%%% Style file for WSCG conferences
%%%
%%% Author: Gabriel Zachmann, Oct 2004, Oct 2005
%%%
%%% Includes packages: sectsty, footmisc, pslatex, caption2, flushend,
%%%                    fix2col, ifpdf

%%% Usage:
%%%
%%% \documentclass{article}
%%% \usepackage{wscg}
%%% \usepackage{nopageno}
%%%
%%% \begin{document}
%%% \twocolumn[{\csname @twocolumnfalse\endcsname
%%% \maketitle  % full width title
%%% \begin{abstract}
%%% ...
%%% \end{abstract}
%%% \subparagraph{Keywords:}
%%% Normal orientation, mesh repair, visibility, patch connectivity, CAD tools.
%%% \vspace*{1.0\baselineskip}
%%% }]
%%% \section{Introduction}
%%% \copyrightspace
%%% 
%%% Making sure that the printing workflow (in particular, margins) is ok,
%%% go to http://www.ctan.org/tex-archive/macros/latex/contrib/IEEEtran/testflow/
%%%
%%% Bugs:
%%% -  Doesn't work with natbib.sty
%%%

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}

\RequirePackage{ifpdf}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                Page layout

\ifpdf
\usepackage[a4paper,pdftex,verbose]{geometry}
\else
\usepackage[a4paper,dvips,verbose]{geometry}
\fi
% option 'dvips' tells dvips what paper size it should assume
% option 'twoside' will swap these for odd pages.
% option 'showframe' shows boxes for text body and header/footer.
\geometry{left=25mm,right=25mm,top=25mm,bottom=35mm,noheadfoot}

\twocolumn


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                Copyright box


%%% The 1" box in the lower left corner for copyright notice
%%% Copied from sig-alt-full.cls and modified a little
\def\ftype@copyrightbox{8}
\def\copyrightspace#1#2#3{
\@float{copyrightbox}[b]
\setlength{\unitlength}{1mm}
\begin{picture}(76,28) % space for copyright notice, size is in mm
\renewcommand{\baselinestretch}{0.9}
\put(-2,0){
\framebox{\parbox[b]{77mm}{\footnotesize 
Permission to make digital or hard copies of all or part of this work for
personal or classroom use is granted without fee provided that copies are
not made or distributed for profit or commercial advantage and that copies
bear this notice and the full citation on the first page.  To copy
otherwise, or republish, to post on servers or to redistribute to lists,
requires prior specific permission and/or a fee.\\ \par
\textsl{WSCG #2 conference proceedings, ISBN #1\\
\textbf{WSCG'#2, #3, #2}\\
Plzen, Czech Republic}.\\
Copyright UNION Agency -- Science Press
}}
}
\end{picture}
\end@float}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                             Font


% Times (urgh; see /usr/share/texmf/doc/latex/psnfss/psnfss2e.pdf)
\usepackage{mathptmx}
\usepackage[scaled=.92]{helvet}
%\usepackage{avant}
\usepackage{courier}
%\linespread{1.1}		% changes leading


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                             My Layout




%
% Document layout parameters
%

\widowpenalty 10000			% prevent last line of para on first line of page
\displaywidowpenalty 10000	% dunno what this does
\clubpenalty 10000			% prevent first line of para on last line of page
%\@beginparpenalty 10000		% prohibit breaks at the beginning of all lists
% hmm, bin mir nicht sicher, dass das nicht noch mehr macht ..
\tolerance 500				% prevent too many overfull hboxes

\parindent 0.75\baselineskip
\addtolength{\columnsep}{1ex}

%
%   Parameters dealing with placement and layout of floats
%

\renewcommand{\topfraction}{.8}
\renewcommand{\bottomfraction}{.8}
\renewcommand{\textfraction}{0.1}
\renewcommand{\dbltopfraction}{\topfraction}
\renewcommand{\floatpagefraction}{0.8}
\renewcommand{\dblfloatpagefraction}{\floatpagefraction}

