refinement.
<br>
(Luca Heltai 2007/09/10)
+ </p>
+ </li>
+ <li> <p>Extendend: The possibilities of graphical output via the DataOut,
+ DataOutFaces and DataOutRotation classes have been extended by the
+ ability to perform a postrocessing step before a given data
+ vector is written to the output. This way, derived variables can be
+ written instead of the original data. To this end, there is a new
+ version of <code>DataOut_DoFData::add_data_vector</code> taking a
+ data vector and a DataPostprocessor, which performs the actual
+ calculation of new data based on the values and possibly derivatives
+ of the original data at each point of the patch.
+ <br>
+ (Tobias Leicht 2007/09/10)
</p>
</li>
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