DM: Now extrusion is like DMRefine() and implemented through DMPlexTransform - DMExtrude() replaces DMPlexExtrude() - Added an extrusion transformation - Added DMPlexTransformSetDimensions() and setd

DM: Now extrusion is like DMRefine() and implemented through DMPlexTransform - DMExtrude() replaces DMPlexExtrude() - Added an extrusion transformation - Added DMPlexTransformSetDimensions() and setdimensions function - DMPlexTransformMapCoordinates() and DMPlexSnapToGeomModel() now take the coordinate dimension - -dm_extrude replaces -dm_plex_extrude_layers

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Merge branch 'knepley/feature-orientation-rethink' into 'main'

Plex: Rethink Plex orientation

See merge request petsc/petsc!4218

Plex: DMPlexTransform is now the way to manipulate a Plex
- Replace DMPlexCellRefiner with DMPlexTransform
- Replace CellRefinerInCellTest_Internal() with DMPolytopeInCellTest()
- Replace DMPlexCe

Plex: DMPlexTransform is now the way to manipulate a Plex
- Replace DMPlexCellRefiner with DMPlexTransform
- Replace CellRefinerInCellTest_Internal() with DMPolytopeInCellTest()
- Replace DMPlexCellRefinerGetAffineTransforms() with
DMPlexRefineRegularGetAffineTransforms()

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Merge branch 'knepley/fix-plex-creation' into 'main'

Plex: Better handling of coordinate space

See merge request petsc/petsc!4007

Plex: Better handling of coordinate space
- Better default for creating coordinate space
- DMPlexReplace_Static() should copy coordFunc
- Creation functions that use extrusion should take tensor cell

Plex: Better handling of coordinate space
- Better default for creating coordinate space
- DMPlexReplace_Static() should copy coordFunc
- Creation functions that use extrusion should take tensor cells
- Allow Plex to turn off remapping on refinement
- DMPlexCopyCoordinates() should preserve the coordinate space
- Fix for handling of periodic coordinates
- Remove periodic structures after localization
- Cannot remap periodic coordinates because localized cells throw it off

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Merge branch 'knepley/feature-plex-ceed-integration' into 'main'

Plex: Initial CEED integration

See merge request petsc/petsc!3918

Plex: Update examples to use new creation interface

Merge branch 'knepley/feature-plex-2d-adapt' into 'master'

Knepley/feature plex 2d adapt

See merge request petsc/petsc!3461

Plex: Added parallel SBR refinement
- Only 2D

Merge branch 'knepley/feature-dm-remove-hybrid' into 'master'

Knepley/feature dm remove hybrid

See merge request petsc/petsc!2614

DMPlex: Fixed cell reordering and namespaced cell type names
- Namespaced DMPlexCellRefinerType enum items
- Added DMPlexReorderCell() and refactored DMPlexInvertCell()
- Update Gmsh reader to han

DMPlex: Fixed cell reordering and namespaced cell type names
- Namespaced DMPlexCellRefinerType enum items
- Added DMPlexReorderCell() and refactored DMPlexInvertCell()
- Update Gmsh reader to handle tet+tri-prism meshes

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DM+Plex: Example Fixes for cell type rewrite

DM+Plex: Removed the idea of hybrid and ghost cells, in favor of cell type
- Improved Plex tests to work for other cell types
- Plex creation, interpolation, submesh, and refinement routines now set

DM+Plex: Removed the idea of hybrid and ghost cells, in favor of cell type
- Improved Plex tests to work for other cell types
- Plex creation, interpolation, submesh, and refinement routines now set the cell type
- Distribution sorts strata by cell type
- Fixed orientation of prisms from input formats
- Added Plex ex40 to test regular refinement
- CellRefiner is a PetscObject
- dm_plex_cell_refiner chooses the refinement strategy
- Removed SimplexToTensor stuff in favor of ToHex refiner
- Most functions take DMPolytopeType instead of CellRefiner
- CellRefinerInCellTest_Internal()
- CellRefinerGetAffineTransforms_Internal()
- CellRefinerGetAffineFaceTransforms_Internal()
- DMForest now responds to DMPlexGetOverlap() and propagates its overlap to the underlying Plex
- Use DMPlexComputeCellType_Internal() to classify a cell based only on topology
- Added DMPlexGetSimplexOrBoxCells() to replace DMPlexGetInteriorCellStratum()
- Added DM_POLYTOPE_POINT_PRISM_TENSOR
- Added DMPolytopTypeGetDim() and DMPolyTopeTypeGetConeSize()
- Added DMLabelSetStratumBounds()
- Added DMPlexSetCellType()
- Added celltypes to DMView()
- Added DMPolytopeTypeGetNumVertices()
- Added DMPlexCreateReferenceCellByType()
- Added DMPolytopeTypeFromGmsh()
- Made DMPlexRefineUniform() public

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