我发现这个问题但我认为它的答案不是我需要的。我希望数据文件中的图可以绘制为网，即每个点都与其四边的最近邻居相连，但这似乎mesh/rows = 20不是所需的。我知道我们可以得到surf工作，但不是网格。这是代码、结果和数据文件。
\documentclass{article}
\usepackage{pgfplots,pgfplotstable}
\usepgfplotslibrary{colormaps}
\pgfplotsset{compat=newest}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
colorbar,
colormap/cool,
view={50}{60},
xlabel={$n$}, ylabel={$m$},
]
\addplot3 [ %z buffer = sort,
mesh/rows=20,
% surf,
% shader=faceted interp,
] table [ x index=1, y index=0, z index=2,] {A.txt};
\end{axis}
\end{tikzpicture}
\end{document}
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答案1
嗯，你尝试过mesh剧情类型吗？
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\end{filecontents*}
\documentclass[tikz, border=2mm]{standalone}
\usepackage{pgfplots}
\usepgfplotslibrary{colormaps}
\pgfplotsset{compat=1.17}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
colorbar,
colormap/cool,
view={50}{60},
xlabel={$n$}, ylabel={$m$},
]
\addplot3[mesh, mesh/rows=20] table [x index=1, y index=0, z index=2] {A.txt};
\end{axis}
\end{tikzpicture}
\end{document}
