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authorKarl Berry <karl@freefriends.org>2006-11-01 23:50:14 +0000
committerKarl Berry <karl@freefriends.org>2006-11-01 23:50:14 +0000
commitbcec5cf9be8a366b39aab4c13fa9e455b6e724ca (patch)
tree10af70bab7eedf89d55be20d1a3b9c334ad80ea3 /Master/texmf-dist/doc/latex/beamer/beamerug-graphics.tex
parent8cdb9ebeb89ec677972e7a568938c6a0dd313145 (diff)
beamer update to get solutions/ et al. (reported by gerben)
git-svn-id: svn://tug.org/texlive/trunk@2379 c570f23f-e606-0410-a88d-b1316a301751
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-% $Header: /cvsroot/latex-beamer/latex-beamer/doc/beamerug-graphics.tex,v 1.8 2004/11/01 16:18:44 tantau Exp $
-
-
-% Copyright 2003, 2004 by Till Tantau <tantau@users.sourceforge.net>.
-%
-% This program can be redistributed and/or modified under the terms
-% of the GNU Public License, version 2.
-
-\section{Graphics}
-
-
-\label{section-graphics}
-
-In the following, the advantages and disadvantages of different
-possible ways of creating graphics for \beamer\ presentations are
-discussed. Much of the information presented in the following is not
-really special to \beamer, but applies to any other document class as well.
-
-
-\subsection{Including External Graphic Files Versus Inlines Graphics}
-
-There are two principal ways of creating \TeX-documents that include
-graphics: Either the graphic resides in an external file that is
-\emph{included} or the graphic is \emph{inlined}, which means that
-\TeX-file contains a bunch commands like ``draw a red line from
-here to there.'' In the following, the advantages and disadvantages of
-these two approaches are discussed.
-
-You can use an external program, like |xfig| or the Gimp, to create a
-graphic. These programs have an option to \emph{export} graphic files
-in a format that can then be inserted into the presentation.
-
-The main advantage is:
-\begin{itemize}
-\item
- You can use a powerful program to create a high-quality graphic.
-\end{itemize}
-
-The main disadvantages are:
-\begin{itemize}
-\item
- You have to worry about many files. Typically there are at least
- two for each presentation, namely the program's graphic data file and the
- exported graphic file in a format that can be read by \TeX.
-\item
- Changing the graphic using the program does not automatically change
- the graphic in the presentation. Rather, you must reexport the
- graphic and rerun \LaTeX.
-\item
- It may be difficult to get the line width, fonts, and font sizes
- right.
-\item
- Creating formulas as part of graphics is often difficult or
- impossible.
-\end{itemize}
-
-You can use all the standard \LaTeX\ commands for inserting graphics,
-like |\includegraphics| (be sure to include the package
-|graphics| or |graphicx|). Also, the |pgf| package offers commands for
-including graphics. Either will work fine in most situations, so
-choose whichever you like. Like |\pgfdeclareimage|,
-|\includegraphics| also includes an image only once in a |.pdf| file,
-even if it used several times (as a matter of fact, the |graphics|
-package is even a bit smarter about this than |pgf|). However,
-currently only |pgf| offers the ability to include images that are
-partly transparent.
-
-At the end of this section you will find notes on how to include
-specific graphic formats like |.eps| or |.jpg|.
-
-\lyxnote
-You can use the usual ``Insert Graphic'' command to insert a graphic.
-
-The commands |\includegraphics|, |\pgfuseimage|, and |\pgfimage| are
-overlay-specification-aware in \beamer. If the overlay specification
-does not apply, the command has no effect. This is useful for creating
-a simple animation where each picture of the animation resides in a
-different file:
-
-\begin{verbatim}
-\begin{frame}
- \includegraphics<1>[height=2cm]{step1.pdf}%
- \includegraphics<2>[height=2cm]{step2.pdf}%
- \includegraphics<3>[height=2cm]{step3.pdf}%
-\end{frame}
-\end{verbatim}
-
-
-A different way of creating graphics is to insert
-graphic drawing commands directly into your \LaTeX\ file. There are numerous
-packages that help you do this. They have various degrees of
-sophistication. Inlining graphics suffers from none of the
-disadvantages mentioned above for including external graphic files,
-but the main disadvantage is that it is often hard to use
-these packages. In some sense, you ``program'' your graphics, which
-requires a bit of practice.
-
-When choosing a graphic package, there are a few things to keep in
-mind:
-\begin{itemize}
-\item
- Many packages produce poor quality graphics. This is especially true
- of the standard |picture| environment of \LaTeX.
-\item
- Powerful packages that produce high-quality graphics often do not
- work together with |pdflatex|.
