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-% \iffalse meta-comment, etc.
-%%
-%% Package `pst-poly.dtx'
-%%
-%% Denis Girou (CNRS/IDRIS - France) <Denis.Girou@idris.fr>
-%% Herbert Voss <voss _at_ pstricks.de>
-%%
-%% Novermber 20, 2004
-%%
-%% This program can be redistributed and/or modified under the terms
-%% of the LaTeX Project Public License Distributed from CTAN archives
-%% in directory macros/latex/base/lppl.txt.
-%%
-%% DESCRIPTION:
-%% `pst-poly' is a PSTricks package to draw easily various kinds of regular
-%% or non regular polygons, with various customizations.
-%%
-% \fi
-%
-% \changes{v1.60}{2004/11/20}{new macro pspolygonbox,
-% using pst-xkey}
-% \changes{v1.50}{2001/02/08}{Standard packaging (.ins + .dtx files).}
-% \changes{v1.40}{1998/07/09}{Define `PolyRotation' parameter as a real number
-% and not as an angle, to allow to use the macro
-% `degrees' before to draw a polygon.}
-% \changes{v1.30}{1998/02/06}{Rename `PsPicture' parameter to `PstPicture' for
-% consistancy.}
-% \changes{v1.20}{1997/06/27}{First public release.}
-%
-% \DoNotIndex{\\,\%,\@}
-% \DoNotIndex{\@eha,\@empty,\@ifnextchar,\@nameuse,\@nil,\@pstrickserr}
-% \DoNotIndex{\@tempdimb,\@undefined}
-% \DoNotIndex{\advance,\Alph,\begin,\begingroup,\Below@Example,\BS}
-% \DoNotIndex{\catcode,\CenterExample,\changes,\clearpage,\CodelineIndex}
-% \DoNotIndex{\colorbox,\csname}
-% \DoNotIndex{\def,\define@key,\degrees,\divide,\DocInput,\documentclass}
-% \DoNotIndex{\edef,\else,\EnableCrossrefs,\end,\endCenterExample}
-% \DoNotIndex{\endcsname,\endExample,\endgroup,\endinput,\endpspicture}
-% \DoNotIndex{\endSideBySideExample,\Example}
-% \DoNotIndex{\fboxsep,\fi,\filedate,\fileversion,\FV@Environment}
-% \DoNotIndex{\FV@UseKeyValues,\FV@XRightMargin,\FVB@Example,\fvset}
-% \DoNotIndex{\GetFileInfo}
-% \DoNotIndex{\hbadness,\hfuzz,\HLEmphasize,\HLMacro,\HLMacro@i}
-% \DoNotIndex{\HLReverse,\HLReverse@i,\hspace}
-% \DoNotIndex{\i,\if@star,\ifnum,\ifodd,\ifx,\input,\jobname}
-% \DoNotIndex{\let,\lineto,\makeatletter,\makeatother,\message,\moveto}
-% \DoNotIndex{\multido,\multidocount,\MultidoLoaded,\multiply}
-% \DoNotIndex{\n,\newbox,\newcommand,\newcounter,\newdimen,\newif}
-% \DoNotIndex{\OnlyDescription}
-% \DoNotIndex{\par,\parindent,\pnode,\providecommand,\ProvidesPackage}
-% \DoNotIndex{\pscurve,\pscustom,\psdots,\psline,\pspicture,\pspolygon}
-% \DoNotIndex{\psset,\pssetlength,\pst@cnta,\pst@getint,\pst@ifstar}
-% \DoNotIndex{\PstAtCode,\PSTricksLoaded,\psxunit,\psyunit}
-% \DoNotIndex{\RecordChanges,\relax,\rput}
-% \DoNotIndex{\savebox,\setcounter,\setlength,\shortstack}
-% \DoNotIndex{\SideBySide@Example,\SideBySideExample,\small,\solid@star}
-% \DoNotIndex{\space,\SpecialCoor,\Star,\symbol}
-% \DoNotIndex{\textbf,\textcolor,\textit,\texttt,\textwidth,\the,\topsep,\tw@}
-% \DoNotIndex{\usebox,\usepackage}
-% \DoNotIndex{\VerbatimEnvironment,\VerbatimInput,\vskip,\Z}
-%
-% \setcounter{IndexColumns}{2}
-%
-% \newcommand{\KeyValPackage}{`\textsf{keyval}'}
-% \newcommand{\PstPolygonPackage}{`\textsf{pst-poly}'}
-% \newcommand{\PstPolygonMacro}{\cs{PstPolygon}}
-% \newcommand{\PstPolygonNodeMacro}{\cs{PstPolygonNode}}
-% \newcommand{\XYpic}{%
-% \leavevmode\hbox{\kern-.1em X\kern-.3em\lower.4ex\hbox{Y\kern-.15em}-pic}}
-%
-% ^^A From ltugboat.cls
-%
-% ^^A Typeset the name of an environment
-% \providecommand\env[1]{\textsf{#1}}
-% \providecommand\clsname[1]{\textsf{#1}}
-% \providecommand\pkgname[1]{\textsf{#1}}
-% \providecommand\optname[1]{\textsf{#1}}
-% \providecommand\progname[1]{\textsf{#1}}
-%
-% ^^A A list of options for a package/class
-% \newenvironment{optlist}{\begin{description}%
-% \renewcommand\makelabel[1]{%
-% \descriptionlabel{\mdseries\optname{##1}}}%
-% \itemsep0.25\itemsep}%
-% {\end{description}}
-%
-% \makeatletter
-%
-% ^^A For the references
-% \newcommand\acro[1]{\textsc{#1}\@}
-% \def\CTAN{\acro{CTAN}}
-% \let\texttub\textsl
-% \def\TUB{\texttub{TUGboat}}
-%
-% ^^A From the `ctandir' package from the `ltugboat' package
-% ^^A (`ltubguid' on 1997/06/12)
-% ^^A Experimental CTAN location information macros for use with Donald
-% ^^A Arseneau's |url.sty|
-%
-% \newcommand\CTANdirectory[1]{\expandafter\urldef
-% \csname CTAN@#1\endcsname\path}
-%
-% ^^A Use the standard label-referencing mechanism to get the warning for
-% ^^A an undefined label
-% \newcommand\CTANref[1]{\expandafter\@setref\csname CTAN@#1\endcsname
-% \relax{#1}}
-%
-% ^^A Utility macros
-%
-% ^^A Example macros - adapted from the `fvrb-ex' package
-% ^^A ---------------------------------------------------
-%
-% ^^A Take care that we use here the four /?_Z characters as escape
-% ^^A characters, so we can't use these characters in the examples!
-%
-% ^^A To highlight some verbatim sequences (comments, macro names, etc.)
