 % no page numbers is default
+\parskip 1ex plus 1ex minus 0.3ex % spacing between paragraphs
+\date{}                           % avoid date
+
+%%  space for floats - figures and tables
+\floatsep 0.9ex plus 0.3ex minus 0.6ex 
+\textfloatsep 4ex plus 3ex minus 1.5ex
+\renewcommand{\textfraction}{0.10} 
+\renewcommand{\floatpagefraction}{0.60} 
+\renewcommand{\topfraction}{0.90} 
+\renewcommand{\bottomfraction}{0.90}
+\setcounter{totalnumber}{3} 
+\setcounter{topnumber}{2} 
+\setcounter{bottomnumber}{2} 
+
+
+%%%% useful definitions %%%%
+\def\skiplinehalf{\medskip\\}
+\def\skipline{\\}
+\def\exspace{\vspace{1ex}}
+% superscript in italics, 
+% to cross reference author and affiliations
+\def\supit#1{\raisebox{0.8ex}{\small\it #1}\hspace{0.05em}}  
+
+
+%%%%  define \ample font size %%%%
+%% 10% larger than \normalsize for 10 pt, 
+%% but smaller than \large
+\if0\@ptsize
+   \def\ample{\@setsize\large{12pt}\xipt\@xipt}
+\else
+   \def\ample{\large}
+\fi  
+
+%%%% define title aspects %%%%
+\def\titlefont{\normalfont\LARGE\bfseries}  %% insurance
+\if0\@ptsize
+   \font\titlefont = cmbx12 at 16truept  % 10pt
+\else
+   \def\titlefont{\LARGE\bf}             % other
+\fi
+
+\def\title#1{\gdef\@title{\titlefont #1}}
+
+\def\authorinfo#1{\gdef\@authorinfo{#1}}
+\authorinfo{}     %% default is empty
+
+\def\maketitle{\par 
+ \begingroup
+   \def\thefootnote{\fnsymbol{footnote}}%
+   \def\@makefnmark{\hbox
+       to\z@{$\m@th^{\@thefnmark}$\hss}}%
+   \if@twocolumn
+     \twocolumn[\@maketitle]%
+     \else \newpage
+     \global\@topnum\z@
+     \@maketitle \fi     
+     \@thanks
+ \endgroup
+ \let\maketitle\relax
+ \let\@maketitle\relax
+ \gdef\@thanks{}\gdef\@author{}\gdef\@title{}\let\thanks\relax
+
+%%%%  define footnote attributes %%%%
+\renewcommand{\footnotesize}{\small}  % enlarge footnote font to small
+\renewcommand{\thefootnote}{\fnsymbol{footnote}}
+\ifx\@authorinfo\empty \else\footnotetext[0]{\@authorinfo}\fi      
+%% use zero to avoid footnote mark
+\renewcommand{\thefootnote}{\fnsymbol{footnote}}  
+%% use footnote symbols, not numbers
+}
+
+% redefine \and for author list because \tabular was removed
+\def\and{\bigskip\\}    
+ 
+\def\@maketitle{\newpage
+ \null
+% move title to top of page 
+\if0\@ptsize\vspace{-10mm}\else\vspace{-12mm}\fi
+ \begin{center}%
+  {\setlength{\baselineskip}{4.3ex} \@title \par}
+  \vskip 3.5mm 
+  {\large        % author and organization font size 
+   \@author \par}   % remove tabular used in article.cls
+  \vskip 1.5ex	
+  {\large \@date}%
+ \end{center}%
+ \par
+}
+
+
+%%%% section aspects %%%%
+% all headings bold
+% center section headings, ample size
+\def\sectfont{\centering\ample\bf}
+% sub- and subsubsection headings flush left
+\def\subsectfont{\raggedright\ample\bf}
+\def\subsubsectfont{\raggedright\normalsize\bf}
+\def\append{0}
+
+\def\section{\@startsection{section}{1}{\z@}
+   {-2.5ex plus -1ex minus -0.5ex}{0.2ex plus 0.5ex minus 0ex}{\sectfont}} 
+\def\subsection{\@startsection{subsection}{2}{\z@}
+   {-1.5ex plus -1ex minus -0.5ex}{0.1ex plus 0.1ex minus 0.1ex}{\subsectfont}}
+\def\subsubsection{\@startsection{subsubsection}{3}{\z@}
+   {-1ex plus -1ex minus -0.5ex}{0.1ex plus 0.1ex}{\subsubsectfont}}
+
+%% from latex.sty 
+%% \@sect{NAME}{LEVEL}{INDENT}{BEFORESKIP}{AFTERSKIP}
+%% {STYLE}[ARG1]{ARG2}
+\def\@sect#1#2#3#4#5#6[#7]#8{\ifnum #2>\c@secnumdepth
+     \let\@svsec\@empty\else
+     \refstepcounter{#1}\edef\@svsec{\csname the#1\endcsname.\hskip 0.3em plus 0.3em}\fi
+     \@tempskipa #5\relax
+      \ifdim \@tempskipa>\z@
+       \begingroup #6\relax
+          \ifnum #2=1
+%%(kmh) in appendix, add word appendix in front of section number  
