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# Conflicts: # CMakeLists.txt # android/app/src/main/java/app/organicmaps/settings/SettingsPrefsFragment.java # android/sdk/src/main/cpp/app/organicmaps/sdk/Framework.hpp # android/sdk/src/main/cpp/app/organicmaps/sdk/OrganicMaps.cpp # android/sdk/src/main/cpp/app/organicmaps/sdk/util/Config.cpp # libs/indexer/data_source.hpp # libs/indexer/feature.hpp # libs/indexer/ftypes_matcher.hpp # libs/map/framework.cpp # libs/map/traffic_manager.cpp # libs/routing/absent_regions_finder.cpp # libs/routing/edge_estimator.hpp # libs/routing/index_router.cpp # libs/routing/index_router.hpp # libs/routing/routing_session.hpp # libs/routing_common/num_mwm_id.hpp # libs/traffic/traffic_info.cpp # qt/mainwindow.hpp # qt/preferences_dialog.cpp # tools/openlr/helpers.hpp # tools/openlr/openlr_decoder.cpp # tools/openlr/openlr_decoder.hpp # tools/openlr/openlr_stat/openlr_stat.cpp # tools/openlr/router.hpp # tools/openlr/score_candidate_paths_getter.cpp # tools/openlr/score_candidate_paths_getter.hpp # xcode/CoMaps.xcworkspace/contents.xcworkspacedata
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#pragma once
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#include <cstdint>
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#include <string>
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namespace traffic
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{
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/**
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* A bucket for the ratio of the speed of moving traffic to the posted speed limit.
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*
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* Let Vmax be the posted speed limit and Vreal the speed at which traffic is currently flowing
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* or expected to flow. The possible ratios (Vreal/Vmax) are grouped into buckets and, from then
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* on, only the bucket number is used.
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*
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* The threshold ratios for the individual values are defined in `kSpeedGroupThresholdPercentage`.
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*/
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enum class SpeedGroup : uint8_t
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{
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G0 = 0,
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G1,
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G2,
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G3,
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G4,
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G5,
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TempBlock,
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Unknown,
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Count
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};
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static_assert(static_cast<uint8_t>(SpeedGroup::Count) <= 8, "");
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/**
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* Threshold ratios for the individual values of `SpeedGroup`.
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*
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* Let Vmax be the posted speed limit and Vreal the speed at which traffic is currently flowing
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* or expected to flow. The possible ratios (Vreal/Vmax) are grouped into buckets and, from then
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* on, only the bucket number is used.
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*
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* `kSpeedGroupThresholdPercentage[g]` is the maximum percentage of Vreal/Vmax for group g. Values
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* falling on the border of two groups may belong to either group.
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*
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* For special groups, where Vreal/Vmax is unknown or undefined, the threshold is 100%.
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*/
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extern uint32_t const kSpeedGroupThresholdPercentage[static_cast<size_t>(SpeedGroup::Count)];
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/**
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* Converts the ratio between speed of flowing traffic and the posted limit to a `SpeedGroup`.
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*
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* This method is used in traffic jam generation: Let Vmax be the posted speed limit and Vreal the
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* speed at which traffic is currently flowing or expected to flow. The possible ratios
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* (Vreal/Vmax) are grouped into buckets and, from then on, only the bucket number is used.
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*
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* This method performs the conversion from the ratio to a `SpeedGroup` bucket.
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*
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* @param p Vreal / Vmax * 100% (ratio expressed in percent)
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*
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* @return the `SpeedGroup` value which corresponds to `p`
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*/
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SpeedGroup GetSpeedGroupByPercentage(double p);
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std::string DebugPrint(SpeedGroup const & group);
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} // namespace traffic
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