-% \def\HLEmphasize#1{\textit{#1}}
-% \newcommand{\BS}{\texttt{\symbol{`\\}}}
-% \def\HLMacro#1{\BS{}def\HLMacro@i#1\@nil}
-% \def\HLMacro@i#1def#2\@nil{\HLReverse{#2}}
-% \def\HLReverse#1{{\setlength{\fboxsep}{1pt}\HLReverse@i{#1}}}
-% \def\HLReverse@i#1{\colorbox{black}{\textcolor{white}{\textbf{#1}}}}
-%
-% \def\Example{\FV@Environment{}{Example}}
-% \def\endExample{%
-% \end{VerbatimOut}
-% \Below@Example{\input{\jobname.tmp}}
-% \endgroup}
-%
-% \def\CenterExample{\FV@Environment{}{Example}}
-% \def\endCenterExample{%
-% \end{VerbatimOut}
-% \begin{center}
-% \Below@Example{\input{\jobname.tmp}}
-% \end{center}
-% \endgroup}
-%
-% \def\SideBySideExample{\FV@Environment{}{Example}}
-% \def\endSideBySideExample{%
-% \end{VerbatimOut}
-% \SideBySide@Example{\input{\jobname.tmp}}
-% \endgroup}
-%
-% \def\FVB@Example{%
-% \begingroup
-% \FV@UseKeyValues
-% \parindent=0pt
-% \multiply\topsep by 2
-% \VerbatimEnvironment
-% \begin{VerbatimOut}[gobble=4,codes={\catcode`\Z=12}]{\jobname.tmp}}
-%
-% \def\Below@Example#1{%
-% \VerbatimInput[gobble=0,commentchar=Z,commandchars=/?_,frame=single,
-% numbers=left,numbersep=3pt]{\jobname.tmp}
-% \catcode`\%=14\relax
-% \catcode`\Z=9\relax
-% ^^A We suppress the effect of the highlighting macros
-% \catcode`/=0\relax
-% \catcode`?=1\relax
-% \catcode`_=2\relax
-% \def\HLEmphasize##1{##1}%
-% \def\HLMacro##1{##1}%
-% \def\HLReverse##1{##1}%
-% #1
-% \par}
-%
-% \def\SideBySide@Example#1{%
-% \vskip 1mm
-% \@tempdimb=\FV@XRightMargin
-% \advance\@tempdimb -5mm
-% \begin{minipage}[c]{\@tempdimb}
-% \fvset{xrightmargin=0pt}
-% \catcode`\%=14\relax
-% \catcode`\Z=9\relax
-% ^^A We suppress the effect of the highlighting macros
-% \catcode`/=0\relax
-% \catcode`?=1\relax
-% \catcode`_=2\relax
-% \def\HLEmphasize##1{##1}%
-% \def\HLMacro##1{##1}%
-% \def\HLReverse##1{##1}%
-% #1
-% \end{minipage}%
-% \@tempdimb=\textwidth
-% \advance\@tempdimb -\FV@XRightMargin
-% \advance\@tempdimb 5mm
-% \begin{minipage}[c]{\@tempdimb}
-% \VerbatimInput[gobble=0,commentchar=Z,commandchars=/?_,
-% frame=single,numbers=left,numbersep=3pt,
-% xleftmargin=5mm,xrightmargin=0pt]{\jobname.tmp}
-% \end{minipage}
-% \vskip 1mm}
-%
-% \makeatother
-%
-% ^^A End of example macros from `fvrb-ex'
-%
-% ^^A Define CTAN addresses using the commands of the |ctandir| package
-% \CTANdirectory{pstricks}{graphics/pstricks}
-% \CTANdirectory{xypic}{macros/generic/diagrams/xypic}
-%
-% ^^A For the possible index and changes log
-% \setlength{\columnseprule}{0.6pt}
-%
-% ^^A Beginning of the documentation itself
-%
-% \title{The \PstPolygonPackage{} package\\A PSTricks package for polygons}
-% \author{Denis \textsc{Girou}\thanks{CNRS/IDRIS ---
-% Centre National de la Recherche Scientifique /
-% Institut du D\'eveloppement et des Ressources en Informatique
-% Scientifique --- Orsay --- France ---
-% \mbox{\texttt{<Denis.Girou@idris.fr>}}.}}
-% \date{\today\\
-% {\small Documentation revised November 20, 2004\\
-% by Herbert Voss}}
-%
-% \maketitle
-%
-% \begin{abstract}
-% This package allow to draw easily various kinds of regular or non
-% regular polygons, using the unique macro \PstPolygonMacro, with various
-% customization parameters.
-%
-% It is also a good example of the great power and flexibility of
-% PSTricks, as in fact it is a very short program (it body is only 100~lines
-% long) but nevertheless really powerful.
-%
-% And last, it is also a good pedagogical example of how to design and
-% program \emph{high level graphic objects} above PSTricks own ones.
-% \end{abstract}
-%
-% \tableofcontents
-%
-% \section{Introduction}
-%
-% \PstPolygonPackage{} offer a unique macro (plus some aliases to define
-% some often used polygons) with few parameters to interact on it. But we can
-% also use all the relevant PSTricks parameters to change the size, the
-% characteristics of lines, to add filling, etc.
-%
-% The polygons are always drawn counter clockwise.
-%
-% \vspace{1mm}
-% The syntax is simply:
-% \fbox{\PstPolygonMacro\texttt{*[optional\_parameters]}}
-%
-% \vspace{1mm}
-% As for PSTricks closed objects, the \texttt{*} version use a solid style
-% to fill the polygon, use the line color for fill color and set the linewidth
-% to 0.
-%
-% A preliminary version, limited to \emph{regular} polygons, was shown at
-% TUG'95 conference, St Petersburg, Florida, as part of my talk
-% \emph{Building high level objects in PSTricks} \cite{Girou95}.
-%
-% \emph{Note}: You can take advantage to look also at the polygon feature of
-% the \XYpic{} package \cite{XYpic}, \cite{LGC97}.
-%
-% \section{Usage}
-%
-% \subsection{Parameters}
-%
-% There are \textbf{eight} specific parameters defined to change the way the
-% polygons are defined:
-%
-% \begin{optlist}
-% \item [PstPicture (boolean)]: to define or not a \texttt{pspicture}
-% environment for the polygon. We have to define this parameter to
-% \emph{false} if we want to mix the polygon with other PSTricks objects
-% --- see examples later
-% (\emph{Default:~true} --- which is not the case for basic PSTricks
-% objects).
-% \end{optlist}
-%
-% \begin{optlist}
-% \item [PolyRotation (real)]: rotation angle applied to the polygon
-% (\emph{Default:~0} --- no rotation).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \PstPolygon\hfill
-% \PstPolygon[/HLEmphasize?PolyRotation_=/HLReverse?18_]\hfill
-% \PstPolygon[/HLEmphasize?PolyRotation_=/HLReverse?36_]\hfill
-% \PstPolygon[/HLEmphasize?PolyRotation_=/HLReverse?45_]
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyNbSides (integer)]: number of sides of the polygon
-% (\emph{Default:~5}).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \PstPolygon
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?3_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?4_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?5_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?8_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?50_]
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyOffset (integer)]: number of nodes to bypass to obtain each
-% time the next one
-% (\emph{Default:~1} --- no node bypassed).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \PstPolygon
-% \PstPolygon[/HLEmphasize?PolyOffset_=/HLReverse?2_]
-% \PstPolygon[/HLEmphasize?PolyOffset_=/HLReverse?3_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?7_,/HLEmphasize?PolyOffset_=/HLReverse?2_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?9_,/HLEmphasize?PolyOffset_=/HLReverse?4_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?17_,/HLEmphasize?PolyOffset_=/HLReverse?6_]
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyIntermediatePoint (real)]: position of the intermediate point
-% used to join each time the next node
-% (\emph{Default:~empty} --- not used).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \PstPolygon
-% \PstPolygon[/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.38_]
-% \PstPolygon[/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.2_]
-% \PstPolygon[/HLEmphasize?PolyIntermediatePoint_=/HLReverse?1.2_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?7_,/HLEmphasize?PolyOffset_=/HLReverse?2_,
-% /HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.38_]
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?21_,/HLEmphasize?PolyOffset_=/HLReverse?2_,
-% /HLEmphasize?PolyIntermediatePoint_=/HLReverse?-1.25_]
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyCurves (boolean)]: boolean value to choose between straight
-% line and curve to join each time the next node
-% (\emph{Default:~false} --- straight lines).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \psset{/HLEmphasize?PolyCurves_=/HLReverse?true_}
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?7_,/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.38_]\hfill
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?11_,/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.6_]\hfill
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?7_,/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.2_,
-% /HLEmphasize?PolyOffset_=/HLReverse?2_]\hfill
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?9_,/HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.1_]\hfill
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?15_,/HLEmphasize?PolyIntermediatePoint_=/HLReverse?1.2_]
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyEpicycloid (boolean)]: boolean value to choose between
-% polygon and epicycloid
-% (\emph{Default:~false} --- polygon).
