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add testsuit for triangular vector field

This commit is contained in:
Abdelkrim Mebarki 2006-02-28 16:47:05 +00:00
parent fe90baad79
commit 81f1c566e2
1 changed files with 69 additions and 42 deletions
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111
Stream_lines_2/test/Stream_lines_2/Stream_line.C
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@ -28,52 +28,79 @@ typedef Stl_rungk::Point_iterator_2 Point_iterator;
typedef Stl_rungk::Point_2 Point_2;
typedef Stl_rungk::Vector_2 Vector_2;
typedef CGAL::Triangular_field_2<K> TRField;
typedef CGAL::Runge_kutta_integrator_2<TRField> TRRunge_kutta_integrator;
typedef CGAL::Stream_lines_2<TRField, TRRunge_kutta_integrator> TRStl;
typedef TRStl::Stream_line_iterator_2 TRStl_iterator;
int main()
{
for (int i=1;i<=23;i++)
{
char file_name[80];
std::sprintf(file_name, "data/%d.vec.cin", i);
std::ifstream infile(file_name, std::ios::in);
double iXSize, iYSize;
unsigned int x_samples, y_samples;
iXSize = iYSize = 512;
infile >> x_samples;
infile >> y_samples;
Field regular_grid_2(x_samples, y_samples, iXSize, iYSize);
/*fill the grid with the appropriate values*/
for (unsigned int i=0;i<x_samples;i++)
for (unsigned int j=0;j<y_samples;j++)
{
char file_name[80];
std::sprintf(file_name, "data/%d.vec.cin", i);
std::ifstream infile(file_name, std::ios::in);
double iXSize, iYSize;
unsigned int x_samples, y_samples;
iXSize = iYSize = 512;
infile >> x_samples;
infile >> y_samples;
Field regular_grid_2(x_samples, y_samples, iXSize, iYSize);
/*fill the grid with the appropriate values*/
for (unsigned int i=0;i<x_samples;i++)
for (unsigned int j=0;j<y_samples;j++)
{
double xval, yval;
infile >> xval;
infile >> yval;
regular_grid_2.set_field(i, j, Vector_2(xval, yval));
}
infile.close();
std::cout << "processing... (" << file_name << ")\n";
/* the placement of streamlines using Runge-Kutta integrator */
std::cout << "using Runge-Kutta integrator\n";
Runge_kutta_integrator runge_kutta_integrator;
double dSep = 3.5;
double dRat = 1.6;
Stl_rungk Stream_lines_rungk(regular_grid_2, runge_kutta_integrator,dSep,dRat,1);
std::cout << "placement generated\n";
std::cout << "updating parameters...\n";
Stream_lines_rungk.set_separating_distance(12.0);
Stream_lines_rungk.set_saturation_ratio(1.7);
Stream_lines_rungk.update();
std::cout << "placement generated\n";
std::ofstream fw("result.stl",std::ios::out);
Stream_lines_rungk.print_stream_lines(fw);
fw.close();
/* the placement of streamlines using Euler integrator */
std::cout << "using Runge-Kutta integrator\n";
Euler_integrator euler_integrator;
dSep = 3.5;
dRat = 1.6;
Stl_euler Stream_lines(regular_grid_2, euler_integrator,dSep,dRat,1);
std::cout << "placement generated\n";
double xval, yval;
infile >> xval;
infile >> yval;
regular_grid_2.set_field(i, j, Vector_2(xval, yval));
}
infile.close();
std::cout << "processing... (" << file_name << ")\n";
/* the placement of streamlines using Runge-Kutta integrator */
std::cout << "using Runge-Kutta integrator\n";
Runge_kutta_integrator runge_kutta_integrator;
double dSep = 3.5;
double dRat = 1.6;
Stl_rungk Stream_lines_rungk(regular_grid_2, runge_kutta_integrator,dSep,dRat,1);
std::cout << "placement generated\n";
std::cout << "updating parameters...\n";
Stream_lines_rungk.set_separating_distance(12.0);
Stream_lines_rungk.set_saturation_ratio(1.7);
Stream_lines_rungk.update();
std::cout << "placement generated\n";
std::ofstream fw("result.stl",std::ios::out);
Stream_lines_rungk.print_stream_lines(fw);
fw.close();
/* the placement of streamlines using Euler integrator */
std::cout << "using Euler integrator\n";
Euler_integrator euler_integrator;
dSep = 3.5;
dRat = 1.6;
Stl_euler Stream_lines(regular_grid_2, euler_integrator,dSep,dRat,1);
std::cout << "placement generated\n";
}
std::cout << "placement of streamlines on irregular field\n";
TRRunge_kutta_integrator trrunge_kutta_integrator(1);
std::ifstream inp("data/datap.tri.cin");
std::ifstream inv("data/datav.tri.cin");
std::istream_iterator<Point_2> beginp(inp);
std::istream_iterator<Vector_2> beginv(inv);
std::istream_iterator<Point_2> endp;
TRField triangular_field(beginp, endp, beginv);
/* the placement of streamlines */
std::cout << "processing...\n";
double dSep = 38.0;
double dRat = 1.6;
TRStl TRStream_lines(triangular_field, trrunge_kutta_integrator,dSep,dRat);
std::cout << "placement generated\n";
std::cout << "updating parameters...\n";
TRStream_lines.set_separating_distance(45.0);
TRStream_lines.set_saturation_ratio(1.7);
TRStream_lines.update();
std::cout << "placement generated\n";
std::cout << "success\n";
}