我正在写一张海报a0poster，必须按照会议指导。在页眉，标题的左边，我必须留出一些空间，以便组委会可以插入信息，但我做不到。
下面是我正在使用的代码。我该如何修改它来引入空格？
感谢您的帮助。
\documentclass[portrait,a0b,final]{a0poster}
\usepackage{epsfig}
\usepackage{pstricks,pst-grad}
\usepackage{amsmath,amsthm,amssymb,epsfig,multirow}
\usepackage[brazil]{babel}
\usepackage{alltt}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{mathpazo}
\usepackage[divps]{psfrag}
\usepackage{multicol}
\usepackage{maybemath}
\newcommand{\nx}{\ensuremath{\mbox{\boldmath$x$}}}
\newcommand{\nX}{{\bf X}}
\newcommand{\vbeta}{\ensuremath{\mbox{\boldmath$\beta$}}}
\newcommand{\vtheta}{\ensuremath{\mbox{\boldmath$\theta$}}}
\newcommand{\tr}{\ensuremath{{\mbox{\it{\tiny T}}}}}
\newcommand{\R}{\ensuremath{I\!\!R}}
% Definition of some variables and colors
\setlength{\columnsep}{4cm}
\setlength{\columnseprule}{0.2mm}
\setlength{\parindent}{0.0cm}
%%% Background
\newcommand{\background}[3]{
\newrgbcolor{cgradbegin}{#1}
\newrgbcolor{cgradend}{#2}
\psframe[framearc=0.1,fillstyle=gradient,gradend=cgradend,
gradbegin=cgradbegin,gradmidpoint=#3](0.,0.)(1.\textwidth,-1.\textheight)
}
%%% Poster
\newenvironment{poster}{
\begin{center}
\begin{minipage}[c]{0.98\textwidth}
}{
\end{minipage}
\end{center}
}
%%% pcolumn
\newenvironment{pcolumn}[1]{
\begin{minipage}{#1\textwidth}
\begin{center}
}{
\end{center}
\end{minipage}
}
%%% box
\newcommand{\pbox}[4]{
\psshadowbox[#3]{
\begin{minipage}[t][#2][t]{#1}
#4
\end{minipage}
}}
\begin{document}
\background{1. 1. 1.}{1. 1. 1.}{0.5}
\vspace*{5.5cm}
\newrgbcolor{white}{1. 1. 1.}
\definecolor{darkgreen}{cmyk}{0.9,0,0.9,0}
\definecolor{whitegreen}{cmyk}{0.3,0,0.3,0}
\begin{poster}
%%% Header
\begin{center}
\begin{pcolumn}{0.99}
\pbox{0.95\textwidth}{}{linewidth=2mm,framearc=0.3,linecolor=darkgreen,fillstyle=gradient,gradangle=0,gradbegin=white,gradend=white,gradmidpoint=1.0,framesep=1em}{
%%% Unisiegel
\begin{minipage}[c][9cm][c]{0.1\textwidth}
\begin{center}
\scalebox{1.0}{\includegraphics{LogoUSP.EPS}}
\end{center}
\end{minipage}
%%% Title
\begin{minipage}[c][9cm][c]{0.78\textwidth}
\begin{center}
{\sc \begin{LARGE}\textbf{TITLE}\end{LARGE}}\\[10mm]
{\Large Author1$^{1}$, Author2$^{1}$ and Author3$^{1}$\\[7.5mm]
$^{1\,}$University\\[7.5mm] e-mail1; e-mail2; e-mail3}
\end{center}
\end{minipage}
%%% GK-Logo
\begin{minipage}[c][9cm][c]{0.1\textwidth}
\begin{center}
\scalebox{0.6}{\includegraphics{LogoIBS.EPS}}
\end{center}
\end{minipage}
}
\end{pcolumn}
\end{center}
\vspace*{4.5cm}
\begin{multicols}{3}
\baselineskip 32pt
\begin{center}\pbox{.8\columnwidth}{}
{linewidth=2mm,framearc=0.1,linecolor=darkgreen,fillstyle=gradient,gradangle=0,gradbegin=white,gradend=whitegreen,gradmidpoint=1.0,framesep=1em}
{\begin{center}\begin{Large}\textbf{Introduction}\end{Large}\end{center}}\end{center}\vspace{1.0cm}
\begin{itemize}
\item 1.
