LaTeX Forum

\documentclass{article}
% translate with >> pdflatex -shell-escape <file>

% This file is an extract of the PGFPLOTS manual, copyright by Christian Feuersaenger.
% 
% Feel free to use it as long as you cite the pgfplots manual properly.
%
% See
%   http://pgfplots.sourceforge.net/pgfplots.pdf
% for the complete manual.
%
% Any required input files (for <plot table> or <plot file> or the table package) can be downloaded
% at
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/
% and
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/plotdata/

\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\pagestyle{empty}

\usepgfplotslibrary{ternary}

\begin{document}
\begin{tikzpicture}
\begin{ternaryaxis}[
	title=Sloped labels and minor ticks,
	xlabel=Water,
	ylabel=D--Threonine,
	zlabel=L--Threonine,
	label style={sloped},
	minor tick num=2,
]
	\addplot3 coordinates {
        (0.82,  0.18,  0.00)
        (0.75,  0.17,  0.08)
        (0.77,  0.12,  0.11)
        (0.75,  0.08,  0.17)
        (0.81,  0.00,  0.19)
	};
	\addplot3 coordinates {
        (0.75,  0.25,  0.00)
        (0.69,  0.25,  0.06)
        (0.64,  0.24,  0.12)
        (0.655, 0.23,  0.115)
        (0.67,  0.17,  0.16)
        (0.66,  0.12,  0.22)
        (0.64,  0.11,  0.25)
        (0.69,  0.05,  0.26)
        (0.76,  0.01,  0.23)
	};
\end{ternaryaxis}
\end{tikzpicture}
\end{document}

\documentclass[margin=5mm]{standalone}
%%%<
% Example data
\begin{filecontents*}{data.csv}
  Number   Orders   Day
  1   816   June\ 19
  2   687   June\ 20
  3   676   June\ 21
  4   597   June\ 22
  5   743   June\ 25
  6   718   June\ 26
  7   702   June\ 27
  8   634   June\ 28
  9   581   June\ 29
  10   743   July\ 2
  11   731   July\ 3
  12   736   July\ 4
  13   691   July\ 5
  14   626   July\ 6
  15   788   July\ 9
  16   667   July\ 10
  17   737   July\ 11
  18   678   July\ 12
  19   560   July\ 13
\end{filecontents*}
%%%>
\usepackage{pgfplots}
\pgfplotsset{compat=1.12}
\usepackage{pgfplotstable}
\usepgfplotslibrary{groupplots}
\begin{document}
\begin{tikzpicture}
  % Read the file
  % if needed, define column separators by pgfplotstableread[col sep=...]{}{}
 \pgfplotstableread{data.csv}{\Data}
 \begin{groupplot}[
     group style = {group size = 2 by 1},
     height = 10cm,
     width = 10cm,
     ymin = 500,
     xticklabels from table = {\Data}{Day}, xtick = {1,...,19},
     xticklabel style = {rotate = 90, xshift = -0.8ex, anchor = mid east}
    ]
    \nextgroupplot[xmin = 1, xmax = 19, ymax = 900]
      \addplot+[very thick] table [x = Number, y = Orders] {\Data};
      \draw[red, dashed, thick] (14,650) rectangle (18,800);
      \coordinate(s) at (18,725);
    \nextgroupplot[xmin = 14, xmax = 18, ymin=650, ymax = 800, width = 5cm,axis line style={red,dashed}]
      \addplot+[very thick] table [x = Number, y = Orders] {\Data};
  \end{groupplot}
  \draw[thick, red, ->, shorten >=2pt, shorten <=2pt] (s)
  -- (s-|group c2r1.west);
\end{tikzpicture}
\end{document}