IsisIlluminator.cpp

 
/* SPDX-License-Identifier: CC0-1.0 */
#include "IsisIlluminator.h"
 
#include "SpicePosition.h"
 
using namespace std;
 
namespace Isis {
  IsisIlluminator::IsisIlluminator (SpicePosition* pos) {
    m_pos = pos;
  }
 

  SensorUtilities::Vec IsisIlluminator::position(double time) {
    double oldTime = m_pos->EphemerisTime();
    bool timeChanged = oldTime != time;
    if (timeChanged) {
      m_pos->SetEphemerisTime(time);
    }
    vector<double> coord = m_pos->Coordinate();
    if (timeChanged) {
      m_pos->SetEphemerisTime(oldTime);
    }
    // ISIS uses Km, so convert to meters
    return {coord[0] * 1000.0, coord[1] * 1000.0, coord[2] * 1000.0};
  }
 

  SensorUtilities::Vec IsisIlluminator::velocity(double time) {
    double oldTime = m_pos->EphemerisTime();
    bool timeChanged = oldTime != time;
    if (timeChanged) {
      m_pos->SetEphemerisTime(time);
    }
    vector<double> vel = m_pos->Velocity();
    if (timeChanged) {
      m_pos->SetEphemerisTime(oldTime);
    }
    // ISIS uses Km, so convert to meters
    return {vel[0] * 1000.0, vel[1] * 1000.0, vel[2] * 1000.0};
  }
}