如何在 pgf 区域图中使用 colorbrewer

Question

我正在尝试使用一些 colorbrewer 配色方案创建面积图。我该怎么做？我在网上找到的东西不知何故不适用于面积图。

这是我的 MWE：

\documentclass[tikz]{standalone}

% package for plots
\usepackage{pgfplots}
\pgfplotsset{
    compat=newest,
    width=455pt,
    height=5cm,
}

% command for plotting a given file
\newcommand{\plotfile}[1]{
    \pgfplotstableread[col sep=comma]{#1}{\table}
    \pgfplotstablegetcolsof{\table}
    \pgfmathtruncatemacro\numberofcols{\pgfplotsretval-1}
    \pgfplotsinvokeforeach{1,...,\numberofcols}{
        \pgfplotstablegetcolumnnamebyindex{##1}\of{\table}\to{\colname}
        \addplot table [y index=##1] {\table}
        \closedcycle;
        \addlegendentryexpanded{\colname}
    }
}

\begin{document}
\begin{tikzpicture}
    \begin{axis}[
        xmin=0,
        xmax=100,
        domain=0:100,
        ymin=0,
        ymax=10000,
        xlabel=Generation,
        ylabel=Anzahl an Kreaturen,
        axis x line*=none,
        axis y line*=none,
        xtick={0,25,...,100},
        ytick={0,1000,...,10000},
        tick align=outside,
        xticklabel style={
            rotate=90,
            anchor=near xticklabel
        },
        legend style={
            at={(0.5,1.2)},
            legend columns=8,
            anchor=south,
            draw=none
        },
        smooth,
        stack plots=y,
        area style
        ]
        \plotfile{data.csv}
    \end{axis}
\end{tikzpicture}
\end{document}

Answer 1

这是您可以执行此操作的一种方法。由于您没有提供数据文件，因此我添加了一些虚拟数据。

请注意，我删除了代码中所有不相关的内容。

% used PGFPlots v1.17
\documentclass[border=5pt]{standalone}
\usepackage{pgfplots}
    % load the colorbrewer library
    \usepgfplotslibrary{colorbrewer}
\begin{document}
\begin{tikzpicture}
    \begin{axis}[
        stack plots=y,
        % load a colorbrewer cycle list
        cycle list/Paired,
        % things to add to every `\addplot` ...
        every axis plot post/.style={
            % ... where we add the `fill` which by default is empty
            fill=.!50,
            % (this is just to show the borders a bit better)
            very thick,
        },
        % adjust the legend style accordingly for the area plots
        area legend,
        % show the axes on top of the plots
        axis on top,
    ]
        % some dummy data table because you didn't provide your data file
        \addplot table {
            x   y1  y2
            1   2   3
            2   3   4
        } \closedcycle;

        \addplot table {
            x   y1  y2
            1   2   3
            2   3   4
        } \closedcycle;

        \legend{a,b}
    \end{axis}
\end{tikzpicture}
\end{document}