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96 lines
4.5 KiB
C++
96 lines
4.5 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2018 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/dsn/managers/radecmanager.h>
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namespace openspace {
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constexpr const char* _loggerCat = "RadecManager";
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RadecManager::RadecManager() = default;
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bool RadecManager::extractMandatoryInfoFromDictionary(const char* identifier, std::unique_ptr<ghoul::Dictionary> &dictionary){
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bool dataFilesSuccess = DataFileHelper::checkFileNames(identifier, dictionary, _dataFiles);
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radecParser(0);
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return dataFilesSuccess;
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}
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glm::vec3 RadecManager::getPosForTime(double time) const {
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std::vector<double> timeDoubles = DataFileHelper::getHoursFromFileNames(_dataFiles); //save as member
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int idx = DataFileHelper::findFileIndexForCurrentTime(time, timeDoubles);
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if (radecParser(idx)) {
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//If we have the correct file, check for the correct position in that file.
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glm::vec3 pos = findPositionInVector(time);
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return glm::vec3(pos.x,pos.y,pos.z);
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}
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return glm::vec3(-1,-1,-1);
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}
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bool RadecManager::radecParser(int index) const{
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std::string filename;
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if (index == -1 || index > _dataFiles.size())
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return false;
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filename = _dataFiles[index];
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std::string startTimeString = DataFileHelper::getHourFromFileName(filename);
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const double triggerTime = Time::convertTime(startTimeString);
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_checkFileTime = triggerTime;
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std::ifstream ifs(filename);
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nlohmann::json j = nlohmann::json::parse(ifs);
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RadecManager::Position position;
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positions.clear();
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positions.reserve(0);
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for (const auto& pos : j["Positions"]) {
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position.timeStamp = pos["TimeStamp"].get<std::string>();
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position.ra = pos["RAUp"].get<double>();
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position.dec = pos["DecUp"].get<double>();
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position.range = pos["GeoRngUp"].get<double>();
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RadecManager::positions.push_back(position);
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}
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return true;
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}
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glm::vec3 RadecManager::findPositionInVector(double time) const{
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minuteTimes.clear();
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minuteTimes.reserve(0);
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for (int i = 0; i < RadecManager::positions.size(); i++) {
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//Convert each timestamp in vector of positions to j2000
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minuteTimes.push_back(Time::convertTime(positions[i].timeStamp));
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}
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int idx = DataFileHelper::findFileIndexForCurrentTime(time, minuteTimes);
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glm::vec3 pos = { positions[idx].ra, positions[idx].dec, positions[idx].range };
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return pos;
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}
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}
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