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buffer depending on light travel time

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This commit is contained in:
Agnes Heppich
2018-12-07 11:41:04 -05:00
parent 9f7a0fd199
commit 4428abe926
1 changed files with 33 additions and 27 deletions
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60
modules/dsn/managers/radecmanager.cpp
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@@ -93,6 +93,7 @@ namespace openspace {
for (int i = 0; i < RadecManager::positions.size(); i++) {
minuteTimes.push_back(Time::convertTime(positions[i].timeStamp));
}
int idx = DataFileHelper::findFileIndexForCurrentTime(time + position.lightTravelTime, minuteTimes);//Compensate for light travel time to the spacecraft
activeMinute = minuteTimes[idx];
position.timeStamp = positions[idx].timeStamp;
@@ -104,36 +105,41 @@ namespace openspace {
}
void RadecManager::updateRadecData(int index) const {
std::string filename;
int buffer = 1;
if (index == -1 || index > _dataFiles.size()) {
return;
}
positions.clear();
positions.reserve(10);
std::string filename;
filename = _dataFiles[index];
std::string startTimeString = DataFileHelper::getHourFromFileName(filename);
const double triggerTime = Time::convertTime(startTimeString);
if (index == -1 || index > _dataFiles.size()) return;
_checkFileTime = triggerTime;
_checkFileEndTime = triggerTime + 3600;
positions.clear();
positions.reserve(10);
if (index < buffer) {
radecParser(index);
radecParser(index + buffer);
return;
}
else if (index == _dataFiles.size() -1) {
radecParser(index - buffer);
radecParser(index);
return;
}
else {
radecParser(index - buffer);
radecParser(index);
radecParser(index + buffer);
}
filename = _dataFiles[index];
std::string startTimeString = DataFileHelper::getHourFromFileName(filename);
const double triggerTime = Time::convertTime(startTimeString);
_checkFileTime = triggerTime;
_checkFileEndTime = triggerTime + 3600;
//Light travel time in hours determines where to search for the correct position
int lightTravelHours = ceil(position.lightTravelTime / 3600);
if (lightTravelHours > 1)
index = index + lightTravelHours;
if (index < lightTravelHours + 1) {
radecParser(index);
radecParser(index + 1);
return;
}
else if (index == _dataFiles.size() - lightTravelHours) {
radecParser(index);
radecParser(index -1);
return;
}
else {
radecParser(index - 1);
radecParser(index);
radecParser(index + 1);
}
}
}