Plotar dados de uma tabela LaTeX

Question 1

Existe uma solução que não faz exatamente o que você deseja, mas é extremamente elegante na minha opinião reconhecidamente tendenciosa.

Primeiro, você coloca seus dados em um arquivo de dados que é um arquivo de texto. No meu caso, eu nomeei isso 2014-01-01.txt.

freq    conc    lino
125     0.01    0.02
250     0.01    0.03
500     0.015   0.03
1000    0.02    0.03
2000    0.02    0.03
4000    0.02    0.02

Em seguida, você usapgfplotspara gerar o gráfico, epgfplotstablepara gerar a tabela, ambos lendo do arquivo de dados

\documentclass{article}

\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{booktabs}
\usepackage{array}
\usepackage{colortbl}

\pgfplotstableset{% global config, for example in the preamble
  every head row/.style={before row=\toprule,after row=\midrule},
  every last row/.style={after row=\bottomrule},
  fixed,precision=2,
}

\begin{document}

\pgfplotstabletypeset[
  columns/freq/.style={column name=Frequency (Hz)},
  columns/conc/.style={column name=Concrete},
  columns/lino/.style={column name=Linoleum},
]{2014-01-01.txt}

\begin{figure}[h!]
\centering
\begin{tikzpicture}
\begin{axis}[
    xlabel={Frequency (Hz)},
    ylabel=Absorption Coefficient,
    legend pos=south east,
    legend entries={Concrete,Linoleum},
    ]
  \addplot table [x=freq,y=conc] {2014-01-01.txt};
  \addplot table [x=freq,y=lino] {2014-01-01.txt};
\end{axis}
\end{tikzpicture}
\end{figure}

\end{document}

Saída:

insira a descrição da imagem aqui

Editado

O arquivo de dados agora é transposto para que cada linha corresponda a um material.

freq    125 250 500 1000    2000    4000
conc    0.01    0.01    0.015   0.02    0.02    0.02
lino    0.02    0.03    0.03    0.03    0.03    0.02

O código é semelhante, exceto que precisamos transpor o objeto pgfplotstable.

\documentclass{article}

\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{booktabs}
\usepackage{array}
\usepackage{colortbl}

\pgfplotstableset{% global config, for example in the preamble
  every head row/.style={before row=\toprule,after row=\midrule},
  every last row/.style={after row=\bottomrule},
  fixed,precision=2,
}

\begin{document}    

\pgfplotstableread{2014-01-01-transpose.txt}\loadedtable
\pgfplotstabletranspose[colnames from={freq}]{\transposetable}{\loadedtable}

\pgfplotstabletypeset[string type]\loadedtable

\begin{figure}[h!]
\centering
\begin{tikzpicture}
\begin{axis}[
    xlabel={Frequency (Hz)},
    ylabel=Absorption Coefficient,
    legend pos=south east,
    legend entries={Concrete,Linoleum},
    ]
  \addplot table [x=colnames,y=conc] {\transposetable};
  \addplot table [x=colnames,y=lino] {\transposetable};
\end{axis}
\end{tikzpicture}
\end{figure}

\end{document}

insira a descrição da imagem aqui

Answer

Existe uma solução que não faz exatamente o que você deseja, mas é extremamente elegante na minha opinião reconhecidamente tendenciosa.

Primeiro, você coloca seus dados em um arquivo de dados que é um arquivo de texto. No meu caso, eu nomeei isso 2014-01-01.txt.

freq    conc    lino
125     0.01    0.02
250     0.01    0.03
500     0.015   0.03
1000    0.02    0.03
2000    0.02    0.03
4000    0.02    0.02

Em seguida, você usapgfplotspara gerar o gráfico, epgfplotstablepara gerar a tabela, ambos lendo do arquivo de dados

\documentclass{article}

\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{booktabs}
\usepackage{array}
\usepackage{colortbl}

\pgfplotstableset{% global config, for example in the preamble
  every head row/.style={before row=\toprule,after row=\midrule},
  every last row/.style={after row=\bottomrule},
  fixed,precision=2,
}

\begin{document}

\pgfplotstabletypeset[
  columns/freq/.style={column name=Frequency (Hz)},
  columns/conc/.style={column name=Concrete},
  columns/lino/.style={column name=Linoleum},
]{2014-01-01.txt}

\begin{figure}[h!]
\centering
\begin{tikzpicture}
\begin{axis}[
    xlabel={Frequency (Hz)},
    ylabel=Absorption Coefficient,
    legend pos=south east,
    legend entries={Concrete,Linoleum},
    ]
  \addplot table [x=freq,y=conc] {2014-01-01.txt};
  \addplot table [x=freq,y=lino] {2014-01-01.txt};
\end{axis}
\end{tikzpicture}
\end{figure}

\end{document}

Saída:

insira a descrição da imagem aqui

Editado

O arquivo de dados agora é transposto para que cada linha corresponda a um material.

freq    125 250 500 1000    2000    4000
conc    0.01    0.01    0.015   0.02    0.02    0.02
lino    0.02    0.03    0.03    0.03    0.03    0.02

O código é semelhante, exceto que precisamos transpor o objeto pgfplotstable.