-% \end{optlist}
-%
-% \begin{CenterExample}
-% \psset{linewidth=0.001,/HLEmphasize?PolyNbSides_=/HLReverse?72_,/HLEmphasize?PolyEpicycloid_=/HLReverse?true_}
-% % /HLEmphasize?Epicycloid of factor 1 is cardioid and of factor 2 nephroid_
-% \multido{\i=2+1}{4}{\PstPolygon[/HLEmphasize?PolyOffset_=/HLReverse?\i_]\hfill}
-% \PstPolygon[/HLEmphasize?PolyOffset_=/HLReverse?72_]\hfill % /HLEmphasize?Epicycloid of factor 71_
-% \PstPolygon[/HLEmphasize?PolyOffset_=/HLReverse?73_] % /HLEmphasize?Epicycloid of factor 72_
-% \end{CenterExample}
-%
-% \begin{optlist}
-% \item [PolyName (string)]: name of the polygon, useful to have different
-% names for the nodes of different polygons
-% (\emph{Default:~empty} --- no name).
-% \end{optlist}
-%
-% The center of the polygon has name \texttt{PolyName0} and the nodes
-% (vertices) have names \texttt{PolyName1} to \texttt{PolyNameN}.
-%
-% With this parameter, we can connect as we want nodes of different polygons:
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \psset{PstPicture=false}
-% \begin{pspicture}(-1,-1)(1,1)
-% \PstPolygon[unit=0.8,/HLEmphasize?PolyName_=/HLReverse?A_,/HLEmphasize?PolyNbSides_=/HLReverse?6_]
-% \PstPolygon[unit=1.2,/HLEmphasize?PolyName_=/HLReverse?B_,/HLEmphasize?PolyNbSides_=/HLReverse?12_]
-% \end{pspicture}
-% \multido{\i=1+2}{6}{%
-% \ncline{A\the\multidocount}{B\i}}
-% \end{SideBySideExample}
-%
-% It is also a way (limited in fact...) to define three dimensional objects
-% in perspective (this was used first in \cite{XYpic}):
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \psset{unit=0.8}
-% \begin{pspicture}(3,2.5)
-% % /HLEmphasize?\PstSquare is described later_
-% \rput[lb](0,0){\PstSquare[/HLEmphasize?PolyName_=/HLReverse?A_]}
-% \rput[lb](2.5,2){\PstSquare[unit=0.5,
-% /HLEmphasize?PolyName_=/HLReverse?B_]}
-% \multido{\i=1+1}{4}{\ncline{A\i}{B\i}}
-% \end{pspicture}
-% \end{SideBySideExample}
-%
-% Of course, we can mix specific \PstPolygonPackage{} parameters with
-% relevant PSTricks ones and combine it with other generic macros
-% (for repetitions, projection in the 3d space, etc.)
-%
-% \begin{CenterExample}
-% \PstPolygon[unit=/HLReverse?1.5_,linestyle=/HLReverse?dashed_]
-% \PstPolygon[linewidth=/HLReverse?1mm_]
-% \PstPolygon[fillstyle=/HLReverse?crosshatch_,/HLEmphasize?PolyNbSides_=/HLReverse?6_]
-% \PstPolygon[linecolor=/HLReverse?red_,fillstyle=/HLReverse?solid_,fillcolor=/HLReverse?yellow_,
-% /HLEmphasize?PolyRotation_=/HLReverse?18_,/HLEmphasize?PolyOffset_=/HLReverse?2_]
-% \PstPolygon*[linecolor=/HLReverse?cyan_,/HLEmphasize?PolyNbSides_=/HLReverse?7_,/HLEmphasize?PolyOffset_=/HLReverse?2_]
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\i=5+2}{6}{%
-% \PstPolygon[/HLEmphasize?PolyNbSides_=/HLReverse?\i_,/HLEmphasize?PolyCurves_=/HLReverse?true_,
-% /HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.1_,/HLEmphasize?PolyOffset_=/HLReverse?3_]}
-% \end{CenterExample}
-%
-% \subsection{Pre-defined polygons}
-%
-% Some often used polygons and other related geometric objects are
-% pre-defined, for immediate usage :
-%
-% \begin{CenterExample}
-% \PstTriangle
-% \PstSquare
-% \PstPentagon[unit=0.5,linestyle=dotted]
-% \PstHexagon[fillstyle=hlines,hatchangle=90]
-% \PstHeptagon[fillstyle=vlines]
-% \PstOctogon*[unit=0.8,linecolor=red]
-% \PstNonagon[unit=0.5]
-% \PstDecagon
-% \PstDodecagon[linecolor=green]
-% \PstStarFiveLines
-% \PstStarFive
-% \end{CenterExample}
-%
-% \subsection{Non regular polygons}
-%
-% Until now, we have described only the so-called \emph{regular} polygons,
-% which are from far the most useful ones (all of them have equal edges and
-% angles). Nevertheless, it is not so difficult to extend these polygon to
-% \emph{non regular} ones, using a different value for horizontal and vertical
-% units (nevertheless, the code is more tricky, as we must do all the
-% trigonometry explicitely...)
-%
-% \begin{CenterExample}
-% \PstPentagon[xunit=/HLReverse?0.5_]\hfill
-% \PstHexagon[yunit=/HLReverse?0.5_]\hfill
-% \PstStarFive[xunit=/HLReverse?0.5_,yunit=/HLReverse?1.5_]\hfill
-% \PstPolygon[xunit=/HLReverse?0.8_,yunit=/HLReverse?1.5_,/HLEmphasize?PolyNbSides_=/HLReverse?9_,/HLEmphasize?PolyOffset_=/HLReverse?2_,
-% /HLEmphasize?PolyIntermediatePoint_=/HLReverse?0.1_,/HLEmphasize?PolyCurves_=/HLReverse?true_]
-% \end{CenterExample}
-%
-% \subsection{Nodes (vertices)}
-%
-% And another powerful possibility is to define a command
-% \PstPolygonNodeMacro{} which will be excuted at each node
-% (\emph{Default:~empty} --- nothing executed). The counter name for nodes is
-% \cs{INode}, starting from 0. The \cs{multidocount} counter, from the
-% \cs{multido} command, start itself from 1.
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \providecommand{\PstPolygonNode}{%
-% /HLReverse?\psdots[dotsize=0.2,linecolor=cyan](1;\INode)_}
-% \PstPentagon
-% \end{SideBySideExample}
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \newcounter{Letter}
-% \providecommand{\PstPolygonNode}{%
-% /HLReverse?\setcounter{Letter}{\the\multidocount}_%
-% /HLReverse?\rput*{*0}(1;\INode){\small\Alph{Letter}}_}
-% \PstHeptagon[PolyOffset=3]
-% \end{SideBySideExample}
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \providecommand{\PstPolygonNode}{%
-% /HLReverse?\psdots[dotstyle=o,dotsize=0.2](1;\INode)_
-% /HLReverse?\psline[linecolor=red]{->}(0.9;\INode)_}
-% \PstPolygon[PolyNbSides=8]
-% \end{SideBySideExample}
-%
-% \vspace{3mm}
-% It is also a way to nest polygons:
-% \vspace{3mm}
-%
-% \begin{SideBySideExample}[xrightmargin=3cm]
-% \newbox{\Star}
-% \savebox{\Star}{%
-% \PstStarFive*[unit=0.15,linecolor=red]}
-% \providecommand{\PstPolygonNode}{%
-% /HLReverse?\rput{*0}(1;\INode){\usebox{\Star}}_}
-% \shortstack{\PstNonagon\\[5mm]
-% \PstDodecagon[linestyle=none]}
-% \end{SideBySideExample}
-%
-% \vspace{3mm}
-% Here we redraw one of the polygon examples built with the \XYpic{} package
-% in \cite[example 5-5-34, page 203]{LGC97}:
-%
-% \begin{CenterExample}
-% \psset{unit=2,PstPicture=false}
-% \begin{pspicture}(-1.6,-1.6)(1.6,1.6)
-% % /HLEmphasize?Just to name the nodes, to be able to join some of them._
-% % /HLEmphasize?by solid curves. We can't draw the polygons now,_
-% % /HLEmphasize?as the node numbers must erase the solid curves..._
-% \PstHexagon[unit=0.8,linestyle=none,PolyName=H]
-% \PstDodecagon[unit=1.2,linestyle=none,PolyName=D]
-% {\SpecialCoor
-% \psset{linewidth=0.4pt,border=2pt,nodesep=0.45}
-% \psccurve(H1)(H4)(D8)([angle=-30]D9)(D11)
-% \psccurve(D3)(H3)(H6)(D12)([angle=90]D1)
-% \psccurve(D4)(H2)(H5)(D7)([angle=90]D6)}
-% \psset{linestyle=dotted,framesep=1pt}
-% \PstTriangle[unit=0.23]
-% \providecommand{\PstPolygonNode}{%
-% \rput*{*0}(1;\INode){\small\the\multidocount}}
-% \PstHexagon[unit=0.8]
-% \PstDodecagon[unit=1.2]
-% \PstDodecagon[unit=1.6]
-% \end{pspicture}
-% \end{CenterExample}
-%
-% \section[Polygonbox]{Polygonbox\protect\footnote{written by Herbert Vo\ss.}}
-% The valid options with the predefined values are
-% \begin{verbatim}
-% PolyNbSides =3
-% PolyRotation=0
-% \end{verbatim}
-%
-% \begin{itemize}
-% \item There are some problems with linearcs and rounding errors, which are seen in the
-% following examples for \verb+PolyNbSides=7+.
