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282 lines
12 KiB
C++
282 lines
12 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2020 *
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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/spacecraftinstruments/util/hongkangparser.h>
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#include <modules/spacecraftinstruments/util/imagesequencer.h>
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#include <modules/spacecraftinstruments/util/instrumentdecoder.h>
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#include <openspace/util/spicemanager.h>
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#include <ghoul/logging/logmanager.h>
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#include <ghoul/misc/dictionary.h>
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#include <ghoul/filesystem/file.h>
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#include <ghoul/filesystem/filesystem.h>
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#include <ghoul/fmt.h>
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#include <fstream>
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namespace {
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double ephemerisTimeFromMissionElapsedTime(double met, double metReference) {
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const double referenceET = openspace::SpiceManager::ref().ephemerisTimeFromDate(
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"2015-07-14T11:50:00.00"
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);
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const double diff = std::abs(met - metReference);
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if (met > metReference) {
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return referenceET + diff;
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}
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else if (met < metReference) {
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return referenceET - diff;
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}
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return 0.0;
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}
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double ephemerisTimeFromMissionElapsedTime(const std::string& line,
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double metReference)
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{
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std::string::size_type sz;
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return ephemerisTimeFromMissionElapsedTime(std::stod(line, &sz), metReference);
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}
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} // namespace
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namespace openspace {
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HongKangParser::HongKangParser(std::string name, std::string fileName,
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std::string spacecraft,
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const ghoul::Dictionary& translationDictionary,
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std::vector<std::string> potentialTargets)
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: _defaultCaptureImage(absPath("${DATA}/placeholder.png"))
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, _name(std::move(name))
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, _fileName(std::move(fileName))
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, _spacecraft(std::move(spacecraft))
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, _potentialTargets(std::move(potentialTargets))
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{
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//get the different instrument types
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const std::vector<std::string>& decoders = translationDictionary.keys();
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//for each decoder (assuming might have more if hong makes changes)
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for (const std::string& decoderType : decoders) {
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//create dictionary containing all {playbookKeys , spice IDs}
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if (decoderType == "Instrument") {
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ghoul::Dictionary typeDictionary;
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translationDictionary.getValue(decoderType, typeDictionary);
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// for each playbook call -> create a Decoder object
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const std::vector<std::string>& keys = typeDictionary.keys();
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for (const std::string& key : keys) {
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const std::string& currentKey = decoderType + "." + key;
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ghoul::Dictionary decoderDictionary;
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translationDictionary.getValue(currentKey, decoderDictionary);
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std::unique_ptr<Decoder> decoder = Decoder::createFromDictionary(
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decoderDictionary,
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decoderType
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);
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//insert decoder to map - this will be used in the parser to determine
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//behavioral characteristics of each instrument
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_fileTranslation[key] = std::move(decoder);
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}
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}
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//Hong's playbook needs _only_ instrument translation though.
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}
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}
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std::string HongKangParser::findPlaybookSpecifiedTarget(std::string line) {
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//remembto add this lua later...
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std::transform(
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line.begin(),
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line.end(),
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line.begin(),
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[](char v) { return static_cast<char>(toupper(v)); }
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);
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const std::vector<std::string>& ptarg = _potentialTargets;
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std::string target;
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for (const std::string& p : ptarg) {
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// loop over all targets and determine from 4th col which target this instrument
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// points to
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if (line.find(p) != std::string::npos) {
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return p;
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}
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else {
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// not found - we set void until we have more info.
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target = "VOID";
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}
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}
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return target;
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}
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bool HongKangParser::create() {
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//check input for errors.
