# How to place a “banner image” at the top of a paper

I am trying to place a figure* right under the title/authors. I tried this:

\documentclass{acmtog}
\pdfminorversion=5

\usepackage{float}
\usepackage{graphicx}
\usepackage[caption=false,format=hang]{subfig} % needed for \subfloat. caption=false fixes: Unsupported document class (or package) detected, (caption) use of the caption package is not recommended''. format=hang makes the hanging indention in the figure captions look correct.
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{algpseudocode}
\usepackage{algorithm}
\usepackage{lipsum}

\acmVolume{VV}
\acmNumber{N}
\acmYear{2012}
\acmMonth{April}
\acmArticleNum{XXX}
\acmdoi{10.1145/XXXXXXX.YYYYYYY}

\begin{document}

\title{My paper}

\author{Me {\upshape and} My Friend
\affil{Affiliation}}

\maketitle

\begin{bottomstuff}

\end{bottomstuff}

\def\BannerFigSize{.25}
\begin{figure*}[ht!]
\centering
\subfloat[a.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:scene}
}
\subfloat[b.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:strokes}
}
\caption{Our algorithms.}
\label{fig:banner}
\end{figure*}

\lipsum[1-4]

\end{document}


But the figure appears on the next page. I also tried [H] placement (from the float package) but that seems to make the image disappear entirely. Is there a better way to do this?

-
Don't use the environment figure. Use instead center in combination with captionof. –  Marco Daniel May 1 '12 at 15:09
@Marco Daniel - How do you make subfigures in a 'center' environment? I tried this but it doesn't work: \def\BannerFigSize{.25} \begin{center} \subfloat[a.] { \fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} } \label{fig:banner:scene} } \subfloat[b.] { \fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} } \label{fig:banner:strokes} } \caption{Our algorithms.} \label{fig:banner} \end{center} –  David Doria May 1 '12 at 15:15
I wrote an example. –  Marco Daniel May 1 '12 at 15:24

As I wrote in the comment you should use the environment center instead of a floating one. However my system doesn't know your document class so I can't provide a general solution. Use the package caption which allows setting a type. So at the beginning of center write \captionsetup{type=figure}.

\documentclass{article}
\usepackage{graphicx}
\usepackage[caption=false,format=hang]{subfig}
\usepackage{caption}
\begin{document}
\def\BannerFigSize{.25}
\begin{center}
\captionsetup{type=figure}
\subfloat[a.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:scene}
}
\subfloat[b.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:strokes}
}
\caption{Our algorithms.}
\label{fig:banner}
\end{center}
\end{document}


The class uses special definitions of caption so you can do the following: I defined the command \captiontype{} so that you can use it inside an environment.

\newcommand*\captiontype[1]{\def\@captype{#1}}


In your case simple \captiontype{figure}

\documentclass{acmtog}
\usepackage{graphicx}
\usepackage[caption=false,format=hang]{subfig}
\makeatletter
\newcommand*\captiontype[1]{\def\@captype{#1}}
\makeatother
\begin{document}
\def\BannerFigSize{.25}
\begin{center}
\captiontype{figure}
\subfloat[a.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:scene}
}
\subfloat[b.]
{
\fbox{\rule{0pt}{1in} Some text \rule{1in}{0pt} }
\label{fig:banner:strokes}
}
\caption{Our algorithms.}
\label{fig:banner}
\end{center}
\end{document}

-
Your solution does work as is. However, when I try it with acmtog.cls, I get "\subfloat outside float". When you say "my system doesn't know your document class" - is there something more than dropping this file: daviddoria.com/Uploads/acmtog.cls in the same directory? Thanks for your help so far! –  David Doria May 1 '12 at 15:27
@DavidDoria: See my update –  Marco Daniel May 1 '12 at 15:37
Awesome, that seems to do it, thanks! –  David Doria May 1 '12 at 15:41
Actually... @Marco Daniel I'm not sure why in the demo acmtog produces a single column format? Typically it produces a two column format. In which case we have to span the columns. figure* does that, but center* does not seem to. Is there an easy fix? –  David Doria May 1 '12 at 15:48
@DavidDoria: Not really. Why do you have twocolumn? –  Marco Daniel May 1 '12 at 16:39