obj_io_prb.cpp

# include <cstdlib>
# include <iostream>
# include <iomanip>
# include <fstream>

using namespace std;

# include "obj_io.hpp"

int main ( int argc, char *argv[] );
void test01 ( string filename );
void test02 ( string filename );
void test03 ( string filename );
void test04 ( string filename );

//****************************************************************************80

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

//****************************************************************************80
//
//  Purpose:
//
//    MAIN is the main program for OBJ_IO_PRB.
//
//  Discussion:
//
//    OBJ_IO_PRB tests the OBJ_IO library.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license.
//
//  Modified:
//
//    25 January 2011
//
//  Author:
//
//    John Burkardt
//
{
  string filename;

  timestamp ( );
  cout << "\n";
  cout << "OBJ_IO_PRB:\n";
  cout << "  C++ version\n";
  cout << "  Test the OBJ_IO library.\n";

  filename = "cube.obj";
  test01 ( filename );

  filename = "cube.obj";
//test02 ( filename );

  filename = "cube_normals.obj";
  test03  ( filename );

  filename = "cube_no_normals.obj";
//test04 ( filename );
//
//  Terminate.
//
  cout << "\n";
  cout << "OBJ_IO_PRB:\n";
  cout << "  Normal end of execution.\n";
  cout << "\n";
  timestamp ( );

  return 0;
}
//****************************************************************************80

void test01 ( string filename )

//****************************************************************************80
//
//  Purpose:
//
//    TEST01 tests OBJ_SIZE.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license.
//
//  Modified:
//
//    31 March 2011
//
//  Author:
//
//    John Burkardt
//
{
  int face_num;
  int node_num;
  int normal_num;
  int order_max;

  cout << "\n";
  cout << "TEST01\n";
  cout << "  OBJ_SIZE determines the size of various objects\n";
  cout << "  in an OBJ file.\n";

  obj_size ( filename, &node_num, &face_num, &normal_num, &order_max );

  obj_size_print ( filename, node_num, face_num, normal_num, order_max );

  return;
}
//****************************************************************************80

void test02 ( string input_file_name )

//****************************************************************************80
//
//  Purpose:
//
//    TEST02 tests OBJ_READ.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license.
//
//  Modified:
//
//    31 March 2011
//
//  Author:
//
//    John Burkardt
//
{
  int *face_node;
  int face_num;
  int *face_order;
  int node_num;
  double *node_xyz;
  double *normal_vector;
  int normal_num;
  int order_max;
  int *vertex_normal;

  cout << "\n";
  cout << "TEST02\n";
  cout << "  OBJ_READ reads an object in an OBJ file.\n";

  obj_size ( input_file_name, &node_num, &face_num, &normal_num, &order_max );

  face_node = new int[order_max*face_num];
  face_order = new int[face_num];
  node_xyz = new double[3*node_num];
  normal_vector = new double[3*normal_num];
  vertex_normal = new int[order_max*face_num];

//obj_read ( input_file_name, node_num, face_num, normal_num, 
//  order_max, node_xyz, face_order, face_node, normal_vector, vertex_normal );

  obj_face_node_print ( face_num, order_max, face_order, face_node );
  obj_normal_vector_print ( normal_num, normal_vector );
  obj_node_xyz_print ( node_num, node_xyz );

  delete [] face_node;
  delete [] face_order;
  delete [] node_xyz;
  delete [] normal_vector;
  delete [] vertex_normal;

  return;
}
//****************************************************************************80

void test03 ( string output_filename )

//****************************************************************************80
//
//  Purpose:
//
//    TEST03 tests OBJ_WRITE.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license.
//
//  Modified:
//
//    26 January 2011
//
//  Author:
//
//    John Burkardt
//
{
# define FACE_NUM 12
# define NODE_NUM 8
# define NORMAL_NUM 6
# define ORDER_MAX 3

  int face_node[ORDER_MAX*FACE_NUM] = {
    1, 3, 2,
    2, 3, 4,
    1, 6, 5,
    1, 2, 6,
    3, 7, 4,
    4, 7, 8,
    5, 6, 8,
    5, 8, 7,
    1, 5, 7,
    1, 7, 3,
    2, 4, 6,
    6, 4, 8 };
  int face_num = FACE_NUM;
  int face_order[FACE_NUM] = {
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
  int node_num = NODE_NUM;
  double node_xyz[3*NODE_NUM] = {
    0.0, 0.0, 0.0,
    1.0, 0.0, 0.0,
    0.0, 1.0, 0.0,
    1.0, 1.0, 0.0,
    0.0, 0.0, 1.0,
    1.0, 0.0, 1.0,
    0.0, 1.0, 1.0,
    1.0, 1.0, 1.0 };
  int normal_num = NORMAL_NUM;
  double normal_vector[3*NORMAL_NUM] = {
    0.0,  0.0,  1.0,
    0.0,  0.0, -1.0,
    0.0,  1.0,  0.0,
    0.0, -1.0,  0.0,
    1.0,  0.0,  0.0,
   -1.0,  0.0,  0.0 };
  int order_max = ORDER_MAX;
  int vertex_normal[ORDER_MAX*FACE_NUM] = {
    2, 2, 2,
    2, 2, 2,
    4, 4, 4,
    4, 4, 4,
    3, 3, 3,
    3, 3, 3,
    1, 1, 1,
    1, 1, 1,
    6, 6, 6,
    6, 6, 6,
    5, 5, 5,
    5, 5, 5 };

  cout << "\n";
  cout << "TEST03\n";
  cout << "  OBJ_WRITE writes an ASCII OBJ file.\n";

  obj_write ( output_filename, node_num, face_num, normal_num,
    order_max, node_xyz, face_order, face_node, normal_vector, vertex_normal );

  cout << "\n";
  cout << "  Graphics data was written to the OBJ file \""
       << output_filename << "\".\n";

  return;
# undef FACE_NUM
# undef NODE_NUM
# undef NORMAL_NUM
# undef ORDER_MAX
}