test mbground, a test for the FBEngine class, which is providing iGeom like methods to a MOAB db More...

#include "moab/Core.hpp"
#include <iostream>
#include <fstream>
#include <set>
#include <algorithm>
#include <vector>
#include <iterator>
#include <iomanip>
#include <cassert>
#include <cstring>
#include <cmath>
#include "moab/FBEngine.hpp"
#include "moab/GeomTopoTool.hpp"
#include "TestUtil.hpp"

Include dependency graph for mbground_test.cpp:

Go to the source code of this file.

Functions
ErrorCode	split_test_across ()
ErrorCode	verify_split ()
void	handle_error_code (ErrorCode rv, int &number_failed, int &number_successful)
int	main (int argc, char *argv[])
Variables
std::string	filename
std::string	filename_out
std::string	polyline_file_name
double	min_dot = 0.8
bool	keep_output
int	number_tests_successful = 0
int	number_tests_failed = 0

Detailed Description

test mbground, a test for the FBEngine class, which is providing iGeom like methods to a MOAB db

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

Definition in file mbground_test.cpp.

Function Documentation

void handle_error_code	(	ErrorCode	rv,
		int &	number_failed,
		int &	number_successful
	)

Definition at line 44 of file mbground_test.cpp.

References MB_SUCCESS.

{
    if( rv == MB_SUCCESS )
    {
        std::cout << "Success";
        number_successful++;
    }
    else
    {
        std::cout << "Failure";
        number_failed++;
    }
}

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

Definition at line 58 of file mbground_test.cpp.

References ErrorCode, filename, filename_out, handle_error_code(), moab::FBEngine::Init(), keep_output, moab::Interface::load_file(), mb, MB_CHK_SET_ERR, mbcore, min_dot, number_tests_failed, number_tests_successful, polyline_file_name, split_test_across(), and verify_split().

{
    filename           = TestDir + "unittest/PB.h5m";
    polyline_file_name = TestDir + "unittest/polyline.txt";
    filename_out       = "PB_ground.h5m";
    min_dot            = 0.8;

    keep_output = false;

    if( argc == 1 )
    {
        std::cout << "Using default input " << filename << " " << polyline_file_name << " " << min_dot << " "
                  << filename_out << std::endl;
        std::cout << "    default output file: " << filename_out << " will be deleted \n";
    }
    else if( argc == 5 )
    {
        filename           = argv[1];
        polyline_file_name = argv[2];
        min_dot            = atof( argv[3] );
        filename_out       = argv[4];
        keep_output        = true;
    }
    else
    {
        std::cerr << "Usage: " << argv[0] << " [geom_filename] [polygon_file] [min_dot] [output_file]" << std::endl;
        return 1;
    }

    Core mbcore;
    Interface* mb = &mbcore;

    ErrorCode rval = mb->load_file( filename.c_str() );MB_CHK_SET_ERR( rval, "failed to load input file" );

    FBEngine* pFacet = new FBEngine( mb, NULL, true );  // smooth facetting, no OBB tree passed

    if( !pFacet ) return 1;  // error

    // should the init be part of constructor or not?
    // this is where the obb tree is constructed, and smooth faceting initialized, too.
    rval = pFacet->Init();MB_CHK_SET_ERR( rval, "failed to initialize smoothing" );

    delete pFacet;
    pFacet = NULL;

    // split_test_across
    std::cout << " split across test: ";
    rval = split_test_across();
    handle_error_code( rval, number_tests_failed, number_tests_successful );
    std::cout << "\n";

    std::cout << " verify split ";
    rval = verify_split();
    handle_error_code( rval, number_tests_failed, number_tests_successful );
    std::cout << "\n";
    // when we are done, remove modified file if we want to
    if( !keep_output )
    {
        remove( filename_out.c_str() );
    }
    return number_tests_failed;
}

ErrorCode split_test_across ( )

Definition at line 124 of file mbground_test.cpp.

