c2c/co-maps
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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
parent 4af19165ec
commit 68073add76
12458 changed files with 12350765 additions and 2 deletions
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47
libs/indexer/data_source_helpers.cpp Normal file
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#include "indexer/data_source_helpers.hpp"
#include "indexer/data_source.hpp"
#include "indexer/feature_algo.hpp"
#include "indexer/scales.hpp"
namespace indexer
{
using namespace std;
void ForEachFeatureAtPoint(DataSource const & dataSource, function<void(FeatureType &)> && fn,
m2::PointD const & mercator, double toleranceInMeters)
{
double constexpr kSelectRectWidthInMeters = 1.1;
double constexpr kMetersToLinearFeature = 3;
int constexpr kScale = scales::GetUpperScale();
m2::RectD const rect = mercator::RectByCenterXYAndSizeInMeters(mercator, kSelectRectWidthInMeters);
auto const emitter = [&fn, &rect, &mercator, toleranceInMeters](FeatureType & ft)
{
switch (ft.GetGeomType())
{
case feature::GeomType::Point:
if (rect.IsPointInside(ft.GetCenter()))
fn(ft);
break;
case feature::GeomType::Line:
if (feature::GetMinDistanceMeters(ft, mercator) < kMetersToLinearFeature)
fn(ft);
break;
case feature::GeomType::Area:
{
auto limitRect = ft.GetLimitRect(kScale);
// Be a little more tolerant. When used by editor mercator is given
// with some error, so we must extend limit rect a bit.
limitRect.Inflate(kMwmPointAccuracy, kMwmPointAccuracy);
if (limitRect.IsPointInside(mercator) && feature::GetMinDistanceMeters(ft, mercator) <= toleranceInMeters)
fn(ft);
}
break;
case feature::GeomType::Undefined: ASSERT(false, ("case feature::GeomType::Undefined")); break;
}
};
dataSource.ForEachInRect(emitter, rect, kScale);
}
} // namespace indexer