parallel_ghost_sync.C

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00001 #include "libmesh/parallel_ghost_sync.h"
00002 
00003 
00004 SyncNodalPositions::SyncNodalPositions(MeshBase& m)
00005   : mesh(m)
00006 {}
00007 
00008 
00009 
00010 void SyncNodalPositions::gather_data (const std::vector<dof_id_type>& ids, std::vector<datum>& data)
00011 {
00012   data.resize(ids.size());
00013 
00014   // Gather (x,y,z) data for all node IDs in the ids vector
00015   for (std::size_t i=0; i<ids.size(); ++i)
00016     {
00017       // Look for this node in the mesh
00018       Node *node = mesh.node_ptr(ids[i]);
00019 
00020       if (node == NULL)
00021         {
00022           libMesh::err << "Error! Mesh returned a NULL node pointer in SyncNodalPosition::gather_data()." << std::endl;
00023           libmesh_error();
00024         }
00025 
00026       // Store this node's position in the data array.
00027       // This should call Point::op=
00028       data[i] = *node;
00029     } // end for
00030 } // gather_data()
00031 
00032 
00033 
00034 void SyncNodalPositions::act_on_data (const std::vector<dof_id_type>& ids, std::vector<datum>& data)
00035 {
00036   for (std::size_t i=0; i<ids.size(); ++i)
00037     {
00038 
00039       // Get a pointer to the node whose position is to be updated.
00040       Node* node = mesh.node_ptr(ids[i]);
00041 
00042       if (node == NULL)
00043         {
00044           libMesh::err << "Error! Mesh returned a NULL node pointer in SyncNodalPosition::act_on_data()." << std::endl;
00045           libmesh_error();
00046         }
00047 
00048       // Update this node's position.  Should call Point::op=
00049       *node = data[i];
00050     } // end for
00051 } // act_on_data()
00052 
00053
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Last modified: February 05 2013 19:54:48 UTC

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