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Feature: SFC-Based Tree Indexing #2324

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Feature: SFC-Based Tree Indexing #2324

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fdea0bf
initial Commit
tunxu May 15, 2026
0ab2e07
Create a cmesh from bounding box around given cmesh
tunxu May 19, 2026
2c69750
Added check for required refinement level
tunxu May 26, 2026
a480c71
working test
tunxu Jun 3, 2026
06be9b5
Zwischencommit zum Umwechseln
tunxu Jun 15, 2026
82e1524
Fixed some issues
Jun 24, 2026
54bfb09
Reindex performed on stash
Jul 6, 2026
03d22ae
Working test
Jul 9, 2026
e68eb53
deleted vtk file writes
Jul 9, 2026
25114ab
removed old assertion
Jul 9, 2026
47bb76b
Iterating through list of vertices once now
Jul 15, 2026
98aa58a
Merge branch 'main' into feature-tree_reindexing
Jul 15, 2026
2775f8b
Commit in between
Jul 16, 2026
eba4e31
Added flag into t8_cmesh_types, reindexing now during commit activatable
Jul 21, 2026
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1 change: 1 addition & 0 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ target_sources( T8 PRIVATE
t8_cmesh/t8_cmesh_internal/t8_cmesh_partition.cxx
t8_cmesh/t8_cmesh_internal/t8_cmesh_stash.c
t8_cmesh/t8_cmesh_internal/t8_cmesh_trees.cxx
t8_cmesh/t8_cmesh_internal/t8_cmesh_tree_reindex.cxx
t8_cmesh/t8_cmesh_vertex_connectivity/t8_cmesh_vertex_conn_tree_to_vertex.cxx
t8_cmesh/t8_cmesh_vertex_connectivity/t8_cmesh_vertex_conn_vertex_to_tree.cxx
t8_cmesh/t8_cmesh_vertex_connectivity/t8_cmesh_vertex_connectivity.cxx
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7 changes: 7 additions & 0 deletions src/t8_cmesh/t8_cmesh_internal/t8_cmesh_commit.cxx
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Expand Up @@ -36,6 +36,7 @@
#include <t8_cmesh/t8_cmesh_geometry.hxx>
#include <t8_geometry/t8_geometry_handler.hxx>
#include <t8_cmesh/t8_cmesh_vertex_connectivity/t8_cmesh_vertex_connectivity.hxx>
#include <t8_cmesh/t8_cmesh_internal/t8_cmesh_tree_reindex.hxx>

/**
* A struct to hold the information about a ghost facejoin.
Expand Down Expand Up @@ -148,6 +149,12 @@ t8_cmesh_commit_replicated_new (t8_cmesh_t cmesh)
t8_stash_class_struct_t *entry;
t8_locidx_t num_trees = class_entries->elem_count, ltree;

if (cmesh->reindex_trees) {
std::map<t8_gloidx_t, t8_gloidx_t> reindexing_map = t8_cmesh_reindex_tree (cmesh);

t8_cmesh_tree_perform_reindex_inplace (stash, reindexing_map);
}

t8_cmesh_trees_init (&cmesh->trees, 1, num_trees, 0);
t8_cmesh_trees_start_part (cmesh->trees, 0, 0, num_trees, 0, 0, 1);
/* set tree classes */
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