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metauml 安装使用错误

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metauml 安装使用错误

这个问题有点宽泛，但我正在尝试安装 metauml（我使用的是 Mac 和 texlive）。我下载了软件包并运行了安装脚本，该脚本将 metauml 目录放在 metapost 目录下（这是我所期望的）。但是，我无法让它运行。我有以下代码：

\documentclass[a4paper,12pt]{article}
\usepackage{amssymb} % needed for math
\usepackage{amsmath} % needed for math
\usepackage[utf8]{inputenc} % this is needed for german umlauts
\usepackage[ngerman]{babel} % this is needed for german umlauts
\usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
\usepackage[margin=1.5cm]{geometry} %layout

% this is needed for forms and links within the text
\usepackage{hyperref}  

% The following is needed in order to make the code compatible
% with both latex/dvips and pdflatex.
\ifx\pdftexversion\undefined
\usepackage[dvips]{graphicx}
\else
\usepackage[pdftex]{graphicx}
\DeclareGraphicsRule{*}{mps}{*}{}
\fi

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% THE DOCUMENT BEGINS                                                %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\section{Class diagram}
\includegraphics{metadiagram.mp}
\end{document}

metadiagram.mp在同一个文件夹中，定义如下：

input metauml;
beginfig(1);
Class.World("World")
       ("-age: int",
        "#ressources: List") 
       ("+sayHello(): void");

Class.NoHuman("Human")
       ("-birthday: Date",
        "-nickname: String",
        "-secret: String") 
       ("+code(language: Language): Program");

leftToRight(50)(World, NoHuman);
drawObjects(World, NoHuman);

link(aggregation)(NoHuman.w -- World.e);
item(iAssoc)("1")(obj.n     = .2[World.e,NoHuman.w]);
item(iAssoc)("has >")(obj.n = .5[World.e,NoHuman.w]);
item(iAssoc)("0..*")(obj.n  = .8[World.e,NoHuman.w]);

endfig;
end

我收到错误：无法确定 metadiagram.mp 中的图形大小（没有 BoundingBox）

有人可以帮忙吗？

答案1

您不能包含.mp应事先由 Metapost 处理的文件。

如何运行 Metapost 取决于您的操作系统和 TeX 发行版；TeXShop 和 TeXworks 可能有菜单项。通常，您可以打开终端窗口，cd进入包含该文件的目录并执行

mpost metadiagram.mp

这将生成一个文件metadiagram.1，因为你说的beginfig(1)是

\includegraphics{metadiagram.1}

会做。

请注意，您使用的加载方式graphicx是错误的。应该是

\usepackage{ifpdf}
\usepackage{graphicx}
\ifpdf
  \DeclareGraphicsRule{*}{mps}{*}{}
\fi

还有另一种方法可以继续，使用gmp包。对于你的情况，输入应该是

\documentclass[a4paper,12pt]{article}
\usepackage{amssymb} % needed for math
\usepackage{amsmath} % needed for math
\usepackage[utf8]{inputenc} % this is needed for german umlauts
\usepackage[ngerman]{babel} % this is needed for german umlauts
\usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
\usepackage[margin=1.5cm]{geometry} %layout

\usepackage[shellescape]{gmp}

\usepackage{ifpdf}
\ifpdf
\DeclareGraphicsRule{*}{mps}{*}{}
\fi

% this is needed for forms and links within the text
\usepackage{hyperref}  

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% THE DOCUMENT BEGINS                                                %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\section{Class diagram}

\begin{mpost}[mpsettings={input metauml;},use]
Class.World("World")
       ("-age: int",
        "#ressources: List") 
       ("+sayHello(): void");

Class.NoHuman("Human")
       ("-birthday: Date",
        "-nickname: String",
        "-secret: String") 
       ("+code(language: Language): Program");

leftToRight(50)(World, NoHuman);
drawObjects(World, NoHuman);

link(aggregation)(NoHuman.w -- World.e);
item(iAssoc)("1")(obj.n     = .2[World.e,NoHuman.w]);
item(iAssoc)("has >")(obj.n = .5[World.e,NoHuman.w]);
item(iAssoc)("0..*")(obj.n  = .8[World.e,NoHuman.w]);
\end{mpost}

\end{document}

如果您使用开关（TeXShop 中的首选项允许您启用它）处理此文档（请注意 Metapost 源嵌入其中）-shell-escape，则 Metapost 运行将自动执行。

在此处输入图片描述

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