.. _program_listing_file_src_pcms_localization_mesh_localization.h:

Program Listing for File mesh_localization.h
============================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_pcms_localization_mesh_localization.h>` (``src/pcms/localization/mesh_localization.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef PCMS_LOCALIZATION_ADJACENCY_LOCALIZATION_H
   #define PCMS_LOCALIZATION_ADJACENCY_LOCALIZATION_H
   
   #include "pcms/localization/localization_factory.h"
   #include "pcms/field/evaluator/mls_options.h"
   
   #include <Omega_h_mesh.hpp>
   
   namespace pcms
   {
   
   // LocalizationFactory implementation using mesh-adjacency BFS search.
   //
   // Stores a non-owning reference to the source mesh. The source mesh must
   // outlive this factory.
   //
   // Build(CoordinateView) dispatch:
   //   - source_entity_dim == VERT: uses two-mesh searchNeighbors (adjacency BFS).
   //   - source_entity_dim != VERT: falls back to N^2 BuildPointCloudSupports.
   //
   class AdjacencyLocalizationFactory : public LocalizationFactory
   {
   public:
     AdjacencyLocalizationFactory(Omega_h::Mesh& source_mesh,
                                  int source_entity_dim, MLSOptions options)
       : source_mesh_(source_mesh),
         source_entity_dim_(source_entity_dim),
         options_(options)
     {
     }
   
     SupportResults Build(
       CoordinateView<DeviceMemorySpace> target_coords) const override;
     SupportResults BuildSameMeshCentroidToVertex() const;
   
   private:
     Omega_h::Mesh& source_mesh_;
     int source_entity_dim_;
     MLSOptions options_;
   };
   
   } // namespace pcms
   
   #endif // PCMS_LOCALIZATION_ADJACENCY_LOCALIZATION_H