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\title{The ILD simulation model in lcgeo (DD4hep) }

%\author{Frank Gaede$^{a,b}$ \\ % E-mail: {frank.gaede@desy.de}
%  \footnotesize
%  $^a$~Deutsches-Elektronen-Synchrotron, DESY, Notkestr.85, 22607 Hamburg, Germany\\
%  $^b$~CERN, Route de Meyrin 385, 1217 Meyrin, Switzerland
%} 
\author{Frank Gaede, DESY \\ % E-mail: {frank.gaede@desy.de}
%  Deutsches-Elektronen-Synchrotron, DESY, Notkestr.85, 22607 Hamburg, Germany
}
\date{\today}

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\begin{document}

\maketitle
%\abstract{This document describes the ILD simulation model in lcge (DD4hep)... }
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%\tableofcontents 
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\section{Envelopes}
The new ILD simulation model has mandatory envelope volumes defined for the individual subdetectors.
This section describes the current parameters for these envelope volumes and their shapes.


{\small
  \begin{table}
    \include{ILD_envelopeTable}
    \caption{Parameters of the envelope volumes in the simulation model. 
      \em{Note: inner and outer radii describe the inscribing cylinder for regular polyhedral barrel detectors.}
      See Fig.\ref{ild:fig:rphi_envelopes} for the symmetries of the barrel envelopes.
    }

  \end{table}
}

\begin{figure}[th]
  \centering
  \includegraphics[width=\columnwidth]{ILD_rz_quadrant}
  \caption{Envelope volumes for ILD detectors in simulation model}
  \label{ild:fig:rz_envelopes}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=\columnwidth]{ILD_envelopes_3d_front}
  \caption{Barrel envelope volumes for ILD detectors in simulation model as seen from the front}
  \label{ild:fig:rphi_envelopes}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=\columnwidth]{tracking_envelopes}
  \caption{Envelopes for the tracking detectors in ILD: VXD, SIT, FTD, TPC, SET.}
  \label{ild:fig:trk_envelopes}
\end{figure}


\begin{figure}[th]
  \centering
  \includegraphics[width=1.3\columnwidth]{VXD_rz_envelope}
  \caption{side view of the VXD envelope}
  \label{ild:fig:vxd_env_rz}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=1.3\columnwidth]{SIT_rz_envelope}
  \caption{side view of the SIT envelope}
  \label{ild:fig:sit_env_rz}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=1.3\columnwidth]{FTD_rz_envelope}
  \caption{side view of the FTD envelope}
  \label{ild:fig:ftd_env_rz}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=\columnwidth]{TPC_rz_envelope}
  \caption{side view of the TPC envelope}
  \label{ild:fig:tpc_env_rz}
\end{figure}

\begin{figure}[th]
  \centering
  \includegraphics[width=1.3\columnwidth]{SET_rz_envelope}
  \caption{side view of the SET envelope}
  \label{ild:fig:set_env_rz}
\end{figure}


%\section{Summary and Outlook}



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%\bibliography{ILD-simulation}


\end{document}
