CameraSkyMap.cpp

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#include "CameraSkyMap.h"
#include "NaifStatus.h"

namespace Isis {
  CameraSkyMap::CameraSkyMap(Camera *parent) {
    p_camera = parent;
    p_camera->SetSkyMap(this);
  }

  bool CameraSkyMap::SetFocalPlane(const double ux, const double uy,
                                   double uz) {
    NaifStatus::CheckErrors();

    SpiceDouble lookC[3];
    lookC[0] = ux;
    lookC[1] = uy;
    lookC[2] = uz;

    SpiceDouble unitLookC[3];
    vhat_c(lookC, unitLookC);
    p_camera->SetLookDirection(unitLookC);

    NaifStatus::CheckErrors();

    return true;
  }

  bool CameraSkyMap::SetSky(const double ra, const double dec) {
    p_camera->Sensor::SetRightAscensionDeclination(ra, dec);
    double lookC[3];
    p_camera->Sensor::LookDirection(lookC);
    double scale = p_camera->FocalLength() / lookC[2];
    p_focalPlaneX = lookC[0] * scale;
    p_focalPlaneY = lookC[1] * scale;
    return true;
  }
}