void GetIntersection(FeatureType & f, FeatureIntersector<DEPTH_LEVELS> & fIsect)
{
// We need to cover feature for the best geometry, because it's indexed once for the
// first top level scale. Do reset current cached geometry first.
f.ResetGeometry();
int const scale = FeatureType::BEST_GEOMETRY;
f.ForEachPoint(fIsect, scale);
f.ForEachTriangle(fIsect, scale);
CHECK(!(fIsect.m_trg.empty() && fIsect.m_polyline.empty()) &&
f.GetLimitRect(scale).IsValid(), (f.DebugString(scale)));
}
void StreetVicinityLoader::LoadStreet(uint32_t featureId, Street & street)
{
FeatureType feature;
if (!m_context->GetFeature(featureId, feature))
return;
if (feature.GetFeatureType() != feature::GEOM_LINE)
return;
vector<m2::PointD> points;
feature.ForEachPoint(MakeBackInsertFunctor(points), FeatureType::BEST_GEOMETRY);
ASSERT(!points.empty(), ());
for (auto const & point : points)
street.m_rect.Add(MercatorBounds::RectByCenterXYAndSizeInMeters(point, m_offsetMeters));
covering::CoveringGetter coveringGetter(street.m_rect, covering::ViewportWithLowLevels);
auto const & intervals = coveringGetter.Get(m_scale);
m_context->ForEachIndex(intervals, m_scale, MakeBackInsertFunctor(street.m_features));
street.m_calculator = make_unique<ProjectionOnStreetCalculator>(points);
}