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<p class="MsoPlainText">Dear users,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">We are happy to announce a release update for <b>MOAB</b> (version
<b><u>5.2.0</u></b>). The release tarball can be downloaded from the following link.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><a href="ftp://ftp.mcs.anl.gov/pub/fathom/moab-5.2.0.tar.gz">ftp://ftp.mcs.anl.gov/pub/fathom/moab-5.2.0.tar.gz</a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">We thank our users for the continued feature contributions and bug fixes.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Patrick Shriwise<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Johannes Probst<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Ben Whitney<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">John Cary<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Paul P.H. Wilson<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Michel de Messieres<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Kris Beckwith<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Kalin Kiesling<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Baptiste Mouginot<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">Hill Yuan<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">The detailed list of feature additions and contributed enhancements + fixes that are part of the release are provided below.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:.3in;margin-right:0in;margin-bottom:.3in;margin-left:0in">
<b>Features<o:p></o:p></b></p>
<ul type="disc">
<li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #424, #445, #461, #462, #467, #474</span></i><span style="font-size:11.0pt">: Significant feature additions in
<u>mbtempest</u> to improve the TempestRemap-based mapping weights generation workflow<br>
– Expose both Kd-tree and advancing front intersection<br>
– Verifications of mapping weight generation for very high-res cases at scale<br>
– Improve <u>mbconvert</u> to transform TR supported file formats to MOAB h5m and vice-versa<br>
– Ability to write out the computed remapping weights in parallel to a h5m file is now supported. A <u>h5mtoscrip</u> utility tool to convert the h5m file to SCRIP format is available.<br>
– Add an extra verification option for maps computed with <u>mbtempest</u> to validate projection weights<br>
– Improve master-slave partitioner tool<br>
– Performance enhancements: Several optimizations in the iMOAB implementation and OnlineMap computation routines have been implemented<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #437</span></i><span style="font-size:11.0pt">: Allow ability to support empty parts in parallel mesh handling<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #454, #464, #475</span></i><span style="font-size:11.0pt">: Enable coupling and consistent remap of data between discrete meshes and point cloud representations<br>
– A new <u>ParCommGraph</u> class is now available to store communication patterns between MPI groups<br>
– Feature additions support rendezvous coupling that has been tested for multi-way transfer between atmosphere, ocean, land components<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #465</span></i><span style="font-size:11.0pt">: Add a new
<u>KDtree</u>-based intersection to replace advancing front intersection when dealing with source grids with holes<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #471</span></i><span style="font-size:11.0pt">: Introduce the concept of an “inferred” master-slave partitioning method using Zoltan RCB algorithm in
<u>mbpart</u><br>
– This feature provided a significant speedup for offline remapping calculations on a sphere<br>
– <i>TODO</i>: Test similar ideas for other coupled computational problems<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #482</span></i><span style="font-size:11.0pt">: Domain file reader in NetCDF format to support E3SM integration<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #485</span></i><span style="font-size:11.0pt">: Extensive CMake configuration updates to support
<u>Windows</u> platform builds<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l4 level1 lfo3">
<i><span style="font-size:11.0pt">PR #486</span></i><span style="font-size:11.0pt">: Adding a new option for area computations using Gauss quadrature based integration instead of spherical excess<o:p></o:p></span></li></ul>
<p class="MsoNormal" style="mso-margin-top-alt:.3in;margin-right:0in;margin-bottom:.3in;margin-left:0in">
<b>Enhancements<o:p></o:p></b></p>
<ul type="disc">
<li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #419</span></i><span style="font-size:11.0pt">: Cache the latest facet for RayHistory in OBB tree<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #420, #435</span></i><span style="font-size:11.0pt">: Global ID default value (unset) is now -1, while DOFs related to Global ID start from 1<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #429</span></i><span style="font-size:11.0pt">: Option for consistent (multiple) ghost layers in thin partitions<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #438</span></i><span style="font-size:11.0pt">: Improve coexistence of LAPACK and Eigen3 in configurations<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #442</span></i><span style="font-size:11.0pt">: MBTR - Remove assumption that FV DoF numbering is 0-based (now 1-based for both FV/SE)<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #444, #449</span></i><span style="font-size:11.0pt">: CMake build improvements related to MPI, HDF5, OSX<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #446</span></i><span style="font-size:11.0pt">: Option to reset Global IDs during partitioning<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #455</span></i><span style="font-size:11.0pt">: Enforce MOAB flags to add c++0x flags if supported<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #463</span></i><span style="font-size:11.0pt">: Update default download option for NetCDF(4.6.3), HDF5 (1.10.1)<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #468</span></i><span style="font-size:11.0pt">: PyMOAB bindings to set_connectivity<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #475</span></i><span style="font-size:11.0pt">: Improve regridding intersection robustness<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #483</span></i><span style="font-size:11.0pt">: Add a new download option to sync large files from FTP site to avoid bloating repository with static meshes<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l5 level1 lfo6">
<i><span style="font-size:11.0pt">PR #488</span></i><span style="font-size:11.0pt">: Enforce uniform formatting of the entire source repository with clang-format tool with updated coding guidelines<o:p></o:p></span></li></ul>
<p class="MsoNormal" style="mso-margin-top-alt:.3in;margin-right:0in;margin-bottom:.3in;margin-left:0in">
<b>Fixes<o:p></o:p></b></p>
<ul type="disc">
<li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #414, #434</span></i><span style="font-size:11.0pt">: HDF5 writer fixes for polyhedral meshes, to address issues #99 and #110<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #415</span></i><span style="font-size:11.0pt">: Fixing index overflow in SQIJ partition for structured meshes<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #417, #421, #469</span></i><span style="font-size:11.0pt">: Python bindings fixes and compliance to Python 3 standards<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #430</span></i><span style="font-size:11.0pt">: Fixing HDF5 regression test issues<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #431, #453, #466, #480</span></i><span style="font-size:11.0pt">: Changes to conform to evolving TempestRemap API co-development<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #450</span></i><span style="font-size:11.0pt">: Fix seqfault in Range destructor<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #472</span></i><span style="font-size:11.0pt">: HDF5 file descriptor initialization that resolves some issues in VisIt-MOAB plugin<o:p></o:p></span></li><li class="MsoListParagraph" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:-.25in;mso-list:l2 level1 lfo9">
<i><span style="font-size:11.0pt">PR #473</span></i><span style="font-size:11.0pt">: Minor fix for Tqdcfr reader</span><o:p></o:p></li></ul>
<p class="MsoPlainText">Please let us know if you have any questions or issues that occur during the upgrade.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thank you,<o:p></o:p></p>
<p class="MsoPlainText">MOAB development team<o:p></o:p></p>
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