我正在尝试使用颜色渐变宏创建一个彩色混淆矩阵。如下所示：
最终的混淆矩阵会更大，所以我想删除零值以提高表格的可读性。由于计算颜色渐变的宏，我无法简单地从单元格中省略零。有没有办法省略维护宏的零？这是我使用的代码：
\documentclass{article}
\usepackage[utf8]{inputenc}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% COLORED CM
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage[table]{xcolor}
\usepackage{hhline}
\usepackage{pgf}
\usepackage{tikz}
\usepackage{collcell}
%The min, mid and max values
\newcommand*{\MinNumber}{0.0}%
\newcommand*{\MidNumber}{0.2} %
\newcommand*{\MaxNumber}{1.0}%
%Apply the gradient macro
\newcommand{\ApplyGradient}[1]{%
\ifdim #1 pt > \MidNumber pt
\pgfmathsetmacro{\PercentColor}{max(min(100.0*(#1 - \MidNumber)/(\MaxNumber-\MidNumber),100.0),0.00)} %
\hspace{-0.33em}\colorbox{green!\PercentColor!red}{#1}
\else
\pgfmathsetmacro{\PercentColor}{max(min(100.0*(\MidNumber - #1)/(\MidNumber-\MinNumber),100.0),0.00)} %
\hspace{-0.33em}\colorbox{white!\PercentColor!red}{#1}
\fi
}
\newcolumntype{G}{>{\collectcell\ApplyGradient}c<{\endcollectcell}}
\renewcommand{\arraystretch}{0}
\setlength{\fboxsep}{3mm} % box size
\setlength{\tabcolsep}{0pt}
%% for rotation in table
\usepackage{adjustbox}
\usepackage{array}
\newcolumntype{R}[2]{%
>{\adjustbox{angle=#1,lap=\width-(#2)}\bgroup}%
l%
<{\egroup}%
}
\newcommand*\rotz{\multicolumn{1}{R{0}{-1em}}}% no optional argument here, please!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% END COLORED CM
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\begin{table}[t]
\caption{The confusion matrix}
\label{tab:CM}
\centering
\resizebox{1\textwidth}{!}{ % to nicely resize the table in the text width
\begin{tabular}{r*{6}{G}}
\rotz{} &
\rotz{A} &
\rotz{B} &
\rotz{C} &
\rotz{D} &
\rotz{E} \smallskip \\
A & 0.54 & 0 & 0.08 & 0.17 & 0 \\
B & 0 & 0.96 & 0 & 0 & 0 \\
C & 0.04 & 0.04 & 0.38 & 0.13 & 0 \\
D & 0.08 & 0 & 0.04 & 0.75 & 0 \\
E & 0 & 0.04 & 0 & 0 & 0.96 \\
\end{tabular}%\par\bigskip
}
\end{table}
\end{document}
提前致谢！
答案1
\documentclass{article}
\usepackage[table]{xcolor}
\usepackage{pgf}
\usepackage{tikz}
\usepackage{collcell}
\usepackage{caption}
%The min, mid and max values
\newcommand*{\MinNumber}{0.0}%
\newcommand*{\MidNumber}{0.2} %
\newcommand*{\MaxNumber}{1.0}%
\def\OmitZero#1.#2.#3!{%
\ifx\relax#2\relax % #2 is empty -> no decimal
#1%
\else % #2 not empty -> decimal
\ifnum#1=0 % we have 0.
.#2%
\else % we have no 0.xx
#1.#2%
\fi
\fi}
%Apply the gradient macro
\newcommand{\ApplyGradient}[1]{%
\ifdim #1 pt > \MidNumber pt
\pgfmathsetmacro{\PercentColor}{max(min(100.0*(#1 -
\MidNumber)/(\MaxNumber-\MidNumber),100.0),0.00)} %
\hspace{-0.33em}\colorbox{green!\PercentColor!red}{\OmitZero#1..!}
\else
\pgfmathsetmacro{\PercentColor}{max(min(100.0*(\MidNumber -
#1)/(\MidNumber-\MinNumber),100.0),0.00)} %
\hspace{-0.33em}\colorbox{white!\PercentColor!red}{\OmitZero#1..!}
\fi
}
\newcolumntype{G}{>{\collectcell\ApplyGradient}c<{\endcollectcell}}
\renewcommand{\arraystretch}{0}
\setlength{\fboxsep}{3mm} % box size
\setlength{\tabcolsep}{0pt}
%% for rotation in table
\usepackage{adjustbox}
\usepackage{array}
\newcolumntype{R}[2]{%
>{\adjustbox{angle=#1,lap=\width-(#2)}\bgroup}%
l%
<{\egroup}%
}
\newcommand*\rotz{\multicolumn{1}{R{0}{-1em}}}% no optional argument here, please!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% END COLORED CM
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\begin{table}[t]
\caption{The confusion matrix}
\label{tab:CM}
\centering
\resizebox{1\textwidth}{!}{ % to nicely resize the table in the text width
\begin{tabular}{r*{6}{G}}
\rotz{} &
\rotz{A} &
\rotz{B} &
\rotz{C} &
\rotz{D} &
\rotz{E} \smallskip \\
A & 0.54 & 0 & 0.08 & 0.17 & 0 \\
B & 0 & 0.96 & 0 & 0 & 0 \\
C & 0.04 & 0.04 & 0.38 & 0.13 & 0 \\
D & 0.08 & 0 & 0.04 & 0.75 & 0 \\
E & 0 & 0.04 & 0 & 0 & 0.96 \\
\end{tabular}%\par\bigskip
}
\end{table}
\end{document}
