From 8f0c39ea0736ec81b5d289f9699c5343cc3c88e3 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Sun, 7 Jun 2009 23:22:28 +0000 Subject: chemstyle 2 (6jun09) git-svn-id: svn://tug.org/texlive/trunk@13659 c570f23f-e606-0410-a88d-b1316a301751 --- .../source/latex/chemstyle/chemscheme.dtx | 1998 -------------------- 1 file changed, 1998 deletions(-) delete mode 100644 Master/texmf-dist/source/latex/chemstyle/chemscheme.dtx (limited to 'Master/texmf-dist/source/latex/chemstyle/chemscheme.dtx') diff --git a/Master/texmf-dist/source/latex/chemstyle/chemscheme.dtx b/Master/texmf-dist/source/latex/chemstyle/chemscheme.dtx deleted file mode 100644 index 7b148c0f95b..00000000000 --- a/Master/texmf-dist/source/latex/chemstyle/chemscheme.dtx +++ /dev/null @@ -1,1998 +0,0 @@ -% \iffalse meta-comment -% -% Copyright (C) 2007-08 by -% Joseph Wright -% -% This work may be distributed and/or modified under the -% conditions of the LaTeX Project Public License, either -% version 1.3 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 1.3 or later is part of all distributions of -% LaTeX version 2003/12/01 or later. -% -% This work has the LPPL maintenance status `maintained.' -% -% The current maintainer of this work is Joseph Wright. -% -% This work consists of the source file chemscheme.dtx and -% chemscheme.cdx -% and the derived files chemscheme.ins, -% chemscheme.sty, -% chemscheme.pdf, -% chemscheme-manual.pdf, -% chemscheme-demo.ltx, -% scheme-one.eps, -% scheme-two.eps, -% jawltxdoc.sty and -% -% TDS-ready files: -% The compressed file chemscheme.tds.zip contains an unpacked -% version of all of the files included here, and pre-compiled -% documentation in PDF format. Simply decompress -% chemscheme.tds.dtx in your local TeX directory, run your hash -% program (texhash, initexmf --update-fndb, etc.) and everything -% will be ready to go. The user documentation for the package is -% called chemscheme-manual.pdf; the file chemscheme.pdf includes -% the user manual and the fully-indexed source code. -% -% Unpacking: -% (a) If chemscheme.ins is present: -% tex chemscheme.ins -% (b) Without chemscheme.ins: -% tex chemscheme.dtx -% (c) If you use LaTeX to generate files: -% latex \let\install=y\input{chemscheme.dtx} -% -% Documentation: -% (a) Without write18 enabled: -% latex chemscheme.dtx -% (Comment out "inactive" line in driver where indicated) -% latex chemscheme.dtx -% dvips -o chemscheme-pics.ps chemscheme.dvi -% ps2pdf chemscheme-pics.ps -% bibtex8 --wolfgang chemscheme.aux -% makeindex -s gind.ist chemscheme.idx -% makeindex -s gglo.ist -o chemscheme.gls chemscheme.glo -% pdflatex chemscheme.dtx -% pdflatex chemscheme.dtx -% (b) With write18 enabled: -% latex chemscheme.dtx -% (Comment out "inactive" line in driver where indicated) -% latex chemscheme.dtx -% pdflatex chemscheme.dtx -% pdflatex chemscheme.dtx -% pdflatex chemscheme.dtx -% -% Installation: -% Copy chemscheme.sty and the various .cfg files to a location -% searched by TeX, and if required by your TeX installation, run -% the appropriate command to build a hash of files (texhash, -% initexmf --update-fndb, etc.) -% -% Note: -% The jawltxdoc.sty file is not needed for installation, -% only for building the documentation; it may be deleted -% after producing the documentation (if necessary). -% -%<*ignore> -% This is all taken verbatim from Heiko Oberdiek's packages -\begingroup - \def\x{LaTeX2e}% -\expandafter\endgroup -\ifcase 0\ifx\install y1\fi\expandafter - \ifx\csname processbatchFile\endcsname\relax\else1\fi - \ifx\fmtname\x\else 1\fi\relax -\else\csname fi\endcsname -% -%<*install> -\input docstrip.tex -\keepsilent -\askforoverwritefalse -\preamble - ---------------------------------------------------------------- - The chemstyle bundle --- Schemes and style for chemistry - Maintained by Joseph Wright - E-mail: joseph.wright@morningstar2.co.uk - Released under the LaTeX Project Public License v1.3 or later - See http://www.latex-project.org/lppl.txt - ---------------------------------------------------------------- - -\endpreamble -\Msg{Generating chemscheme files:} -\generate{\file{jawltxdoc.sty}{\from{\jobname.dtx}{jawltxdoc}} -} -\usedir{tex/latex/chemstyle} -\generate{\file{\jobname.sty}{\from{\jobname.dtx}{package}} -} -\usedir{source/latex/chemstyle} -\generate{\file{\jobname.ins}{\from{\jobname.dtx}{install}} -} -\nopreamble -\usedir{doc/latex/chemstyle} -\generate{\file{\jobname.bib}{\from{\jobname.dtx}{refs}} -} -\nopreamble\nopostamble -\usedir{doc/latex/chemstyle} -\generate{\file{scheme-one.eps}{\from{\jobname.dtx}{scheme}} - \file{scheme-two.eps}{\from{\jobname.dtx}{scheme,labels}} - \file{chemscheme-demo.ltx}{\from{\jobname.dtx}{demo}} -} -\endbatchfile -% -%<*ignore> -\fi -% Will Robertson's trick -\immediate\write18{bibtex8 --wolfgang \jobname} -\immediate\write18{makeindex -s gind.ist -o \jobname.ind \jobname.idx} -\immediate\write18{makeindex -s gglo.ist -o \jobname.gls \jobname.glo} -\immediate\write18{dvips -o \jobname-pics.ps \jobname.dvi} -\immediate\write18{ps2pdf \jobname-pics.ps} -% -%<*driver> -\PassOptionsToClass{a4paper}{article} -\documentclass[german,english,UKenglish]{ltxdoc} -\EnableCrossrefs -\CodelineIndex -\RecordChanges -%\OnlyDescription -\usepackage{jawltxdoc} -% A bit of one-off trickery for this package -% Use the method described in the documentation if you -% want to compile this DTX using PDFLaTeX -\usepackage[final -% Comment out the next line when using PDFLaTeX after the initial -% LaTeX run! -% ,inactive - ]{pst-pdf} -\begin{document} - \DocInput{\jobname.dtx} -\end{document} -% -% \fi -% -%\CheckSum{404} -% -% \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 \~} -% -% \GetFileInfo{\jobname.sty} -% -% \changes{v1.0}{2007/07/21}{Initial public release} -% \changes{v1.1}{2007/08/05}{Added float centring code} -% \changes{v1.2}{2007/08/18}{Removed \texttt{chapter} option} -% \changes{v1.2}{2007/08/18}{Improved emulation of standard float -% types} -%\changes{v1.2a}{2007/09/19}{License changed from GPL to LPPL} -%\changes{v1.2a}{2007/09/19}{Documentation for PDF use added} -%\changes{v1.3}{2007/10/04}{Improved French and German -% \texttt{babel} support} -%\changes{v1.4}{2008/06/24}{Added support for \pkg{floatrow}} -% -%\setkeys{lst}{language=[LaTeX]{TeX},moretexcs={}} -% -%\DoNotIndex{\@arabic,\@chapter,\@ifclassloaded,\@ifnextchar} -%\DoNotIndex{\@ifpackageloaded,\@ifundefined,\@ne,\@tempa,\@tempb} -%\DoNotIndex{\@undefined,\‘,\addto,\addtocontents,\addtodef} -%\DoNotIndex{\addvspace,\advance,\AtBeginDocument,\backmatter} -%\DoNotIndex{\begin,\c@chapter,\caption,\captionsfrench} -%\DoNotIndex{\captionsfrenchb,\captionsgerman,\captionsngerman} -%\DoNotIndex{\centering,\cftsetindents,\CNlabel,\CNlabelsub} -%\DoNotIndex{\compound,\counterwithin,\counterwithout,\csname} -%\DoNotIndex{\DeclareNewFloatType,\DeclareVoidOption,\def} -%\DoNotIndex{\define@key,\documentclass,\edef,\else,\end,\endcsname} -%\DoNotIndex{\expandafter,\FB@makecaption,\fi,\floatname,\floatsetup} -%\DoNotIndex{\ifartopt,\IfLanguageName,\ifnum,\ifx,\includegraphics} -%\DoNotIndex{\insertchapterspace,\kill@lastcounter,\label} -%\DoNotIndex{\languagename,\let,\listof,\lowercase,\MessageBreak} -%\DoNotIndex{\NeedsTeXFormat,\newcommand,\newcount,\newcounter} -%\DoNotIndex{\newfloat,\newif,\newlistentry,\newlistof,\p@} -%\DoNotIndex{\PackageError,\PackageInfo,\PackageWarning} -%\DoNotIndex{\ProcessKeyvalOptions,\protect,\ProvidesPackage} -%\DoNotIndex{\psfrag,\raggedleft,\relax,\renewcommand} -%\DoNotIndex{\RequirePackage,\scshape,\selectlanguage,\setcounter} -%\DoNotIndex{\SetupKeyvalOptions,\space,\string,\textsf,\the} -%\DoNotIndex{\thechapter,\usepackage,\z@} -% -% \title{\texttt{chemscheme} --- Support for chemical schemes% -% \thanks{This file describes version \fileversion, last revised -% \filedate.}} -% \author{Joseph Wright% -% \thanks{E-mail: joseph.wright@morningstar2.co.uk}} -% \date{Released \filedate} -% -% \maketitle -% -%\newcommand*{\flttype}[1]{\texttt{#1}} -%\begin{abstract} -% The \currpkg package consists of two parts, both related to -% chemical schemes. The package adds a \flttype{scheme} float type -% to the \LaTeX\ default types \flttype{figure} and \flttype{table}. -% The \flttype{scheme} float type acts in the same way as those -% defined by the \LaTeX\ kernel, but is intended for chemical -% schemes. The package also provides a method for adding automatic -% chemical numbering to schemes. -%\end{abstract} -% -%\begin{multicols}{2} -%\tableofcontents -%\end{multicols} -% -%\section{Introduction} -% By default, \LaTeX\ defines two float types, \flttype{figure} and -% \flttype{table}. Synthetic chemists make heavy use of schemes, -% which need a \flttype{scheme} float type. This is provided by -% \currpkg, in a manner consistent with the kernel floats. -% -% Synthetic chemists also number compounds for ease of reference. -% There are a number of \LaTeX\ packages which cover this area, most -% notably \pkg{bpchem} and \pkg{chemcompounds}. However, adding -% numbers automatically to schemes is not covered by any existing -% package. The \currpkg package seeks to rectify this. -%\floatcontentscentre -% -%\section{Floating schemes} -%\subsection{Basic use} -%\DescribeEnv{scheme} -% The package provides a new float type, scheme, accessed in the -% usual way. -%\begin{LaTeXexample}[float] -% \begin{scheme}[ht] -% \includegraphics{scheme-one} -% \caption{A scheme with no compound numbers.} -% \end{scheme} -%\end{LaTeXexample} -% The \flttype{scheme} float is designed to behave in the same way as -% the standard \LaTeX\ float environments \flttype{figure} and -% \flttype{table}. Thus schemes will be placed at the top of a page, -% where possible. As shown in the example, the use of positional -% modifiers is allowed. Labelling and referencing schemes also -% follows the \LaTeX\ conventions. \currpkg works hard to emulate -% the document class in use, and so the exact behaviour will depend -% on whether the standard classes, \textsc{koma}-Script or -% \pkg{memoir} are being used. -% -%\DescribeMacro{\listofschemes} -%\DescribeMacro{\listschemename} -% To match the \cs{listoffigures} and \cs{listoftables} macros -% provided by the \LaTeX\ kernel, \currpkg provides a -% \cs{listofschemes} command. This works in the same way as the -% kernel commands, with the default text stored in the macro -% \cs{listschemename}. Users upgrading from version 1.1 should note -% the change of macro name (from \cs{listscheme}). This is to bring -% \currpkg into line with the \LaTeX\ kernel naming convention. Also -% notice that \cs{listofschemes} no longer accepts an optional -% argument. The standard output is illustrated below. -%\begin{LaTeXexample}[resultonly] -% \listofschemes -%\end{LaTeXexample} -% -%\subsection{Altering the defaults} -%\DescribeOption{floats} -% There are a number of methods available to generate new float -% types. The \pkg{memoir} class can do this internally, or the -% \pkg{float} or \pkg{floatrow} packages can be loaded to provide the -% necessary system. When \pkg{memoir} is used, \currpkg uses the -% internal systems for generating new floats; for the standard -% classes, \pkg{floatrow} is used by default. The \opt{floats} -% package option can be used to control which method is employed. -% This uses the key--value system, can be given the values -% \opt{float}, \opt{floatrow} or \opt{memoir}: -%\begin{LaTeXexample}[noexample] -% \usepackage[floats=float]{chemscheme} -%\end{LaTeXexample} -% or -%\begin{LaTeXexample}[noexample] -% \usepackage[floats=floatrow]{chemscheme} -%\end{LaTeXexample} -% or -%\begin{LaTeXexample}[noexample] -% \usepackage[floats=memoir]{chemescheme} -%\end{LaTeXexample} -% The package will use the specified method if available (so -% \opt{memoir} only works if using the \pkg{memoir} class!). If -% either \pkg{float} or \pkg{floatrow} is loaded before \currpkg, -% this forces the choice. -% -%\DescribeMacro{\schemename} -% \cs{schemename} contains the text used in scheme captions (by -% default \schemename). This is used in the same manner as -% \cs{figurename} or \cs{tablename} to set up the text used in scheme -% captions. -%\begin{LaTeXexample}[float] -% \renewcommand*{\schemename}{Illustration} -% \begin{scheme}[ht] -% \includegraphics{scheme-one} -% \caption{A scheme that is not a Scheme!} -% \end{scheme} -%\end{LaTeXexample} -% -% -%\subsection{\pkg{babel} support} -% Schemes are provided with some support for \pkg{babel}. Currently, -% in addition to English, \currpkg provides alternatives for -% \cs{schemename} and \cs{listschemename} in French and German. Users -% of other languages are encouraged to supply suitable translations -% for inclusion in future versions of \currpkg. -% -%\section{Horizontal positioning of all floats} -%\DescribeMacro{\floatcontentscentre} -%\DescribeMacro{\floatcontentscenter} -%\DescribeMacro{\floatcontentsleft} -%\DescribeMacro{\floatcontentsright} -% The \LaTeX\ default is to position all float contents flush-left. -% There is no ``hook'' provided to alter this. The \currpkg package -% therefore provides commands to align all float contents -% automatically. As the macro names make clear, -% \cs{floatcontentscentre} will make all floats centred (for users -% speaking U.S.~English, the alternative spelling -% \cs{floatcontentscenter} is also available). The default behaviour -% is restored using the command \cs{floatcontentsleft}. Finally, -% \cs{floatcontentsright} is provided for use if needed. Notice that -% the float positioning commands should be given \emph{outside} -% floating environments, and apply to all subsequent floats. -%\begin{LaTeXexample}[float] -% \floatcontentsleft -% \begin{scheme}[ht] -% \includegraphics{scheme-one} -% \caption{A flush-left scheme.} -% \end{scheme} -% \floatcontentsright -% \begin{scheme}[ht] -% \includegraphics{scheme-one} -% \caption{A flush-right scheme.} -% \end{scheme} -% \floatcontentscentre -%\end{LaTeXexample} -% -% It is important to note that the positioning mechanism used here -% relies on a low-level hack of the \LaTeX\ kernel. This has been -% tested with the standard \LaTeX\ classes, the \pkg{memoir} class -% and the \textsc{koma}-Script bundled. Other document classes may -% not give the desired behaviour. -% -%\section{Reference numbers in graphics} -%\subsection{Background} -% There are a number of packages available on \CTAN\ for tracking -% compound reference numbers. The two with the most up to date and -% comprehensive features are \pkg{bpchem} and \pkg{chemcompounds}. -% Both allow in-text numbering to be handled automatically. However, -% neither will allow the use of these numbers directly in schemes, -% figures, \etc. Both leave it to the user to manually adapt schemes -% to match any changes in numbering. -% -% The \currpkg package provides a mechanism for rectifying this -% issue. The package makes use of the \pkg{psfrag} package, which -% means that it can only directly produce DVI output (using \LaTeX). -% However, direct PDF output using PDF\LaTeX\ is possible: see -% Section~\ref{subsec:pdf}. -% -%\DescribeMacro{\chemschemeref} -%\DescribeMacro{\chemschemerefsub} -% Users upgrading from v1.2 should note that ``\texttt{chem}'' has -% been removed from the start of most macro names. The main -% referencing commands \cs{chemschemeref} and \cs{chemschemerefsub} -% are retained for backward compatibility. -% -%\subsection{Usage} -% Getting automated numbers into schemes is a two step procedure. In -% the first step, schemes (or other graphics) should be prepared as -% normal and saved as encapsulated postscript (EPS) files. The most -% popular chemistry drawing package, \textsc{ChemDraw}, is able to do -% this from the \texttt{Save As \ldots} dialog. -%\DescribeMacro{\schemerefmarker} -% The positions where the auto-labels should be have to be marked in -% the EPS file. The marker should consist of an ``indicator'' that -% the text is to be replaced, followed by a reference number or -% letter. For automated substitution, the ``indicator'' text should -% be the same in all graphics; the value it is stored in -% \cs{schemerefmarker}, and has default value -% \textsf{\schemerefmarker}. Thus the graphics should contain labels -% \textsf{\schemerefmarker1}, \textsf{\schemerefmarker2}, \etc. A -% suitable unmodified graphic is shown in in the next example. -%\begin{LaTeXexample}[float] -% \begin{scheme}[ht] -% \includegraphics{scheme-two} -% \caption{A scheme with temporary compound numbers.