compareFiles.cpp File Reference

#include "moab/ProgOptions.hpp"
#include "moab/Core.hpp"
#include <cmath>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <fstream>

Include dependency graph for compareFiles.cpp:

Go to the source code of this file.

Functions
int	main (int argc, char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 32 of file compareFiles.cpp.

{
 
 ProgOptions opts;
 
 std::string inputfile1( "fTargetIntx.h5m" ), inputfile2( "ocn_proj.h5m" ), outfile( "out.h5m" );
 
 std::string tag_name( "a2oTAG_proj" );
 
 opts.addOpt< std::string >( "input1,i", "input mesh filename 1", &inputfile1 );
 opts.addOpt< std::string >( "input2,j", "input mesh filename 2", &inputfile2 );
 opts.addOpt< std::string >( "tagname,n", "tag to compare", &tag_name );
 opts.addOpt< std::string >( "outfile,o", "output file", &outfile );
 
 opts.parseCommandLine( argc, argv );
 
 ErrorCode rval;
 Core* mb = new Core();
 
 rval = mb->load_file( inputfile1.c_str() );MB_CHK_SET_ERR( rval, "can't load input file 1" );
 
 Core* mb2 = new Core();
 rval = mb2->load_file( inputfile2.c_str() );MB_CHK_SET_ERR( rval, "can't load input file 2" );
 
 std::cout << " opened " << inputfile1 << " and " << inputfile2 << " with initial h5m data.\n";
 // open the netcdf file, and see if it has that variable we are looking for
 
 Range nodes;
 rval = mb->get_entities_by_dimension( 0, 0, nodes );MB_CHK_SET_ERR( rval, "can't get nodes" );
 
 Range edges;
 rval = mb->get_entities_by_dimension( 0, 1, edges );MB_CHK_SET_ERR( rval, "can't get edges" );
 
 Range cells;
 rval = mb->get_entities_by_dimension( 0, 2, cells );MB_CHK_SET_ERR( rval, "can't get cells" );
 
 std::cout << inputfile1 << " has " << nodes.size() << " vertices " << edges.size() << " edges " << cells.size()
 << " cells\n";
 
 // construct maps between global id and handles
 std::map< int, EntityHandle > vGidHandle;
 std::map< int, EntityHandle > eGidHandle;
 std::map< int, EntityHandle > cGidHandle;
 std::vector< int > gids;
 Tag gid;
 rval = mb->tag_get_handle( "GLOBAL_ID", gid );MB_CHK_SET_ERR( rval, "can't get global id tag" );
 gids.resize( nodes.size() );
 rval = mb->tag_get_data( gid, nodes, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on vertices" );
 int i = 0;
 for( Range::iterator vit = nodes.begin(); vit != nodes.end(); vit++ )
 {
 vGidHandle[gids[i++]] = *vit;
 }
 
 gids.resize( edges.size() );
 rval = mb->tag_get_data( gid, edges, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on edges" );
 i = 0;
 for( Range::iterator vit = edges.begin(); vit != edges.end(); vit++ )
 {
 eGidHandle[gids[i++]] = *vit;
 }
 
 gids.resize( cells.size() );
 rval = mb->tag_get_data( gid, cells, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on cells" );
 i = 0;
 for( Range::iterator vit = cells.begin(); vit != cells.end(); vit++ )
 {
 cGidHandle[gids[i++]] = *vit;
 }
 
 Range nodes2;
 rval = mb2->get_entities_by_dimension( 0, 0, nodes2 );MB_CHK_SET_ERR( rval, "can't get nodes2" );
 
 Range edges2;
 rval = mb2->get_entities_by_dimension( 0, 1, edges2 );MB_CHK_SET_ERR( rval, "can't get edges2" );
 
 Range cells2;
 rval = mb2->get_entities_by_dimension( 0, 2, cells2 );MB_CHK_SET_ERR( rval, "can't get cells2" );
 
 std::cout << inputfile2 << " has " << nodes2.size() << " vertices " << edges2.size() << " edges " << cells2.size()
 << " cells\n";
 
 // construct maps between global id and handles
 std::map< int, EntityHandle > vGidHandle2;
 std::map< int, EntityHandle > eGidHandle2;
 std::map< int, EntityHandle > cGidHandle2;
 
