void testgen_lines2points_2d( string res_folder )
{
//HCoords c(1024, 512);
//cout << c.width << " " << c.height << " " << c.depth << endl;
c.depth = c.width/2;
for ( double num_clusters_f = 1; num_clusters_f < 10; num_clusters_f *= 1.2 )
{
Mat3b res(c.height, c.width, Vec3b(255, 255, 255) );
// generate clusters
int num_clusters = int(num_clusters_f);
vector< pair< Point3d, Point3d > > clusters; //кластер = 2 прямые
for (int i_cluster = 0; i_cluster < num_clusters; i_cluster++)
{
Point3d a1(rand() % c.width, rand() % c.height, c.depth);
Point3d a2(rand() % c.width, rand() % c.height, c.depth);
while (a1 == a2)
{
a2 = Point3d(rand() % c.width, rand() % c.height, c.depth);
}
Point3d b1(rand() % c.width, rand() % c.height, c.depth);
Point3d b2(rand() % c.width, rand() % c.height, c.depth);
while (b1 == b2)
{
b2 = Point3d(rand() % c.width, rand() % c.height, c.depth);
}
a1.x -= c.width / 2;
a1.y -= c.height / 2;
a2.x -= c.width / 2;
a2.y -= c.height / 2;
b1.x -= c.width / 2;
b1.y -= c.height / 2;
b2.x -= c.width / 2;
b2.y -= c.height / 2;
//cout << a1.x << " " << a1.y << " " << a1.z << endl;
//cout << a2.x << " " << a2.y << " " << a2.z << endl;
Point3d l1 = a1.cross(a2);
Point3d l2 = b1.cross(b2);
l1 = normalize(l1);
l2 = normalize(l2);
//cout << l1.x << " " << l1.y << " " << l1.z << endl;
pair<Point3d, Point3d> center = make_pair(l1, l2);
clusters.push_back(center);
draw_Line(res, l1, 0);
draw_Line(res, l2, 0);
}
////////// generate points around clusters
vector<Point3d> p;// все прямые в кластере
for (int i_cluster = 0; i_cluster < num_clusters; i_cluster++)
{
Scalar color = Scalar(rand() % 256, rand() % 256, rand() % 256) ;
for (int i1 = 0; i1 < countLines; ++i1)
{
double k = 1.0 * (rand() % 1000) / 1000.0 ;
Point3d c = clusters[i_cluster].first * k + clusters[i_cluster].second * (1.0 - k);
p.push_back(gen_point_on_sphere(c, sigma));// немного сдвинутая прямая
//p.push_back(c);
//cout << c.x << " " << c.y << " " << c.z << endl;
//cout << p.back().x << " " << p.back().y << " " << p.back().z << endl;
//cout << endl;
draw_Line(res, p.back(), color);
}
}
random_shuffle(p.begin(), p.end());
string test_name = res_folder + format( "line%.03d", num_clusters );
// cerr << res_folder << endl;
ofstream out((test_name + ".txt").c_str());
out << c.width << " " << c.height << endl;
out << num_clusters << endl;
out.precision(6);
for (int i=0; i<clusters.size(); i++)
{
//draw_Line(res, clusters[i].first);
//draw_Line(res, clusters[i].second);
out << fixed << clusters[i].first.x << "\t" << clusters[i].first.y << "\t" << clusters[i].first.z << "\t" << clusters[i].second.x << "\t" << clusters[i].second.y << "\t" << clusters[i].second.z << "\t" << sigma << endl;
}
out << p.size() << endl;
for (int i = 0; i < p.size(); ++i)
{
out << fixed << p[i].x << "\t" << p[i].y << "\t" << p[i].z << endl;
}
imwrite( test_name+".png", res );
}
}
static void BFA_Hover(Ui_Button *button)
{
draw_Line(button->rect.x - 1, button->rect.y + button->rect.h + 2, button->rect.x + button->rect.w + 1, button->rect.y + button->rect.h + 2, 1, 0, &colourBlack, ker_Screen());
return;
}
