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Do delay bin to km conversion in JSON
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parent
b77ac6b015
commit
56e92c09e9
5 changed files with 32 additions and 8 deletions
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@ -15,8 +15,8 @@ process:
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ambiguity:
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delayMin: -10
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delayMax: 300
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dopplerMin: -300
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dopplerMax: 300
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dopplerMin: -250
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dopplerMax: 250
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clutter:
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delayMin: -10
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delayMax: 300
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@ -206,6 +206,7 @@ int main(int argc, char **argv)
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// output map data
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map->set_metrics();
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mapJson = map->to_json();
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mapJson = map->delay_bin_to_km(mapJson, fs);
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if (saveMap)
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{
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map->save(mapJson, saveMapPath);
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@ -121,7 +121,7 @@ std::string Map<T>::to_json()
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rapidjson::Value arrayDelay(rapidjson::kArrayType);
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for (int i = 0; i < delay.size(); i++)
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{
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arrayDelay.PushBack(delay_km[i], allocator);
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arrayDelay.PushBack(delay[i], allocator);
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}
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// store Doppler array
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@ -141,7 +141,6 @@ std::string Map<T>::to_json()
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document.AddMember("maxPower", maxPower, allocator);
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document.AddMember("delay", arrayDelay, allocator);
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document.AddMember("doppler", arrayDoppler, allocator);
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document.AddMember("timestamp", timestamp, allocator);
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document.AddMember(rapidjson::Value("data", document.GetAllocator()).Move(), array, document.GetAllocator());
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rapidjson::StringBuffer strbuf;
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@ -152,6 +151,28 @@ std::string Map<T>::to_json()
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return strbuf.GetString();
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}
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template <class T>
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std::string Map<T>::delay_bin_to_km(std::string json, uint32_t fs)
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{
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rapidjson::Document document;
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document.SetObject();
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rapidjson::Document::AllocatorType &allocator = document.GetAllocator();
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document.Parse(json.c_str());
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document["delay"].Clear();
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for (int i = 0; i < delay.size(); i++)
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{
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document["delay"].PushBack(1.0*delay[i]*(299792458/(double)fs)/1000, allocator);
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}
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rapidjson::StringBuffer strbuf;
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rapidjson::Writer<rapidjson::StringBuffer> writer(strbuf);
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writer.SetMaxDecimalPlaces(2);
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document.Accept(writer);
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return strbuf.GetString();
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}
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template <class T>
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void Map<T>::set_metrics()
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{
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@ -33,9 +33,6 @@ public:
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/// @brief Delay units of map data (bins).
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std::deque<int> delay;
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/// @brief Delay units of map data (km).
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std::deque<double> delay_km;
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/// @brief Doppler units of map data (Hz).
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std::deque<double> doppler;
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@ -97,6 +94,12 @@ public:
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/// @return JSON string.
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std::string to_json();
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/// @brief Update JSON to convert delay bins to km.
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/// @param json Input JSON string with delay field.
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/// @param fs Sampling frequency (Hz).
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/// @return JSON string.
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std::string delay_bin_to_km(std::string json, uint32_t fs);
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/// @brief Append the map to a save file.
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/// @param json JSON string of map and metadata.
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/// @param path Path of file to save.
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@ -79,7 +79,6 @@ Ambiguity::Ambiguity(int32_t _delayMin, int32_t _delayMax, int32_t _dopplerMin,
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for (int i = 0; i < nDelayBins; i++)
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{
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map->delay.push_back(delay[i]);
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map->delay_km.push_back(((double)delay[i] * (299792458/(double)fs)) / 1000);
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}
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for (int i = 0; i < nDopplerBins; i++)
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{
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