\setlength\floatsep{10\p@ \@plus 4\p@ \@minus 2\p@}
\setlength\dblfloatsep\floatsep

\setcounter{topnumber}{4}     % vorher: 2
\setcounter{dbltopnumber}{4}
\setcounter{bottomnumber}{2}  % vorher: 1
\setcounter{totalnumber}{5}   % vorher: 3

%   Skips (tweaked already for tighter layout, assuming 10pt body font)
\abovedisplayskip \z@ \@plus2pt \@minus3pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ \@plus2pt
\belowdisplayshortskip \abovedisplayshortskip


%
%  Footnotes
%

%  decrease the space between the footnote mark and the preceding
%  punctuation a little bit, but only, if the preceding char is really a
%  punctuation. The def of \@footnotemark is stolen from latex.ltx.
\def\@footnotemark{%
  \leavevmode
  \ifhmode\edef\@x@sf{\the\spacefactor}\nobreak\fi
  \ifnum\spacefactor>1200 \kern-.1em\fi% <- added
  \@makefnmark
  \ifhmode\spacefactor\@x@sf\fi
  \relax}

%  bottom = set footnotes at bottom of page even with \raggedbottom
%  marginal = set footnote mark in the margin
%  stable = treat footnotes in section titles correctly
%  multiple = treat multiple consecutive footnotes correctly
\usepackage[bottom,marginal,stable,multiple]{footmisc}
\footnotemargin -0.6em

%  Aus: Axel Reichert, typography.ps ("Typographie -- Gestaltung einer
%  Beispielklasse"), S.58
\setlength{\skip\footins}{14.5pt plus 4pt minus 2pt}
\renewcommand{\footnoterule}{\kern -5pt \hrule width 4cc \kern 4.6pt}


%
%  Blank headers/footers in empty pages
%  (is better when typesetting books, where chapters always start on odd
%  pages).
%  Copied from .../teTeX/share/texmf/tex/latex/base/latex.ltx
%  and modified according to fancyhdr.dvi

\def\cleardoublepage{\clearpage\if@twoside \ifodd\c@page\else
	\thispagestyle{empty}
    \hbox{}\newpage\if@twocolumn\hbox{}\newpage\fi\fi\fi}




%
%  We must load myalgorithm.sty before caption2.sty,
%  because myalgorithm loads float.sty, which must be loaded
%  before caption2!
%

\RequirePackage[noend]{myalgorithm}          % must come after hyperref
%\RequirePackage[noend,small]{myalgorithm}



% Figure captions in sans-serif small
% [Center last line of captions]
% A little bit less space between caption and figure
%

% SVEN HAVEMANN: caption2 is apparently obsolete [2007]
% \RequirePackage{caption2}
% \RequirePackage{caption}
%\usepackage[centerlast]{caption}
% \renewcommand{\captionfont}{\sffamily}

\setlength\abovecaptionskip{0.15\baselineskip}
\setlength{\belowcaptionskip}{-2mm}


% Flush two columns vertically on last page
%\usepackage{flushend}




%
%   Fix miscellaneous two column mode "features"
%

\usepackage{fix2col}


%
%   Put list item bullets and enumeration numbers flush with the left margin
%   Does not work with mylatex.ltx!
%

\renewcommand\@mklab[1]{#1\hfil}
\let\DefaultMakelabel\@mklab
\g@addto@macro\enumerate{\let\makelabel\DefaultMakelabel}
\g@addto@macro\itemize{\let\makelabel\DefaultMakelabel}

\settowidth{\labelwidth}{0.}
\setlength{\leftmargini}{\labelwidth}
\addtolength{\leftmargini}{\labelsep}
% for equal steps:
\setlength{\leftmarginii}{\leftmargini}
\setlength{\leftmarginiii}{\leftmargini}
\setlength{\itemindent}{0pt}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                     Redefinitionn of some commands
%
%   Redefine \paragraph and \subparagraph,
%   because I don't like the standard LaTeX def.
%
%    BEFORESKIP : Absolute value = skip to leave above the heading.
%                 If negative, then paragraph indent of text following
%                 heading is suppressed.
%    AFTERSKIP  : if positive, then skip to leave below heading, else
%                 negative of skip to leave to right of run-in heading.


