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329 lines
14 KiB
C++
329 lines
14 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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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/newhorizons/util/hongkangparser.h>
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#include <modules/newhorizons/util/imagesequencer.h>
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#include <modules/newhorizons/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/filesystem.h>
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#include <fstream>
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namespace {
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const char* keyTranslation = "DataInputTranslation";
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const char* PlaybookIdentifierName = "HongKang";
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}
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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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ghoul::Dictionary translationDictionary,
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std::vector<std::string> potentialTargets)
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: _name(std::move(name))
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, _defaultCaptureImage(absPath("${OPENSPACE_DATA}/scene/common/textures/placeholder.png"))
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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 (int i = 0; i < decoders.size(); ++i) {
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//create dictionary containing all {playbookKeys , spice IDs}
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if (decoders[i] == "Instrument") {
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ghoul::Dictionary typeDictionary;
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translationDictionary.getValue(decoders[i], 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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//std::string abort = decoders[i] + "." + keyStopCommand;
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for (int j = 0; j < keys.size(); ++j) {
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std::string currentKey = decoders[i] + "." + keys[j];
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ghoul::Dictionary decoderDictionary;
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translationDictionary.getValue(currentKey, decoderDictionary);
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auto decoder = Decoder::createFromDictionary(decoderDictionary, decoders[i]);
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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[keys[j]] = 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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void HongKangParser::findPlaybookSpecifiedTarget(std::string line, std::string& target) {
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//remembto add this lua later...
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std::transform(line.begin(), line.end(), line.begin(), toupper);
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std::vector<std::string> ptarg = _potentialTargets;
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for (const auto& p : ptarg) {
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// loop over all targets and determine from 4th col which target this instrument points to
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if (line.find(p) != std::string::npos) {
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target = p;
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break;
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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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}
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bool HongKangParser::create() {
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//check input for errors.
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bool hasObserver = SpiceManager::ref().hasNaifId(_spacecraft);
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if (!hasObserver) {
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throw ghoul::RuntimeError(
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"SPICE has no observer: '" + _spacecraft + "' in kernel pool",
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"HongKangParser"
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);
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}
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if (_potentialTargets.size() == 0) {
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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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if (size_t position = _fileName.find_last_of(".") + 1){
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if (position != std::string::npos){
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std::string extension = ghoul::filesystem::File(_fileName).fileExtension();
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if (extension == "txt") { // Hong Kang. pre-parsed playbook
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std::ifstream file;
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file.exceptions(std::ofstream::failbit | std::ofstream::badbit);
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//std::ifstream file(_fileName , std::ios::binary);
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//if (!file.good()){
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// LERROR("Failed to open event file '" << _fileName << "'");
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// return false;
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//}
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std::string line = "";
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double shutter = 0.01;
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std::string previousTarget;
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std::string previousCamera;
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TimeRange cameraRange;
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TimeRange scanRange;
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std::vector<std::string> scannerSpiceID;
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std::vector<std::string> cameraSpiceID;
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double capture_start = -1;
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double capture_stop = -1;
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double scan_start = -1;
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double scan_stop = -1;
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std::string cameraTarget = "VOID";
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std::string scannerTarget = "VOID";
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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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auto it = _fileTranslation.find(event);
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bool foundEvent = (it != _fileTranslation.end());
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std::string met = line.substr(25, 9);
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double time = getETfromMet(met);
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if (foundEvent){
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//store the time, this is used for getNextCaptureTime()
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_captureProgression.push_back(time);
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if (it->second->getDecoderType() == "CAMERA") {
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if (capture_start == -1) {
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//encountered new camera sequence- store start time
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capture_start = 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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cameraSpiceID = it->second->getTranslation();
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//rely on playboook mdl column to determine target
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findPlaybookSpecifiedTarget(line, cameraTarget);
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//fill image
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Image image;
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image.timeRange = TimeRange(time, time + shutter);
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image.path = _defaultCaptureImage;
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image.activeInstruments = cameraSpiceID;
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image.target = cameraTarget;
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image.isPlaceholder = true;
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image.projected = false;