} -% \end{scheme} -%\end{LaTeXexample} -% The value of \cs{schemerefmarker} may be altered as normal, -% so for example to use \textsf{XXX} as the indicator for -% replacement in all graphics, you would execute: -%\begin{LaTeXexample}[noexample] -% \renewcommand*{\schemerefmarker}{XXX} -%\end{LaTeXexample} -% -%\DescribeMacro{\schemeref} -% In the second step, the command \cs{schemeref} is used to indicate -% the mapping of the temporary markers to the automatically-managed -% numbering. The syntax of the command is -% \cs{chemschemeref}\oarg{temp-marker}\marg{label}, where -% \meta{temp-marker} is the marker used in the graphic, and -% \meta{label} is the name assigned to the compound by the user. By -% default, \currpkg will assume that \meta{temp-marker} consists of -% the marker plus a number, beginning at 1 and incrementing by 1 for -% each additional structure inside one float. Each replacement -% requires a separate \cs{chemschemeref}, all of which should appear -% before the relevant \cs{includegraphics} command. -% -% An example will make usage clearer. In the example used in this -% document, the starting material is given label \texttt{IMesHCl} and -% the product is called \texttt{IMes}. As is shown in the next -% example, in the EPS file these are labelled \textsf{TMP1} and -% \textsf{TMP2}, respectively. The automated package defaults are -% used. -%\begin{LaTeXexample}[float] -% \begin{scheme}[ht] -% \schemeref{IMesHCl} -% \schemeref{IMes} -% \includegraphics{scheme-two} -% \caption{A scheme with automated compound numbers.} -% \end{scheme} -%\end{LaTeXexample} -% With user-specified information on the text to be replaced, the -% entire text to be matched must be given.\footnote{In this example, -% this is redundant as the automated system will work fine.} -%\begin{LaTeXexample}[float] -% \begin{scheme}[ht] -% \schemeref[TMP1]{IMesHCl} -% \schemeref[TMP2]{IMes} -% \includegraphics{scheme-two} -% \caption{A scheme with explicitly numbered temporary labels.} -% \end{scheme} -%\end{LaTeXexample} -% Notice that the new label is centred on the middle of the temporary -% marker, with the same baseline. This should allow the user to -% obtain good alignment of labels and structures. -% -%\DescribeMacro{\schemerefsub} -% As described in Section~\ref{packages}, \currpkg supports -% \pkg{bpchem}, which allows tracking of sub-labels (\textbf{1a}, -% \textbf{1b}, \etc). To allow use of these in schemes, the -% \cs{schemerefsub} command is provided. This takes an additional -% argument \marg{sub-label}, which is used to generate the -% appropriate text. When used with \pkg{chemcompounds}, this command -% will gobble its arguments and issue a warning; no substitution will -% take place. -% -%\DescribeMacro{\schemerefformat} -% The format of chemical references is controlled by the underlying -% package, \pkg{bpchem} or \pkg{chemcompounds}. However, it is -% useful to be able to specify additional formatting for schemes. By -% default, \currpkg formats all reference numbers in a sans serif -% font. This is controlled by \cs{schemerefformat}. -%\begin{LaTeXexample}[float] -% % This needs the color or xcolor package loaded -% \renewcommand*{\schemerefformat} -% {\color{magenta}\textit} -% \begin{scheme}[ht] -% \schemeref{IMesHCl} -% \schemeref{IMes} -% \includegraphics{scheme-two} -% \caption{A scheme with altered label formatting.} -% \end{scheme} -%\end{LaTeXexample} -% The additional formatting applied within schemes may be altered by -% redefining \cs{schemerefformat}. By careful choice of the -% font commands given here, good visual matching should be obtained -% between the automatically-generated labels and other text in the -% scheme. In this document, the \textsc{ChemDraw} source uses 10 -% point Arial, with the \LaTeX\ sans serif font provided by the -% \pkg{helvet} package, loaded scaled to 95\,\%, \ie: -%\begin{LaTeXexample}[noexample] -% \usepackage[scaled=0.95]{helvet} -%\end{LaTeXexample} -% The \textsc{ChemDraw} file used to generate the example schemes is -% included with the package as \file{chemscheme.cdx}. -% -%\iffalse -%<*demo> -%\fi -%\subsection{\currpkg and -% \texorpdfstring{PDF\LaTeX}{PDFLaTeX}\label{subsec:pdf}} -% The automatic substitution of numbers in graphics relies on the the -% \pkg{psfrag} package. This works with \textsc{PostScript} files, -% and cannot therefore be used with PDF\LaTeX. However, all is not -% lost as the \pkg{pst-pdf} package provides a method for including -% \textsc{PostScript} files in a PDF\LaTeX\ run. However, this is -% not automatic and some effort is needed by the user.\footnote{The -% rest of this section is based closely on an example by Stefan -% Pinnow.} The example below shows a example for using PDF\LaTeX\ -% with \currpkg. -% \begin{macrocode} -\documentclass{article} -\usepackage[T1]{fontenc} -\usepackage{graphicx,chemscheme} -% Remove `inactive' after the first LaTeX run -\usepackage[inactive,final]{pst-pdf} -\begin{document} -\floatcontentscentre -An example file for PDFLaTeX use. -\begin{scheme} - \schemeref{IMesHCl} - \schemeref{IMes} - \includegraphics{scheme-two} - \caption{A scheme with automated compound numbers.} - \label{sc:scheme-one} -\end{scheme} -\end{document} -% \end{macrocode} -%\iffalse -% -%\fi -% -% First you need to run the file through \LaTeX, so your package can -% make the replacements in the picture. Then you need another run -% through \LaTeX\ with the \opt{inactive} option \pkg{pst-pdf} -% removed so that the modified pictures are extracted.\footnote{You -% can simply do the first \LaTeX\ run without loading \pkg{pst-pdf} -% at all, if you prefer.