% allow section headings a certain amount of "raggedness"
% reduce the "plus" component to get less raggedness and more hyphenation
\newcommand{\wscgraggedright}{
\@rightskip\z@ plus 2ex
\rightskip\@rightskip
\pretolerance=1
\hyphenpenalty=1 \exhyphenpenalty=1
}

\renewcommand\section{\@startsection{section}{1}{\z@}%
				   {-1.9ex \@plus -1.5ex \@minus -1ex}%
				   {1.0ex \@plus.5ex}%
				   {\normalfont\large\bfseries\wscgraggedright\MakeUppercase}}

\renewcommand\subsection{\@startsection{subsection}{2}{\z@}%
				   {-1.5ex\@plus -1ex \@minus -1ex}%
				   {1.0ex \@plus .5ex}%
				   {\normalfont\large\bfseries\wscgraggedright}}

\renewcommand{\paragraph}{\@startsection{paragraph}%    % the name
 {4}%                                                   % the level
 {0pt}%                                                 % the indent
 {-1.0\baselineskip \@plus -0.5\baselineskip \@minus 0.5\baselineskip}%before..
 {0.5\baselineskip \@plus 0.2\baselineskip \@minus 0.5\baselineskip}% afterskip
 {\normalfont\normalsize\bfseries}%                     % the style
}

\renewcommand\subparagraph{\@startsection{subparagraph}%
  {5}%
  {0pt}%
  {0ex  \@plus  1ex   \@minus  .0ex}%
  {-1em \@plus -0.5em \@minus -0.8em}%
  {\normalfont\normalsize\bfseries}%
}

\renewcommand{\subsubsection}{\subparagraph}

\renewcommand{\abstractname}{ABSTRACT}
\renewcommand{\refname}{REFERENCES}


%% A few environments are redefined,
%% stolen from article.cls

\def\@maketitle{%
  %\newpage
  %\null
  %\vskip -9em%
  \begin{center}%
  \let \footnote \thanks
    \sffamily
    {\LARGE \bfseries \@title \par}%
    \vskip 1.0em%
    {\large
      \lineskip .5em%
      \begin{tabular}[t]{c}%
        \@author
      \end{tabular}\par}%
    %\vskip 1em%
  \end{center}%
  \par
  \vskip 0.5em}


\renewenvironment{abstract}{%
  \if@twocolumn
	\section*{\abstractname}%
  \else
	\small
	\begin{center}%
	  {\bfseries \abstractname\vspace{-.5em}\vspace{\z@}}%
	\end{center}%
	%\quotation
  \fi}
  {}
  %{\if@twocolumn\else\endquotation\fi}



\renewenvironment{thebibliography}[1]
 {\section*{\refname}%
  \@mkboth{\MakeUppercase\refname}{\MakeUppercase\refname}%
  \list{\@biblabel{\@arabic\c@enumiv}}%
	   {\settowidth\labelwidth{\@biblabel{#1}}%
		\leftmargin\labelwidth
		\advance\leftmargin\labelsep
	   \setlength{\itemsep}{-0.5\parsep}
	   \setlength{\parsep}{1.0ex}
		\@openbib@code
		\usecounter{enumiv}%
		\let\p@enumiv\@empty
		\renewcommand\theenumiv{\@arabic\c@enumiv}}%
  \sloppy
  \clubpenalty4000
  \@clubpenalty \clubpenalty
  \widowpenalty4000%
  \sfcode`\.\@m}
 {\def\@noitemerr
   {\@latex@warning{Empty `thebibliography' environment}}%
  \endlist}

%\let\@openbib@code{\setlength\itemsep{-\parsep}}