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Framework::GetNearbyFeatureStreets().

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This commit is contained in:
Alex Zolotarev 2016-01-13 11:01:13 +03:00 • committed by Sergey Yershov
parent e8619063bc
commit b8f3547282
2 changed files with 27 additions and 0 deletions
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23
map/address_finder.cpp
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@ -487,6 +487,29 @@ search::AddressInfo Framework::GetFeatureAddressInfo(FeatureType const & ft) con
return info;
}
vector<string> Framework::GetNearbyFeatureStreets(FeatureType const & ft) const
{
search::ReverseGeocoder const coder(m_model.GetIndex());
// Need to filter out duplicate street names.
auto const streets = coder.GetNearbyFeatureStreets(ft);
// Reasonable number of different nearby street names to display in UI.
size_t const kMinNumberOfNearbyStreets = 5;
vector<string> results;
// Feature's street from OSM data, if exists, always goes first.
if (streets.second < streets.first.size())
results.push_back(streets.first[streets.second].m_name);
for (auto const & street : streets.first)
{
auto const e = results.end();
if (e == find(results.begin(), e, street.m_name))
{
results.push_back(street.m_name);
if (results.size() >= kMinNumberOfNearbyStreets)
break;
}
}
return results;
}
/*
void Framework::GetLocality(m2::PointD const & pt, search::AddressInfo & info) const
{

4
map/framework.hpp
View file

@ -479,6 +479,10 @@ public:
/// Please use this method for debug purposes only. It always tries to find closest street.
search::AddressInfo GetMercatorAddressInfo(m2::PointD const & mercator) const;
search::AddressInfo GetFeatureAddressInfo(FeatureType const & ft) const;
/// If feature does not have explicit street in OSM data, first value can be a closest named street.
/// If it does have explicit street name in OSM, it goes first in the returned vector.
/// @returns empty vector if no named streets were found around feature.
vector<string> GetNearbyFeatureStreets(FeatureType const & ft) const;
/// Get feature at given point even if it's invisible on the screen.
/// TODO(AlexZ): Refactor out other similar methods.
/// @returns nullptr if no feature was found at the given mercator point.