References moab::FBEngine::delete_smooth_tags(), ErrorCode, filename, filename_out, moab::FBEngine::getEntities(), moab::FBEngine::getRootSet(), moab::FBEngine::Init(), moab::Interface::load_file(), mb, MB_CHK_ERR, MB_CHK_SET_ERR, mbcore, nr, polyline_file_name, root_set, moab::Range::size(), moab::FBEngine::split_surface_with_direction(), and moab::Interface::write_file().

Referenced by main().

{
    Core mbcore;
    Interface* mb = &mbcore;

    ErrorCode rval = mb->load_file( filename.c_str() );MB_CHK_SET_ERR( rval, "failed to load already modified file" );

    FBEngine* pFacet = new FBEngine( mb, NULL, true );

    rval = pFacet->Init();MB_CHK_SET_ERR( rval, "failed to initialize smoothing" );

    EntityHandle root_set;
    rval = pFacet->getRootSet( &root_set );MB_CHK_SET_ERR( rval, "ERROR : getRootSet failed!" );
    int top = 2;  //  iBase_FACE;

    Range faces;
    rval = pFacet->getEntities( root_set, top, faces );MB_CHK_SET_ERR( rval, "Failed to get faces in split_test." );

    if( faces.size() != 1 )
    {
        std::cout << "num faces model:" << faces.size() << "\n";
        return MB_FAILURE;  //
    }
    // check only the second face

    EntityHandle second_face = faces[0];
    // use the polyPB.txt file to get the trimming polygon
    ;
    // read the file with the polygon user data

    std::ifstream datafile( polyline_file_name.c_str(), std::ifstream::in );
    if( !datafile )
    {
        std::cout << "can't read file\n";
        return MB_FAILURE;
    }
    //
    char temp[100];
    double direction[3];  // normalized
    double gridSize;
    datafile.getline( temp, 100 );  // first line

    // get direction and mesh size along polygon segments, from file
    sscanf( temp, " %lf %lf %lf %lf ", direction, direction + 1, direction + 2, &gridSize );
    // NORMALIZE(direction);// just to be sure

    std::vector< double > xyz;
    while( !datafile.eof() )
    {
        datafile.getline( temp, 100 );
        // int id = 0;
        double x, y, z;
        int nr = sscanf( temp, "%lf %lf %lf", &x, &y, &z );
        if( nr == 3 )
        {
            xyz.push_back( x );
            xyz.push_back( y );
            xyz.push_back( z );
        }
    }
    int sizePolygon = (int)xyz.size() / 3;
    if( sizePolygon < 2 )
    {
        std::cerr << " Not enough points in the polygon" << std::endl;
        return MB_FAILURE;
    }

    EntityHandle newFace;  // this test is with a "grounding" line
    // the second face should be the one that we want for test
    rval = pFacet->split_surface_with_direction( second_face, xyz, direction, /*closed*/ 0,
                                                 /*min_dot */ 0.8, newFace );MB_CHK_ERR( rval );

    // save a new database, with 3 faces, eventually
    pFacet->delete_smooth_tags();
    delete pFacet;
    pFacet = NULL;  // try not to write the obb tree

    rval = mb->write_file( filename_out.c_str() );MB_CHK_SET_ERR( rval, "Writing mesh file failed\n" );

    return rval;
}

ErrorCode verify_split ( )

Definition at line 206 of file mbground_test.cpp.

References moab::GeomTopoTool::check_model(), ErrorCode, filename_out, moab::Interface::load_file(), mb, MB_CHK_SET_ERR, and MB_SUCCESS.

Referenced by main().

{
    Interface* mb = new Core();

    ErrorCode rval = mb->load_file( filename_out.c_str() );MB_CHK_SET_ERR( rval, "Loading mesh file failed\n" );

    moab::GeomTopoTool gTopoTool( mb, true, 0, true, false );

    if( !gTopoTool.check_model() ) return MB_FAILURE;

    delete mb;
    return MB_SUCCESS;
}