# tikz positioning of nodes

I want to generate a simple organigram with reasonable-looking distances in x and y direction. How can I get equidistant distances between the nodes?

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{positioning}

\begin{document}
\begin{tikzpicture}
[topline/.style={rectangle,rounded corners,fill=red,xshift=3cm, yshift=2.5cm, minimum width=15mm,minimum height=10mm},
botline/.style={rectangle,rounded corners,fill=orange,xshift=3cm, yshift=2cm, minimum width=15mm,minimum height=10mm},
]
\node at (0,0) [topline] {A};
\node at (1,0) [topline] {B};
\node at (2,0) [topline] {C};
\node at (0,-1) [botline] {D};
\node at (0,-2) [botline] {E};
\end{tikzpicture}

\end{document}


-

You're using different minimum width and minimum height. Set them both to the same value and you should get the distances correct.

\tikzset{x=15mm,y=15mm}


before beginning the picture, you'll get a nicer result. Also make sure that your xshift and yshift are the same and you'll get something like

Finally, since a lot of your styles are duplicated, I separate out the duplication.

Here is the code for the last image

\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{positioning}
\pagestyle{empty}
\begin{document}
\begin{tikzpicture}
[
x=15mm,y=15mm,
mybox/.style={rectangle,rounded corners,xshift=1cm,yshift=1cm,minimum width=15mm, minimum height=15mm},
topline/.style={mybox,fill=red},
botline/.style={mybox,fill=orange},
]
\node at (0,0) [topline] {A};
\node at (1,0) [topline] {B};
\node at (2,0) [topline] {C};
\node at (0,-1) [botline] {D};
\node at (0,-2) [botline] {E};
\end{tikzpicture}

\end{document}

-
x=15mm,y=15mm should be included in option of tikzpicture environment. –  Paul Gaborit Jan 28 '13 at 22:37