I am new to TikZ and I have a trivial question. How to draw a borderless diagram? In other words, I need something that does not displace the text. Similar to the effect achieved with a regular LaTeX picture with {0,0} for width and height. Here is a minimal example of what I need the diagram to look like:
\documentclass[a4paper]{report}
\usepackage{tikz}
\begin{document}
\begin{picture}(0,0)(0,0)
\put(0,3){\vector(1,0){60}}
\end{picture}
Picture
\tikz{\draw [->] (0,0) -- (0:80pt);}
TikZ
\end{document}
This results in the following:
example http://ubuntuone.com/1Kgnezgx4gUSZ9sgJIcjJR
I would like the vector (and the environment in general) of TikZ to be over the word and not displace it. Similar to the one with Picture. I feel there's a straightforward solution for this, but I can't seem to find it.
Thank you

overlay. BTW: welcome to TeX.SX! – Claudio Fiandrino Mar 25 '14 at 10:38