Jaekwang, DataOut creates data at each corner of each cell. However, DataOutFilter[1] allows to reduce the number of data to just one value for each vertex. Answering your question: DataPostprocessor doesn't choose a value but the output includes all of them.
Best, Daniel [1] https://www.dealii.org/8.5.0/doxygen/deal.II/classDataOutBase_1_1DataOutFilter.html#aac0c8391641850d7df17352f607123ae -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
