我想删除条形图中与“kkk”对应的条形之间的空白。请提供建议。代码如下
笔记：改变顺序\addplot不起作用，因为它会改变绘制数据的含义。
\documentclass[10pt,journal,compsoc]{IEEEtran}
\usepackage{mathtools}
\usepackage{caption}
\usepackage{pgfplots}
\usepackage{hyperref}
\usepackage{subfig}
\usepackage{caption} \usetikzlibrary{fit,matrix,positioning,decorations.pathreplacing,calc,shapes,arrows,shadows,patterns}
\begin{document}
\begin{figure*}
\centering
\captionsetup{justification = centering}
\begin{tikzpicture}[scale =1.5, transform shape]
\begin{axis}[
major x tick style = transparent,
ybar = 2*\pgflinewidth,
bar width=10pt,
ymajorgrids = true,
symbolic x coords={ii, jj, kk},
xtick=data,
scaled y ticks = false,
enlarge x limits=0.35,
ymin=0,
minor y tick num=5,
xlabel style={yshift=-.3cm},
ylabel style={yshift=-.3cm},
tick label style={font=\footnotesize},
legend style={at={(.5,-0.1)}, anchor=north, /tikz/every even column/.append style={column sep=.2cm}},
legend columns = -1,
]
\addplot[style = {fill=blue, mark=none, postaction={pattern=dots}}, error bars/.cd, y dir=both, y explicit, error bar style ={thick}]
coordinates {
(ii, 53.980662) +- (0.443823296138724, 0.443823296138724)
(jj, 23.483776) +- (0.166719612668669, 0.166719612668669)
(kk, 131.7355) +- (2.47470029927319, 2.47470029927319)};
\addplot[style = {fill=yellow, mark=none, postaction={pattern=north east lines}}, error bars/.cd, y dir=both, y explicit, error bar style ={thick}]
coordinates {
(ii, 48.049724) +- (0.345152943568923, 0.345152943568923)
(jj, 20.135426) +- (0.181081482002146, 0.181081482002146)
(kk, 101.703804) +- (1.46905846775562, 1.46905846775562)};
\addplot[style = {fill=red, mark=none, postaction={pattern=horizontal lines}}, error bars/.cd, y dir=both, y explicit, error bar style ={thick}]
coordinates {
(ii, 99.82356) +- (2.50417124042843, 2.50417124042843)
(jj, 62.805482) +- (4.10531953309646, 4.10531953309646)};
\addplot[style = {fill=green, mark=none, postaction={pattern=vertical lines}}, error bars/.cd, y dir=both, y explicit, error bar style ={thick}]
coordinates {
(ii, 92.977176) +- (1.19822138752128, 1.19822138752128)
(jj, 63.35466) +- (1.52682237792326, 1.52682237792326)
(kk, 71.74764) +- (1.13940206252386, 1.13940206252386)
};
\legend{xxx, yyy, zzz, lll}
\coordinate (A) at (axis cs:ii, 40.961);
\coordinate (O1) at (rel axis cs:0,0);
\coordinate (O2) at (rel axis cs:1,0);
\draw [sharp plot,dashed, red, thick] (A -| O1) -- (A -| O2);
\end{axis}
\end{tikzpicture}
\end{figure*}
\end{document}
答案1
您可以使用如何在 pgfplots 中创建不同大小的条形图组？。请注意，它要求您将每个数据系列拆分为多个\addplot，以便单个数据系列创建的所有条形图\addplot都位于具有相同条形图数量的组中。在这种情况下，您需要例如在一个中绘制 和 的条形图，xxx在第二ii个中绘制的条形图。jj\addplotxxxkk\addplot
请注意，虽然不一定要为四个不同的条形定义和使用样式，但它确实减少了代码的重复，因为四种样式中的三种使用了两次。
\documentclass[border=5mm]{standalone}
\usepackage{pgfplots}
\usetikzlibrary{patterns}
\pgfplotsset{compat=1.3}
\pgfplotsset{ % from https://tex.stackexchange.com/questions/43832
% #1: index in the group(0,1,2,...)
% #2: number of plots of that group
bar group size/.style 2 args={
/pgf/bar shift={%
% total width = n*w + (n-1)*skip
% -> subtract half for centering
-0.5*(#2*\pgfplotbarwidth + (#2-1)*\pgfkeysvalueof{/pgfplots/bar group skip}) +
% the '0.5*w' is for centering
(.5+#1)*\pgfplotbarwidth + #1*\pgfkeysvalueof{/pgfplots/bar group skip}},%
},
bar group skip/.initial=2pt,
errbars/.style={error bars/.cd, y dir=both, y explicit, error bar style ={thick},/pgfplots/.cd},
plot 0/.style={fill=blue, mark=none, postaction={pattern=dots},errbars},%
plot 1/.style={fill=yellow, mark=none, postaction={pattern=north east lines},errbars},%
plot 2/.style={fill=red, mark=none, postaction={pattern=horizontal lines},errbars},%
plot 3/.style={fill=green, mark=none, postaction={pattern=vertical lines},errbars}
}
\begin{document}
\begin{tikzpicture}[scale =1.5, transform shape]
\begin{axis}[
major x tick style = transparent,
ybar = 2*\pgflinewidth,
bar width=10pt,
ymajorgrids = true,
symbolic x coords={ii, jj, kk},
xtick distance=1, % instead of xtick=data
scaled y ticks = false,
enlarge x limits=0.35,
ymin=0,
minor y tick num=5,
xlabel style={yshift=-.3cm},
ylabel style={yshift=-.3cm},
tick label style={font=\footnotesize},
legend style={at={(.5,-0.1)}, anchor=north, /tikz/every even column/.append style={column sep=.2cm}},
legend columns = -1,
]
\addplot[bar group size={0}{4}, plot 0]
coordinates {
(ii, 53.980662) +- (0.443823296138724, 0.443823296138724)
(jj, 23.483776) +- (0.166719612668669, 0.166719612668669)};
\addplot [bar group size={0}{3}, plot 0, forget plot]
coordinates {
(kk, 131.7355) +- (2.47470029927319, 2.47470029927319)};
\addplot[bar group size={1}{4}, plot 1]
coordinates {
(ii, 48.049724) +- (0.345152943568923, 0.345152943568923)
(jj, 20.135426) +- (0.181081482002146, 0.181081482002146)};
\addplot [bar group size={1}{3}, plot 1, forget plot]
coordinates {
(kk, 101.703804) +- (1.46905846775562, 1.46905846775562)};
\addplot[bar group size={2}{4},plot 2]
coordinates {
(ii, 99.82356) +- (2.50417124042843, 2.50417124042843)
(jj, 62.805482) +- (4.10531953309646, 4.10531953309646)};
\addplot[bar group size={3}{4}, plot 3]
coordinates {
(ii, 92.977176) +- (1.19822138752128, 1.19822138752128)
(jj, 63.35466) +- (1.52682237792326, 1.52682237792326)};
\addplot [bar group size={2}{3}, plot 3, forget plot]
coordinates {
(kk, 71.74764) +- (1.13940206252386, 1.13940206252386)
};
\legend{xxx, yyy, zzz, lll}
\coordinate (A) at (axis cs:ii, 40.961);
\coordinate (O1) at (rel axis cs:0,0);
\coordinate (O2) at (rel axis cs:1,0);
\draw [sharp plot,dashed, red, thick] (A -| O1) -- (A -| O2);
\end{axis}
\end{tikzpicture}
\end{document}