-% \item To rotate the text inside the box, one can use the \verb+\rotatebox+ macro from
-% the \verb+rotating+ package (see examples).
-% \end{itemize}
-%
-% \begin{CenterExample}
-% \multido{\nA=3+1}{8}{%
-% \pspolygonbox[PolyNbSides=\nA,framesep=3mm]{Text}~}
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\nA=3+1}{8}{\pspolygonbox[PolyNbSides=\nA,%
-% framesep=2mm,doubleline=true]{Text}~}
-% \end{CenterExample}
-%
-%
-% \begin{CenterExample}
-% \psset{PolyNbSides=4}
-% \multido{\nA=0+60}{8}{\pspolygonbox[PolyRotation=\nA,%
-% framesep=2mm,doubleline=true,%
-% linecolor=red,doublecolor=blue]{\magenta Text}~}
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\nA=0+60,\nB=45+60}{8}{\pspolygonbox%
-% [PolyRotation=\nA,framesep=2mm,doubleline=true,%
-% linecolor=red,doublecolor=blue,linearc=0.4]%
-% {\rotatebox{\nB}{\blue Text}}~}\\[1cm]
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\nA=3+1}{8}{%
-% \pspolygonbox[PolyNbSides=\nA,rot=60,framesep=2pt,%
-% doubleline=true,linearc=0.2]{Text}~}
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\nA=3+1}{8}{%
-% \pspolygonbox[PolyNbSides=\nA,framesep=10pt,%
-% fillstyle=solid,fillcolor=cyan,linearc=0.2]{Text}~}
-% \end{CenterExample}
-%
-% \begin{CenterExample}
-% \multido{\nA=-5+5}{8}{\pspolygonbox[framesep=\nA pt,%
-% PolyRotation=90]{\Huge\red T}~}
-% \end{CenterExample}
-%
-%
-% \begin{CenterExample}
-% \multido{\nA=-5+5}{8}{\pspolygonbox[framesep=\nA pt,%
-% PolyRotation=90,boxsep=false]{\Huge\red T}~}
-% \end{CenterExample}
-%
-%
-% ^^A Bibliography
-% \begin{thebibliography}{9}
-% \bibitem{Girou94} Denis Girou, Pr\'esentation de PSTricks,
-% \emph{Cahiers GUTenberg}, Number~16, pages 21--70,
-% February~1994 (in french).
-%
-% \bibitem{Girou95} Denis Girou, Building high level objects in PSTricks,
-% TUG'95, St Petersburg, Florida, 1995. Available at
-% {\url{http://www.tug.org/applications/PSTricks/TUG95-PSTricks_4.ps.gz}}
-%
-% \bibitem{LGC97} Michel Goossens, Sebastian Rahtz and Frank Mittelbach,
-% \emph{The \LaTeX{} Graphics Companion}, Addison-Wesley, 1997.
-%
-% \bibitem{Hoenig98} Alan Hoenig, \emph{\TeX{} Unbound: \LaTeX{} \& \TeX{}
-% Strategies, Fonts, Graphics, and More},
-% Oxford University Press, 1998.
-%
-% \bibitem{voss04} Herbert Vo\ss, PSTricks -- Grafik mit {P}ost{S}cript f\"ur \TeX{}
-% und \LaTeX{}, Lehmanns, July 2004 (in german).
-%
-% \bibitem{XYpic} Kristoffer~H. Rose and Ross Moore, \XYpic. Polygon feature,
-% available from \CTAN, 1991-1998, \CTANref{xypic}.
-%
-% \bibitem{vanZandt93} Timothy van Zandt, PSTricks. PostScript macros for
-% Generic \TeX, available from \CTAN, 1993,
-% \CTANref{pstricks}.
-%
-% \bibitem{vanZandtGirou94} Timothy van Zandt and Denis Girou, Inside PSTricks,
-% \emph{\TUB}, Volume~15, Number~3, pages 239--246,
-% September 1994.
-% \end{thebibliography}
-%
-%
-% \StopEventually{}
-%
-% ^^A .................... End of the documentation part ....................
-%
-% \section{Driver file}
-%
-% The next bit of code contains the documentation driver file for \TeX{},
-% i.e., the file that will produce the documentation you are currently
-% reading. It will be extracted from this file by the \texttt{docstrip}
-% program.
-%
-% \begin{macrocode}
-%<*driver>
-\documentclass{ltxdoc}
-\GetFileInfo{pst-poly.dtx}
-\usepackage{fancyvrb}
-\usepackage{pstricks}
-\usepackage{pst-poly}
-\usepackage{rotating}
-\usepackage{url}
-\EnableCrossrefs
-\CodelineIndex
-\RecordChanges
-\OnlyDescription % Comment it for implementation details
-\hbadness=7000 % Over and under full box warnings
-\hfuzz=3pt
-\begin{document}
- \DocInput{pst-poly.dtx}
-\end{document}
-%</driver>
-% \end{macrocode}
-%
-% \section{\PstPolygonPackage{} \LaTeX{} wrapper}
-%
-% \begin{macrocode}
-%<*latex-wrapper>
-\RequirePackage{pstricks}
-\ProvidesPackage{pst-poly}[2004/11/20 package wrapper for
- pst-poly.tex (hv)]
-\input{pst-poly.tex}
-\ProvidesFile{pst-poly.tex}
- [\filedate\space v\fileversion\space `PST-poly' (DG)]
-%</latex-wrapper>
-% \end{macrocode}
-%
-% \section{\PstPolygonPackage{} code}
-%
-% As it is a general and very powerful way to build \emph{high level graphic
-% objects} above PSTricks own ones, we will comment precisely the code,
-% focusing these comments on the case of \emph{regular} polygons, which is
-% enough to show all useful major technics. In fact, all real difficulties
-% in the code of \PstPolygonPackage{} are for the \emph{non regular} case,
-% which involve some trigonometry.
-%
-% \begin{macrocode}
-%<*pst-poly>
-% \end{macrocode}
-%
-% \subsection{Preambule}
-%
-% Who we are.
-%
-% \begin{macrocode}
-%
-\def\fileversion{1.60}
-\def\filedate{2004/11/20}
-\message{`PST-Polygon' v\fileversion, \filedate\space (DG/hv)}
-\csname PSTPolygonLoaded\endcsname
-\let\PSTPolygonLoaded\endinput
-%
-% \end{macrocode}
-%
-% Require the PSTricks, `\textsf{pst-node}' and `\textsf{multido}' packages.
-%
-% \begin{macrocode}
-%
-\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
-\ifx\PSTnodesLoaded\endinput\else\input pst-node.tex\fi
-\ifx\MultidoLoaded\endinput\else\input multido.tex\fi
-%
-% \end{macrocode}
-%
-% \begin{macrocode}
-\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi
-% \end{macrocode}
-%
-% Catcodes changes.
