CameraSkyMap.cpp

 
/* SPDX-License-Identifier: CC0-1.0 */
 
#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;
  }
}