quads_to_tris_driver.cpp

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    1 #include <iostream>
    2 #include <cassert>
    3 #include "moab/Core.hpp"
    4 #include "quads_to_tris.hpp"
    5  
    6 using namespace moab;
    7  
    8 #define MBI mb_instance()
    9 static Interface* mb_instance();
   10  
   11 // Read a DAGMC-style file of quads and convert it to tris
   12 // Input argument is the input filename.
   13 // Output file will be called input_filename_tris.h5m.
   14 int main( int argc, char** argv )
   15 {
   16  
   17     if( 2 > argc )
   18     {
   19         std::cout << "Need name of input file with quads." << std::endl;
   20         return 0;
   21     }
   22  
   23     // load file from input argument
   24     ErrorCode result;
   25     std::string filename = argv[1];
   26     result               = MBI->load_file( filename.c_str() );
   27     if( MB_SUCCESS != result )
   28     {
   29         std::cout << "Error reading file." << std::endl;
   30         return 1;
   31     }
   32  
   33     result = quads_to_tris( MBI, 0 );
   34     if( MB_SUCCESS != result )
   35     {
   36         std::cout << "Error converting to tris." << std::endl;
   37         return 1;
   38     }
   39  
   40     // Write the file that has been converted from quads to tris.
   41     // Cut off the .h5m
   42     int len1 = filename.length();
   43     filename.erase( len1 - 4 );
   44     std::string filename_new = filename + "_tris.h5m";
   45     result                   = MBI->write_mesh( filename_new.c_str() );
   46     assert( MB_SUCCESS == result );
   47  
   48     return 0;
   49 }
   50 Interface* mb_instance()
   51 {
   52     static Core inst;
   53     return &inst;
   54 }