-%
-% \begin{macrocode}
-%
-\edef\PstAtCode{\the\catcode`\@}
-\catcode`\@=11\relax
-\pst@addfams{pst-poly}
-%
-% \end{macrocode}
-%
-% \subsection{Definition of the parameters}
-%
-% \texttt{PstPicture} will define if the polygon must be set inside a
-% \texttt{pspicture} environment or not. It is a \emph{boolean} value, so we
-% define a new \cs{if} \TeX{} variable. The \texttt{true} value specified
-% will give the default to used when no value is affected to this parameter
-% (so \texttt{PstPicture} will be equivalent to \texttt{PstPicture=true}).
-% Take care that it is not the default value for the parameter itself (we
-% will see later that here we choose \texttt{false} as default value...).
-% We don't prefix this parameter name by \texttt{Poly} because it is not
-% specific to polygons. Note also that \texttt{psset} is for the
-% \KeyValPackage{} package the generic name for all PSTricks parameters.
-%
-% \begin{macrocode}
-\newif\ifPst@PstPicture
-\define@key[psset]{pst-poly}{PstPicture}[true]{\@nameuse{Pst@PstPicture#1}}
-% \end{macrocode}
-%
-% \texttt{PolyRotation} will be the rotation angle to apply to the
-% polygon. It is a \emph{real} value used as an \emph{angle}.
-%
-% \begin{macrocode}
-\define@key[psset]{pst-poly}{PolyRotation}{\edef\PstPoly@Rotation{#1}}
-% \end{macrocode}
-%
-% \texttt{PolyNbSides} will be the number of sides (edges) of the polygon.
-% It is an \emph{integer} value and we store it into a \TeX{} macro (in this
-% way, we can define a lot of integer parameters without having the risk to
-% exhaust \TeX{} limitations of numbers of counters).
-%
-% \begin{macrocode}
-\define@key[psset]{pst-poly}{PolyNbSides}{\pst@getint{#1}{\PstPoly@NbSides}}
-% \end{macrocode}
-%
-% \texttt{PolyOffset} will be the offset to obtain the next vertice to
-% connect, for each one of the polygon. It is an \emph{integer} value.
-%
-% \begin{macrocode}
-\define@key[psset]{pst-poly}{PolyOffset}{\pst@getint{#1}{\PstPoly@Offset}}
-% \end{macrocode}
-%
-% \texttt{PolyIntermediatePoint} will be the position of an intermediate
-% point to used between the current vertice and the next one, for each edge.
-% It will defined a \emph{relative} position, which will be the same for
-% each edge. As it is a \emph{real} value on which we will have to make some
-% computations, we use here a dimension register.
-%
-% \begin{macrocode}
-\newdimen\PstPoly@IntermediatePointDim
-\define@key[psset]{pst-poly}{PolyIntermediatePoint}{\edef\PstPoly@IntermediatePoint{#1}}
-% \end{macrocode}
-%
-% \texttt{PolyName} will be the name assigned to the polygon, which will be
-% useful if we would like to connect edges of different polygons. It is a
-% \texttt{string} that we store in a macro.
-%
-% \begin{macrocode}
-\define@key[psset]{pst-poly}{PolyName}{\edef\PstPoly@Name{#1}}
-% \end{macrocode}
-%
-% \texttt{PolyCurves} will define if the edges are lines or curves. It is a
-% \emph{boolean value}. And logically, there will be no effect of it if there
-% is no intermediate point defined.
-%
-% \begin{macrocode}
-\newif\ifPstPoly@Curves
-\define@key[psset]{pst-poly}{PolyCurves}[true]{\@nameuse{PstPoly@Curves#1}}
-% \end{macrocode}
-%
-% \texttt{PolyEpicycloid} will define if we will draw a polygon or an
-% epicycloid (which is of course not a polygon, but this was a functionality
-% very easy to add to this package!) It is a \emph{boolean} value.
-%
-% \begin{macrocode}
-\newif\ifPstPoly@Epicycloid
-\define@key[psset]{pst-poly}{PolyEpicycloid}[true]{\@nameuse{PstPoly@Epicycloid#1}}
-% \end{macrocode}
-%
-% Next, we set the default values for all these new parameters.
-% We choose to have no rotation, five sides, no offset (so a value of 1),
-% no intermediate point, no name, connections by lines (so no curved ones)
-% and polygons (so no epicycloids).
-%
-% \begin{macrocode}
-\psset{%
- PstPicture=true,PolyRotation=0,PolyNbSides=5,PolyOffset=1,
- PolyIntermediatePoint=,PolyName=,PolyCurves=false,PolyEpicycloid=false}
-%
-% \end{macrocode}
-%
-% \subsection{Main macro}
-%
-% The general \cs{PstPolygon} macro to draw polygons.
-%
-% First we look if the \texttt{*} convention is used, as for many PSTricks
-% macros, to fill the graphic object using the current color of the line.
-%
-% \begin{macro}{\PstPolygon}
-% \begin{macrocode}
-%
-\def\PstPolygon{\pst@ifstar{\@ifnextchar[{\PstPolygon@i}{\PstPolygon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% Then we define the auxiliary macro which will handle the parameters if
-% some are used. Note also the usage of the double \verb+{{+ to have only
-% changes of parameter values for this specific object, as redefinitions
-% of them must be local.
-%
-% \begin{macro}{\PstPolygon@i}
-% \begin{macrocode}
-\def\PstPolygon@i[#1]{{%
-% \end{macrocode}
-%
-% After that, we can set the values of local parameters if defined and
-% take account of the \texttt{*} convention if used.
-%
-% \begin{macrocode}
-\psset{#1}%
-\if@star\solid@star\fi
-% \end{macrocode}
-%
-% For security, we make some checks on the validity of the parameters.
-%
-% \begin{macrocode}
-\ifnum\PstPoly@NbSides<3
- \@pstrickserr{PolyNbSides must be greater than 2
- (and not `\PstPoly@NbSides')}{\@eha}%
-\fi
-\ifnum\PstPoly@NbSides>200
- \@pstrickserr{PolyNbSides must be less than 201
- (and not `\PstPoly@NbSides')}{\@eha}%
-\fi
-\ifnum\PstPoly@Offset<1
- \@pstrickserr{PolyOffset must be greater than 0
- (and not `\PstPoly@Offset')}{\@eha}%
-\fi
-% \end{macrocode}
-%
-% And now, we can start the \emph{real} code. First we affect a special
-% value for the case where an offset will be used. There are only two cases,
-% as the offset can be \emph{odd} or \emph{even}.
-%
-% \begin{macrocode}
-\ifodd\PstPoly@Offset
- \def\PstPoly@Decimal{.5}%
-\else
- \def\PstPoly@Decimal{}%
-\fi
-% \end{macrocode}
-%
-% We must say to use non cartesian coordinates (we will used polar ones
-% --- and special ones computed by trigonometry and defined in PostScript
-% for \emph{non} regular polygons).
-%
-% \begin{macrocode}
-%
-\SpecialCoor
-% \end{macrocode}
-%
-% We look at the definition of a ``\texttt{pspicture}'' environment or not.
-%
-% \begin{macrocode}
-\ifPst@PstPicture\pspicture(-1,-1)(1,1)\fi
-% \end{macrocode}
-%
-% We rotate the polygon if necessary (if not, we will use a rotation of
-% angle 0, which will have of course no effect).
-%
-% \begin{macrocode}
-\rput{\PstPoly@Rotation}(0,0){%
-% \end{macrocode}
-%
-% We will used polar coordinates, with a unit given by the number of sides
-% of the polygon.
-%
-% \begin{macrocode}
- \degrees[\PstPoly@NbSides]
-% \end{macrocode}
-%
-% We must recompute it here if the unit has changed after assignation
-% (for instance \verb+\psset{PolyIntermediatePoint=0.38}\PstPolygon[unit=2]+)
-%
-% \begin{macrocode}
- \pssetlength{\PstPoly@IntermediatePointDim}{\PstPoly@IntermediatePoint}
-% \end{macrocode}
-%
-% If there is a name for this polygon, we assign this name followed by 0
-% to the center of it, and different names to all vertices, indexed by the
-% number of the vertice.
