void CHistogramDlg::set_histogram(std::vector<int> &h)
{
if( h.size() != 256 )
throw rss::Exception("Histogram size mismatch.");
// a private copy of histogram
hist_value_.resize( h.size(), 0 );
for( size_t i = 0; i < h.size(); i++ ) {
hist_value_[i] = h[i];
}
compute_attributes();
}
void frontier_detector::compute_frontiers(const point_xy_t &seed, algo_t algo ){//{{{
// try running the algo
switch(algo) {
case WFD : // Wavefront Frontier Detection
compute_frontiers_WFD( seed ) ;
break;
case FFD : // Fast Frontier Detection
throw std::runtime_error("Fast Frontier Detection is not imlemented yet");
break;
default : // Unknown algorithm
throw std::runtime_error("Unknown algorithm for frontier detection");
break;
}
// compute the frontiers attributes
compute_attributes( seed );
// sort the frontiers attributes by the size criteria
std::sort( attributes.begin(), attributes.end(), std::greater<f_attributes>() ); // descending order
}//}}}