`XDGMesh` Object - #3889

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pshriwise wants to merge 52 commits into

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pshriwise:xdg-mesh

Commits on Aug 21, 2026

Initial implementation of the XDG mesh
pshriwise
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bb7f530
Accounting for XDGMesh when creating MeshFilters
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e722e0d
Updating call to XDG for element connectivity
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04b9573
Adding XDG unstructured mesh tallies mirroring those of the current unstructured mesh capabilities.
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b7b5924
Use explicit name for kwarg for clarity
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752fae5
Report XDG availability in build info
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0fb73d0
Only set libmesh comms in XDG if it has libMesh enabled
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1ceba8d
Adding XDG to CI builds. MOAB and libMesh should be built if XDG is enabled in the test configuration
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834701c
Adding init files for proper test discovery with pytest
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4679ffb
Update submodules when cloning XDG in CI
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c8313d6
Add XDG to the OpenMC CMake config file
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1180069
Adding more test scenarios for XDG meshes
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106ea52
More descriptive test labels
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49f9c65
Returning const string ref for mesh filename
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14b9890
C++ style
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0638957
Apply suggestions from @nuclearkevin

pshriwise
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nuclearkevin
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d15dba6
Fix includes in xdg.h/cpp

paulromano
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ab183b2
Add some Doxygen comments in xdg.h

paulromano
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aceaf56
Reorder methods

paulromano
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72578de
Python imports

paulromano
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657fe94
Remove extra line

paulromano
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pshriwise
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5ab893b
Combined two #ifdefs

paulromano
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pshriwise
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a1fc3b6
Rename local variable to center to avoid same name as method

paulromano
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1797bf5
Test updates

paulromano
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e29b315
Use pathlib in test

paulromano
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4932c75
Fix circular import

paulromano
authored and
pshriwise
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9913cff
Lump unstructured mesh capabilities into one CI matrix parameter
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8fcddd7
A start on @paulromano's PR comments
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41e96ca
Adressing more comments from @paulromano
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5fccdd4
Update XDG and unstructured mesh tests to use a distributed spherical source
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74e07f5
Report error for invalid mesh library type in XDG mesh
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b4ddd48
Classify XDG as its own mesh type on the C++ side
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021381f
Include Embree apt package in CI for XDG
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da1b67f
C++ format
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3cec4e2
Correct test matrix attribute. Build XDG with tools enabled in CI.
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d570e85
Update CI matrix to remove additional DAGMC/LibMesh jobs
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9910364
Additions so that XDG meshes can be postprocessed correctly
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34c66dd
Run XDG tests if XDG is enabled, do not filter based on other umesn library symbols
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2bea0b3
Add support for length multiplier in the XDGMesh class
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2d8a708
XDGMesh Python class now inheriting from UnstructuredMesh
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ba5908d
Fix C++ formatting
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cc88d08
Using marker UnstructuredMesh.interface to enable direction to XDG meshes
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b45bfdd
Remove xdg.py file. It is now unused
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cb4b90f
C++ formatting
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644f86a
Remove other references to the XDGMesh Python class
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665b095
Correct attr name for unstructured mesh interface
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b057de3
Other instances of consolidating xdg mesh support into the UnstructuredMesh class
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d898d86
Update regression tests to include XDG mesh type
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5a65353
Including XDG hex mesh tests
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07e85e7
Link XDG to libopenmc_objects target
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5cb30d8
Add XDG option to the CAPI feature_enabled function
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937685c
Adjust incoming position for bins_crossed if length multiplier is set
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07064a4