-%
-% \begin{macrocode}
- \ifx\PstPoly@Name\@empty
- \else
- \pnode(0,0){\PstPoly@Name 0}
- \ifnum\psxunit=\psyunit
- \def\PstPoly@Node{\pnode(1;\i)}%
- \else
- \def\PstPoly@Node{%
- \pnode(! \i\space 360 \PstPoly@NbSides\space div mul cos
- \i\space 360 \PstPoly@NbSides\space div mul sin)}%
- \fi
- \multido{\i=0+1}{\PstPoly@NbSides}{%
- \PstPoly@Node{\PstPoly@Name\the\multidocount}}
- \fi
-% \end{macrocode}
-%
-% Now we are ready to draw the polygon. We use a \cs{pscustom} environment.
-%
-% \begin{macrocode}
- \pscustom{%
-% \end{macrocode}
-%
-% First, the case of epicycloids. We must only join each vertice to the
-% opposite one, using the defined offset as gap.
-%
-% \begin{macrocode}
- \ifPstPoly@Epicycloid
- \pst@cnta=\PstPoly@NbSides
- \divide\pst@cnta\tw@
- \multido{\i=0+1}{\PstPoly@NbSides}{%
- \moveto(1;\i)
- \lineto(1;\the\pst@cnta)
- \advance\pst@cnta\PstPoly@Offset}
-% \end{macrocode}
-%
-% Now, we can see the case of polygons. First, we move to the starting point.
-%
-% \begin{macrocode}
- \else
- \ifnum\psxunit=\psyunit
- \moveto(1,0)
- \else
- \moveto(! 1 0)
- \fi
-% \end{macrocode}
-%
-% If there is no intermediate point, we must only have a loop to join all
-% vertices, according to the number of edges. And we use each time the
-% defined value of the offset to obtain the next vertice.
-%
-% \begin{macrocode}
- \ifx\PstPoly@IntermediatePoint\@empty
- \ifnum\psxunit=\psyunit
- \def\PstPoly@Junction{\lineto(1;\i)}%
- \else
- \def\PstPoly@Junction{\lineto%
- (! \i\space 360 \PstPoly@NbSides\space div mul cos
- \i\space 360 \PstPoly@NbSides\space div mul sin)}%
- \fi
- \multido{\i=\PstPoly@Offset+\PstPoly@Offset}{\PstPoly@NbSides}{%
- \PstPoly@Junction}
-% \end{macrocode}
-%
-% If there is an intermediate point, first we see if vertices will be joined
-% by lines or curves.
-%
-% \begin{macrocode}
- \else
- \ifPstPoly@Curves
- \let\PstPoly@JunctionType\pscurve
- \else
- \let\PstPoly@JunctionType\psline
- \fi
- \ifnum\psxunit=\psyunit
- \def\PstPoly@Junction{\PstPoly@JunctionType%
- (\PstPoly@IntermediatePointDim;\the\pst@cnta\PstPoly@Decimal)
- (1;\i)}%
- \else
- \def\PstPoly@Junction{\PstPoly@JunctionType%
- (! \PstPoly@IntermediatePoint\space
- \the\pst@cnta\PstPoly@Decimal\space 360
- \PstPoly@NbSides\space div mul cos mul
- \PstPoly@IntermediatePoint\space
- \the\pst@cnta\PstPoly@Decimal\space 360
- \PstPoly@NbSides\space div mul sin mul)
- (! \i\space 360 \PstPoly@NbSides\space div mul cos
- \i\space 360 \PstPoly@NbSides\space div mul sin)}%
- \fi
-% \end{macrocode}
-%
-% We compute half of the value of the offset. We use a counter for that,
-% which is an integer, so we will add the value of the \cs{PstPoly@Decimal}
-% macro defined above, which has value 0.5 if the offset is an odd number.
-%
-% \begin{macrocode}
- \pst@cnta=\PstPoly@Offset
- \divide\pst@cnta\tw@
-% \end{macrocode}
-%
-% Now, we can execute the main loop: for each vertice we join the current
-% one to the next, using each time the intermediate point defined.
-%
-% \begin{macrocode}
- \multido{\i=\PstPoly@Offset+\PstPoly@Offset}{\PstPoly@NbSides}{%
- \PstPoly@Junction
- \advance\pst@cnta\PstPoly@Offset}
-% \end{macrocode}
-%
-% Now, we can close the opened \emph{if} structures and the
-% \texttt{pscustom} environment.
-%
-% \begin{macrocode}
- \fi
- \fi}
-% \end{macrocode}
-%
-% In the case where there is a special macro of name \cs{PstPolygonNode}
-% defined, we execute it at each node, and we close the rotation command.
-% The counter used is \cs{INode}.
-%
-% \begin{macrocode}
- \ifx\PstPolygonNode\@undefined
- \else
- \multido{\INode=\z@+\PstPoly@Offset}{\PstPoly@NbSides}{%
- \PstPolygonNode}
- \fi}
-% \end{macrocode}
-%
-% Then we close the ``\texttt{pspicture}'' environment, if defined,
-% and the \cs{PstPolygon@i} macro.
-%
-% \begin{macrocode}
-\ifPst@PstPicture
- \endpspicture
-\fi}}
-% \end{macrocode}
-% \end{macro}
-%
-% \subsection{Pre-defined polygons}
-%
-% Triangle (three sides).
-%
-% \begin{macro}{\PstTriangle}
-% \begin{macrocode}
-\def\PstTriangle{%
-\pst@ifstar{\@ifnextchar[{\PstTriangle@i}{\PstTriangle@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstTriangle@i}
-% \begin{macrocode}
-\def\PstTriangle@i[#1]{{%
-\psset{PolyNbSides=3,PolyRotation=90}% For triangle (360/3*(3/4))
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Square (four sides).
-%
-% \begin{macro}{\PstSquare}
-% \begin{macrocode}
-\def\PstSquare{%
-\pst@ifstar{\@ifnextchar[{\PstSquare@i}{\PstSquare@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstSquare@i}
-% \begin{macrocode}
-\def\PstSquare@i[#1]{{%
-\psset{PolyNbSides=4,PolyRotation=45}% For square (360/4/2)
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Pentagon (five sides).
-%
-% \begin{macro}{\PstPentagon}
-% \begin{macrocode}
-\def\PstPentagon{%
-\pst@ifstar{\@ifnextchar[{\PstPentagon@i}{\PstPentagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstPentagon@i}
-% \begin{macrocode}
-\def\PstPentagon@i[#1]{{%
-\psset{PolyNbSides=5,PolyRotation=18}% For pentagon (360/5/4)
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Hexagon (six sides).
-%
-% \begin{macro}{\PstHexagon}
-% \begin{macrocode}
-\def\PstHexagon{%
-\pst@ifstar{\@ifnextchar[{\PstHexagon@i}{\PstHexagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstHexagon@i}
-% \begin{macrocode}
-\def\PstHexagon@i[#1]{{%
-\psset{PolyNbSides=6}%
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Heptagon (seven sides).
-%
-% \begin{macro}{\PstHeptagon}
-% \begin{macrocode}
-\def\PstHeptagon{%
-\pst@ifstar{\@ifnextchar[{\PstHeptagon@i}{\PstHeptagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstHeptagon@i}
-% \begin{macrocode}
-\def\PstHeptagon@i[#1]{{%
-\psset{PolyNbSides=7,PolyRotation=38.57}% For heptagon (360/7*(3/4))
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Octogon (height sides).
-%
-% \begin{macro}{\PstOctogon}
-% \begin{macrocode}
-\def\PstOctogon{%
-\pst@ifstar{\@ifnextchar[{\PstOctogon@i}{\PstOctogon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstOctogon@i}
-% \begin{macrocode}
-\def\PstOctogon@i[#1]{{%
-\psset{PolyNbSides=8,PolyRotation=22.5}% For octogon (360/8/2)
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Nonagon (nine sides).
