Commit 657cc7ec authored by Jens Kroeger's avatar Jens Kroeger
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chapter how-to-align: description of usage of [AlignmentMillepede]

parent 401d1766
......@@ -161,6 +161,11 @@ If the alignment keeps to fail, it is possible to allow only for rotational or t
\label{fig:exampleAlignment}
\end{figure}
The alignment can be further improved by using the module \texttt{[AlignmentMillepede]}.
It requires a rather good alignment already, so it should not be used directly after a coarse prealignment by hand or \texttt{[Prealignment]}.
It is recommended to use the last (tightest) cuts that have been used for the telescope alignment in the previous step and then reduce them further.
Once the alignment has converged, this module stops and the alignment is complete.
\textbf{Note:} When starting the alignment procedure from a slightly different initial geometry, the resulting alignment (i.e.~the numbers in the detectors file) will differ slightly which is acceptable. What should \textbf{not} differ is the width of the residuals.
\section{Aligning the DUT}
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