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#include "generator/routing_generator.hpp"
#include "generator/srtm_parser.hpp"
#include "routing/routing_helpers.hpp"
#include "indexer/feature.hpp"
#include "indexer/feature_altitude.hpp"
#include "indexer/feature_data.hpp"
#include "indexer/feature_processor.hpp"
#include "coding/file_container.hpp"
#include "coding/file_name_utils.hpp"
#include "coding/varint.hpp"
#include "coding/internal/file_data.hpp"
#include "base/assert.hpp"
#include "base/logging.hpp"
#include "base/stl_helpers.hpp"
#include "base/string_utils.hpp"
#include "defines.hpp"
#include "std/algorithm.hpp"
#include "std/type_traits.hpp"
#include "std/utility.hpp"
#include "std/vector.hpp"
using namespace feature;
namespace
{
class Processor
{
public:
using TFeatureAltitude = pair<uint32_t, Altitudes>;
using TFeatureAltitudes = vector<TFeatureAltitude>;
Processor(string const & srtmPath) : m_srtmManager(srtmPath) {}
TFeatureAltitudes const & GetFeatureAltitudes() const { return m_featureAltitudes; }
void operator()(FeatureType const & f, uint32_t const & id)
{
if (!routing::IsRoad(feature::TypesHolder(f)))
return;
f.ParseGeometry(FeatureType::BEST_GEOMETRY);
size_t const pointsCount = f.GetPointsCount();
if (pointsCount == 0)
return;
Altitudes alts(m_srtmManager.GetHeight(MercatorBounds::ToLatLon(f.GetPoint(0))),
m_srtmManager.GetHeight(MercatorBounds::ToLatLon(f.GetPoint(pointsCount - 1))));
m_featureAltitudes.push_back(make_pair(id, alts));
}
void SortFeatureAltitudes()
{
sort(m_featureAltitudes.begin(), m_featureAltitudes.end(), my::LessBy(&Processor::TFeatureAltitude::first));
}
private:
generator::SrtmTileManager m_srtmManager;
TFeatureAltitudes m_featureAltitudes;
};
} // namespace
namespace routing
{
void BuildRoadAltitudes(string const & srtmPath, string const & baseDir, string const & countryName)
{
LOG(LINFO, ("srtmPath =", srtmPath, "baseDir =", baseDir, "countryName =", countryName));
string const mwmPath = my::JoinFoldersToPath(baseDir, countryName + DATA_FILE_EXTENSION);
// Writing section with altitude information.
{
FilesContainerW cont(mwmPath, FileWriter::OP_WRITE_EXISTING);
FileWriter w = cont.GetWriter(ALTITUDE_FILE_TAG);
Processor processor(srtmPath);
feature::ForEachFromDat(mwmPath, processor);
processor.SortFeatureAltitudes();
Processor::TFeatureAltitudes const & featureAltitudes = processor.GetFeatureAltitudes();
for (auto const & a : featureAltitudes)
{
Altitude altitude(a.first /* feature id */, a.second /* feature altitudes */);
altitude.Serialize(w);
}
LOG(LINFO, ("Altitude was written for", featureAltitudes.size(), "features."));
}
}
} // namespace routing
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