} Do not worry that you end up with a very -% odd looking DVI! Then you have to convert the extracted pictures to -% PDF by the following commands -%\begin{verbatim} -% dvips -o \jobname-pics.ps \jobname.dvi -% ps2pdf \jobname-pics.ps -%\end{verbatim} -% This converts the modified graphics into PDF format. After this, -% you can use PDF\LaTeX\ as normal for your schemes. Notice that you -% will have to repeat the process if you need to modify the schemes -% or numbering in any way. -% -%\subsection{Managing chemical numbering\label{packages}} -%\DescribeOption{bpchem} -%\DescribeOption{chemcompounds} -%\DescribeOption{tracking} -% The \currpkg package can use one of two packages for management of -% chemical numbering: \pkg{bpchem} and \pkg{chemcompounds}. As of -% v1.3, \pkg{chemcompounds} is the default package for managing -% reference numbers.\footnote{The change from \pkg{bpchem} is due to -% issues with \pkg{hyperref} support. The method used by -% \pkg{bpchem} to generate compound labels means that they are made -% into hyperlinks by \pkg{hyperref}, and therefore end up coloured -% when using the \opt{colorlinks} option. This is unlikely to be the -% desired effect, and \pkg{chemcompounds} does not behave in this -% way.} Both packages have advantages: \pkg{bpchem} allows the -% tracking of sub-references (very common in organic chemistry), -% whilst \pkg{chemcompounds} has a very well thought-out interface. -% It is technically feasible to support both simultaneously, but this -% is unlikely to have wide application. For this reason, \currpkg -% loads only one package, and uses this package to provide numbering -% management. The \currpkg package recognises the \opt{bpchem} and -% \opt{chemcompounds} to control this; the key--value version -% \opt{tracking=\ldots} can also be given. -% -%\section{Generating chemical schemes} -% -%\subsection{Overview} -% There are a number of ways of generating the graphical content of -% schemes. The choice of method will depend on what is available to -% the user, and how complex the schemes desired are. In this section, -% an overview of several approaches is given.\footnote{Thanks to -% Norwid-R.\ Behrnd for suggesting this section and giving a number -% of useful examples and tips.} The package author, who is a -% research worker in a university, favours using \textsc{ChemDraw} as -% it is regarded by many synthetic chemists as the best tool for this -% job. However, this is clearly overkill for users requiring a -% single diagram on a one-off basis. \textsc{ChemDraw} is also a -% commercial package running only under Windows and the MacOS. The -% following is necessarily somewhat brief and selective. For a -% thorough overview of graphics in \LaTeX, see Goossens -% \etal~\cite{Goossens2007}. -% -%\subsection{Macro-based methods} -% At the most basic, a chemical scheme is simply a collection of -% lines and symbols, as with any vector diagram. Hence, it is -% possible to construct schemes directly using packages such as -% PSTricks or \pkg{pgf}/Ti\emph{k}z. This is a complex method, and -% cannot be recommended for anyone except the very experienced and -% brave. -% -% At a more practical level, there are two packages available which -% allow typesetting of chemical structures in (La)\TeX, using -% specialised commands: XyM\TeX\ and ppch\TeX. Recent versions of -% the XyM\TeX\ package have not been made available on \CTAN, and the -% version held there is therefore considered to be obsolete. On the -% other hand, the ppch\TeX\ system, developed originally for -% Con\TeX{}t, is available. Both systems suffer from the lack of -% chemical logic in the input: it is very hard to tell from the code -% what is being represented. Drawing items such as ``curly arrows'', -% or making subtle alterations to positioning, is very challenging in -% purely macro-based systems. For these reasons, it is usually much -% more sensible to examine the available graphical methods. -% -%\subsection{Graphical methods} -% Moving to graphical systems, there is no reason that -% general-purpose vector drawing packages cannot be used for schemes. -% There are obviously several commercial (\textsc{CorelDraw}, -% \textsc{Adobe Illustrator}, \etc) and freeware (for example -% the \textsc{gimp}) drawing packages that can be used in this way. -% Simply rings and lines can easily be constructed, although in -% general-purpose programs the user has to watch that all bonds -% are the same length. -% -% For producing a large number of complex schemes, the particular -% abilities of dedicated software become a necessity. As well as the -% already-mentioned \textsc{ChemDraw}, programs such as \textsc{ISIS -% Draw} and \textsc{ChemSketch} are available free for personal -% use;\footnote{``Free'' as in without charge, not as in open -% source.} these programs are all Windows specific. In the -% open-source arena, there are a number of packages such as -% \textsc{XDrawChem} and \textsc{BKchem}, which offer cross-platform -% functionality. The differences between the various packages are in -% the ease of use, and ability to generate well-formattd output (for -% example, aligning structures). -% -% One which deserves mention for the \TeX\ user is TpX. This is a -% general purpose Windows graphics program specifically aimed at -% producing \TeX-friendly output (such as PSTricks and \pkg{tikz} -% code) from a graphical interface. TpX can accept clipboard data -% from other programs, so can be used to produce EPS files from -% programs which do not have native export facilities (such as -% \textsc{ISIS Draw}). -% -%\section{Known issues} -% -% The interaction of the different document classes, with options, -% plus the \pkg{babel} system means ensuring every possibility is -% covered is impossible. Users are asked to report any problems with -% compatibility with other packages or emulation of the standard -% float types. Additional \pkg{babel} strings are also welcome, as -% are improvements to those already provided. -% -% \StopEventually{\bibliographystyle{unsrt}\bibliography{chemscheme}} -% -% \iffalse -%<*package> -% \fi -% -% \section{Implementation} -% -% \subsection{Setup code} -%\begin{macro}{\csh@id} -% The initial code goes through the usual steps of identifying the -% package. -% \begin{macrocode} -\NeedsTeXFormat{LaTeX2e} -\def\csh@id$#1: #2.