tikz 画一个视力表
文本排版 2019-09-15 01:20 浏览 ：1669主要用到一个随机函数setrand{<minimum>}{<maximum>}{<multiple of>}{<seed>}
有重复代码使用，但是还没找到好的解决方案，希望大神可以提下意见！
使用 xelatex 编译
效果图如下
代码如下
\\documentclass[tikz]{standalone}
\\usepackage{ctex}
\\usepackage{tikz}
\\usetikzlibrary{calc}
\\usetikzlibrary{shapes.geometric}
\\usepackage{pgfmath}
\\newcommand\\randmin{}
\\newcommand\\randmax{}
\\newcommand\\randmultof{}
\\newcommand\\setrand[4]%
{\\def\\randmin{#1}%
\\def\\randmax{#2}%
\\def\\randmultof{#3}%
\\pgfmathsetseed{#4}%
}
\\newcommand\\nextrand
{\\pgfmathparse{int(int((rnd*(\\randmax-\\randmin+1)+\\randmin)/\\randmultof)*\\randmultof)}%
\\xdef\\thisrand{\\pgfmathresult}%
}
\\setmainfont{Arial}
\\begin{document}
\\setrand{0}{720}{90}{180}
\\begin{tikzpicture}
\\begin{scope}
\\fill[fill=gray!20](0,0)circle(112*0.6);
\\fill[fill=white](0,0)circle(110*0.6);
\\end{scope}
\\draw[line width=2.5pt] (0,-3)--(0,3);
\\draw[line width=2.5pt] (3,0)--(-3,0);
\\foreach \\x in {1,2,...,11}
{
\\foreach \\y in {1,2,3,4}
{
\\nextrand %重新生成一个新的随机数
\\node at (-7.5*\\x+90*\\y:10*0.6) {{\\resizebox{10pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:20*0.6) {{\\resizebox{20pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:30*0.6) {{\\resizebox{30pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:40*0.6) {{\\resizebox{40pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:50*0.6) {{\\resizebox{50pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:60*0.6) {{\\resizebox{60pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:70*0.6) {{\\resizebox{70pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:80*0.6) {{\\resizebox{80pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:90*0.6) {{\\resizebox{90pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
\\nextrand
\\node at (-7.5*\\x+90*\\y:100*0.6) {{\\resizebox{100pt}{!}{{\\rotatebox{\\thisrand}{E}}}}};
}
}
\\foreach \\z in {1,2,3,4}
{
\\node at (90*\\z:10*0.6) {{\\resizebox{10pt}{!}{5.4}}};
\\node at (90*\\z:20*0.6) {{\\resizebox{20pt}{!}{5.3}}};
\\node at (90*\\z:30*0.6) {{\\resizebox{30pt}{!}{5.2}}};
\\node at (90*\\z:40*0.6) {{\\resizebox{40pt}{!}{5.1}}};
\\node at (90*\\z:50*0.6) {{\\resizebox{50pt}{!}{5.0}}};
\\node at (90*\\z:60*0.6) {{\\resizebox{60pt}{!}{4.9}}};
\\node at (90*\\z:70*0.6) {{\\resizebox{70pt}{!}{4.8}}};
\\node at (90*\\z:80*0.6) {{\\resizebox{80pt}{!}{4.7}}};
\\node at (90*\\z:90*0.6) {{\\resizebox{90pt}{!}{4.6}}};
\\node at (90*\\z:100*0.6) {{\\resizebox{100pt}{!}{4.5}}};
}
\\end{tikzpicture}
\\end{document}
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