\documentclass{article}

\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{booktabs}
\usepackage{array}
\usepackage{colortbl}

\pgfplotstableset{% global config, for example in the preamble
  every head row/.style={before row=\toprule,after row=\midrule},
  every last row/.style={after row=\bottomrule},
  fixed,precision=2,
}

\begin{document}    

\pgfplotstableread{2014-01-01-transpose.txt}\loadedtable
\pgfplotstabletranspose[colnames from={freq}]{\transposetable}{\loadedtable}

\pgfplotstabletypeset[string type]\loadedtable

\begin{figure}[h!]
\centering
\begin{tikzpicture}
\begin{axis}[
    xlabel={Frequency (Hz)},
    ylabel=Absorption Coefficient,
    legend pos=south east,
    legend entries={Concrete,Linoleum},
    ]
  \addplot table [x=colnames,y=conc] {\transposetable};
  \addplot table [x=colnames,y=lino] {\transposetable};
\end{axis}
\end{tikzpicture}
\end{figure}

\end{document}

insira a descrição da imagem aqui

Question 2

Aqui está uma solução usando o Stipo de coluna desiunitxpara a mesa epst-plotpara o enredo.

\documentclass{article}

\usepackage{pst-plot}
\usepackage[
%  locale = DE
]{siunitx}
\usepackage{booktabs}
\usepackage{filecontents}

\begin{filecontents*}{dataA.txt}
[[125,0.01],[250,0.01],[500,0.015],[1000,0.02],[2000,0.02],[4000,0.02]]
\end{filecontents*}
\readdata{\dataA}{dataA.txt}

\begin{filecontents*}{dataB.txt}
[[125,0.02],[250,0.03],[500,0.03],[1000,0.03],[2000,0.03],[4000,0.02]]
\end{filecontents*}
\readdata{\dataB}{dataB.txt}

\begin{document}

Table:

\bigskip

\begin{tabular}{
  S[table-format = 4]
  S[table-format = 1.3]
  S[table-format = 1.2]
}
  \toprule
   {Frequency} & {Concrete} & {Linoleum}\\
   {\si{\Hz}}  & {---}      & {---}     \\
  \midrule
    125 & 0.01  & 0.02\\
    250 & 0.01  & 0.03\\
    500 & 0.015 & 0.03\\
   1000 & 0.02  & 0.03\\
   2000 & 0.02  & 0.03\\
   4000 & 0.02  & 0.02\\
  \bottomrule
\end{tabular}

\bigskip

Data plot:

\bigskip

\begin{pspicture}(-1.6,-1.2)(8.5,6.4)
  \psaxes[
    dx = 1,
    Dx = 500,
    dy = 1,
    Dy = 0.005,
%    comma
  ]{->}(0,0)(0,0)(8.5,6.4)
  \rput{0}(4.25,-1.0){Frequency~(\si{\Hz})}
  \rput{90}(-1.45,3.2){Absorption Coefficient}
 \psset{
   plotstyle = line,
   showpoints,
   dotstyle = o
 }
  \pstScalePoints(1,1){500 div}{200 mul}
  \listplot[fillcolor = red]{\dataA}
  \listplot[fillcolor = blue]{\dataB}
\end{pspicture}

\end{document}

saída

Answer

Aqui está uma solução usando o Stipo de coluna desiunitxpara a mesa epst-plotpara o enredo.

\documentclass{article}

\usepackage{pst-plot}
\usepackage[
%  locale = DE
]{siunitx}
\usepackage{booktabs}
\usepackage{filecontents}

\begin{filecontents*}{dataA.txt}
[[125,0.01],[250,0.01],[500,0.015],[1000,0.02],[2000,0.02],[4000,0.02]]
\end{filecontents*}
\readdata{\dataA}{dataA.txt}

\begin{filecontents*}{dataB.txt}
[[125,0.02],[250,0.03],[500,0.03],[1000,0.03],[2000,0.03],[4000,0.02]]
\end{filecontents*}
\readdata{\dataB}{dataB.txt}

\begin{document}

Table:

\bigskip

\begin{tabular}{
  S[table-format = 4]
  S[table-format = 1.3]
  S[table-format = 1.2]
}
  \toprule
   {Frequency} & {Concrete} & {Linoleum}\\
   {\si{\Hz}}  & {---}      & {---}     \\
  \midrule
    125 & 0.01  & 0.02\\
    250 & 0.01  & 0.03\\
    500 & 0.015 & 0.03\\
   1000 & 0.02  & 0.03\\
   2000 & 0.02  & 0.03\\
   4000 & 0.02  & 0.02\\
  \bottomrule
\end{tabular}

\bigskip

Data plot:

\bigskip

\begin{pspicture}(-1.6,-1.2)(8.5,6.4)
  \psaxes[
    dx = 1,
    Dx = 500,
    dy = 1,
    Dy = 0.005,
%    comma
  ]{->}(0,0)(0,0)(8.5,6.4)
  \rput{0}(4.25,-1.0){Frequency~(\si{\Hz})}
  \rput{90}(-1.45,3.2){Absorption Coefficient}
 \psset{
   plotstyle = line,
   showpoints,
   dotstyle = o
 }
  \pstScalePoints(1,1){500 div}{200 mul}
  \listplot[fillcolor = red]{\dataA}
  \listplot[fillcolor = blue]{\dataB}
\end{pspicture}

\end{document}

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Plotar dados de uma tabela LaTeX

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