#3 #4 #5-#6-#7 #8 #9${% - #5/#6/#7\space v1.4a\space} -\ProvidesPackage{chemscheme} - [\csh@id $Id: chemscheme.dtx 48 2008-07-31 19:22:43Z joseph $ - Support for chemical schemes] -% \end{macrocode} -%\end{macro} -%\changes{v1.4}{2008/06/19}{Option handling completely re-written} -%\begin{macro}{\ifcsh@bpchem} -% Package options are handled using the key--value method, with -% \pkg{kvoptions} providing the back-end. Most of the code here is -% pretty basic; the aim is to set up the correct handling of -% float-creation and compound tracking. -% \begin{macrocode} -\RequirePackage{kvoptions,psfrag,iflang} -\SetupKeyvalOptions{ - family=csh, - prefix=csh@} -\newif\ifcsh@bpchem -\define@key{csh}{tracking} - {\csh@bpchemtrue - \lowercase{\edef\@tempa{#1}}% - \def\@tempb{bpchem}% - \ifx\@tempa\@tempb\else - \def\@tempb{chemcompounds}% - \ifx\@tempa\@tempb - \csh@bpchemfalse - \else - \PackageError{chemscheme} - {Unknown value `#1' for option numbers} - {The `tracking' option accepts values `bpchem' - and `chemcompounds'}% - \fi - \fi} -\DeclareVoidOption{chemcompounds}{\csh@bpchemfalse} -\DeclareVoidOption{bpchem}{\csh@bpchemtrue} -\DeclareVoidOption{chapter} - {\PackageInfo{chemscheme} - {Ignoring obsolete option `chapter'}} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\csh@fltpkg} -% The provision of floats can be handled by \pkg{floatrow}, -% \pkg{float} or \pkg{memoir}. The user is given an option, but if -% one of the packages is already loaded then this has to be taken -% into account. -% \begin{macrocode} -\define@key{csh}{floats} - {\lowercase{\renewcommand*{\csh@fltpkg}{#1}}% - \def\@tempa{floatrow}% - \ifx\csh@fltpkg\@tempa\else - \def\@tempa{float}% - \ifx\csh@fltpkg\@tempa\else - \def\@tempa{memoir}% - \ifx\csh@fltpkg\@tempa - \@ifclassloaded{memoir}{} - {\PackageWarning{chemscheme} - {You asked for floats to be created using memoir, - \MessageBreak but have used a different document - class\MessageBreak Using floatrow instead}% - \renewcommand*{\csh@fltpkg}{floatrow}}% - \else - \PackageError{chemscheme} - {Unknown value `#1' for option numbers} - {The `floats' option accepts values `float', - `floatrow' and `memoir'}% - \fi - \fi - \fi} -\@ifpackageloaded{floatrow} - {\newcommand*{\csh@fltpkg}{floatrow}% - \define@key{csh}{floats} - {\PackageInfo{chemscheme}{Package floatrow already - loaded\MessageBreak Option `floats' disabled}}} - {\@ifpackageloaded{float} - {\newcommand*{\csh@fltpkg}{float}% - \define@key{csh}{floats} - {\PackageInfo{chemscheme}{Package float already - loaded\MessageBreak Option `floats' disabled}}} - {\@ifclassloaded{memoir} - {\newcommand*{\csh@fltpkg}{memoir}} - {\newcommand*{\csh@fltpkg}{floatrow}}}} -\ProcessKeyvalOptions{csh} -% \end{macrocode} -%\end{macro} -%\changes{v1.4}{2008/06/20}{Float creation rewritten} -%\begin{macro}{\csh@load@memoir} -%\begin{macro}{\csh@load@float} -%\begin{macro}{\csh@load@floatrow} -% The necessary support is loaded by using an appropriately-named -% macro. For \pkg{memoir}, nothing actually has to be done. -% \begin{macrocode} -\newcommand*{\csh@load@memoir}{} -\newcommand*{\csh@load@float}{% - \@ifpackageloaded{float}{} - {\let\newfloat\@undefined} - \RequirePackage{float,caption}} -\newcommand*{\csh@load@floatrow}{% - \@ifpackageloaded{floatrow}{} - {\let\newfloat\@undefined} - \RequirePackage{floatrow,caption}} -\csname csh@load@\csh@fltpkg\endcsname -% \end{macrocode} -%\end{macro} -%\end{macro} -%\end{macro} -% -%\subsection{Support for schemes} -%\begin{macro}{\schemename} -%\begin{macro}{\listschemename} -%\changes{v1.2}{2007/08/18}{Replaces \cs{listschemes}} -% The default name for a scheme, and the default title for the list -% of schemes, are provided. Both command names follow the kernel -% conventions for figures and tables; unlike the kernel versions, -% however, these macros are not \cs{long}. -% \begin{macrocode} -\newcommand*{\schemename}{Scheme} -\newcommand*{\listschemename}{List of Schemes} -% \end{macrocode} -%\end{macro} -%\end{macro} -%\begin{environment}{scheme} -%\begin{macro}{\listofschemes} -%\begin{macro}{\csh@makesch@memoir} -%\begin{macro}{\csh@mksch@memoir} -%\begin{macro}{\csh@makesch@float} -%\begin{macro}{\csh@mksch@float} -%\begin{macro}{\csh@makesch@floatrow} -% As with package loading, three different macros are defined here to -% create the new float type. As well as the basics of creating the -% float, some work is needed as adjustments must be made to match the -% style of the kernel floats. For the \pkg{floatrow} package, things -% have to be done in the preamble, whereas for the others everything -% happens later. -% \begin{macrocode} -\newcommand*{\csh@makesch@memoir}{% - \AtBeginDocument{\csh@mksch@memoir}} -\newcommand*{\csh@mksch@memoir}{% - \newfloat[chapter]{scheme}{los}{\schemename} - \kill@lastcounter{losdepth} - \renewcommand*{\thescheme}{\thechapter.