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const bool hasObserver = SpiceManager::ref().hasNaifId(_spacecraft);
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if (!hasObserver) {
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throw ghoul::RuntimeError(
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fmt::format("SPICE has no observer: '{}' in kernel pool", _spacecraft),
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"HongKangParser"
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);
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}
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if (_potentialTargets.empty()) {
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throw ghoul::RuntimeError(
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"List of potential target is missing in order to parse the event file",
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"HongKangParser"
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);
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}
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size_t position = _fileName.find_last_of('.') + 1;
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if (position == 0 || position == std::string::npos) {
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return true;
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}
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const std::string& extension = ghoul::filesystem::File(_fileName).fileExtension();
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if (extension != "txt") {
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return true;
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}
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std::ifstream file;
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file.exceptions(std::ofstream::failbit | std::ofstream::badbit);
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file.open(absPath(_fileName));
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constexpr const double Exposure = 0.01;
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std::string previousTarget;
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std::string previousCamera;
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double captureStart = -1.0;
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double captureStop = -1.0;
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double scanStart = -1.0;
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double scanStop = -1.0;
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std::string cameraTarget = "VOID";
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std::string scannerTarget = "VOID";
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std::string line;
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while (!file.eof()) {
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std::getline(file, line);
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std::string event = line.substr(0, line.find_first_of(' '));
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const auto it = _fileTranslation.find(event);
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const bool foundEvent = (it != _fileTranslation.end());
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std::string met = line.substr(25, 9);
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const double time = ephemerisTimeFromMissionElapsedTime(met, _metRef);
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if (foundEvent) {
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//store the time, this is used for nextCaptureTime()
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_captureProgression.push_back(time);
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if (it->second->decoderType() == "CAMERA") {
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if (captureStart == -1) {
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//encountered new camera sequence- store start time
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captureStart = time;
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previousCamera = it->first;
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}
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//always store individual image for camera
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std::vector<std::string> cameraSpiceID = it->second->translations();
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//rely on playboook mdl column to determine target
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cameraTarget = findPlaybookSpecifiedTarget(line);
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//fill image
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Image image = {
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TimeRange(time, time + Exposure),
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_defaultCaptureImage,
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std::move(cameraSpiceID),
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cameraTarget,
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true,
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false
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};
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// IFF spaccraft has decided to switch target, store in target
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// map (used for: 'next observation focus')
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if (previousTarget != image.target) {
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previousTarget = image.target;
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_targetTimes.emplace_back(time, image.target);
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}
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// store actual image in map. All targets get _only_ their
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// corresp. subset.
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_subsetMap[image.target]._subset.push_back(image);
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// compute and store the range for each subset
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_subsetMap[image.target]._range.include(time);
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}
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if (it->second->decoderType() == "SCANNER") { // SCANNER START
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scanStart = time;
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InstrumentDecoder* scanner = static_cast<InstrumentDecoder*>(
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it->second.get()
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);
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const std::string& endNominal = scanner->stopCommand();
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// store current position in file
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std::streampos len = file.tellg();
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std::string linePeek;
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while (!file.eof()) {
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//continue grabbing next line until we find what we need
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getline(file, linePeek);
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if (linePeek.find(endNominal) != std::string::npos) {
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met = linePeek.substr(25, 9);
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scanStop = ephemerisTimeFromMissionElapsedTime(met, _metRef);
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scannerTarget = findPlaybookSpecifiedTarget(line);
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TimeRange scanRange = { scanStart, scanStop };
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ghoul_assert(scanRange.isDefined(), "Invalid time range!");
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_instrumentTimes.emplace_back(it->first, scanRange);
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// store individual image
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Image image = {
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scanRange,
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_defaultCaptureImage,
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it->second->translations(),
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cameraTarget,
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true,
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false
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};
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_subsetMap[scannerTarget]._subset.push_back(std::move(image));
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_subsetMap[scannerTarget]._range.include(scanStart);
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break;
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}
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}
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//go back to stored position in file
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file.seekg(len, std::ios_base::beg);
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}
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}
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else {
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// we have reached the end of a scan or consecutive capture
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// sequence!
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if (captureStart != -1) {
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// end of capture sequence for camera, store end time of this
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// sequence
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captureStop = time;
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TimeRange cameraRange = { captureStart, captureStop };
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ghoul_assert(cameraRange.isDefined(), "Invalid time range!");
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_instrumentTimes.emplace_back(previousCamera, cameraRange);
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captureStart = -1;
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}
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}
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}
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return true;
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}
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} // namespace openspace
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