%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  1. Auflage
%% 
%%  Beispiel 15-03-49 auf Seite 789.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{118.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-gantt}
\StopShownPreambleCommands
\begin{document}
\begin{PstGanttChart}[yunit=1.5,ChartUnitIntervalName=Year,
 ChartUnitBasicIntervalName=Month,
 TaskUnitIntervalValue=12,TaskUnitType=Year,
 ChartShowIntervals]{4}{4}
 \PstGanttTask[TaskInsideLabel={Task 1}]{0}{1}
 \PstGanttTask[TaskInsideLabel={Task 2},
   TaskUnitType=Month]{6}{24} % 24 mon start at 6
  \PstGanttTask[TaskInsideLabel={Task 3}]{2}{2}
  \PstGanttTask[TaskInsideLabel={Task 4}]{3}{1}
\end{PstGanttChart}
\end{document}