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brugger authored
I enhanced VisIt to handle database readers that can provide 2D multi resolution versions of the data. When 2D multi resolution is enabled, the avtMultiresFilter adds a multi resolution data selection to the contract that contains the view frustum and a desired cell size. The reader then needs to return a data set that covers the frustum and has a cell size smaller than the desired cell size assuming that the mesh covers the extents and has cells smaller than the desired size. The reader also needs to add to the contract the actual frustum covered and the actual cell size returned. A working example of a reader that supports multi resolution data selection was added. It is the MRTest reader and is built when specifying -DVISIT_BUILD_ALL_PLUGINS=1 with cmake. I also updated the release notes with a description of the change. git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@22537 18c085ea-50e0-402c-830e-de6fd14e8384
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