void Calibration::xyWorldPoints()
{
int cols = find_chessboard.grid.width;
int npts = find_chessboard.grid.area();
vector<Point3f> world_loc;
for(int i = 0; i < npts; ++i) {
float x = (float) (i % cols);
float y = (float) (-i / cols);
world_loc.push_back(Point3f(x, y, 0));
}
views.world.assign(views.n, world_loc);
}
bool Calibration::loadWorldPoints(string filename)
{
vector<Point3f> world;
stringstream ss;
string line, sx, sy;
float x, y;
ifstream file;
file.open(filename.c_str());
if(!file.is_open()) return false;
while(!file.eof()) {
std::getline(file, line);
size_t pos = line.find(' ');
if(pos == string::npos) return false;
sx = line.substr(0, pos);
sy = line.substr(pos + 1, line.size() - pos - 1);
// read in x value
ss.str(sx);
ss.seekg(0);
ss >> x;
if(ss.fail()) return false;
// read in y value
ss.str(sy);
ss.seekg(0);
ss >> y;
if(ss.fail()) return false;
world.push_back(Point3f(x, y , 0));
}
file.close();
views.world.assign(views.n, world);
return world.size() == find_chessboard.grid.area();
}