\@arabic\c@scheme} - \addtodef{\@smemfront}{}{\counterwithout{scheme}{chapter}} - \addtodef{\@smemmain}{}{% - \ifartopt\else - \counterwithin{scheme}{chapter} - \fi} - \addtodef{\backmatter}{}{% - \ifartopt\else - \counterwithout{scheme}{chapter}% - \setcounter{scheme}{0}% - \fi} - \ifartopt - \counterwithout{scheme}{chapter}% - \fi - \newlistof{listofschemes}{los}{\listschemename} - \kill@lastcounter{losdepth} - \newlistentry[chapter]{scheme}{los}{0} - \cftsetindents{scheme}{0em}{2.3em} - \addtodef{\insertchapterspace}{}% - {\addtocontents{los}{\protect\addvspace{10pt}}} - \@ifundefined{c@losdepth}% - {\newcounter{losdepth}\setcounter{losdepth}{1}}{}} -\newcommand*{\csh@makesch@float}{% - \AtBeginDocument{\csh@mksch@float}} -\newcommand*{\csh@mksch@float}{% - \@ifundefined{chapter} - {\newfloat{scheme}{tbp}{los}} - {\newfloat{scheme}{tbp}{los}[chapter]% - \csh@fixchapter}% - \floatname{scheme}{\schemename} - \newcommand*{\listofschemes}{% - \listof{scheme}{\listschemename}}} -% \end{macrocode} -%\changes{v1.4a}{2008/07/31}{Fixed bug with float definition, \pkg{floatrow} -% and chapters} -% Using \pkg{floatrow}, the definition depends on whether chapters -% are in use. -% \begin{macrocode} -\newcommand*{\csh@makesch@floatrow}{% - \@ifundefined{chapter} - {\DeclareNewFloatType{scheme} - {fileext=los,placement=tbp,name=Scheme}} - {\DeclareNewFloatType{scheme} - {fileext=los,placement=tbp,name=Scheme,within=chapter}% - \csh@fixchapter}% - \newcommand*{\listofschemes}{% - \listof{scheme}{\listschemename}}} -% \end{macrocode} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -%\begin{macro}{\csh@fixchapter} -%\begin{macro}{\csh@chapter} -%\begin{macro}{\@chapter} -% When not using \pkg{memoir}, chapters may or may not be defined. -% This means a little extra work. -% \begin{macrocode} -\newcommand*{\csh@fixchapter}{% - \@ifundefined{KOMAScriptVersion} - {\renewcommand*{\thescheme}{% - \ifnum\c@chapter>\z@ \thechapter.\fi \@arabic\c@scheme}} - {}% - \let\csh@chapter\@chapter - \renewcommand{\@chapter}{% - \addtocontents{los}{\protect\addvspace{10\p@}}% - \csh@chapter}} -% \end{macrocode} -%\end{macro} -%\end{macro} -%\end{macro} -% The appropriate creation macro is now called. -% \begin{macrocode} -\csname csh@makesch@\csh@fltpkg\endcsname -% \end{macrocode} -%\end{macro} -%\end{environment} -% -%\subsection{Positioning float contents} -%\begin{macro}{\floatcontentscentre} -%\begin{macro}{\floatcontentscenter} -%\begin{macro}{\floatcontentsleft} -%\begin{macro}{\floatcontentsright} -% When using \pkg{floatrow}, centring all floats is easy. This is -% not the case for other methods, and so some macros are provided. -% The definitions depend on whether \pkg{floatrow} is in use. -% \begin{macrocode} -\def\@tempa{floatrow} -\ifx\@tempa\csh@fltpkg - \newcommand*{\floatcontentscentre}{% - \floatsetup{objectset=centering}} - \newcommand*{\floatcontentscenter}{% - \floatsetup{objectset=centering}} - \newcommand*{\floatcontentsright}{% - \floatsetup{objectset=raggedleft}} - \newcommand*{\floatcontentsleft}{% - \floatsetup{objectset=raggedright}} -% \end{macrocode} -%\begin{macro}{\csh@floatboxreset} -%\begin{macro}{\@floatboxreset} -%\begin{macro}{\csh@everyfloat} -% When \pkg{floatrow} is not in use, then a low-level hack of -% \cs{@floatboxtreset} is used. -% \begin{macrocode} -\else - \let\csh@floatboxreset\@floatboxreset - \renewcommand*{\@floatboxreset}{% - \csh@everyfloat - \csh@floatboxreset} - \newcommand*{\floatcontentscentre}{% - \let\csh@everyfloat\centering} - \newcommand*{\floatcontentscenter}{% - \let\csh@everyfloat\centering} - \newcommand*{\floatcontentsleft}{% - \let\csh@everyfloat\relax} - \newcommand*{\floatcontentsright}{% - \let\csh@everyfloat\raggedleft} -\fi -\floatcontentsleft -% \end{macrocode} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -%\end{macro} -% -%\subsection{\pkg{babel} support} -%\begin{macro}{\ifcsh@babel} -% To make the new float type work with \pkg{babel}, some alternative -% text is provided for non-English users. First, we need to know if -% \pkg{babel} is loaded \emph{before} \currpkg or after, as this -% affects one if the hacks needed for French. -% \begin{macrocode} -\newif\ifcsh@babel -\@ifpackageloaded{babel} - {\csh@babeltrue} - {} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\floatc@plain} -% There is then one hack to be made for French which has to be made -% before the beginning of the document \emph{if} \pkg{babel} is -% loaded before \currpkg. This is only needed when \pkg{memoir} is -% not in use. So there is a run of tests to see if the conditions -% for the hack are met. \pkg{babel} support for French needs two -% name checks, \emph{zut alors}! -% \begin{macrocode} -\@ifclassloaded{memoir}{} - {\@ifpackageloaded{babel} - {\IfLanguageName{french} - {\let\floatc@plain\FB@makecaption} - {\IfLanguageName{frenchb} - {\let\floatc@plain\FB@makecaption} - {}}} - {}} -% \end{macrocode} -%\end{macro} -% The definition of new stings is delayed until the beginning of the -% document, so that things work if \pkg{babel} is loaded after -% \currpkg. The multiple language names mean quite a bit of -% repetition here. -% \begin{macrocode} -\AtBeginDocument{ - \@ifpackageloaded{babel} - {\addto{\captionsngerman}{% - \renewcommand*{\schemename}{Schema}} - \addto{\captionsngerman}{% - \renewcommand*{\listschemename}{Schemenverzeichnis}} - \addto{\captionsgerman}{% - \renewcommand*{\schemename}{Schema}} - \addto{\captionsgerman}{% - \renewcommand*{\listschemename}{Schemenverzeichnis}} -% \end{macrocode} -% French settings. \pkg{babel} also changes some style parameters here, -% so \currpkg tries to match this. -% \begin{macrocode} - \addto{\captionsfrench}{% - \renewcommand*{\schemename}{\scshape