\documentclass[12pt]{article}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\usepackage[a4paper,nohead,nofoot]{geometry}
\usepackage{bardiag}
%\usepackage{showkeys}

\usepackage{graphicx}   

\pagestyle{empty}

\newpsobject{showgrid}{psgrid}{subgriddiv=1,griddots=10,gridlabels=6pt}

% New colors defined - I do it in bardiag.cfg
% But you can just put it here, like:
% \definecolor{brown}{rgb}{.65, .16, .16}
% \definecolor{lightblue}{rgb}{.68, .85, .9}
% \definecolor{palegreen}{rgb}{.6, .98, .6}
% \definecolor{pink}{rgb}{1, .75, .8}
% \definecolor{wheat}{rgb}{.96, .87, .7}
% \definecolor{verylightgray}{gray}{0.95}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\mycomment}[1]{}

\begin{document}

% This is a simple way to include a diagram

\begin{center}
\renewcommand{\betweenticks}{0.2}
\bardiagrambegin{10}{1}{2cm}{1}{2}{1cm}{10cm}
       \drawlevellines
       \baritem{Jelger}{0.5}{green}
       \baritem{Johan}{0.7}{red}
       \baritem{Rikkert}{0.8}{yellow}
       \baritem{Henk}{0.3}{green}
       \baritem{Erwin}{0.5}{red}  
\bardiagramend{\large Name}{\large Fraction of Jobs Active}
\end{center}

%--------------------------------------------------

% This is a more accurate way to include a diagram

\begin{figure}[t]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    \centerline{%
     \input{src/1a.tex}
    }
    \centerline{
     \input{src/1b.tex}
    }
   }
  \end{minipage}
\caption{\label{fig:1}Bar Diagram}
\end{figure}

\newpage

\begin{figure}[t]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    \centerline{%
     \input{src/2a.tex}
    }
    \centerline{%
     \input{src/2b.tex}
    }
   }
  \end{minipage}
\caption{\label{fig:2}Bar Diagram - real numbers}
\end{figure}

%\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%\newpage
\def\onecol{red}
\def\twocol{blue}

\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    % %\bgroup
    \centerline{%
     \input{src/3.tex}
    }
    % %\egroup
   }
  \end{minipage}
\caption{\label{fig:3}One more Bar Diagram}
\end{figure}


\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    % %\bgroup
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barTDRect}
       \input{src/4.tex}
    }$ $\\
    Changing only \texttt{ActiveBarPrimitive} parameter from 
    \texttt{barTDRect} to \texttt{barCylinder} yelds:\vspace{1cm}
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barCylinder}
       \input{src/4.tex}
    }
    % %\egroup
   }
  \end{minipage}
\caption{\label{fig:4}Bar Diagram and  3D item-bars}
\end{figure}



\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barTDRect}
       \renewcommand{\frameTD}{1}
       \input{src/5.tex}
    }
   }
  \end{minipage}
\caption{\label{fig:5}One more Bar Diagram in 3D}
\end{figure}

%\newpage %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    % %\bgroup
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barTDRect}
       \renewcommand{\frameTD}{1}
       \input{src/6.tex}
    }
    % %\egroup
   }
  \end{minipage}
\caption{\label{fig:6}One more Bar Diagram in 3D}
\end{figure}


\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barCylinder}
       \renewcommand{\frameTD}{1}
       \input{src/7.tex}
    }
   }
  \end{minipage}
\caption{\label{fig:7}One more Bar Diagram in 3D (bar $\to$ cylinder)}
\end{figure}

\begin{figure}[!htbp]
  \begin{minipage}[t]{\textwidth}
   \parbox[b]{\textwidth}{%
    \centering
    % %\bgroup
    \centerline{%
       \renewcommand{\ActiveBarPrimitive}{\barTDRect}
       \renewcommand{\frameTD}{1}
       \input{src/8.tex}
    }
    % %\egroup
   }
  \end{minipage}
\caption{\label{fig:8}Bar Diagram with ``top'' items}
\end{figure}


\end{document}