-%
-% \begin{macro}{\PstNonagon}
-% \begin{macrocode}
-\def\PstNonagon{%
-\pst@ifstar{\@ifnextchar[{\PstNonagon@i}{\PstNonagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstNonagon@i}
-% \begin{macrocode}
-\def\PstNonagon@i[#1]{{%
-\psset{PolyNbSides=9,PolyRotation=10}% For nonagon (360/9/4)
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Decagon (ten sides).
-%
-% \begin{macro}{\PstDecagon}
-% \begin{macrocode}
-\def\PstDecagon{%
-\pst@ifstar{\@ifnextchar[{\PstDecagon@i}{\PstDecagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstDecagon@i}
-% \begin{macrocode}
-\def\PstDecagon@i[#1]{{%
-\psset{PolyNbSides=10}%
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Dodecagon (twelve sides).
-%
-% \begin{macro}{\PstDodecagon}
-% \begin{macrocode}
-\def\PstDodecagon{%
-\pst@ifstar{\@ifnextchar[{\PstDodecagon@i}{\PstDodecagon@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstDodecagon@i}
-% \begin{macrocode}
-\def\PstDodecagon@i[#1]{{%
-\psset{PolyNbSides=12,PolyRotation=15}% For dodecagon (360/12/2)
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Star with five leaves, with internal lines.
-%
-% \begin{macro}{\PstStarFiveLines}
-% \begin{macrocode}
-\def\PstStarFiveLines{%
-\pst@ifstar{\@ifnextchar[{\PstStarFiveLines@i}{\PstStarFiveLines@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstStarFiveLines@i}
-% \begin{macrocode}
-\def\PstStarFiveLines@i[#1]{{%
-\psset{PolyOffset=2,PolyRotation=18}%
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% Star with five leaves.
-%
-% \begin{macro}{\PstStarFive}
-% \begin{macrocode}
-\def\PstStarFive{%
-\pst@ifstar{\@ifnextchar[{\PstStarFive@i}{\PstStarFive@i[]}}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\PstStarFive@i}
-% \begin{macrocode}
-\def\PstStarFive@i[#1]{{%
-\psset{PolyIntermediatePoint=0.38,PolyRotation=18}%
-\psset{#1}%
-\if@star\solid@star\fi
-\PstPolygon}}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\pspolygonbox}
-% \begin{macrocode}
-\newdimen\pst@dimm
-\newdimen\pst@dimn
-\newdimen\pst@dimo
-\newdimen\pst@dimp
-\def\pspolygonbox{\pst@object{pspolygonbox}}% voss 2004-11-20
-% \end{macrocode}
-% \end{macro}
-%
-%
-% \begin{macro}{\pspolygonbox@i}
-% \begin{macrocode}
-\def\pspolygonbox@i{\pst@makebox\pspolygonbox@ii}
-% \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\pspolygonbox@ii}
-% \begin{macrocode}
-%
-\def\pspolygonbox@ii{{%
- \begingroup%
- \pst@useboxpar%
- \pst@dima=\pslinewidth%
- \ifpsdoubleline%
- \advance\pst@dima by \psdoublesep\pslinewidth%
- \advance\pst@dima by \pslinewidth%
- \fi%
- \advance\pst@dima by \psframesep%
- \pst@dimc=\wd\pst@hbox%
- \pst@dimp=\pst@dimc\advance\pst@dimp by 2\pst@dima%
- \pst@dimb=\dp\pst@hbox\pst@dimo=\pst@dimb%
- \pst@dimd=\ht\pst@hbox\advance\pst@dimo by \pst@dimd% totalheight
- \pst@pyth\pst@dimp\pst@dimo\pst@dimm%
- \divide\pst@dimm by 2% Radius
- \setbox\pst@hbox=\hbox{%
- \ifpsboxsep\kern\pst@dima\fi% left side
- \begin@ClosedObj%
- \addto@pscode{%
- /framesep \pst@number\pst@dima def
- /boxdepth \pst@number\pst@dimb framesep add def
- /boxheight0 \pst@number\pst@dimd def
- /boxheight boxheight0 framesep add def
- /boxwidth \pst@number\pst@dimc def
- /radius \pst@number\pst@dimm def
- /order \PstPoly@NbSides\space def
- /dAlpha 360 order div def
- /alpha \PstPoly@Rotation\space def
- \pst@cp
- \tx@polygonB
- \psline@iii
-%% \tx@Line
- \tx@Polygon
- }%
- \def\pst@linetype{1}%
- \showpointsfalse%
- \end@ClosedObj%
- \box\pst@hbox%
- \ifpsboxsep\kern\pst@dima\fi%% right side
- }%
- \ifpsboxsep%
- \pst@dimn=-.5\pst@dimo\advance\pst@dimn by \pst@dimb%
- \advance\pst@dimn by 0.809\pst@dimm%
- \dp\pst@hbox=\pst@dimn%
- \pst@dimn=\pst@dimm\advance\pst@dimn by 0.5\pst@dimo%
- \advance\pst@dimn by -\pst@dimb%
- \ht\pst@hbox=\pst@dimn\fi%
- \leavevmode%
- \box\pst@hbox%
- \endgroup%
-}\ignorespaces}
-%
-%
-% \begin{macro}{polygonB}
-% \begin{macrocode}
-%
-\pst@def{polygonB}<{%
- /x1 framesep neg def
- /x2 boxwidth framesep add def
- /y1 boxdepth framesep add neg def
- /y2 boxheight framesep add def
- x2 x1 add 2 div y2 y1 add 2 div translate
- [
- alpha cos radius mul
- alpha sin radius mul
- order { /alpha alpha dAlpha add def
- radius alpha cos mul
- radius alpha sin mul
- } repeat
-}>
-% \end{macrocode}
-% \end{macro}
-%
-% \end{macrocode}
-% \end{macro}
-%
-% \subsection{Closing}
-%
-% Catcodes restoration.
-%
-% \begin{macrocode}
-\catcode`\@=\PstAtCode\relax
-% \end{macrocode}
-%
-% \begin{macrocode}
-%</pst-poly>
-% \end{macrocode}
-%
-% \section{\PstPolygonPackage{} test file}
-%
-% \begin{macrocode}
-%<*tst-poly>
-%% `pst-poly' test file.
-%%
-\documentclass{article}
-
-\usepackage{fancyvrb}
-\usepackage[width=18cm]{geometry}
-\usepackage{pstricks}
-\usepackage{pst-poly}
-
-% Example macros - adapted from the `fvrb-ex' package
-% ---------------------------------------------------
-
-\makeatletter
-
-% Take care that we use here the four /?_Z characters as escape
-% characters, so we can't use these characters in the examples!
-
-% To highlight some verbatim sequences (comments, macro names, etc.)
-\def\HLEmphasize#1{\textit{#1}}
-\newcommand{\BS}{\texttt{\symbol{`\\}}}
-\def\HLMacro#1{\BS{}def\HLMacro@i#1\@nil}
-\def\HLMacro@i#1def#2\@nil{\HLReverse{#2}}
-\def\HLReverse#1{{\setlength{\fboxsep}{1pt}\HLReverse@i{#1}}}
-\def\HLReverse@i#1{\colorbox{black}{\textcolor{white}{\textbf{#1}}}}
-
-\def\Example{\FV@Environment{}{Example}}
-\def\endExample{%
-\end{VerbatimOut}
-\Below@Example{\jobname.tmp}
-\endgroup}
-
-\def\CenterExample{\FV@Environment{}{Example}}
-\def\endCenterExample{%
-\end{VerbatimOut}
-\begin{center}
-\Below@Example{\jobname.tmp}
-\end{center}
-\endgroup}
-
-\def\SideBySideExample{\FV@Environment{}{Example}}
-\def\endSideBySideExample{%
-\end{VerbatimOut}
-\SideBySide@Example{\jobname.tmp}
-\endgroup}
-
-\def\FVB@Example{%
-\begingroup
-\FV@UseKeyValues
-\parindent=0pt
-\multiply\topsep by 2
-\VerbatimEnvironment
-\begin{VerbatimOut}[gobble=2,codes={\catcode`\Z=12}]{\jobname.tmp}}
-
-\def\Below@Example#1{%
-\VerbatimInput[commentchar=Z,commandchars=/?_,frame=single,
- numbers=left,numbersep=3pt]{#1}
-\catcode`\%=14\relax
-\catcode`\Z=9\relax
-% We suppress the effect of the highlighting macros
-\catcode`/=0\relax
-\catcode`?=1\relax
-\catcode`_=2\relax
-\def\HLEmphasize##1{##1}%
-\def\HLMacro##1{##1}%
-\def\HLReverse##1{##1}%
-\input{#1}\par}
-
-\def\SideBySide@Example#1{%
-\vskip 1mm
-\@tempdimb=\FV@XRightMargin
-\advance\@tempdimb -5mm
-\begin{minipage}[c]{\@tempdimb}
- \fvset{xrightmargin=0pt}
- \catcode`\%=14\relax
- \catcode`\Z=9\relax
- % We suppress the effect of the highlighting macros
- \catcode`/=0\relax
- \catcode`?=1\relax
- \catcode`_=2\relax
- \def\HLEmphasize##1{##1}%
- \def\HLMacro##1{##1}%
- \def\HLReverse##1{##1}%
- \input{#1}
-\end{minipage}%
-\@tempdimb=\textwidth
-\advance\@tempdimb -\FV@XRightMargin
-\advance\@tempdimb 5mm
-\begin{minipage}[c]{\@tempdimb}
- \VerbatimInput[commentchar=Z,commandchars=/?_,
- frame=single,numbers=left,numbersep=3pt,
- xleftmargin=5mm,xrightmargin=0pt]{#1}
-\end{minipage}
-\vskip 1mm}
-
-\makeatother
-
-% End of example macros from `fvrb-ex'
-
-\begin{document}
-
-% First serie
-
-\begin{CenterExample}
- \multido{\i=3+1}{6}{%
- \PstPolygon[PolyNbSides=\i]\hspace{5mm}}
- \PstPolygon[PolyNbSides=30]
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=3+2}{6}{%
- \PstPolygon[PolyOffset=2,PolyNbSides=\i]\hspace{5mm}}
- \PstPolygon[PolyOffset=2,PolyNbSides=31]
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=3+1}{7}{%
- \PstPolygon[PolyOffset=3,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=5+1}{7}{%
- \PstPolygon[PolyOffset=4,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=5+2}{7}{%
- \PstPolygon[PolyOffset=5,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\clearpage
-\begin{CenterExample}
- \multido{\i=5+2}{7}{%
- \PstPolygon[PolyOffset=7,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=5+2}{7}{%
- \PstPolygon[PolyOffset=8,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=1+1}{7}{%
- \PstPolygon[PolyOffset=\i,PolyNbSides=5]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=1+1}{7}{%
- \PstPolygon[PolyOffset=\i,PolyNbSides=7]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=5+1}{7}{%
- \PstPolygon[PolyCurves,PolyIntermediatePoint=0.1,PolyNbSides=\i]
- \hspace{5mm}}
-\end{CenterExample}
-
-\clearpage
-\begin{CenterExample}
- \multido{\i=5+1}{7}{%
- \PstPolygon[PolyCurves,PolyIntermediatePoint=0.2,
- PolyOffset=2,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\i=5+2}{7}{%
- \PstPolygon[PolyCurves,PolyIntermediatePoint=0.1,
- PolyOffset=3,PolyNbSides=\i]\hspace{5mm}}
-\end{CenterExample}
-
-% Second serie
-
-\begin{CenterExample}
- \multido{\n=-1.4+0.5}{7}{%
- \PstPolygon[PolyNbSides=3,PolyOffset=2,PolyIntermediatePoint=\n]
- \hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\n=-1.4+0.5}{7}{%
- \PstPolygon[PolyNbSides=5,PolyOffset=2,PolyIntermediatePoint=\n]
- \hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\n=-1.4+0.5}{7}{%
- \PstPolygon[PolyNbSides=13,PolyOffset=2,PolyIntermediatePoint=\n]
- \hspace{5mm}}
-\end{CenterExample}
-
-\begin{CenterExample}
- \multido{\n=-1.4+0.5}{7}{%
- \PstPolygon[PolyNbSides=21,PolyOffset=2,PolyIntermediatePoint=\n]
- \hspace{5mm}}
-\end{CenterExample}
-
-% Third serie
-
-\begin{CenterExample}
- \psset{unit=1.4,linewidth=0.001,PolyNbSides=72,PolyEpicycloid}
- \multido{\i=2+1}{4}{%
- % Epicycloid of factor 1 is cardioid and of factor 2 nephroid
- \PstPolygon[PolyOffset=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\begin{SideBySideExample}[xrightmargin=5cm]
- % Epicycloid of factor 10
- \PstPolygon[unit=2,linewidth=0.003,
- PolyEpicycloid,PolyNbSides=72,PolyOffset=11]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}[xrightmargin=5cm]
- % Epicycloid of factor 22
- \PstPolygon[unit=2,linewidth=0.003,
- PolyEpicycloid,PolyNbSides=72,PolyOffset=23]
-\end{SideBySideExample}
-
-\clearpage
-\begin{CenterExample}
- \psset{unit=1.9,linewidth=0.001,PolyNbSides=72,PolyEpicycloid}
- \multido{\i=71+1}{3}{%
- \PstPolygon[PolyOffset=\i]\hspace{5mm}}
-\end{CenterExample}
-
-\fvset{xrightmargin=5cm} % 5cm reserved for the graphic
-
-\begin{SideBySideExample}
- % Epicycloid of factor 100
- \PstPolygon[unit=2,linewidth=0.003,
- PolyEpicycloid,PolyNbSides=72,PolyOffset=101]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}[xrightmargin=5cm]
- % Epicycloid of factor 153
- \PstPolygon[unit=2,linewidth=0.003,
- PolyEpicycloid,PolyNbSides=72,PolyOffset=154]
-\end{SideBySideExample}
-
-\clearpage
-
-% Fourth serie
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \psdots[dotsize=0.2,linecolor=cyan](1;\INode)}
- \PstPentagon[unit=2]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \rput{*0}(1.2;\INode){\small\the\multidocount}}
- \PstPolygon[unit=2,PolyNbSides=7,PolyOffset=2]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \rput*{*0}(1;\INode){\small\the\multidocount}}
- \PstHeptagon[unit=2,PolyOffset=2]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \newcounter{Letter}
- \providecommand{\PstPolygonNode}{%
- \setcounter{Letter}{\the\multidocount}%
- \rput*{*0}(1;\INode){\small\Alph{Letter}}}
- \PstHeptagon[unit=2,PolyOffset=3]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \SpecialCoor
- \degrees[3]
- \rput{0.5}(0.5;\INode){%
- \pspolygon*(0.5;0.5)(0.5;1.5)(0.5;2.5)}}
- \PstTriangle
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \psdots[dotstyle=o,dotsize=0.2](1;\INode)
- \psline[linecolor=red]{->}(0.9;\INode)}
- \PstPolygon[unit=2,PolyNbSides=8]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \providecommand{\PstPolygonNode}{%
- \psline[linewidth=0.1mm,doubleline=true,
- linecolor=green]{<->}(0;0)(1;\INode)}
- \PstHexagon[unit=2]
-\end{SideBySideExample}
-
-\begin{SideBySideExample}
- \newbox{\Star}
- \savebox{\Star}{%
- \PstStarFive*[unit=0.15,linecolor=red]}
- \providecommand{\PstPolygonNode}{%
- \rput{*0}(1;\INode){\usebox{\Star}}}
- \shortstack{%
- \PstNonagon\\[5mm]
- \PstDodecagon[linestyle=none]}
-\end{SideBySideExample}
-
-\end{document}
-%</tst-poly>
-% \end{macrocode}
-%
-%
-% \Finale
-% \PrintIndex
-% \PrintChanges
-%
-\endinput
-%%
-%% End of file `pst-poly.dtx'