-\item
- The most powerful and easiest-to-use package around, namely
- |pstricks|, does not work together with |pdflatex| and
- this is a fundamental problem. Due to the fundamental differences
- between \textsc{pdf} and PostScript, it is not possible to write a
- ``|pdflatex| back-end for |pstricks|.''
-\end{itemize}
-
-A solution to the above problem (though not necessarily the best) is
-to use the \textsc{pgf} package. It produces high-quality graphics and
-works together with |pdflatex|, but also with normal
-|latex|. It is not as powerful as |pstricks| (as pointed
-out above, this is because of rather fundamental reasons) and not as
-easy to use, but it should be sufficient in most cases.
-
-\lyxnote
-Inlined graphics must currently by inserted in a large \TeX-mode
-box. This is not very convenient.
-
-
-\subsection{Including Graphic Files Ending \texttt{.eps} or \texttt{.ps}}
-
-External graphic files ending with the extension |.eps| (Encapsulated
-PostScript) or |.ps| (PostScript) can be included if you use |latex|
-and |dvips|, but \emph{not} when using |pdflatex|. This is true
-both for the normal |graphics| package and for |pgf|. When using
-|pgf|, do \emph{not} add the extension |.eps|. When using
-|graphics|, do add the extension.
-
-If you have a |.eps| graphic and wish to use |pdflatex|, you can use
-the program |ps2pdf| to convert the graphic to a |.pdf| file. Note,
-however, that it is often a better idea to directly generate a |.pdf|
-if the program that produced the |.eps| supports this.
-
-
-\subsection{Including Graphic Files Ending \texttt{.pdf},
- \texttt{.jpg}, \texttt{.jpeg} or \texttt{.png}}
-
-The four formats |.pdf|, |.jpg|, |.jpeg|, and |.png| can only be
-included by |pdflatex|. As before, do not add these extension when
-using |pgf|, but do add them when using |graphics|. If your graphic
-file has any of these formats and you wish/must you |latex| and
-|dvips|, you have to convert your graphic to |.eps| first.
-
-
-\subsection{Including Graphic Files Ending \texttt{.mps}}
-
-A graphic file ending |.mps| (MetaPost PostScript) is a special kind
-of Encapsulated PostScript file. Files in this format are produced by
-the MetaPost program. As you know, \TeX\ is a program that converts
-simple plain text into beautifully typeset documents. The MetaPost
-program is similar, only it converts simple plain text into beautiful
-graphics.
-
-The MetaPost program converts a plain text file ending |.mp|
-into an |.mps| file (although for some unfathomable reason the
-extension is not added). The |.mp| file
-must contain text written in the MetaFont programming language. Since
-|.mps| files are actually also |.eps| files, you can use the normal
-|\includegraphics| command to include them.
-
-However, as a special bonus, you can \emph{also}
-include such a file when using |pdflatex|. Normally, |pdflatex| cannot
-handle |.eps| files, but the |.mps| files produced by MetaPost have
-such a simple and special structure that this is possible. The |graphics|
-package implements some filters to convert such PostScript output to
-\pdf\ on-the-fly. For this to work, the file should end |.mps| instead
-of |.eps|. The following command can be used to make the |graphics|
-package just \emph{assume} the extension |.mps| for any file it knows
-nothing about (like files ending with |.1|, which is what MetaPost
-loves to produce):
-\begin{verbatim}
-\DeclareGraphicsRule{*}{mps}{*}{}
-\end{verbatim}
-
-This special feature currently only works with the |graphics|
-package, not with |pgf|.
-
-
-
-\subsection{Including Graphic Files Ending \texttt{.mmp}}
-
-The format |.mmp| (Multi-MetaPost) is actually not format that can be
-included directly in a \TeX-file. Rather, like a |.mp| file, it first
-has to be converted using the MetaPost program. The crucial difference
-between |.mp| and |.mmp| is that in the latter multiple graphics
-can reside in a single |.mmp| file (actually, multiple graphics can
-also reside in a |.mp| file, but by convention such a file is called
-|.mmp|). When running MetaPost on a |.mmp| file, it will create not a
-single encapsulated PostScript file, but several, ending |.0|, |.1|,
-|.2|, and so on. The idea is that |.0| might contain a main graphics
-and the following pictures contain overlay material that should be
-incrementally added to this graphic.
-
-To include the series of resulting files, you can use the command
-|\multiinclude| from the |mpmulti| or from the |xmpmulti| package. How
-this program works is explained in Section~\ref{section-mpmulti}.
-
-
-
-
-
-%%% Local Variables:
-%%% mode: latex
-%%% TeX-master: "beameruserguide"
-%%% End: