我有一个看起来像这样的堆积条形图。
但是，我尝试将负值（第九列datatable）包含到堆积条形图的总值中，以便最终一些总值为负，如下所示：
。
这是我的 MWE：
\documentclass[a4paper]{report}
\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepgfplotslibrary{dateplot}
\pgfplotsset{compat=newest}
\pgfplotsset{
show sum on top/.style={
/pgfplots/scatter/@post marker code/.append code={%
\node[
at={(normalized axis cs:%
\pgfkeysvalueof{/data point/x},%
\pgfkeysvalueof{/data point/y})%
},
anchor=south,
]
{\pgfmathprintnumber{\pgfkeysvalueof{/data point/y}}};
},
},
}
\begin{document}
\pgfplotstableread{
Year OneCol SecCol ThirdCol ForthCol FifthCol SixthCol SeventhCol EigthCol NinthCol TenthCol EleventhCol
2005 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.5 0.0 0.3
2006 0.3 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.5 0.0 0.3
2007 0.5 0.0 0.0 0.0 0.0 0.2 0.0 0.0 -2.1 0.0 0.8
2008 1.2 0.0 0.0 0.0 0.0 0.6 0.0 0.0 -1.8 0.0 1.9
2009 0.5 0.0 0.0 0.0 0.0 0.3 0.0 0.0 -2.1 0.0 0.9
2010 3.9 0.0 0.0 0.0 0.0 1.0 0.0 0.0 -1.4 0.0 5.6
2011 0.6 0.0 0.0 0.0 0.0 0.3 0.0 0.0 -1.9 -0.1 0.8
2012 11.1 0.0 0.0 0.0 0.0 2.0 0.0 0.0 -1.0 0.0 13.7
2013 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.6 0.0 0.2
}\datatable
\begin{figure}
\centering
\begin{tikzpicture}
\begin{axis}[
width=0.9*\textwidth,
bar width=0.26cm,
tick label style={/pgf/number format/1000 sep=,font=\footnotesize},
stack negative=on previous,
ybar stacked,
bar width=1em,
ymin=-10,
axis on top,
ymax=30,
ymajorgrids = true,
enlarge x limits={true, abs value=0.75},
height=8cm,
nodes near coords={},
legend style={
at={(1.1,0.5)},
anchor=west,
draw=none },
xtick=data,
xticklabels={GWP,ODP,POCP, AP, EP(T), EP(FW), EP(M), ADP, CED}
]
\addplot [fill=cyan!70,draw=black!70] table [y index=1] {\datatable};
\addplot [fill=green!90,draw=black!70] table [y index=2] {\datatable};
\addplot [fill=teal!90,draw=black!70]table [y index=3] {\datatable};
\addplot [fill=violet!90,draw=black!70]table [y index=4] {\datatable};
\addplot [fill=lime!90,draw=black!70]table [y index=5] {\datatable};
\addplot [fill=magenta!90,draw=black!70]table [y index=6] {\datatable};
\addplot [fill=red!90,draw=black!70]table [y index=7] {\datatable};
\addplot [fill=blue!90,draw=black!70]table [y index=8] {\datatable};
\addplot [fill=yellow!90,draw=black!70] table [y index=9] {\datatable};
\addplot [fill=purple!90,draw=black!70] table [y index=10] {\datatable};
\addplot [fill=olive!90,draw=black!70,show sum on top] table [y index=11] {\datatable};
\legend{Facade,Column,Core,Drywall,Foundation,Roof,Slab,Window,Operation,Disposal,Replacement}
\end{axis}
\end{tikzpicture}
\caption{Impacts by category relative to baseline building with conventional building envelope}
\label{relative}
\end{figure}
\end{document}
感谢您的帮助，谢谢！
答案1
主要问题是您的键排序不正确。您需要stack negative=on previous在 之后移动ybar stacked。我还擅自让锚点依赖于坐标的符号，这样当 y 值为负时，它们将位于条形下方（而不是干扰）。
\documentclass[a4paper]{report}
\usepackage{pgfplots}
\usetikzlibrary{calc}
\usepackage{pgfplotstable}
\usepgfplotslibrary{dateplot}
\pgfplotsset{compat=newest}
\pgfplotsset{
show sum on top/.style={
/pgfplots/scatter/@post marker code/.append code={%
\path let \p1=($(normalized axis cs:%
\pgfkeysvalueof{/data point/x},%
\pgfkeysvalueof{/data point/y})%
-(normalized axis cs:\pgfkeysvalueof{/data point/x},0)$)
in node[
at={(normalized axis cs:%
\pgfkeysvalueof{/data point/x},%
\pgfkeysvalueof{/data point/y})%
},
anchor={-90*sign(\y1)},yshift={sign(\y1)*2pt}
]
{\pgfmathprintnumber{\pgfkeysvalueof{/data point/y}}};
},
},
}
\begin{document}
\pgfplotstableread{
Year OneCol SecCol ThirdCol ForthCol FifthCol SixthCol SeventhCol EigthCol NinthCol TenthCol EleventhCol
2005 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.5 0.0 0.3
2006 0.3 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.5 0.0 0.3
2007 0.5 0.0 0.0 0.0 0.0 0.2 0.0 0.0 -2.1 0.0 0.8
2008 1.2 0.0 0.0 0.0 0.0 0.6 0.0 0.0 -1.8 0.0 1.9
2009 0.5 0.0 0.0 0.0 0.0 0.3 0.0 0.0 -2.1 0.0 0.9
2010 3.9 0.0 0.0 0.0 0.0 1.0 0.0 0.0 -1.4 0.0 5.6
2011 0.6 0.0 0.0 0.0 0.0 0.3 0.0 0.0 -1.9 -0.1 0.8
2012 11.1 0.0 0.0 0.0 0.0 2.0 0.0 0.0 -1.0 0.0 13.7
2013 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 -2.6 0.0 0.2
}\datatable
\begin{figure}
\centering
\begin{tikzpicture}
\begin{axis}[
width=0.9*\textwidth,
bar width=0.26cm,
tick label style={/pgf/number format/1000 sep=,font=\footnotesize},
ybar stacked,
stack negative=on previous, %<- moved down
bar width=1em,
ymin=-10,
axis on top,
ymax=30,
ymajorgrids = true,
enlarge x limits={true, abs value=0.75},
height=8cm,
nodes near coords={},
legend style={
at={(1.1,0.5)},
anchor=west,
draw=none },
xtick=data,
xticklabels={GWP,ODP,POCP, AP, EP(T), EP(FW), EP(M), ADP, CED}
]
\addplot [fill=cyan!70,draw=black!70] table [y index=1] {\datatable};
\addplot [fill=green!90,draw=black!70] table [y index=2] {\datatable};
\addplot [fill=teal!90,draw=black!70]table [y index=3] {\datatable};
\addplot [fill=violet!90,draw=black!70]table [y index=4] {\datatable};
\addplot [fill=lime!90,draw=black!70]table [y index=5] {\datatable};
\addplot [fill=magenta!90,draw=black!70]table [y index=6] {\datatable};
\addplot [fill=red!90,draw=black!70]table [y index=7] {\datatable};
\addplot [fill=blue!90,draw=black!70]table [y index=8] {\datatable};
\addplot [fill=yellow!90,draw=black!70] table [y index=9] {\datatable};
\addplot [fill=purple!90,draw=black!70] table [y index=10] {\datatable};
\addplot [fill=olive!90,draw=black!70,show sum on top] table [y index=11] {\datatable};
\legend{Facade,Column,Core,Drywall,Foundation,Roof,Slab,Window,Operation,Disposal,Replacement}
\end{axis}
\end{tikzpicture}
\caption{Impacts by category relative to baseline building with conventional building envelope}
\label{relative}
\end{figure}
\end{document}
