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删除 Tikz 图片周围的白色边界框

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删除 Tikz 图片周围的白色边界框

如何去除灰色矩形周围的白色边界框？

在此处输入图片描述

这是 tikz 代码

\begin{tikzpicture}[framed]
\tikzstyle{B1}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=orange!30]
\tikzstyle{B2}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=green!30]
\tikzstyle{B3}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=blue!30]
\fill[fill=gray!30] (0,0) rectangle (8.1,0.6);
\fill[fill=gray!10] (0,0.6) rectangle (8.1,1.2);
\node[B1] at (2,0.9) {};
\node[B2] at (3,0.9) {};
\node[B3] at (4,0.9) {};
\node[B1] at (5,0.9) {};
\node[B2] at (6,0.9) {};
\node[B3] at (7,0.9) {};
\node[B1] at (3,0.3) {};
\node[B2] at (4,0.3) {};
\node[B3] at (5,0.3) {};
\end{tikzpicture}

答案1

它是 引起的产物framed。

来自pgfmanual（第 25 节）：

背景矩形的尺寸确定如下：我们从图片的边界框开始。然后在边上添加一定的分隔距离。

您可以使用选项inner frame sep=0pt关闭此行为，或者开关tight background。

\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{backgrounds}

\begin{document}

\begin{tikzpicture}[tight background, background rectangle/.style={fill=yellow}, framed]
  \tikzstyle{B1}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=orange!30]
  \tikzstyle{B2}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=green!30]
  \tikzstyle{B3}=[anchor=west,solid,rectangle,black,draw,minimum height=0.45cm,minimum width=1cm,fill=blue!30]
  \path[fill=gray!30] (0,0) rectangle (8.1,0.6);
  \path (0,0.6) rectangle (8.1,1.2);
  \node[B1] at (2,0.9) {};
  \node[B2] at (3,0.9) {};
  \node[B3] at (4,0.9) {};
  \node[B1] at (5,0.9) {};
  \node[B2] at (6,0.9) {};
  \node[B3] at (7,0.9) {};
  \node[B1] at (3,0.3) {};
  \node[B2] at (4,0.3) {};
  \node[B3] at (5,0.3) {};
\end{tikzpicture}

\end{document}

我稍微修改了您的矩形，例如：如果背景很紧，它实际上位于图片后面，因此框架在矩形后面不可见。黄色矩形实际上是下面的框架。

在此处输入图片描述

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