Sch\`eme}} - \addto{\captionsfrench}{% - \renewcommand*{\listschemename}{Table des sch\`emes}} - \addto{\captionsfrenchb}{% - \renewcommand*{\schemename}{\scshape Sch\`eme}} - \addto{\captionsfrenchb}{% - \renewcommand*{\listschemename}{Table des sch\`emes}} -% \end{macrocode} -% To make these changes, \pkg{babel} has to be instructed to reload the current -% language. -% \begin{macrocode} - \expandafter\selectlanguage\expandafter{\languagename} -% \end{macrocode} -% If \pkg{babel} was loaded after \currpkg, and the document is in -% French, then the non-\pkg{memoir} patch for floats is needed here. -% This is the same one described earlier, which cannot be delayed to -% here if \pkg{babel} is loaded first. -% \begin{macrocode} - \@ifclassloaded{memoir}{} - {\IfLanguageName{french} - {\ifcsh@babel\else - \let\floatc@plain\FB@makecaption - \fi} - {\IfLanguageName{frenchb} - {\ifcsh@babel\else - \let\floatc@plain\FB@makecaption - \fi} - {}}} - {}}{}} -% \end{macrocode} -% -%\subsection{Reference numbers in graphics} -%\begin{macro}{\schemerefmarker} -%\changes{v1.3}{2007/10/04}{Name change} -%\begin{macro}{\schemerefformat} -%\changes{v1.3}{2007/10/04}{Name change} -% The two macros \cs{schemerefmarker} and \cs{schemerefformat} -% are used to allow customisation of the behaviour of the package. -% Here defaults are provided. -% \begin{macrocode} -\newcommand*{\schemerefmarker}{TMP} -\newcommand*{\schemerefformat}{\textsf} -% \end{macrocode} -%\end{macro} -%\end{macro} -%\begin{macro}{\csh@label} -% Depending on the user options provided, either \pkg{bpchem} or -% \pkg{chemcompounds} is loaded to manage chemical citations. The macro -% \cs{chemsch@label} is defined as the labelling command of the -% appropriate package. -% \begin{macrocode} -\ifcsh@bpchem - \RequirePackage{bpchem} - \let\csh@label\CNlabel -\else - \RequirePackage{chemcompounds} - \let\csh@label\compound -\fi -% \end{macrocode} -%\end{macro} -%\begin{macro}{\csh@num} -% A counter is needed for automatic substitution of reference -% numbers. This has to be a \TeX\ count, rather than a \LaTeX\ -% counter, as it has to be local. -% \begin{macrocode} -\newcount\csh@num -% \end{macrocode} -%\end{macro} -%\begin{macro}{\schemeref} -%\changes{v1.3}{2007/10/04}{New macro} -% The user macro for referencing a compound in a graphic. First the -% automatic counter is incremented. -% \begin{macrocode} -\newcommand*{\schemeref}{% - \advance\csh@num\@ne -% \end{macrocode} -% Now the presence of an optional argument is tested for. If there -% is not one, the value of the automatic counter is used. -% \begin{macrocode} - \@ifnextchar[%] - {\csh@schemeref} - {\csh@schemeref[\schemerefmarker\the\csh@num]}} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\csh@schemeref} -% The internal command to substitute the temporary marker by -% the automatic label text. The use of |[b][b]| ensures that -% the new text is centred on the position of the marker. -% \begin{macrocode} -\def\csh@schemeref[#1]#2{% - \psfrag{#1}[b][b] - {\schemerefformat{\csh@label{#2}}}} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\csh@schemerefsub} -% For sub-referencing using \pkg{bpchem}, a similar macro is needed -% using the \cs{CNlabelsub} command. This is defined here, with the -% user macro later. -% \begin{macrocode} -\def\csh@schemerefsub[#1]#2#3{% - \psfrag{#1}[b][b] - {\schemerefformat{\CNlabelsub{#2}{#3}}}} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\chemschemeref} -%\changes{v1.3}{2007/10/04}{Converted to a wrapper for -% \cs{schemeref}} -% The \cs{chemschemeref} is now a backward-compatibility wrapper for -% \cs{schemeref}. -% \begin{macrocode} -\newcommand*{\chemschemeref}[1]{\schemeref[#1]} -% \end{macrocode} -%\end{macro} -%\begin{macro}{\schemerefsub} -%\changes{v1.3}{2007/10/04}{New macro} -%\begin{macro}{\chemschemerefsub} -%\changes{v1.3}{2007/10/04}{Now a wrapper for \cs{schemerefsub}} -% The user sub-referencing macro is defined in a package-dependent -% manner. If \pkg{bpchem} is loaded, then \cs{schemerefsub} works in -% the same way as \cs{schemeref}, but calling the |sub| version of -% the internal macro. -% \begin{macrocode} -\ifcsh@bpchem - \newcommand*{\schemerefsub}{% - \advance\csh@num\@ne - \@ifnextchar[%] - {\csh@schemerefsub} - {\csh@schemerefsub[\schemerefmarker\the\csh@num]}} - \newcommand*{\chemschemerefsub}[1]{\schemerefsub[#1]} -% \end{macrocode} -% If \pkg{chemcompounds} is in use, then the sub-reference commands -% gobble the arguments given. The automatic counter is still -% incremented, so that things stay (reasonably) logical. -% \begin{macrocode} -\else - \newcommand*{\schemerefsub}[3][]{% - \advance\csh@num\@ne - \PackageWarning{chemscheme} - {`chemcompound' option active\MessageBreak - Command \string\chemschemerefsub\space not used - \MessageBreak Please alter your source to \MessageBreak - \string\chemschemeref}} - \newcommand*{\chemschemerefsub}{\schemerefsub} -\fi -% \end{macrocode} -%\end{macro} -%\end{macro} -% \iffalse -% -% \fi -% \PrintChanges -% \PrintIndex -% \Finale -%\iffalse -%<*scheme> -%!PS-Adobe-2.0 EPSF-1.2 -%%Creator: ChemDraw Std(tm) 10.0 -%%%Title: scheme-one.eps -%%%Title: scheme-two.eps -%%CreationDate: 21/07/2007 12:00 -%%DocumentSuppliedProcSets: chemdict30 24 13 -%%DocumentFonts: Helvetica Helvetica-Oblique -%%BoundingBox: 30 78 288 144 -%%EndComments -%%BeginProcSet: chemdict30 24 13 -% ChemDraw Laser Prep -% Copyright © 1985-2005 CambridgeSoft Corp., All Rights Reserved -userdict/chemdict30 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