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OpenSpace/modules/base/ephemeris/spiceephemeris.cpp

111 lines
4.7 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/base/ephemeris/spiceephemeris.h>
#include <openspace/util/spicemanager.h>
#include <openspace/util/time.h>
#include <ghoul/filesystem/filesystem.h>
namespace {
const std::string _loggerCat = "SpiceEphemeris";
//const std::string keyGhosting = "EphmerisGhosting";
const std::string KeyBody = "Body";
const std::string KeyOrigin = "Observer";
const std::string KeyKernels = "Kernels";
}
namespace openspace {
SpiceEphemeris::SpiceEphemeris(const ghoul::Dictionary& dictionary)
: _targetName("")
, _originName("")
, _position()
, _kernelsLoadedSuccessfully(true)
{
const bool hasBody = dictionary.getValue(KeyBody, _targetName);
if (!hasBody)
LERROR("SpiceEphemeris does not contain the key '" << KeyBody << "'");
const bool hasObserver = dictionary.getValue(KeyOrigin, _originName);
if (!hasObserver)
LERROR("SpiceEphemeris does not contain the key '" << KeyOrigin << "'");
//dictionary.getValue(keyGhosting, _ghosting);
ghoul::Dictionary kernels;
dictionary.getValue(KeyKernels, kernels);
for (size_t i = 1; i <= kernels.size(); ++i) {
std::string kernel;
bool success = kernels.getValue(std::to_string(i), kernel);
if (!success) {
LERROR("'" << KeyKernels << "' has to be an array-style table");
break;
}
if (!FileSys.fileExists(kernel)) {
LERROR("Kernel '" << kernel << "' does not exist");
continue;
}
try {
SpiceManager::ref().loadKernel(kernel);
_kernelsLoadedSuccessfully = true;
}
catch (const SpiceManager::SpiceException& e) {
LERROR("Could not load SPICE kernel: " << e.what());
_kernelsLoadedSuccessfully = false;
}
}
}
const glm::dvec3& SpiceEphemeris::position() const {
return _position;
}
void SpiceEphemeris::update(const UpdateData& data) {
if (!_kernelsLoadedSuccessfully)
return;
double lightTime = 0.0;
glm::dvec3 position = SpiceManager::ref().targetPosition(
_targetName, _originName, "GALACTIC", {}, data.time, lightTime);
//double interval = openspace::ImageSequencer::ref().getIntervalLength();
//if (_ghosting == "TRUE" && interval > 60){
// double _time = openspace::ImageSequencer::ref().getNextCaptureTime();
// SpiceManager::ref().getTargetPosition(_targetName, _originName,
// "GALACTIC", "NONE", _time, position, lightTime);
//}
//
//_position = psc::CreatePowerScaledCoordinate(position.x, position.y, position.z);
//_position[3] += 3;
_position = position * glm::pow(10.0, 3.0);
}
} // namespace openspace