bool Receiver::operator() (const Tractography::Streamline<>& in)
{
auto display_func = [&](){ return printf ("%8" PRIu64 " read, %8" PRIu64 " written", total_count, count); };
if (number && (count == number))
return false;
++total_count;
if (in.empty()) {
writer (in);
progress.update (display_func);
return true;
}
if (in[0].valid()) {
if (skip) {
--skip;
progress.update (display_func);
return true;
}
writer (in);
} else {
// Explicitly handle case where the streamline has been cropped into multiple components
// Worker class separates track segments using invalid points as delimiters
Tractography::Streamline<> temp;
temp.index = in.index;
temp.weight = in.weight;
for (Tractography::Streamline<>::const_iterator p = in.begin(); p != in.end(); ++p) {
if (p->valid()) {
temp.push_back (*p);
} else if (temp.size()) {
writer (temp);
temp.clear();
}
}
}
++count;
progress.update (display_func);
return (!(number && (count == number)));
}
