std::vector<float>
Accessibility::findNearestPOIs(int srcnode, float maxradius,
unsigned number, unsigned cat, int gno) {
assert(cat >= 0 && cat < POI_MAXVAL);
DistanceMap distances = ga[gno]->NearestPOI(cat,srcnode,maxradius,
number,
omp_get_thread_num());
std::vector<float> ret;
accessibility_vars_t &vars = accessibilityVarsForPOIs[cat];
/* need to account for the possibility of having
multiple locations at single node */
for (DistanceMap::const_iterator itDist = distances.begin();
itDist != distances.end(); ++itDist) {
int nodeid = itDist->first;
double distance = itDist->second;
for(int i = 0 ; i < vars[nodeid].size() ; i++) {
if(vars[nodeid][i] == 0) continue;
ret.push_back((float)distance);
}
}
std::sort(ret.begin(),ret.end());
return ret;
}
/** Print a distance map. */
static void printDistanceMap(ostream& out, const Graph& g,
const ContigNode& u, const ContigPath& path)
{
typedef map<ContigNode, int> DistanceMap;
DistanceMap distanceMap = makeDistanceMap(g, u, path);
for (DistanceMap::const_iterator it = distanceMap.begin();
it != distanceMap.end(); ++it)
out << get(edge_name, g, make_pair(u, it->first))
<< " [d=" << it->second << "]\n";
}
