authblk problem

[NM]

I am trying to use multiple authors with multiple affiliation using
authblk package. I
think I am coding it right, but latex compiler is completely skipping
the author block.
Not giving any error either. Any idea ? thanks.
NM
Here is what I wrote :


\documentclass[12pt]{iopart}

\usepackage{graphicx}
\usepackage{authblk}

\newcommand{\di}{\mathrm{d}}

\begin{document}

\title[running title]{extended title}

\author[1]{Author 1 name}
\author[2]{Author 2 name}
\author[3]{author 3 name}
\author[3]{author 4 name}
\author[2]{author 5 name}
\author[3]{author 6 name}
\affil[1]{Department 1}
\affil[2]{Department 2}
\affil[3]{Department 3}



\ead{a...@email.com}

\begin{abstract}
abstract
\end{abstract}
\end{document}

[jon]

On Jul 21, 12:13 pm, NM <nitaim...@gmail.com> wrote:
> I am trying to use multiple authors with multiple affiliation using
> authblk package.  I
> think I am coding it right, but latex compiler is completely skipping
> the author block.
> Not giving any error either.  Any idea ? thanks.

indeed. iopart.cls is not designed to work with authblk.sty because
they have their own (in-house) setup. if you look at the class file,
you'll see that they want you to proceed in the following way:

% List of authors
%
% Usage \author[Short form]{List of all authors}
% The short form excludes footnote symbols linking authors to
addresses
% and is used for running heads in printed version (but not on
preprints)
%

[snip]

%
% Affiliation (authors address)
%
% Usage: \address{Address of first author}
% \address{Address of second author}
% Use once for each address, use symbols \dag \ddag \S \P $\|$
% to connect authors with addresses
%

cheers,
jon.