remesh.C

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/* *******************************************************************
 * Rocstar Simulation Suite                                          *
 * Copyright@2015, Illinois Rocstar LLC. All rights reserved.        *
 *                                                                   *
 * Illinois Rocstar LLC                                              *
 * Champaign, IL                                                     *
 * www.illinoisrocstar.com                                           *
 * sales@illinoisrocstar.com                                         *
 *                                                                   *
 * License: See LICENSE file in top level of distribution package or *
 * http://opensource.org/licenses/NCSA                               *
 *********************************************************************/
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,   *
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES   *
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND          *
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE CONTRIBUTORS OR           *
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER       *
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,   *
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 * USE OR OTHER DEALINGS WITH THE SOFTWARE.                          *
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// $Id: remesh.C,v 1.4 2008/12/06 08:45:28 mtcampbe Exp $

#include "roccom.h"
#include <iostream>
#include "../Rocsurf/test/IM_Reader.h"
#include "Remesher_Simmetrix.h"

COM_EXTERN_MODULE( Rocin);
COM_EXTERN_MODULE( Rocout);
COM_EXTERN_MODULE( Rocprop);

using namespace std;

int main(int argc, char *argv[]) {
  COM_init( &argc, &argv);

  if ( argc < 3) {
    std::cout << "Usage:\n\tTo run in serial: " << argv[0] 
              << " <surffile> <hdffile> " << endl;
    std::cout << "\n\tTo run in parallel: <mpirun-command> " << argv[0] 
              << " -com-mpi <Rocin control file> <hdfoutput-prefix> " << endl;
    exit(-1);
  }

  std::cout << "Reading surface mesh file \"" << argv[1] << '"' << endl;

  std::string fname(argv[1]), wname;
  string::size_type n0 = fname.find_last_of( "/");

  if ( n0 != std::string::npos) 
    fname = fname.substr( n0+1, fname.size());

  string::size_type ni;
  ni = fname.find_first_of( ".:-*[]?\\\"\'0123456789");
  COM_assertion_msg(ni, "File name must start with a letter");

  if ( ni == std::string::npos) {
    wname = fname;
  }
  else {
    while (fname[ni-1]=='_') --ni; // Remove the '_' at the end.
    wname = fname.substr( 0, ni);
  }

  std::cout << "Creating window \"" << wname << '"' << endl;

  // Read in IM/HDF format
  int err = IM_Reader().read_winmesh( argv[1], wname); 
  COM_assertion( err>=0);

  std::cout << "finishing up window initialization" << endl;
  COM_window_init_done( wname.c_str());

  std::cout << "loading Rocout" << endl;
  COM_LOAD_MODULE_STATIC_DYNAMIC(Rocout, "OUT");

  std::cout << "Performing remeshing" << endl;

  COM_LOAD_MODULE_STATIC_DYNAMIC(Rocprop, "PROP");
  // First, create an empty window
  COM_new_window("newmesh");
  COM_window_init_done("newmesh");

  int PROP_init = COM_get_function_handle( "PROP.initialize");
  int mesh_hdl = COM_get_attribute_handle((wname+".mesh").c_str());
  COM_call_function( PROP_init, &mesh_hdl);

  PROP::Remesher_Simmetrix rem;
  int PROP_set_remesher = COM_get_function_handle( "PROP.set_remesher");
  COM_call_function( PROP_set_remesher, &rem);

  int PROP_remesh = COM_get_function_handle( "PROP.remesh_serial");
  int newmesh_hdl = COM_get_attribute_handle("newmesh.mesh");

  double avel, fangle; 
  std::cout << "Enter average edge length (0 for current average)" 
            << std::flush;
  std::cin >> avel;
  std::cout << "Enter feature angle (in degrees. 0 to disable features)"
            << std::flush;
  std::cin >> fangle;

  COM_call_function( PROP_remesh, &newmesh_hdl, &avel, &fangle);

  std::cout << "Output window into file..." << endl;

  // Output pconn
  int OUT_set = COM_get_function_handle( "OUT.set_option");
  int OUT_write = COM_get_function_handle( "OUT.write_attribute");

  COM_call_function( OUT_set, "mode", "w");
  int all_hdl = COM_get_attribute_handle( "newmesh.all");
  COM_call_function( OUT_write, argv[2], &all_hdl, 
                     (char*)wname.c_str(), "000");
  
  COM_finalize();
}