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//createImage(image, time, time + shutter, cameraSpiceID, cameraTarget, _defaultCaptureImage);
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//IFF spaccraft has decided to switch target, store in target 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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std::pair<double, std::string> v_target = std::make_pair(time, image.target);
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_targetTimes.push_back(v_target);
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}
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//store actual image in map. All targets get _only_ their 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->getDecoderType() == "SCANNER") { // SCANNER START
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scan_start = time;
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InstrumentDecoder* scanner = static_cast<InstrumentDecoder*>(it->second.get());
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std::string endNominal = scanner->getStopCommand();
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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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bool foundstop = false;
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while (!file.eof() && !foundstop) {
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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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foundstop = true;
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met = linePeek.substr(25, 9);
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scan_stop = getETfromMet(met);
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findPlaybookSpecifiedTarget(line, scannerTarget);
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scannerSpiceID = it->second->getTranslation();
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scanRange = { scan_start, scan_stop };
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ghoul_assert(scanRange.isDefined(), "Invalid time range!");
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_instrumentTimes.push_back(std::make_pair(it->first, scanRange));
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//store individual image
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Image image;
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image.timeRange = scanRange;
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image.path = _defaultCaptureImage;
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image.activeInstruments = scannerSpiceID;
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image.target = cameraTarget;
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image.isPlaceholder = true;
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image.projected = false;
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_subsetMap[scannerTarget]._subset.push_back(image);
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_subsetMap[scannerTarget]._range.include(scan_start);
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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 { // we have reached the end of a scan or consecutive capture sequence!
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if (capture_start != -1) {
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//end of capture sequence for camera, store end time of this sequence
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capture_stop = time;
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cameraRange = { capture_start, capture_stop };
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ghoul_assert(cameraRange.isDefined(), "Invalid time range!");
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_instrumentTimes.push_back(std::make_pair(previousCamera, cameraRange));
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capture_start = -1;
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}
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}
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}
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}
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}
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}
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sendPlaybookInformation(PlaybookIdentifierName);
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return true;
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}
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bool HongKangParser::augmentWithSpice(Image& image, std::string spacecraft,
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std::vector<std::string> payload,
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std::vector<std::string> potentialTargets)
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{
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image.target = "VOID";
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// we have (?) to cast to int, unfortunately
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// Why? --abock
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// because: old comment --m
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int exposureTime = image.timeRange.duration();
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if (exposureTime == 0) {
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exposureTime = 1;
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}
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for (int i = 0; i < potentialTargets.size(); ++i) {
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for (int j = 0; j < image.activeInstruments.size(); ++j) {
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double time = image.timeRange.start;
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for (int k = 0; k < exposureTime; k++) {
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time += k;
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bool withinFOV = SpiceManager::ref().isTargetInFieldOfView(
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potentialTargets[i],
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spacecraft,
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image.activeInstruments[j],
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SpiceManager::FieldOfViewMethod::Ellipsoid,
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{},
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time
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);
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if (withinFOV) {
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image.target = potentialTargets[i];
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}
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}
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}
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}
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return false;
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}
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double HongKangParser::getETfromMet(std::string line) {
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std::string::size_type sz;
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return getETfromMet(std::stod(line, &sz));
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}
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double HongKangParser::getETfromMet(double met) {
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const double referenceET =
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SpiceManager::ref().ephemerisTimeFromDate("2015-07-14T11:50:00.00");
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//_metRef += 3; // MET reference time is off by 3 sec?
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const double diff = std::abs(met - _metRef);
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if (met > _metRef) {
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return referenceET + diff;
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} else if (met < _metRef) {
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return referenceET - diff;
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}
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}
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double HongKangParser::getMetFromET(double et) {
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const double referenceET =
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SpiceManager::ref().ephemerisTimeFromDate("2015-07-14T11:50:00.00");
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if (et >= referenceET) {
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return _metRef + (et - referenceET);
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}else {
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return _metRef - (referenceET - et);
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}
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}
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} // namespace openspace
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