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117 lines
3 KiB
TeX
117 lines
3 KiB
TeX
\documentclass[12pt]{article}
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% Use this form to include EPS (latex) or PDF (pdflatex) files:
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\usepackage{asymptote}
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% Use this form with latex or pdflatex to include inline LaTeX code by default:
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%\usepackage[inline]{asymptote}
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% Use this form with latex or pdflatex to create PDF attachments by default:
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%\usepackage[attach]{asymptote}
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% Enable this line to support the attach option:
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%\usepackage[dvips]{attachfile2}
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\begin{document}
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% Optional subdirectory for asy files (no spaces):
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\def\asydir{}
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\begin{asydef}
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// Global Asymptote definitions can be put here.
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import three;
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usepackage("bm");
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texpreamble("\def\V#1{\bm{#1}}");
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// One can globally override the default toolbar settings here:
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// settings.toolbar=true;
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\end{asydef}
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Here is a venn diagram produced with Asymptote, drawn to width 4cm:
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\def\A{A}
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\def\B{\V{B}}
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%\begin{figure}
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\begin{center}
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\begin{asy}
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size(4cm,0);
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pen colour1=red;
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pen colour2=green;
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pair z0=(0,0);
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pair z1=(-1,0);
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pair z2=(1,0);
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real r=1.5;
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path c1=circle(z1,r);
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path c2=circle(z2,r);
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fill(c1,colour1);
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fill(c2,colour2);
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picture intersection=new picture;
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fill(intersection,c1,colour1+colour2);
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clip(intersection,c2);
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add(intersection);
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draw(c1);
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draw(c2);
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//draw("$\A$",box,z1); // Requires [inline] package option.
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//draw(Label("$\B$","$B$"),box,z2); // Requires [inline] package option.
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draw("$A$",box,z1);
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draw("$\V{B}$",box,z2);
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pair z=(0,-2);
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real m=3;
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margin BigMargin=Margin(0,m*dot(unit(z1-z),unit(z0-z)));
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draw(Label("$A\cap B$",0),conj(z)--z0,Arrow,BigMargin);
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draw(Label("$A\cup B$",0),z--z0,Arrow,BigMargin);
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draw(z--z1,Arrow,Margin(0,m));
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draw(z--z2,Arrow,Margin(0,m));
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shipout(bbox(0.25cm));
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\end{asy}
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%\caption{Venn diagram}\label{venn}
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\end{center}
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%\end{figure}
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Each graph is drawn in its own environment. One can specify the width
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and height to \LaTeX\ explicitly. This 3D example can be viewed
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interactively either with Adobe Reader or Asymptote's fast OpenGL-based
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renderer. To support {\tt latexmk}, 3D figures should specify
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\verb+inline=true+. It is sometimes desirable to embed 3D files as annotated
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attachments; this requires the \verb+attach=true+ option as well as the
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\verb+attachfile2+ \LaTeX\ package.
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\begin{center}
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\begin{asy}[height=4cm,inline=true,attach=false,viewportwidth=\linewidth]
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currentprojection=orthographic(5,4,2);
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draw(unitcube,blue);
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label("$V-E+F=2$",(0,1,0.5),3Y,blue+fontsize(17pt));
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\end{asy}
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\end{center}
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One can also scale the figure to the full line width:
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\begin{center}
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\begin{asy}[width=\the\linewidth,inline=true]
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pair z0=(0,0);
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pair z1=(2,0);
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pair z2=(5,0);
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pair zf=z1+0.75*(z2-z1);
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draw(z1--z2);
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dot(z1,red+0.15cm);
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dot(z2,darkgreen+0.3cm);
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label("$m$",z1,1.2N,red);
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label("$M$",z2,1.5N,darkgreen);
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label("$\hat{\ }$",zf,0.2*S,fontsize(24pt)+blue);
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pair s=-0.2*I;
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draw("$x$",z0+s--z1+s,N,red,Arrows,Bars,PenMargins);
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s=-0.5*I;
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draw("$\bar{x}$",z0+s--zf+s,blue,Arrows,Bars,PenMargins);
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s=-0.95*I;
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draw("$X$",z0+s--z2+s,darkgreen,Arrows,Bars,PenMargins);
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\end{asy}
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\end{center}
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\end{document}
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