Example: Daniell’s pile

Published 2006-11-16 | Author: Agustin E. Bolzan

This is an illustration of the famous Daniell's pile. Note how transparency has been used to create an illusion of depth. To get the correct drawing order, the front and the back of the vessels had to be drawn separately.

Author: Agustin E. Bolzan

Download as: [PDF] [TEX]  •  [Open in Overleaf]

Daniell's pile

Do you have a question regarding this example, TikZ or LaTeX in general? Just ask in the LaTeX Forum.
Oder frag auf Deutsch auf TeXwelt.de. En français: TeXnique.fr.

% Daniell's Pile
% Author: Agustin E. Bolzan
\documentclass{article}
\usepackage{tikz}
\begin{document}

\definecolor{copper}{cmyk}{0,0.9,0.9,0.2}
\colorlet{lightgray}{black!25}
\colorlet{darkgray}{black!75}

\centering
\Large {Daniell's Pile}
\vspace{2cm}


\begin{tikzpicture}
    % Draw back of vessel 1
    \draw (0,0) to [controls=+(90:0.5) and +(90:0.5)] (2,0);
    \draw[fill=blue!60, fill opacity=0.5] (0,-0.5) to
        [controls=+(90:0.5) and +(90:0.5)] (2,-0.5);

    % Draw back of vessel 2
    \draw (3.5,0) to [controls=+(90:0.5) and +(90:0.5)] (5.5,0);
    \draw[fill=lightgray, fill opacity=0.5] (3.5,-0.5) to [controls=+(90:0.5)
        and +(90:0.5)] (5.5,-0.5);

    % Draw copper electrode
    \draw[fill=copper] (0.5,2) rectangle (1.5,-1);
    \draw (0,2.3) node {Cu};
    \draw (1,-1.75) node {\small{CuSO$_{4}$}};

    % Draw salt bridge

    \draw[join=round, line width = 10pt] (1.75,-1.75) -- (1.75,0.5) --
        (3.75, 0.5) -- (3.75,-1.75);
    \draw[join=round, line width = 5pt, color = gray!25] (1.75,-1.75) --
        (1.75,0.5) -- (3.75, 0.5) -- (3.75,-1.75);
    \draw (2.75,0.5) node {\tiny{KNO$_{3}$}};

    %Draw front of vessel 1

    \draw (0,0) .. controls +(-90:0.5) and +(-90:0.5) .. (2,0);
    \draw (0,0) .. controls +(-90:0.5) and +(-90:0.5) .. (2,0)
        -- (2,-0.5) .. controls +(-90:0.5) and +(-90:0.5) .. (0,-0.5) -- (0,0);

    %Second part

    \draw[fill=blue!60, fill opacity=0.5] (0,-0.5) .. controls +(-90:0.5)
    and +(-90:0.5) .. (2,-0.5);
    \draw[fill=blue!60, fill opacity=0.5] (0,-0.5) .. controls +(-90:0.5)
    and +(-90:0.5) .. (2,-0.5)
        -- (2,-2) .. controls +(-90:0.5) and +(-90:0.5) .. (0,-2) -- (0,-0.5);

    % draw voltmeter

    \draw[join = round, thick] (1,2) -- (1,2.5) -- (4.5,2.5) -- (4.5,2);
    \draw (2.75,2.5) node [circle, draw, fill=red!30] {V};

    %Draw back of vessel 2

    %Draw electrode

    \draw[fill=darkgray] (4,2) rectangle (5,-1);
    \draw (5.5,2.3) node {Zn};
    \draw (4.5,-1.75) node {\small{ZnSO$_{4}$}};

    % Draw front of vessel 2
    % part 1
    \draw (3.5,0) .. controls +(-90:0.5) and +(-90:0.5) .. (5.5,0);
    \draw (3.5,0) .. controls +(-90:0.5) and +(-90:0.5) .. (5.5,0)
        -- (5.5,-0.5) .. controls +(-90:0.5) and +(-90:0.5)
        .. (3.5,-0.5) -- (3.5,0);
    % part 2
    \draw[fill=lightgray, fill opacity=0.5] (3.5,-0.5) .. controls +(-90:0.5)
    and +(-90:0.5) .. (5.5,-0.5);
    \draw[fill=lightgray, fill opacity=0.5] (3.5,-0.5) .. controls +(-90:0.5)
        and +(-90:0.5) .. (5.5,-0.5) --
        (5.5,-2) .. controls +(-90:0.5) and +(-90:0.5)
        .. (3.5,-2) -- (3.5,-0.5);

\end{tikzpicture}


\end{document} 

Comments

Adding comments is currently not enabled.