Files
OpenSpace/modules/newhorizons/util/hongkangparser.cpp
2016-07-28 20:31:53 +02:00

355 lines
15 KiB
C++

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#include <modules/newhorizons/util/hongkangparser.h>
#include <modules/newhorizons/util/imagesequencer.h>
#include <modules/newhorizons/util/instrumentdecoder.h>
#include <openspace/util/time.h>
#include <openspace/util/spicemanager.h>
#include <ghoul/logging/logmanager.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/filesystem/directory.h>
#include <fstream>
#include <iterator>
#include <iomanip>
#include <limits>
namespace {
const std::string _loggerCat = "HongKangParser";
const std::string keyTranslation = "DataInputTranslation";
const std::string PlaybookIdentifierName = "HongKang";
}
namespace openspace {
HongKangParser::HongKangParser(std::string name, std::string fileName,
std::string spacecraft,
ghoul::Dictionary translationDictionary,
std::vector<std::string> potentialTargets)
: _name(std::move(name))
, _defaultCaptureImage(absPath("${OPENSPACE_DATA}/scene/common/textures/placeholder.png"))
, _fileName(std::move(fileName))
, _spacecraft(std::move(spacecraft))
, _potentialTargets(std::move(potentialTargets))
{
//get the different instrument types
const std::vector<std::string>& decoders = translationDictionary.keys();
//for each decoder (assuming might have more if hong makes changes)
for (int i = 0; i < decoders.size(); ++i) {
//create dictionary containing all {playbookKeys , spice IDs}
if (decoders[i] == "Instrument") {
ghoul::Dictionary typeDictionary;
translationDictionary.getValue(decoders[i], typeDictionary);
//for each playbook call -> create a Decoder object
const std::vector<std::string>& keys = typeDictionary.keys();
//std::string abort = decoders[i] + "." + keyStopCommand;
for (int j = 0; j < keys.size(); ++j) {
std::string currentKey = decoders[i] + "." + keys[j];
ghoul::Dictionary decoderDictionary;
translationDictionary.getValue(currentKey, decoderDictionary);
Decoder* decoder = Decoder::createFromDictionary(decoderDictionary, decoders[i]);
//insert decoder to map - this will be used in the parser to determine
//behavioral characteristics of each instrument
_fileTranslation[keys[j]] = decoder;
}
}
//Hong's playbook needs _only_ instrument translation though.
}
}
void HongKangParser::findPlaybookSpecifiedTarget(std::string line, std::string& target) {
//remembto add this lua later...
std::transform(line.begin(), line.end(), line.begin(), toupper);
std::vector<std::string> ptarg = _potentialTargets;
for (const auto& p : ptarg) {
// loop over all targets and determine from 4th col which target this instrument points to
if (line.find(p) != std::string::npos){
target = p;
break;
}
else {
// not found - we set void until we have more info.
target = "VOID";
}
}
}
bool HongKangParser::create() {
//check input for errors.
bool hasObserver = SpiceManager::ref().hasNaifId(_spacecraft);
if (!hasObserver){
LERROR("SPICE navigation system has no pooled observer: '" << _spacecraft << "' in kernel" <<
"Please check that all necessary kernels are loaded"<<
"along with correct modfile definition.");
return hasObserver;
}
if (_potentialTargets.size() == 0){
LERROR("In order to find targeting from event file user has to provide list of potential targets "
<< "please check modfile");
}
if (size_t position = _fileName.find_last_of(".") + 1){
if (position != std::string::npos){
std::string extension = ghoul::filesystem::File(_fileName).fileExtension();
if (extension == "txt") {// Hong Kang. pre-parsed playbook
LINFO("Using Preparsed Playbook V9H");
std::ifstream file(_fileName , std::ios::binary);
if (!file.good()){
LERROR("Failed to open event file '" << _fileName << "'");
return false;
}
std::string line = "";
double shutter = 0.01;
std::string previousTarget;
std::string previousCamera;
TimeRange cameraRange;
TimeRange scanRange;
std::vector<std::string> scannerSpiceID;
std::vector<std::string> cameraSpiceID;
double capture_start = -1;
double capture_stop = -1;
double scan_start = -1;
double scan_stop = -1;
std::string cameraTarget = "VOID";
std::string scannerTarget = "VOID";
while (!file.eof()){
std::getline(file, line);
std::string event = line.substr(0, line.find_first_of(" "));
auto it = _fileTranslation.find(event);
bool foundEvent = (it != _fileTranslation.end());
std::string met = line.substr(25, 9);
double time = getETfromMet(met);
if (foundEvent){
//store the time, this is used for getNextCaptureTime()
_captureProgression.push_back(time);
if (it->second->getDecoderType() == "CAMERA"){
if (capture_start == -1){
//encountered new camera sequence- store start time
capture_start = time;
previousCamera = it->first;
}
//always store individual image for camera
cameraSpiceID = it->second->getTranslation();
//rely on playboook mdl column to determine target
findPlaybookSpecifiedTarget(line, cameraTarget);
//fill image
Image image;
image.startTime = time;
image.stopTime = time + shutter;
image.path = _defaultCaptureImage;
image.activeInstruments = cameraSpiceID;
image.target = cameraTarget;
image.isPlaceholder = true;
image.projected = false;
//createImage(image, time, time + shutter, cameraSpiceID, cameraTarget, _defaultCaptureImage);
//IFF spaccraft has decided to switch target, store in target map (used for: 'next observation focus')
if (previousTarget != image.target){
previousTarget = image.target;
std::pair<double, std::string> v_target = std::make_pair(time, image.target);
_targetTimes.push_back(v_target);
}
//store actual image in map. All targets get _only_ their corresp. subset.