 Tag gid2;
 rval = mb2->tag_get_handle( "GLOBAL_ID", gid2 );MB_CHK_SET_ERR( rval, "can't get global id tag2" );
 gids.resize( nodes2.size() );
 rval = mb2->tag_get_data( gid2, nodes2, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on vertices2" );
 
 i = 0;
 for( Range::iterator vit = nodes2.begin(); vit != nodes2.end(); vit++ )
 {
 vGidHandle2[gids[i++]] = *vit;
 }
 
 gids.resize( edges2.size() );
 rval = mb2->tag_get_data( gid2, edges2, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on edges2" );
 i = 0;
 for( Range::iterator vit = edges2.begin(); vit != edges2.end(); vit++ )
 {
 eGidHandle2[gids[i++]] = *vit;
 }
 
 gids.resize( cells2.size() );
 rval = mb2->tag_get_data( gid2, cells2, &gids[0] );MB_CHK_SET_ERR( rval, "can't get global id on cells2" );
 i = 0;
 for( Range::iterator vit = cells2.begin(); vit != cells2.end(); vit++ )
 {
 cGidHandle2[gids[i++]] = *vit;
 }
 
 Tag tag;
 rval = mb->tag_get_handle( tag_name.c_str(), tag );MB_CHK_SET_ERR( rval, "can't get tag on file 1" );
 
 int len_tag = 0;
 rval = mb->tag_get_length( tag, len_tag );MB_CHK_SET_ERR( rval, "can't get tag length on tag" );
 std::cout << "length tag : " << len_tag << "\n";
 
 if( cells.size() != cells2.size() )
 {
 std::cout << " meshes are different between 2 files, cells.size do not agree \n";
 exit( 1 );
 }
 std::vector< double > vals;
 vals.resize( len_tag * cells.size() );
 rval = mb->tag_get_data( tag, cells, &vals[0] );MB_CHK_SET_ERR( rval, "can't get tag data" );
 
 Tag tag2;
 rval = mb2->tag_get_handle( tag_name.c_str(), tag2 );MB_CHK_SET_ERR( rval, "can't get tag on file 2" );
 std::vector< double > vals2;
 vals2.resize( len_tag * cells2.size() );
 rval = mb2->tag_get_data( tag2, cells2, &vals2[0] );MB_CHK_SET_ERR( rval, "can't get tag data on file 2" );
 
 rval = mb->delete_entities( edges );MB_CHK_SET_ERR( rval, "can't delete edges from file 1" );
 
 std::string new_tag_name = tag_name + "_2";
 Tag newTag, newTagDiff;
 double def_val = -1000;
 rval = mb->tag_get_handle( new_tag_name.c_str(), 1, MB_TYPE_DOUBLE, newTag, MB_TAG_CREAT | MB_TAG_DENSE, &def_val );MB_CHK_SET_ERR( rval, "can't define new tag" );
 
 std::string tag_name_diff = tag_name + "_diff";
 rval = mb->tag_get_handle( tag_name_diff.c_str(), 1, MB_TYPE_DOUBLE, newTagDiff, MB_TAG_CREAT | MB_TAG_DENSE,
 &def_val );MB_CHK_SET_ERR( rval, "can't define new tag diff" );
 i = 0;
 for( Range::iterator c2it = cells2.begin(); c2it != cells2.end(); c2it++ )
 {
 double val2 = vals2[i];
 int id2 = gids[i];
 i++;
 EntityHandle c1 = cGidHandle[id2];
 
 rval = mb->tag_set_data( newTag, &c1, 1, &val2 );MB_CHK_SET_ERR( rval, "can't set new tag" );
 int indx = cells.index( c1 );
 double diff = vals[indx] - val2;
 rval = mb->tag_set_data( newTagDiff, &c1, 1, &diff );MB_CHK_SET_ERR( rval, "can't set new tag" );
 }
 
 rval = mb->write_file( outfile.c_str() );MB_CHK_SET_ERR( rval, "can't write file" );
 std::cout << " wrote file " << outfile << "\n";
 return 0;
}

References ProgOptions::addOpt(), moab::Range::begin(), moab::Core::delete_entities(), moab::Range::end(), ErrorCode, moab::Core::get_entities_by_dimension(), moab::Range::index(), moab::Core::load_file(), mb, MB_CHK_SET_ERR, MB_TAG_CREAT, MB_TAG_DENSE, MB_TYPE_DOUBLE, ProgOptions::parseCommandLine(), moab::Range::size(), moab::Core::tag_get_data(), moab::Core::tag_get_handle(), moab::Core::tag_get_length(), moab::Core::tag_set_data(), and moab::Core::write_file().