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#include "feature_utils.hpp"
#include "feature_visibility.hpp"
#include "classificator.hpp"
#include "feature_data.hpp"
#include "scales.hpp"
#include "../geometry/point2d.hpp"
#include "../base/base.hpp"
#include "../std/vector.hpp"
namespace feature
{
namespace impl
{
class FeatureEstimator
{
template <size_t N>
static bool IsEqual(uint32_t t, uint32_t const (&arr)[N])
{
for (size_t i = 0; i < N; ++i)
if (arr[i] == t)
return true;
return false;
}
public:
FeatureEstimator()
{
m_TypeContinent = GetType("place", "continent");
m_TypeCountry = GetType("place", "country");
m_TypeState = GetType("place", "state");
m_TypeCounty[0] = GetType("place", "region");
m_TypeCounty[1] = GetType("place", "county");
m_TypeCity = GetType("place", "city");
m_TypeCityCapital = GetType("place", "city", "capital");
m_TypeTown = GetType("place", "town");
m_TypeVillage[0] = GetType("place", "village");
m_TypeVillage[1] = GetType("place", "suburb");
m_TypeSmallVillage[0] = GetType("place", "hamlet");
m_TypeSmallVillage[1] = GetType("place", "locality");
m_TypeSmallVillage[2] = GetType("place", "farm");
}
void CorrectScaleForVisibility(TypesHolder const & types, int & scale) const
{
pair<int, int> const scaleR = GetDrawableScaleRangeForRules(types, RULE_TEXT);
ASSERT_LESS_OR_EQUAL ( scaleR.first, scaleR.second, () );
// Result types can be without visible texts (matched by category).
if (scaleR.first != -1)
{
if (scale < scaleR.first)
scale = scaleR.first;
else if (scale > scaleR.second)
scale = scaleR.second;
}
}
m2::RectD CorrectRectForScales(TypesHolder const & types, m2::RectD const & rect) const
{
int const scale = scales::GetScaleLevel(rect);
int scaleNew = scale;
CorrectScaleForVisibility(types, scaleNew);
return ((scale != scaleNew) ? scales::GetRectForLevel(scaleNew, rect.Center(), 1.0) : rect);
}
m2::RectD GetViewport(TypesHolder const & types, m2::RectD const & limitRect) const
{
if (types.GetGeoType() != GEOM_POINT)
return CorrectRectForScales(types, limitRect);
int const upperScale = scales::GetUpperScale();
int scale = upperScale;
for (size_t i = 0; i < types.Size(); ++i)
scale = min(scale, GetScaleForType(types[i]));
CorrectScaleForVisibility(types, scale);
return scales::GetRectForLevel(scale, limitRect.Center(), 1.0);
}
uint8_t GetSearchRank(TypesHolder const & types, m2::PointD const & pt, uint32_t population) const
{
for (size_t i = 0; i < types.Size(); ++i)
{
if (IsEqual(types[i], m_TypeSmallVillage))
population = max(population, static_cast<uint32_t>(100));
else if (IsEqual(types[i], m_TypeVillage))
population = max(population, static_cast<uint32_t>(1000));
else if (types[i] == m_TypeTown || IsEqual(types[i], m_TypeCounty))
population = max(population, static_cast<uint32_t>(10000));
else if (types[i] == m_TypeState)
{
m2::RectD usaRects[] = {
// Continental part of USA
m2::RectD(-125.73195962769162293, 25.168771674082393019,
-66.925073086214325713, 56.956377399113392812),
// Alaska
m2::RectD(-151.0, 63.0, -148.0, 66.0),
// Hawaii
m2::RectD(-179.3665041396082529, 17.740790096801504205,
-153.92127500280855656, 31.043358939740215874),
// Canada
m2::RectD(-141.00315086636985029, 45.927730040557435132,
-48.663019303849921471, 162.92387487639103938)
};
bool isUSA = false;
for (size_t i = 0; i < ARRAY_SIZE(usaRects); ++i)
if (usaRects[i].IsPointInside(pt))
{
isUSA = true;
break;
}
if (isUSA)
{
//LOG(LINFO, ("USA state population = ", population));
// Get rank equal to city for USA's states.
population = max(population, static_cast<uint32_t>(500000));
}
else
{
//LOG(LINFO, ("Other state population = ", population));
// Reduce rank for other states.
population = population / 10;
population = max(population, static_cast<uint32_t>(10000));
population = min(population, static_cast<uint32_t>(500000));
}
}
else if (types[i] == m_TypeCity)
population = max(population, static_cast<uint32_t>(500000));
else if (types[i] == m_TypeCityCapital)
population = max(population, static_cast<uint32_t>(1000000));
else if (types[i] == m_TypeCountry)
population = max(population, static_cast<uint32_t>(2000000));
else if (types[i] == m_TypeContinent)
population = max(population, static_cast<uint32_t>(20000000));
}
return static_cast<uint8_t>(log(double(population)) / log(1.1));
}
private:
// Returns width and height (lon and lat) for a given type.
int GetScaleForType(uint32_t const type) const
{
if (type == m_TypeContinent)
return 2;
/// @todo Load countries bounding rects.
if (type == m_TypeCountry)
return 4;
if (type == m_TypeState)
return 6;
if (IsEqual(type, m_TypeCounty))
return 7;
if (type == m_TypeCity || type == m_TypeCityCapital)
return 9;
if (type == m_TypeTown)
return 9;
if (IsEqual(type, m_TypeVillage))
return 12;
if (IsEqual(type, m_TypeSmallVillage))
return 14;
return scales::GetUpperScale();
}
static uint32_t GetType(string const & s1,
string const & s2 = string(),
string const & s3 = string())
{
vector<string> path;
path.push_back(s1);
if (!s2.empty()) path.push_back(s2);
if (!s3.empty()) path.push_back(s3);
return classif().GetTypeByPath(path);
}
uint32_t m_TypeContinent;
uint32_t m_TypeCountry;
uint32_t m_TypeState;
uint32_t m_TypeCounty[2];
uint32_t m_TypeCity;
uint32_t m_TypeCityCapital;
uint32_t m_TypeTown;
uint32_t m_TypeVillage[2];
uint32_t m_TypeSmallVillage[3];
};
FeatureEstimator const & GetFeatureEstimator()
{
static FeatureEstimator const featureEstimator;
return featureEstimator;
}
} // namespace feature::impl
m2::RectD GetFeatureViewport(TypesHolder const & types, m2::RectD const & limRect)
{
return impl::GetFeatureEstimator().GetViewport(types, limRect);
}
uint8_t GetSearchRank(TypesHolder const & types, m2::PointD const & pt, uint32_t population)
{
return impl::GetFeatureEstimator().GetSearchRank(types, pt, population);
}
} // namespace feature
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