\item 2.
\item 3.
\end{itemize}
\end{multicols}
\end{poster}
\end{document}
答案1
我不知道我是否正确理解了你的问题；你可以减小为标题和作者保留的框的宽度，并minipage在此框前添加一个；这minipage将为你提供为机构保留的区域；类似于下面的示例代码（我更正了原始代码中的一些虚假空格，但我不确定我是否全部更正了（我没有时间））：
\documentclass[portrait,a0b,final]{a0poster}
\usepackage{epsfig}
\usepackage{pstricks,pst-grad}
\usepackage{amsmath,amsthm,amssymb,epsfig,multirow}
\usepackage[brazil]{babel}
\usepackage{alltt}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{mathpazo}
\usepackage[divps]{psfrag}
\usepackage{multicol}
\usepackage{maybemath}
\newcommand{\nx}{\ensuremath{\mbox{\boldmath$x$}}}
\newcommand{\nX}{{\bf X}}
\newcommand{\vbeta}{\ensuremath{\mbox{\boldmath$\beta$}}}
\newcommand{\vtheta}{\ensuremath{\mbox{\boldmath$\theta$}}}
\newcommand{\tr}{\ensuremath{{\mbox{\it{\tiny T}}}}}
\newcommand{\R}{\ensuremath{I\!\!R}}
% Definition of some variables and colors
\setlength{\columnsep}{4cm}
\setlength{\columnseprule}{0.2mm}
\setlength{\parindent}{0.0cm}
%%% Background
\newcommand{\background}[3]{%
\newrgbcolor{cgradbegin}{#1}
\newrgbcolor{cgradend}{#2}
\psframe[framearc=0.1,fillstyle=gradient,gradend=cgradend,
gradbegin=cgradbegin,gradmidpoint=#3](0.,0.)(1.\textwidth,-1.\textheight)
}
%%% Poster
\newenvironment{poster}{
\begin{center}
\begin{minipage}[c]{0.98\textwidth}
}{
\end{minipage}%
\end{center}%
}
%%% pcolumn
\newenvironment{pcolumn}[1]{%
\begin{minipage}[t]{#1\textwidth}
\begin{center}
}{
\end{center}
\end{minipage}%
}
%%% box
\newcommand{\pbox}[4]{%
\psshadowbox[#3]{%
\begin{minipage}[t][#2][t]{#1}
#4
\end{minipage}%
}}
\begin{document}
\background{1. 1. 1.}{1. 1. 1.}{0.5}
\vspace*{5.5cm}
\newrgbcolor{white}{1. 1. 1.}
\definecolor{darkgreen}{cmyk}{0.9,0,0.9,0}
\definecolor{whitegreen}{cmyk}{0.3,0,0.3,0}
\begin{poster}
%
%%% Header
\begin{center}
\begin{pcolumn}{.99}
\begin{minipage}[t][9cm][t]{.24\textwidth}
\centering
{\bfseries\Huge SESION No.\par}
This is the space that will be used by the Secretariat to add some information
\end{minipage}\hfill
\pbox{\dimexpr.65\textwidth-1cm\relax}{9cm}{%
linewidth=2mm,
framearc=0.3,
linecolor=darkgreen,
fillstyle=gradient,
gradangle=0,
gradbegin=white,
gradend=white,
gradmidpoint=1.0,
framesep=1em}%
{%
%%% Unisiegel
\begin{minipage}[t][9cm][c]{0.1\textwidth}
\centering
\includegraphics[width=.8\textwidth]{LogoUSP.EPS}
\end{minipage}\hfill
%%% Title
\begin{minipage}[t][9cm][c]{0.45\textwidth}
\begin{center}
{\sc \begin{LARGE}\textbf{TITLE}\end{LARGE}}\\[10mm]
{\Large Author1$^{1}$, Author2$^{1}$ and Author3$^{1}$\\[7.5mm]
$^{1\,}$University\\[7.5mm] e-mail1; e-mail2; e-mail3}
\end{center}
\end{minipage}\hfill
%%% GK-Logo
\begin{minipage}[t][9cm][c]{0.1\textwidth}
\centering
\includegraphics[width=.8\textwidth]{LogoIBS.EPS}
\end{minipage}%
}
\end{pcolumn}
\end{center}
\end{poster}
\end{document}