+             \ifnum \append=1 {\interlinepenalty \@M 
+	        APPENDIX \@svsec\uppercase{#8}\par}
+	     \else {\interlinepenalty \@M \@svsec\uppercase{#8}\par}
+	     \fi
+	  \else\ifnum #2=2
+             \noindent{\interlinepenalty \@M \@svsec #8\par}
+	  \else
+             \noindent{\interlinepenalty \@M \@svsec #8\par}
+	       \fi
+	  \fi
+       \endgroup
+       \csname #1mark\endcsname{#7}\addcontentsline
+         {toc}{#1}{\ifnum #2>\c@secnumdepth \else
+                      \protect\numberline{\csname the#1\endcsname}\fi
+                    #7}\else
+        \def\@svsechd{#6\hskip #3\relax  %% \relax added 2 May 90
+                   \@svsec #8\csname #1mark\endcsname
+                      {#7}\addcontentsline
+                           {toc}{#1}{\ifnum #2>\c@secnumdepth \else
+                             \protect\numberline{\csname the#1\endcsname}\fi
+                       #7}}\fi
+     \@xsect{#5}}
+
+%%%%% Special sections %%%%%
+\def\abstract{\section*{ABSTRACT}}
+\def\endabstract{}
+
+% Keywords
+\def\keywords#1{
+\par\vspace{0.5ex}{\noindent\normalsize\bf Keywords:} #1
+\vspace{0.5ex}   %% provide extra space before first section
+}
+
+\def\acknowledgments{\section*{ACKNOWLEDGMENTS}}
+\def\endacknowledgments{}
+% Old spelling - acceptable, but not preferred
+\def\acknowledgements{\section*{ACKNOWLEDGMENTS}}
+\def\endacknowledgements{}
+
+%%%% references %%%%
+% Give the references section a section number
+\def\thebibliography#1{\section*{REFERENCES\@mkboth
+ {REFERENCES}{REFERENCES}}\list
+ {\arabic{enumi}.}
+ {\settowidth\labelwidth{[#1]}\leftmargin\labelwidth
+ \advance\leftmargin\labelsep \usecounter{enumi}}
+ \def\newblock{\hskip .11em plus .33em minus .07em}
+  %% reduce vspace between items
+  \parskip -0.7ex plus 0.5ex minus 0ex   
+\if0\@ptsize\else\small\fi      %% smaller fonts
+ \sloppy\clubpenalty4000\widowpenalty4000
+ \sfcode`\.=1000\relax}
+\let\endthebibliography=\endlist
+
+
+%%%% Add theorem, lemma, and definition environments %%%%
+% kmh - noindent
+\def\@begintheorem#1#2{
+   \par\noindent\bgroup{\sc #1\ #2. }\it\ignorespaces}
+\def\@opargbegintheorem#1#2#3{
+   \par\bgroup{\sc #1\ #2\ (#3). }\it\ignorespaces}
+\def\@endtheorem{\egroup}
+\def\proof{\par{\it Proof}. \ignorespaces}
+\def\endproof{{\ \vbox{\hrule\hbox{%
+   \vrule height1.3ex\hskip0.8ex\vrule}\hrule
+  }}\par}
+\newtheorem{theorem}{Theorem}[section]
+\newtheorem{lemma}[theorem]{Lemma}
+\newtheorem{definition}[theorem]{Definition}
+
+%%%% Figure and table captions %%%
+\long\def\@makecaption#1#2{%     % from article.cls
+  \vskip\abovecaptionskip
+  \sbox\@tempboxa{{\footnotesize\bf #1.\ }{\footnotesize #2}}%
+  \ifdim \wd\@tempboxa >\hsize   % bold with period
+    {\footnotesize\bf #1.\ }{\footnotesize #2 \par}
+  \else
+    \global \@minipagefalse
+    \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
+  \fi
+  \vskip\belowcaptionskip}
+
+%%%% appendix aspects %%%% 
+% use \appendix to start an appendix
+% use \section{} for each appendix section
+\def\appendix{\def\append{1}
+  \par
+  \setcounter{section}{0}
+  \setcounter{subsection}{0}
+  \setcounter{subsubsection}{0}
+  \def\thesection{\Alph{section}}  
+  \def\thesubsection{\Alph{section}.\arabic{subsection}}
+\def\thesubsubsection{
+\Alph{section}.\arabic{subsection}.\arabic{subsubsection}}
+}
+
+
+%%%% Citations are superscripts (from aip.sty) %%%%
+\def\@cite#1#2{\unskip\nobreak\relax
+    \def\@tempa{$\m@th^{\hbox{\the\scriptfont0 #1}}$}%
+    \futurelet\@tempc\@citexx}
+\def\@citexx{\ifx.\@tempc\let\@tempd=\@citepunct\else
+    \ifx,\@tempc\let\@tempd=\@citepunct\else
+    \let\@tempd=\@tempa\fi\fi\@tempd}
+\def\@citepunct{\@tempc\edef\@sf{
+    \spacefactor=\the\spacefactor\relax}\@tempa