_subsetMap[image.target]._subset.push_back(image);
//compute and store the range for each subset
_subsetMap[image.target]._range.setRange(time);
}
if (it->second->getDecoderType() == "SCANNER"){ // SCANNER START
scan_start = time;
InstrumentDecoder* scanner = static_cast<InstrumentDecoder*>(it->second);
std::string endNominal = scanner->getStopCommand();
// store current position in file
std::streampos len = file.tellg();
std::string linePeek;
bool foundstop = false;
while (!file.eof() && !foundstop){
//continue grabbing next line until we find what we need
getline(file, linePeek);
if (linePeek.find(endNominal) != std::string::npos){
foundstop = true;
met = linePeek.substr(25, 9);
scan_stop = getETfromMet(met);
findPlaybookSpecifiedTarget(line, scannerTarget);
scannerSpiceID = it->second->getTranslation();
scanRange._min = scan_start;
scanRange._max = scan_stop;
_instrumentTimes.push_back(std::make_pair(it->first, scanRange));
//store individual image
Image image;
image.startTime = scan_start;
image.stopTime = scan_stop;
image.path = _defaultCaptureImage;
image.activeInstruments = scannerSpiceID;
image.target = cameraTarget;
image.isPlaceholder = true;
image.projected = false;
_subsetMap[scannerTarget]._subset.push_back(image);
_subsetMap[scannerTarget]._range.setRange(scan_start);
}
}
//go back to stored position in file
file.seekg(len, std::ios_base::beg);
}
}
else{ // we have reached the end of a scan or consecutive capture sequence!
if (capture_start != -1){
//end of capture sequence for camera, store end time of this sequence
capture_stop = time;
cameraRange._min = capture_start;
cameraRange._max = capture_stop;
_instrumentTimes.push_back(std::make_pair(previousCamera, cameraRange));
capture_start = -1;
}
}
}
}
}
}
sendPlaybookInformation(PlaybookIdentifierName);
return true;
}
bool HongKangParser::augmentWithSpice(Image& image,
std::string spacecraft,
std::vector<std::string> payload,
std::vector<std::string> potentialTargets)
{
image.target = "VOID";
// we have (?) to cast to int, unfortunately
// Why? --abock
// because: old comment --m
int exposureTime = image.stopTime - image.startTime;
if (exposureTime == 0) {
exposureTime = 1;
}
for (int i = 0; i < potentialTargets.size(); ++i) {
bool _withinFOV = false;
for (int j = 0; j < image.activeInstruments.size(); ++j) {
double time = image.startTime;
for (int k = 0; k < exposureTime; k++){
time += k;
_withinFOV = SpiceManager::ref().isTargetInFieldOfView(
potentialTargets[i],
spacecraft,
image.activeInstruments[j],
SpiceManager::FieldOfViewMethod::Ellipsoid,
{},
time
);
if (_withinFOV) {
image.target = potentialTargets[i];
_withinFOV = false;
}
}
}
}
return false;
}
//Image HongKangParser::createImage(double startTime, double stopTime, std::vector<std::string> instr, std::string targ, std::string path) {
// image.startTime = startTime;
// image.stopTime = stopTime;
// image.path = path;
// for (int i = 0; i < instr.size(); i++){
// image.activeInstruments.push_back(instr[i]);
// }
// image.target = targ;
// image.projected = false;
// image.isPlaceholder = true;
//}
double HongKangParser::getETfromMet(std::string line){
std::string::size_type sz;
return getETfromMet(std::stod(line, &sz));
}
double HongKangParser::getETfromMet(double met){
double diff;
double referenceET =
SpiceManager::ref().ephemerisTimeFromDate("2015-07-14T11:50:00.00");
double et = referenceET;
//_metRef += 3; // MET reference time is off by 3 sec?
diff = std::abs(met - _metRef);
if (met > _metRef){
et = referenceET + diff;
} else if (met < _metRef){
et = referenceET - diff;
}
return et;
}
double HongKangParser::getMetFromET(double et){
double met;
double referenceET =
SpiceManager::ref().ephemerisTimeFromDate("2015-07-14T11:50:00.00");
if (et >= referenceET){
met = _metRef + (et - referenceET);
}else{
met = _metRef - (referenceET - et);
}
return met;
}
}