fem_extras.cpp

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// Copyright (c) 2010-2024, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-806117.
//
// This file is part of the MFEM library. For more information and source code
// availability visit https://mfem.org.
//
// MFEM is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
 
#include "fem_extras.hpp"
 
using namespace std;
 
namespace mfem
{
 
namespace common
{
 
H1_FESpace::H1_FESpace(Mesh *m,
                       const int p, const int space_dim, const int type,
                       int vdim, int order)
   : FiniteElementSpace(m, new H1_FECollection(p,space_dim,type),vdim,order)
{
   FEC_ = this->FiniteElementSpace::fec;
}
 
H1_FESpace::~H1_FESpace()
{
   delete FEC_;
}
 
ND_FESpace::ND_FESpace(Mesh *m, const int p, const int space_dim,
                       int vdim, int order)
   : FiniteElementSpace(m, new ND_FECollection(p,space_dim),vdim,order)
{
   FEC_ = this->FiniteElementSpace::fec;
}
 
ND_FESpace::~ND_FESpace()
{
   delete FEC_;
}
 
RT_FESpace::RT_FESpace(Mesh *m, const int p, const int space_dim,
                       int vdim, int order)
   : FiniteElementSpace(m, new RT_FECollection(p-1,space_dim),vdim,order)
{
   FEC_ = this->FiniteElementSpace::fec;
}
 
RT_FESpace::~RT_FESpace()
{
   delete FEC_;
}
 
void VisualizeMesh(socketstream &sock, const char *vishost, int visport,
                   Mesh &mesh, const char *title,
                   int x, int y, int w, int h, const char * keys)
{
   bool newly_opened = false;
   int connection_failed;
 
   do
   {
      if (!sock.is_open() || !sock)
      {
         sock.open(vishost, visport);
         sock.precision(8);
         newly_opened = true;
      }
      sock << "mesh\n";
 
      mesh.Print(sock);
 
      if (newly_opened)
      {
         sock << "window_title '" << title << "'\n"
              << "window_geometry "
              << x << " " << y << " " << w << " " << h << "\n";
         if ( keys ) { sock << "keys " << keys << "\n"; }
         sock << endl;
      }
 
      connection_failed = !sock && !newly_opened;
   }
   while (connection_failed);
}
 
void VisualizeField(socketstream &sock, const char *vishost, int visport,
                    GridFunction &gf, const char *title,
                    int x, int y, int w, int h, const char * keys, bool vec)
{
   Mesh &mesh = *gf.FESpace()->GetMesh();
 
   bool newly_opened = false;
   int connection_failed;
 
   do
   {
      if (!sock.is_open() || !sock)
      {
         sock.open(vishost, visport);
         sock.precision(8);
         newly_opened = true;
      }
      sock << "solution\n";
 
      mesh.Print(sock);
      gf.Save(sock);
 
      if (newly_opened)
      {
         sock << "window_title '" << title << "'\n"
              << "window_geometry "
              << x << " " << y << " " << w << " " << h << "\n";
         if ( keys ) { sock << "keys " << keys << "\n"; }
         else { sock << "keys maaAc\n"; }
         if ( vec ) { sock << "vvv"; }
         sock << endl;
      }
 
      connection_failed = !sock && !newly_opened;
   }
   while (connection_failed);
}
 
} // namespace common
 
} // namespace mfem