+    \@sf\@gobble}
+
+% \citenum emits the plain citation number without ornament
+% \citea puts its argument into the ornamentation for citations
+% thus \cite{foo} is equivalent to \citea{\citenum{foo}}
+\def\citenum#1{{\def\@cite##1##2{##1}\cite{#1}}}
+\def\citea#1{\@cite{#1}{}}
+
+% Collapse citation numbers to ranges.  Non-numeric and undefined labels
+% are handled.  No sorting is done.  E.g., 1,3,2,3,4,5,foo,1,2,3,?,4,5
+% gives 1,3,2-5,foo,1-3,?,4,5
+\newcount\@tempcntc
+\def\@citexzzz[#1]#2{\if@filesw\immediate\write\@auxout{\string\citation{#2}}\fi
+  \@tempcnta\z@\@tempcntb\m@ne\def\@citea{}\@cite{\@for\@citeb:=#2\do
+    {\@ifundefined
+       {b@\@citeb}{\@citeo\@tempcntb\m@ne\@citea\def\@citea{,}{\bf ?}\@warning
+       {Citation `\@citeb' on page \thepage \space undefined}}%
+    {\setbox\z@\hbox{\global\@tempcntc0\csname b@\@citeb\endcsname\relax}%
+     \ifnum\@tempcntc=\z@ \@citeo\@tempcntb\m@ne
+       \@citea\def\@citea{,}\hbox{\csname b@\@citeb\endcsname}%
+     \else
+      \advance\@tempcntb\@ne
+      \ifnum\@tempcntb=\@tempcntc
+      \else\advance\@tempcntb\m@ne\@citeo
+      \@tempcnta\@tempcntc\@tempcntb\@tempcntc\fi\fi}}\@citeo}{#1}}
+\def\@citeozzz{\ifnum\@tempcnta>\@tempcntb\else\@citea\def\@citea{,}%
+  \ifnum\@tempcnta=\@tempcntb\the\@tempcnta\else
+   {\advance\@tempcnta\@ne\ifnum\@tempcnta=\@tempcntb \else \def\@citea{--}\fi
+    \advance\@tempcnta\m@ne\the\@tempcnta\@citea\the\@tempcntb}\fi\fi}
+
+
+% begin citesort.sty
+% A replacement for \@citex which sorts citation numbers as well as
+% compressing and allowing breaks.  Based on cite.sty by Donald
+% Arseneau.
+%
+% for use in LaTeX say, \documentstyle[...,citesort,...]{...}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%     Allow, but strongly discourage, line breaks within a long
+%     series of citations.  Compress lists of successive numbers
+%     to one number range, e.g., 5,6,7,8,9 --> 5--9.  Compatible
+%     with versions of \@cite that use exponents.
+%              -- Donald Arseneau  1989
+%
+% Modified to sort the numbers so they come out in increasing order,
+% regardless of the way they appear in the source. O(N^2) sort!
+% Ian Green, CUED, 10-Dec-1991.  Improvements to img@eng.cam.ac.uk
+% please. Version 1
+
+\newcount\@minsofar
+\newcount\@min
+\newcount\@cite@temp
+\def\@citex[#1]#2{%
+\if@filesw \immediate \write \@auxout {\string \citation {#2}}\fi
+\@tempcntb\m@ne \let\@h@ld\relax \def\@citea{}%
+\@min\m@ne%
+\@cite{%
+  \@for \@citeb:=#2\do {\@ifundefined {b@\@citeb}%
+    {\@h@ld\@citea\@tempcntb\m@ne{\bf ?}%
+    \@warning {Citation `\@citeb ' on page \thepage \space undefined}}%
+{\@minsofar\z@ \@for \@scan@cites:=#2\do {%
+  \@ifundefined{b@\@scan@cites}%
+    {\@cite@temp\m@ne}
+    {\@cite@temp\number\csname b@\@scan@cites \endcsname \relax}%
+\ifnum\@cite@temp > \@min% select the next one to list
+    \ifnum\@minsofar = \z@
+      \@minsofar\number\@cite@temp
+      \edef\@scan@copy{\@scan@cites}\else
+    \ifnum\@cite@temp < \@minsofar
+      \@minsofar\number\@cite@temp
+      \edef\@scan@copy{\@scan@cites}\fi\fi\fi}\@tempcnta\@min
+  \ifnum\@minsofar > \z@ % some more
+    \advance\@tempcnta\@ne
+    \@min\@minsofar
+    \ifnum\@tempcnta=\@minsofar %   Number follows previous--hold on to it
+      \ifx\@h@ld\relax
+        \edef \@h@ld{\@citea\csname b@\@scan@copy\endcsname}%
+      \else \edef\@h@ld{\ifmmode{-}\else--\fi\csname b@\@scan@copy\endcsname}%
+      \fi
+    \else \@h@ld\@citea\csname b@\@scan@copy\endcsname
+          \let\@h@ld\relax
+  \fi % no more
+\fi}%
+\def\@citea{,\penalty\@highpenalty\,}}\@h@ld}{#1}}
+% end of citesort.sty
+
+%% end of spie.cls
\ No newline at end of file